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Epson Y16499100301 manuale d’uso - BKManuals

Epson Y16499100301 manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Epson Y16499100301. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Epson Y16499100301 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Epson Y16499100301 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Epson Y16499100301 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Epson Y16499100301
- nome del fabbricante e anno di fabbricazione Epson Y16499100301
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Epson Y16499100301
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Epson Y16499100301 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Epson Y16499100301 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Epson in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Epson Y16499100301, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Epson Y16499100301, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Epson Y16499100301. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    EQUlTY™LT User’s Guide Y16499100301[...]

  • Pagina 2

    IMPORTANT SAFETY INSTRUCTIONS 1. Read all of these instructions and save them for later reference. 2. Follow all warnings and instructions marked on the product. 3. Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. 4. Do not use this product near water. 5. Do not[...]

  • Pagina 3

    10. If an extension cord is used with this product, make sure that the total of the ampere ratings on the products plugged into the extension cord do not exceed the extension cord ampere rating. Also, make sure that the total of all products plugged into the wall outlet does not exceed 15 amperes. 11. Never push objects of any kind into this produc[...]

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    EPSON ® Equity™ LT User’s Guide[...]

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    IMPORTANT NOTICE DISCLAIMER OF WARRANTY Seiko Epson Corporation makes no representations or warranties, either express or implied, by or with respect to anything in this manual, and shall not be liable for any implied warranties of merchantability and fitness for a particular purpose or for any indirect, special, or consequential damages. Some stat[...]

  • Pagina 6

    FCC COMPLIANCE STATEMENT FOR AMERICAN USERS This equipment generates and uses radio frequency energy and if not installed and used properly, that is, in strict accordance with the manufacturer’s instruc- tions, may cause interference to radio and television reception. It has been type tested and found to comply with the limits for a Class B compu[...]

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    User’s Guide[...]

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    Contents Introduction. ........................... 1 How to Use This Manual .................. 2 1 Setting Up Your System ...................... 1-1 1 Unpacking. ................................. 1-1 2 Connecting the Screen ....................... 1-2 3 Connecting the AC Adapter. ................. 1-5 4 Charging the Battery. .......................[...]

  • Pagina 9

    3 Using the Equity LT ......................... 3-1 Using the AC Adapter .......................... 3-1 Using the Battery ............................... 3-1 LED Indicators ................................. 3-3 Opening and Closing the Screen. ................. 3-4 Using the Handle ............................... 3-5 Selecting Execution Speed. .....[...]

  • Pagina 10

    Creating and Using Subdirectories ................ 4-14 Creating subdirectories ....................... 4-15 Changing directories ......................... 4-16 Using pathnames ............................ 4-17 Copying from one subdirectory to another ..... 4-18 Starting an Application Program. ................. 4-18 MS-DOS Commands and the Equity [...]

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    D Performing System Diagnostics ............... Starting System Diagnostics ...................... Selecting a Test. ................................ Resuming From an Error ........................ System Board Check ............................ Memory Check ................................. Keyboard Check ................................ Video Ada[...]

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    E Equity LT Specifications ..................... CPU and Memory .............................. Controllers ..................................... Interfaces ...................................... Power Supply. .................................. Mass Storage ................................... Keyboard ...................................... Environme[...]

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    Introduction Your Epson® Equity™ LT portable computer is a compact high-performance system you can use just about anywhere: at the office, at home, or on the road. Its rechargeable battery lets you use it in remote locations when you don’t have access to an electrical outlet. With the AC adapter connected, you can use the computer as long as y[...]

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    The Equity LT comes with the MS-DOS operating system and the GW-BASIC programming language. If you have used MS-DOS before on another computer, you’ll find that it works the same on the Equity LT. The main commands are explained in this manual and full information, including descriptions of the special utility programs added by Epson, is in your [...]

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    Appendix C provides information on the power-on diagnostics in case your computer has trouble powering up. Appendix D outlines the system diagnostic checks you can perform on your computer. If you are having trouble with any part of the hardware, you may want to run some or all of these diagnostic checks. Appendix E presents the Equity LT hardware [...]

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    Chapter 1 Setting Up Your System Setting up your Epson Equity LT portable computer is easy. Just follow the steps in this chapter. They describe how to set up your computer, copy the system diskettes that come with your Equity LT, and run the initial Setup program on your reference diskette. You’ll find a quick reference guide to these steps on t[...]

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    Besides this manual, you should have the following items: l The computer l AC adapter and power cord l An MS-DOS operating system diskette (version 3.20), which also contains the GW-BASIC programming language l A reference diskette l An MS-DOS manual and a GW-BASIC manual. You should also have either the standard or backlit LCD screen or a color mo[...]

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    2. Use a flat blade screwdriver to lift off the plastic cover the front of each arm, as shown below. Set the covers aside. on 3. There is a plastic insert cap inside each of the arms; lift it out as shown below. You may want to keep these caps in case you need to store or ship your computer later. Setting Up Your System 1-3[...]

  • Pagina 19

    4. Pick up the screen with both hands and insert it into the arms of the computer. 5. When the screen is securely seated in both arms, replace the plastic covers on the front of the arms by snapping them back into place. These secure the screen to the computer. You can pull the screen forward or push it back to adjust the viewing angle. 1-4 Setting[...]

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    3 Connecting the AC Adapter Follow these steps to connect the AC adapter: 1. Insert the round end of the adapter cable into the jack marked AC ADAPTER on the back panel of the computer. 2. Connect one end of the power cord to the adapter’s input socket. Setting Up Your System 1-5[...]

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    3. Plug the other end of the power cord into a 120 volt electrical wall outlet. When the adapter is connected to both the computer and an electrical outlet, the AC power indicator light turns on. This light is a convenient way to verify that the AC adapter is providing power to the computer. Be sure to read ‘Using the Adapter” in Chapter 3 for [...]

