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The rules should oblige the seller to give the purchaser an operating instrucion of IBM Input Scanner RS-232, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of IBM Input Scanner RS-232 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of IBM Input Scanner RS-232. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of IBM Input Scanner RS-232 should contain:
- informations concerning technical data of IBM Input Scanner RS-232
- name of the manufacturer and a year of construction of the IBM Input Scanner RS-232 item
- rules of operation, control and maintenance of the IBM Input Scanner RS-232 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of IBM Input Scanner RS-232 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of IBM Input Scanner RS-232, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the IBM service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of IBM Input Scanner RS-232.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the IBM Input Scanner RS-232 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Copyright © 1 996, 1 99 7 , 1 998, 1 999, 2000, National Contr ol Devices 8SC RS-2 3 2 Input Scanner Users Guide Re vision 1 .0 B y R y a n S h e l d o n[...]
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Page 2
Disclaimer: NCD will not be responsible for any personal injury or damage to computers or other electronic devices caused in conjunction with the use of NCD products. The user assumes full responsibility of any and all damage that may result in combination with NCD products, services, and literature. NCD takes EVER Y known precaution to ensure docu[...]
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Page 3
Helpful hint. Could cause problems later under normal operation. Fatal mistake. The X tells about common assem- bly and operation errors as well as other things to watch out for . The check is a guide to help the user with assembly and operation. Use them to prevent mistakes. Interfacing to the Serial Port of Y our Computer The NCD-8SC requires the[...]
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Page 4
Input 1 Input 2 Input 3 Input 4 Input 5 Input 6 Input 7 Input 8 Ground When resistor network RN2 is installed, all inputs are pulled high (on) and can be turned off by connecting a wire to the ground line. J1-J4 - Address Select. These jumpers de- fine the device number of the 8SC, allow- ing 16 devices to coexist on a single serial line. See "[...]
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Page 5
J6 Inputs D0-D7 are pulled up via RN2 4.7K resistor network. Data Inputs RS-232 Ground RS-232 Input Open Collector RS-232 Output J4 J3 J2 J1 +5 J5 CR 1 2 3 CR1 RN1 RN1 +5 V+ + 5 78L05 V+ C1 C1 D0 D1 D2 D3 D4 D5 A B C G W Y D6 D7 74LS251 4 3 2 1 15 14 11 10 9 7 6 5 13 12 U4 U1 U2 R2 R3 D1 Q1 R4 R5 +5 +5 R1 Q2 Q1 Q0 DatIn STROBE ASCII-OUT AD0 AD1 AD2[...]
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Page 6
The NCD-1 10C Interface Processor and How It W orks: The NCD-110C is a PIC-based computer that has been programmed to listen to incoming data on the serial port and to respond ONL Y if its name is called. T o understand how it works, we will examine the processes of the 1 10C as they were written into the chip. The NCD-110C carefully listens to inc[...]
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Page 7
W e welcome suggestions and r ecommendations. Please tell us about an y err ors or omissions you may find in this manual. All recommen- dations become the pr operty of NCD Inc. The 8SC Input Scanner is pr operty of National Contr ol Devices. Copyright © 1 996, 1 99 7 , 1 998, 1 999, 2000, All Rights Reser v ed. Amiga is a r egistered tr ademark of[...]