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    Parallel interface The Equity LT parallel interface is Centronics-compatible and uses a DB-25S connector. Most Epson printers have parallel interfaces. To connect a printer to the computer, you need an IBM- compatible printer cable. If you are not sure which one you need, consult your Epson dealer. Once you have a printer cable, follow these steps [...]

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    4. Connect the other end of the cable to the printer as shown below. To secure the cable, squeeze the clips at each side of the printer connector and click them into place. 5. Plug the printer’s power cable into an electrical outlet. 6. Be sure to turn off DIP switch 1 on the back panel as described below under “Setting the DIP Switches” to l[...]

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    Serial interface If you have a printer or another peripheral with a serial interface, connect it to the serial (RS-232C) port at the back of the computer. The Equity LT uses a DB-9P connector, so be sure you have an IBM AT-compatible cable (or an adapting cable that converts the 9-pin output to the standard 25-pin output). To connect a serial devic[...]

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    Note If you plan to connect a color monitor or an external diskette drive to your computer, do it at this point. For instructions on connecting the monitor, see Appendix A, “Options and Maintenance.” For instructions on connecting an external drive, see the instructions that came with the drive you bought. If your computer already has two inter[...]

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    A DIP switch is either on (up) or off (down). To change a setting, use a hard, thin object, such as a small screwdriver. Keyboard DIP switches To access the DIP switches above the keyboard, you need to open the cover shown below. DIP switch cover I Press the raised tab back and lift up at the same time to expose the DIP switches. DIP switches I Set[...]

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    The system functions controlled by these switches are listed in Table l-l and then described below. Table 1-1. Keyboard DIP switch functions Switch 1, LCD reverse or normal- This switch tells your computer whether to display text on the screen in normal mode or reverse. In normal mode on the standard model LCD, characters are dark on a light backgr[...]

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    Back panel DIP switches The second set of DIP switches are on the left side of the back panel. The system functions controlled by these switches are listed in Table 1-2 and then described below. Table 1-2. Back panel DIP switch functions l7- - 1 I 2 I 3 I 4 Use external diskette drive ON 1 I Use parallel printer OFF I I I External diskette drive is[...]

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    Switch 2, external drive assignment-If you have connected an external diskette drive to the computer, this switch determines whether MS-DOS and your application programs access the drive as drive A or drive B. The external drive should be drive B, unless you are using a copy-protected application program that requires the diskette to be loaded in d[...]

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    l Never turn off your computer while a disk drive light is on. This can destroy data stored on disk or make a whole disk unusable. l Always wait at least five seconds after you turn the power off before you turn it on again. Turning the power off and on rapidly can damage the computer’s circuitry. l Do not leave a beverage near your computer or a[...]

  • Pagina 31

    The power indicator above the keyboard lights up, and after a few seconds, the computer begins to perform an internal self test. This is a diagnostics program the computer runs whenever you turn it on. The power-on diagnostics self test checks the RAM (random access memory), keyboard, system board, and peripherals before the computer begins normal [...]

  • Pagina 32

    If your screen is the backlit model, you can use the brightness switch to adjust the intensity of the backlighting. To make the backlighting brighter, move the switch up. To decrease the brightness, move the switch down. To preserve the life of the screen (and the computer’s battery), do not make the screen any brighter than you need to see the t[...]

  • Pagina 33

    2. Insert the diskette into the drive until it clicks into place. When the diskette is all the way in, the release button pops out. (For more instructions, see “Inserting and removing diskettes” in Chapter 3.) 3. Press any key. The computer automatically loads the operating system. The screen displays the system title and version number and the[...]

  • Pagina 34

    The screen displays the MS-DOS version number and copyright information, and then the MS-DOS command prompt: A> This means the operating system is ready for you to enter a command. The command prompt identifies the current operating drive: A, B, or C. It displays on the screen whenever you load MS-DOS, complete an MS-DOS command, or exit an appl[...]

  • Pagina 35

    3. Type: DISKCOPY A: B: and press Enter. The screen displays these prompts: Insert SOURCE diskette in drive A: Insert TARGET diskette in drive B: Press any key when ready . . . 4. Drive A already contains the diskette you want to copy (the source) and drive B contains the blank diskette (the target), so just press any key. If the diskette in drive [...]

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    Insert SOURCE diskette in drive A: Press any key when ready . . . 3. Drive A already contains the diskette you want to copy (the source), so just press any key. The DISKCOPY program copies the contents of the diskette to the computer’s memory. Note Because the 720KB MS-DOS diskette holds more data than can fit in the computer’s 640KB of memory,[...]

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    6. Remove the MS-DOS system diskette from drive A and insert the copy diskette in the drive. Then press any key. The program copies the remaining files from the computer’s memory to the copy diskette. When the copy is complete, you see this prompt: Copy another diskette (Y/N)? 7. Press Y so you can make a copy of the reference diskette. Follow th[...]

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    and press Enter. The Setup menu displays on the screen: Exit Real-time clock Backlight period Primary serial port Secondary serial port 1 select function, Enter exit program Setting the real-time clock Your computer automatically keeps track of the time and date using a real-time clock. Because the clock is backed up by a separate battery, it keeps[...]

  • Pagina 39

    Enter the time in the exact form shown in the box, using two digits for each part; the program automatically inserts the colons (:). For example, to set the time for 3:15 pm, enter the following: 151500 When the time is correct, press Enter. If you enter an invalid time (a number greater than 23 for the hours or 59 for the minutes or seconds), the [...]

  • Pagina 40

    of time. The default time period is two minutes. You can change it to a time between one-half minute to five minutes, in half-minute increments. If you do not want the backlighting to be turned off at all, select no time limit so it remains on unless you turn off the computer. After the backlighting goes off, it remains off until you press any key [...]

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    If you are using only the built-in serial port, you need to be concerned only with the primary serial port-and only then if you want to change the default parameters for communication. For example, if you have a serial printer attached to the built-in serial port, you can use the Primary serial port option to match the computer’s parameters to th[...]

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    The cursor block is on the Baud rate option. To change the speed of communication, press Enter. The screen displays the following: 110 bps 150 bps 300 bps 600 bps 1200 bps 2400 bps 4800 bps 9600 bps 19200 bps 38400 bps Use 1 and t to move the cursor block to the desired communication speed and press Enter. To set the type of parity check, press 1 t[...]

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    Leaving the Setup program When you finish using the Setup program, press t until the cursor block is on Exit and press Enter. The screen displays a list of the current settings you just made. Check the list to make sure all the information is correct. Below the list you see this menu: Change settings Exit without saving * * EXIT AND SAVE * * If any[...]

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    Chapter 2 Preparing a Hard Disk for Use If you have the hard disk model Equity LT, follow the instructions in this chapter to prepare it before using it for the first time. WARNING Do not perform any of these procedures if your hard disk has already been prepared for use or has data stored on it; otherwise, you will erase all the data on the hard d[...]

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    Then you can use the COPY command to copy files from the reference diskette to the hard disk. All of these procedures are described in this chapter. Note If you plan to use an operating system other than MS-DOS, you need to use that operating system to partition the hard disk and copy the system files to it. In the following procedures you will be [...]

  • Pagina 46

    6. Press Y to use the entire hard disk for MS-DOS and press Enter. The screen displays the following message and prompt: System will now restart Insert DOS diskette in drive A: Press any key when ready . . . 7. Press any key to restart the system (the MS-DOS diskette is already in drive A). Your computer begins reloading MS-DOS. After the prelimina[...]

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    Note 001 and US are the country code and keyboard code, respectively, for the United States. If you want to substitute other codes, see your MS-DOS manual. The screen displays this message and prompt: SELECT is used to install DOS the first time. SELECT erases everything on the specified target and then installs DOS. Do you want to continue (Y/N)? [...]

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    When all the files are copied, the A> prompt redisplays. The SELECT procedure is complete. Note The SELECT procedure described above copies all the files from your system diskette to the root directory of drive C. You may, however, want to store these files in separate subdirectories so they are easier to find. For information on subdirectories,[...]

  • Pagina 49

    Turn off the computer, wait at least five seconds, and then turn it back on. After the computer completes the power-on self test, the screen displays the date prompt. Press Enter twice to accept the date and time shown. The C> prompt displays, indicating that the system has successfully loaded from your hard disk. From now on, each time you turn[...]

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    Chapter 3 Using the Equity LT This chapter covers some basic procedures for using your Equity LT computer. Using the AC Adapter The Equity LT can be powered by either its internal battery pack or the AC adapter. When you connect the AC adapter to the computer and to an electrical outlet, the power to the computer is supplied by the outlet. Use the [...]

  • Pagina 51

    You need to recharge the battery at these times: l Before you use the computer for the first time l If the battery has not been used for a long time l If the low battery indicator light starts flashing (see “LED Indicators” below). After the low battery light starts to flash, you have a maximum of 15 minutes before the power is completely gone.[...]

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    LED Indicators Above the keyboard on the right side are seven LED (light emitting diode) indicators that provide information about the computer’s operation. The POWER LED is on whenever the computer is on. The color of the light indicates the current execution speed. (See “Selecting Execution Speed” below.) The LOW BAT LED flashes when the ba[...]

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    Opening and Closing the Screen When you are not using the computer or you want to move it, turn it off and then close the screen, as shown below, so it locks into the bottom part of the computer. When you want to open the screen, slide the latch release button on either side (shown below) toward you. Then lift the screen back. 3-4 Using the Equity [...]

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    Using the Handle The Equity LT has a convenient carrying handle. To use the handle, pull it out from the bottom of the computer as shown below. Be sure the screen is closed whenever you carry the computer by its handle. Selecting Execution Speed The Equity LT can operate at two execution speeds: 4.77 MHz or 10 MHz. At the higher speed, the computer[...]

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    When the computer is running at 4.77 MHz, the power LED is orange. At 10 MHz, the light is green. Resetting the Computer You can reset the computer to reload the operating system or to restart a program. You may also need to reset if an error occurs and the computer does not respond to anything you type. Resetting, however, erases any data in the c[...]

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    3. Turn off any peripheral devices and then turn off the Equity LT. Wait five seconds and then switch the power back on. Caring for the Backlit Screen If you have the backlit model of the LCD screen, you need to be aware of a few things. The electroluminescent element in the screen that provides the backlighting draws more power from the battery th[...]

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    Table 3-1. Special keys Key n- -n Caps Lock Shift Ctrl Alt 4- Enter Ins Del Home, End, ‘;“Uk Pgpn, + Num Lock Esc F1 - F10 Prtsc Sys Req Scroll Lock Break Purpose Moves the cursor one tab to the right in normal mode and one tab to the left in Shift mode. Changes the letter keys from lower- to uppercase; changes back to lowercase when pressed ag[...]

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    The Equity LT Character Set The Equity LT uses an extended character set that assigns graphics and international characters to some ASCII codes. In some cases, if you try to print these characters on a standard printer, you get italic characters instead. Most Epson printers support this character set used by IBM and compatible computers (the charac[...]

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    stores the data you enter as magnetic patterns on these circular tracks. A small read/write head in the disk drive interprets the magnetic patterns. When a diskette is in a drive, the metal plate above the access area moves aside to expose the diskette surface to the read/write head. The read/write head accesses this part of the diskette when you s[...]

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    You need to format new diskettes before you can use them with an operating system. Formatting erases all the data on a diskette and prepares it to receive new data, so be sure to format only new blank diskettes or diskettes that contain data you want to erase. See Chapter 4 or your MS-DOS manual for instructions on how to format diskettes. Caring f[...]

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    l Never wipe, brush, or try to clean diskettes in any way. l Store diskettes properly in their plastic cases. If your computer has a hard disk, take these additional precautions: l Never turn off the power to the computer or the hard disk when the hard disk drive light is on. This light indicates that the computer is currently copying data to or fr[...]

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    Slide the diskette into the drive until it clicks into place. To remove a diskette, press the release button to release the diskette. When it pops out of the drive, pull out the diskette and store it properly, such as in a special diskette container. WARNING Never remove a diskette or turn off the computer while the drive indicator light is on. You[...]

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    The write-protect device is a small switch on the lower-right corner on the back, shown in the figure below. To write- protect the diskette, slide the switch down toward the edge of the diskette so there is a hole where the switch used to be. write-protect switch To remove the write-protection, move the switch up toward the center of the diskette s[...]

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    Turning Off the Computer Before you turn off your computer, save your data, exit the program you are using, and then remove all diskettes from the disk drives. Turn off any peripherals (such as a printer, a monitor, or an external diskette drive), and then turn off the computer. If you have the hard disk system, do not turn off the hard disk. Using[...]

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    Chapter 4 Using MS-DOS With the Equity LT Your Equity LT comes with version 3.2 of MS-DOS, the disk operating system by Microsoft? In this chapter, you’ll learn some of the basic procedures for using MS-DOS with your computer. MS-DOS manages the routine work of your system, such as keeping the computer’s memory organized, controlling screen dis[...]

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    l Enter an MS-DOS command l Store data l Change the default drive l Format a diskette for storing data l Copy an entire diskette or selected files l List the contents of a diskette l Create and use subdirectories l Start an application program. Starting and Exiting MS-DOS Remember, before you can run an MS-DOS application program, MS-DOS itself mus[...]

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    Now you see the MS-DOS command prompt, which tells you that MS-DOS is loaded and indicates the current drive followed by a greater-than symbol: A> If MS-DOS loads from the hard disk, the screen displays: c> This prompt tells you that you can now enter commands to instruct MS-DOS to perform tasks and run application programs. Before you turn o[...]

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    If you press Enter when a command line has an error in it, you see this message: Bad command or file name Then MS-DOS re-displays the command prompt so you can try again. Just type the correct command line and press Enter. Storing Data All your work and programs are stored in files on your diskettes or hard disk. Each file must have a unique filena[...]

  • Pagina 69

    as its name, size, location, and the date and time you last updated the file. If you do not create any other directories on your diskette, you will always be working in the root directory. This is often the case when using a diskette rather than a hard disk. The root directory is the main directory on a disk and is identified by a backslash (). Th[...]

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    Formatting Diskettes Before you can store data on a new diskette, the diskette must be formatted. Formatting prepares the diskette so MS-DOS can write to it. You need to do this only once, before you use the diskette for the first time. You can also reformat previously used diskettes. Reformatting, however, erases all data on that diskette. Always [...]

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    4. When the diskette is completely formatted, you see messages such as these (for a 720KB diskette): Format complete 730112 bytes total disk space 730112 bytes available on disk Format another (Y/N)? At this point, you can either press Y and Enter to format another diskette, or press N and Enter to return to the MS-DOS system prompt. Formatting wit[...]

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    Copying Data It’s very important to have backup copies of the files you create on your diskettes or hard disk. You can copy data and program files several ways: you can back up an entire diskette using the DISKCOPY command, or you can back up individual files using the COPY command. Epson also provides a disk utility program called DU that you ca[...]

  • Pagina 73

    and press Enter. MS-DOS prompts you to insert your diskettes: Insert SOURCE diskette in drive A: Insert TARGET diskette in drive B: Press any key when ready . . 4. Insert the diskette you want to copy from in drive A and the diskette you want to copy to in drive B. Then press any key. DISKCOPY checks to see if the target diskette is formatted. If i[...]

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    MS-DOS displays these messages: Insert SOURCE diskette in drive A: Press any key when ready . . . 4. If the MS-DOS diskette is in drive A, remove it. Then insert the diskette you want to copy from in the drive and press any key. DISKCOPY copies the contents of the diskette to the computer’s memory. The screen displays these messages while copying[...]

  • Pagina 75

    6. When the copy is completed, you see this message: Copy another diskette (Y/N)? Your diskette has now been copied and you can either make another copy or leave the DISKCOPY command. Press Y to perform another copy or N to end the DISKCOPY command. Copying with one 5 f -inch diskette drive Follow the steps below to make a copy of a 360KB diskette [...]

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    5. Remove the diskette from drive B and insert the blank diskette in the drive. DISKCOPY checks to see if the new diskette is formatted. If it is not, DISKCOPY formats the diskette. You see the message: Formatting while copying The copy operation begins when the format is complete. You see these messages: Copying 40 tracks 9 Sectors/Track, 2 Side(s[...]

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    l If an existing file on the target diskette has the same name as the file you are copying from the source diskette, the copy replaces the file on the target diskette. Because there is no warning that the file on the target diskette is being replaced, be very careful that you do not accidentally erase a file you want to keep. l The target diskette [...]

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    Listing the Contents of a Diskette You will often want to see which files are stored on your diskettes or hard disk. For example, before you format a used diskette and erase its contents, always check the contents of the diskette to be sure you will not erase any valuable files. The DIR command lists the names of all files in the selected directory[...]

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    l Copying from one subdirectory to another. Each subdirectory has a name, and any file in any subdirectory can be identified and accessed using a pathname. The root directory is always designated by a backslash (). The name of the subdirectory can have up to eight characters, using letters or numbers or both, but not punctuation marks. To see how [...]

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    Press F6. Then type the following and press Enter at the end of each line: COPY CON: MEMOS MEMO1 This is the first memo. Press F6. Now you have one file in each of the subdirectories. (The COPY command with CON: copies what you enter from the keyboard to a file.) To display the names of these new subdirectories in the root directory, type DIR a[...]

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    Type DIR and press Enter to show that you are now in the LETTERS subdirectory. You should see the following: <DIR> LETTER1 <DIR> Now you can use the LETTER1 file. For example, to display the contents of the file on the screen, type the following and press Enter: TYPE LETTER1 You should see the following: This is the first letter. Now ty[...]

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    subdirectories just as you have to specify the drive or log onto a different drive to access files on different disks. Copying from one subdirectory to another You can also copy files from one subdirectory to another with the COPY command. Simply specify the pathname for the file you want to copy and for the subdirectory to which you want the copy [...]

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    MS-DOS Commands and the Equity LT Your MS-DOS manual describes all the commands on the MS-DOS diskette that you can use on the Equity LT. Three commands described in the manual are not on your MS-DOS diskette: HELP, ROMBIOS, and SYSTAT. These files are on your reference diskette. If you want to use them, be sure to insert the reference diskette in [...]

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    Appendix A Options and Maintenance This appendix describes how to connect a color monitor to the computer and how to replace the backlit screen element. It also explains how to turn off the hard disk if you are running the computer on its battery. Connecting a Color Monitor If you bought a color monitor to use with your Equity LT, follow the instru[...]

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    If the plug has retaining screws, tighten them with a screwdriver. 5. If necessary, plug the monitor’s power cable first into the power inlet on the monitor. (Some monitors come with permanently attached power cables.) Then plug the power cable into an electrical outlet. 6. Turn off DIP switch 4 above the keyboard to let the computer know you wil[...]

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    Set the switch tops aside in a safe place. 3. Use the screwdriver to remove the plastic cover on each of the arms that hold the screen, as shown below. 4. When the covers on both arms are off, pull the screen straight up, out of the arms. Options and Maintenance A-3[...]

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    5. Turn the screen over and lay it on a flat surface (such as a table) so you are looking at the back. Locate the small plastic screw cover on each side of the screen, near the bottom. As shown below, use a small screwdriver to lift out each of the covers. screw cover 6. Use a Phillips screwdriver to remove both screws and set them aside. 7. Holdin[...]

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    8. Carefully lift off the front cover of the screen as shown below and set it aside. 9. On either side of the screen is a screen latch mechanism (shown below). Lift out the one on right side and set it aside in a safe place. You can leave the one on the left side in place. Options and Maintenance A-5[...]

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    10. Also on the right side, near the top, is a connector that connects the power supply to the screen. Unplug it as shown below. nnector 11. Carefully lift up the power supply and set it next to the screen as shown below. It is connected by cables so you cannot remove it completely. Be careful not to strain any of the cables. A-6 Options and Mainte[...]

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    12. Grasp the tan-colored tab from which you unplugged the connector and carefully pull it out of the screen. This removes the electroluminescent element, as shown below. The element is flexible, so it is all right if you bend it slightly as you pull it out. 13. Slide the new element into the screen. 14. Replace the power supply you removed in step[...]

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    16. Replace the latch mechanism you removed in step 9. Be careful to seat it properly, as shown below. Also be sure the one on the left side is properly aligned. 17. When all the components are seated inside the screen, replace the front cover you removed in step 8. Be sure the cover fits correctly and the edges of the front and back meet squarely;[...]

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    Turning Off the Hard Disk To avoid drive access problems, it is best to leave the hard disk switch on at all times. However, if you are using the computer without the AC adapter, you may want to turn the hard disk off when you are not using it to conserve the charge of the computer’s battery. The hard disk drive uses more of the battery’s charg[...]

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    When you load MS-DOS f rom the hard disk, the operating system is copied to the computer’s memory; however, all the MS-DOS programs remain only on drive C and are not copied to memory. When you turn off the hard disk, the computer no longer has a drive C. This means that if you type a command such as DISKCOPY, the operating system will not be abl[...]

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    4. After you log on to drive A, you can turn off the hard disk. 5. Continue using the application program, working on drive A. 6. When you want to save your text on the hard disk, turn it on. Enter the command for saving the text on drive C. The hard disk may take up to 10 seconds to perform the operation because it needs to reinitialize itself. Op[...]

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    Appendix B Troubleshooting You should not encounter any serious difficulties as you set up and use your Equity LT. But if anything out of the ordinary happens, read this appendix. Usually, such a situation requires nothing more than adjusting a cable connection, repeating a software procedure, or resetting the computer. You can use the suggestions [...]

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    2. If the power light still does not come on, turn off the power switch. Check to see that the AC adapter is securely connected to both the computer and an electrical outlet. Then turn the power back on. 3. If the computer still does not start up, check the electrical outlet. Plug a portable lamp into the outlet you are using for the computer and t[...]

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    3. Remove any diskettes, then turn off the power switches on the monitor and the main unit. Check that the monitor’s power cable is securely connected to the monitor and to an electrical outlet, and that the monitor cable is properly connected to both the monitor and the main unit. Then turn both power switches back on. 4. Be sure DIP switch 4 ab[...]

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    1. Turn off the computer. 2. Connect the AC adapter to the computer and to an electrical outlet and let the battery charge for at least 12 hours. 3. Disconnect the AC adapter. 4. Turn on the computer, but do not insert a diskette and do not use the computer. Leave the computer in this condition for three hours. If the low battery (LOW BAT) indicato[...]

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    to see what files the diskette contains; it may contain information you do not want to change or lose. (Chapter 4 describes how to display a directory.) Although you should normally write-protect all program diskettes, some application programs store temporary files on the diskette. These programs do not work if you write-protect the diskette. Hard[...]

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    To operate properly, some programs require the computer to run at 4.77 MHz. Try changing the CPU speed with the switch above the keyboard. See “Selecting Execution Speed” in Chapter 3. Printer Problems Your printer manual describes methods to solve most printer problems. If your printer does not work correctly right after you install it, make s[...]

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    Appendix C Power-on Diagnostics The built-in memory (ROM) of your computer contains a series of diagnostics programs. These programs are run automatically by the system every time you turn on the power. The diagnostics programs check the internal devices such as ROM, RAM, keyboard controller, timer, video controller, and floppy disk driver. When yo[...]

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    If an I/O or checksum error occurs, you see this message: xxxx0 ROM error where xxxx is the number of the segment of the bad I/O ROM on an option card. Clock and CMOS RAM Check When the system device check is completed successfully, the computer checks the timer and CMOS RAM. If the information contained in the RAM does not match the actual system [...]

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    If there are faulty RAM chips in your system, you see this message: xxxx0 201 -Memory error Keyboard Controller and Keyboard Check The computer checks the keyboard controller and keyboard for problems such as failure of one of the keys to release. If there are any errors in the connection between the keyboard and the computer, this error message is[...]

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    Hard Disk Controller and Hard Disk Check The computer next checks the hard disk controller and drive unit. If a malfunction is found in the hard disk con- troller, you see one of these error messages: 1701-A 1701-B 1701-E If an error is found in the hard disk drive unit, one of these error messages is displayed: 1701-C 1701-D C-4 Power-on Diagnosti[...]

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    Appendix D Performing System Diagnostics This appendix describes how to check the operation of the main unit and peripheral devices of your Equity LT. You check these devices using the diagnostics program on your reference diskette. Run diagnostics if you are unsure whether a device is performing correctly. Table D-l at the end of this appendix lis[...]

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    After these items are checked, you see a list of the devices available for testing: DEVICE LIST 1 - System board 2 - Memory 3 - Keyboard 5 - Video adapter and display 6 - Floppy disk drives and controller 9 - Parallel port (printer interface) 11 - Serial port (RS-232C port) 14 - Dot-matrix printer 17 - Hard disk drive and controller 0 - Exit Enter [...]

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    To perform the test multiple times, press 2 and Enter. You see this prompt: Terminate checking if an error detected (Y/N)? Press Y and Enter to terminate checking if the device produces an error, or press N and Enter to repeat the tests regardless of an error. You see this prompt: How many times (1-9999): Type the number of times you wish to repeat[...]

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    The program continues after an error in one of the following ways: l It returns to the DEVICE LIST, or l If you are running multiple tests and are not terminating on an error, the program repeats the test that caused the error. The remainder of this appendix describes the tests you can run on the system’s internal devices and on the optional devi[...]

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    Note This option does not check expanded memory above the 640KB memory limit imposed by MS-DOS. For this check, the program writes specific data into memory and then reads it back. The data is written and read in blocks of 64KB. A parity check is also made on each block. A memory count is displayed after each block that is tested without an error. [...]

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    Type the number of your keyboard layout and press Enter. You can exit the keyboard test by pressing 0 and Enter. After you select a keyboard layout, the program displays the layout on the screen. Press each key on the keyboard to be sure the corresponding character is displayed on the screen. If the character displayed on the screen does not match [...]

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    You can select the individual checks from this menu: VIDEO ADAPTER AND DISPLAY CHECK MENU 1 - Video adapter check 2 - Attribute check 3 - Character set check 4 - 40-column character set check 5 - 320X200 graphics mode check 6 - 640X200 graphics mode check 7 - Screen paging check 8 - Color video check 9 - Sync check 10 - Run all above checks 0 - Exi[...]

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    Attribute check To check the display attributes of the video adapter, press 2 and Enter. Several messages are displayed showing examples of all the possible display attributes and colors. Check the information displayed on your screen and respond to the following prompt: Is the display correct (Y/N)? Press Y and then Enter if the display is correct[...]

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    If the characters displayed match the illustration, press Y and then Enter. If you find a problem with the characters on the screen, press N and Enter to display the error message. 40-column character set check To check your 40-column character set, press 4 and then Enter. The character fonts that are included in the internal character generator ar[...]

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    The same pattern is displayed again; this time the squares are cyan, white, and magenta, and the background is red. These colors are called Color Set 1. If these are also correct, press Y and then Enter to end the test. If any colors are displayed incorrectly, check the adjustment of your monitor and be sure that both ends of the cable are plugged [...]

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    Screen paging check To check the screen paging of your monitor, press 7 and Enter. The video RAM on the video adapter is divided into eight independent display pages. This test checks the eight pages by first filling all eight with a number corresponding to the page, and then displaying each page in turn. You see this pattern for screen 0: When you[...]

  • Pagina 116

    Color video check Option 8, Color video check, displays 16 different screens, each a different color, and a message indicating the color. The screens show the following colors in the order specified below: 1 - Black 2 - Blue 3 - Green 4 - Cyan 5 - Red 6 - Magenta 7 - Brown 8 - White 9 - Gray 10 - Light blue 11 - Light green 12 - Light cyan 13 - Lig[...]

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    Floppy Disk Drives and Controller Check Use this option to test the performance of the floppy disk (diskette) drives inside or connected to your computer. This test includes several checks that allow you to identify particular problems related to your diskette drives. To run these tests, you need a formatted diskette so the tests can write data on [...]

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    When the format is complete, you see these messages (for a 720KB diskette): Format complete 730112 bytes total disk space 730112 bytes available on disk Format another (Y/N)? You can format another diskette or return to the OPERATION MENU. Then press 3 and Enter to select System diagnostics. Starting the floppy disk drive check To run the floppy di[...]

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    When you finish running the floppy disk drive check, press 0 and Enter to return to the OPERATION MENU. Sequential seek check This test checks the ability of the read/write heads to locate any part of the diskette. This action by a read/write head is called a seek. During this test, each head seeks sequentially from the innermost track to the outer[...]

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    Use only a formatted blank diskette for this test. Any data present may be erased. If using drive A, remove your Reference Disk. Enter Y to start this check. Enter N to return to the menu. If you are using drive A, remove the reference diskette and insert the blank diskette you prepared in the drive; then press Y and Enter. The program displays the[...]

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    Run all above checks To run all the tests on the menu in sequence, press 5 and Enter. When you choose this option, all checks for the diskette drive(s) and controller are performed automatically in sequential order. Although you do not start each test, you must still supply the appropriate responses to progress from one test to the next. Parallel P[...]

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    insert a special loop-back connector into the RS-232C port so that the computer can check individual pins of the port. Contact your dealer if you need a loop-back connector. Note that a different connector is required to test the parallel port. When you select option 11 from the DEVICE LIST, you see these prompts: Attach loop-back connector to seri[...]

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    Once again, if any data received does nor march the data a verify error occurs, and the computer reports the transmitted and received data at the rime of the error. Alternate Serial Port Check If you have turned on DIP switch 4 on the back panel, select option 12 to test the serial communications (RS-232C) port. To perform the test you must insert [...]

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    The pattern looks like this: The text data includes all the characters commonly used by programs that require foreign languages or graphic characters. If your printer prints different characters than you see in the illustration, you may need to take care with certain software. The dot graphics data is sent to the printer using a command (ESC K) com[...]

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    If you specified to run the hard disk drive check multiple times, this menu does not display and only the first three tests are performed. Seek check This test checks the ability of the read/write heads to locate any part of the hard disk. This action by a read/write head is called a seek. During this test, each head seeks each cylinder of the disk[...]

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    You do not see a cylinder count during the test. If no errors occur, the program returns to the menu. If an error is reported, consult your dealer. Error detection and correction check This test checks the ability of the hard disk drive to detect a read/write error and to correct the data accordingly. Note This test destroys some data on the innerm[...]

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    The cylinder number counts down to 0. At the end of the test, you see a table of the results of the test. For example, for a 20MB hard disk with three bad tracks, you see the following: BAD TRACKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 READ ERROR TRACKS.. . . . . . . . . . . . . . . . . . . . . . .[...]

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    Error Codes and Messages Table D-1 lists all the error codes and messages that may appear during diagnostic checks. Table D-1. Error codes and messages Error code Message System board 101 V30 CPU ERROR 103 8254 TIMER COUNTER REGISTER ERROR 104 8254 TIMER COUNTER ERROR 105 8237 DMA CONTROLLER REGISTER ERROR 105 8237 DMA REFRESH ERROR 108 8048 SELF D[...]

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    Error code Message Alternate serial port 1201 ERROR DTR DSR, DSR ALWAYS HIGH/LOW 1201 ERROR RTS CTS, CTS ALWAYS HIGH/LOW 1202 TIME OUT ERROR 1203 VERIFY ERROR Dot-matrix printer 1401 status: error-type Hard disk drive and controller 1701-A hard disk controller error (RAM) 1701-B hard disk controller error (interrupt) 1701-C drive not ready 1701-D t[...]

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    Appendix E Equity LT Specifications CPU and Memory 16-bit CPU Main memory ROM pPD70116 V30 microprocessor; 4.77 or 10 MHz clockrate, switch-selectable 20-bit address and 16-bit data bus 640KB RAM (with parity) on main board 16KB Controllers Floppy disk Supports up to two drives; two 3 +-inch drives or one 3 r-inch drive and one external 5 t -inch d[...]

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    Clock/calendar/ RAM Real-time clock, calendar, and 50-byte CMOS RAM for configuration; battery backup Power Supply Internal, rechargeable NiCad battery pack; 5 to 7 hours usage AC adapter; 15 volts Mass Storage Three drives maximum: two internal 3 t -inch diskette drives or one internal 3 t -inch diskette drive plus one 20MB hard disk drive; hard d[...]

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    Physical Characteristics Depth Width Height Weight 12.2” (310 mm) 13.6” (345 mm) 3.2” (79 mm) Dual diskette drive system: 12.6 lb (5.72 kg) with standard LCD 13.1 lb (5.94 kg) with backlit LCD Hard disk drive system: 13.7 lb (6.22 kg) with standard LCD 14.2 lb (6.44 kg) with backlit LCD Power Requirements 100/120 VAC, 200/240 VAC, 50/60 Hz Ni[...]

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    Appendix F Glossary Application program A software program designed to perform a specific task, such as a word processing or spreadsheet program. ASCII American Standard Code for Information Interchange. A standardized coding system for representing characters, such as numbers, letters, and graphic symbols. An ASCII character occupies one byte of s[...]

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    Byte A sequence or group of eight bits that represents one character. Character Anything that can print in a single space on the page or the screen. Includes numbers, letters, punctuation marks, and graphic symbols. CMOS Complementary Metal-Oxide Semiconductor. A method for making silicon chips. Code A system of symbols for representing data or ins[...]

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    Data Information stored or processed by a computer. Data diskette A formatted diskette used to store files. Data length The number of bits per character in serial communications. Default Values or settings that take effect when the computer is turned on or reset. A default value stays in effect unless you override it temporarily by changing a setti[...]

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    Disk drive The physical device that allows the computer to read from and write to a disk. A diskette drive has a disk slot into which you insert a diskette. A hard disk is permanently fixed inside the main unit. Diskette A flat piece of flexible plastic coated with magnetic material and used to store data permanently. Also called floppy disk. DOS T[...]

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    GW-BASIC Microsoft’s extended version of the Beginner’s All-purpose Symbolic Instruction Code. A programming language designed to be easy to use and understand. Hard disk The enclosed unit used to store data permanently. Unlike a diskette, it is fixed in place. It can process data more rapidly and store many more files than a diskette. Hardware[...]

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    Megabyte (MB) A unit used to measure storage space (in a computer’s memory or on a disk). One megabyte equals 1,048,576 bytes. Memory The area where your computer stores data. Memory contents can be permanent and inalterable (ROM) or temporary (RAM). Microprocessor A small version of a CPU contained on one semiconductor chip. Modem A device that [...]

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    Parity Data signals sent during communications to detect errors in transmitting or receiving data. Partition To divide a hard disk drive into separate sections for use by different operating systems. Peripheral A device (such as a printer or a modem) connected to a computer that depends on the computer for its operation. Port A physical input/outpu[...]

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    Reset To reload a computer’s operating system so you can retry a task or begin using a different operating system. Resetting clears RAM. ROM Read Only Memory. A portion of memory that can only be read and cannot be used for temporary storage. ROM retains its contents even when you turn off the power. Root directory The top level directory in MS-D[...]

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    Subdirectory A directory or group of files that branches down from another subdirectory or from the root directory. Switch An option added to an MS-DOS command that redirects the way the command works. Switches must be preceded by a / (forward slash). For example, if you add the /S switch to a FORMAT command, MS-DOS installs the operating system on[...]

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    Index A AC adapter, connecting, 1-5-6, 3-2 power cord, 1-2, 1-5 using, 1, 3-1 -2, 3-12 AC power indicator, 1-6 Alternate serial port check, D-19 Application program, 1-14, 3-6, 4-18 ASCII codes, 3-9 Asynchronous, E-1 Attribute check, D-8 Auto-boot, MS-DOS, 2-5-6 AUTOEXEC.BAT command, 4-18 B Backlighting, turning off, 1-22, 1-24-27, 3-7 Backlight pe[...]

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    Copying, disks, 1-19-22, 3-10, 3-13, 4-8-12 reference files, 2-5 system files, 2-4 Country code, 2-4 CPU, E-l CPU chip, D-4 CPU speed, selecting, 3-5 CPU SPEED switch, 3-5, B-6 Creating MS-DOS partition, 2-2-3 Creating subdirectories, 4-14 -16 CRT interface, E-1 Ctrl Alt Del, 3-6 Ctrl C, 3-6 D Data diskette, copying, 3-13, 4-8-12 DATE command, 1-23[...]

  • Pagina 144

    Extended character set, 3-9 Extension, file, 4-4 External diskette drive, 1, 1-8, 1-10, 1-14, 2-5 F FDISK program, 2-1-2 File extension, 4-4 Filename, 4-4 Floppy disk drive and controller check, D-13 -17 drive check, C-3 random seek check, D-15 sequential seek check, D-15 speed check, D-16 write, read check, D-15 -16 Formatting diskette, 3-11, 4-6-[...]

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    Low battery, 3-2, B-3 -4 LOW BAT indicator, 3-2-3, B-4 M Magnetic surface, disks, 3-9 Main memory, 1, 1-21, E-1 Mass storage, 3-3, E-2 Mass storage LED, 3-3 Memory, 1, 1-21, E-1 See also RAM Memory check, D-4 -5 Messages, D-24 -25 Microprocessor, E-l MODE command, 1-9, 4-19 Modem, 1, 1-14, E-3 Monitor, cable, A-l color, 1, 1-10, A-1 -2 connecting, [...]

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    R RAM (random access memory), 1, 1-17, C-1, E-1 RAM checks, C-2 Random seek check, D-15 Read-only memory (ROM), C-l, E-l Read, verify, D-22 Read/write heads, 3-10 Real-time clock, 1-22 -24 Recharging battery, 1, 3-1 -2 Reference diskette, 1-2, 2-5 Reference files, copying, 2-5 Registration card, 1-2 Release button, 1-18, 3-13 Removing diskette, 3-1[...]

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    U Unpacking, 1-1 -2 Using AC adapter, 3-1 -2, 3-12 Using battery, 3-1 -2 Using Equity LT, 3-1 Using handle, 1-1 -2 V Video adapter, display check, adapter check, D-7 attribute check, D-8 character set checks, D-8 -9 color video check, D-12 graphics mode checks, D-9 -10 screen paging check, D-11 sync check, D-12 W Working copies, 1-19 Write-protecti[...]

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    10 Steps to Setting Up the Equity LT 1 Unpacking 7 Connecting the Screen 4 Charging the Battery 5 Connecting a Printer 6 Setting the DIP Switches 7 Turning On 8 Loading MS-DOS the Computer 9 Copying System 10 Running Setup Diskettes Exit Real-time clock DISKCOPY A: B: Backlight period Primary serial port Secondary serial port 06-4.5[...]

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    [...]

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    Reader Comment Card MS-DOS 3.3 Reference Manual Please use this card to evaluate this manual. Your comments and suggestions will help us improve our publications. Please rate the following. Excellent Good Fair Poor H Organization of this manual 0 q 0 cl W Technical accuracy q q 0 0 n Completeness of instructions 0 0 0 0 n Clarity of concepts and wo[...]

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    EPSON America, Inc. 2780 Lomita Blvd. Torrance CA 90505 . . q r PLACE : r STAMP - HERE : y . L1 . . bl . . bd . . I . . Y . . . . . . . . . rl . . . . . . 4 . . .[...]