IBM AC453A инструкция обслуживания

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2 COMPUTER TOP TV-III FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipment generates, uses, and can radiate radio frequency energy and if not installed an used properly, that is, in strict accordance with the manufacturer's instructions, may cause interference to radio communication. It has been tested and fo[...]

3 Contents 1. SPECIFICATIONS ...............................................................................................4 2. INTRODUCTION ...............................................................................................5 3. INSTALLATION ...............................................................................................[...]

4 COMPUTER TOP TV-III System Bus — IBM AT or compatible 286/386/486, 8 or 16-bit slot System Requirements — DOS 3.1 or higher, Microsoft Windows 3.1 Monitor — VGA Amplifier Power — 4 watts (2 watts/channel max.) TV Channels — 122 channels covering broadcast and cable VHF and UHF channels. Video Inputs — NTSC composite Stereo Speakers ?[...]

5 CHAPTER 2: Introduction The Computertop TV-III card is a full-motion video display card with a television tuner and audio- processing circuitry. It allows a live video window from cable or broadcast television to be merged with VGA graphics on a single display monitor. An external image source from a video cassette recorder (VCR), laser disk play[...]

6 COMPUTER TOP TV-III Use the hardware installation guide that came with your system to find specifics related to your PC. W ARNING Static discharge can damage sensitive electronic com- ponents on your Com- putertop TV-III card and in your PC. When accessing PC cards, use anti-static tech- niques: Avoid wearing synthetic fibers and scuffing on the [...]

7 9. Plugthe terminating “dummy plug” into the external connector of the VGA card to which the monitor cable was previously attached. 10. Attach the supplied mini-DIN cable to the Computertop TV-III board. The yellow jack is for composite video input. The red jack is for left-channel audio input. The white jack is for right-channel audio input.[...]

8 COMPUTER TOP TV-III 2. Setup and installation of the Computertop TV-III software must be done at the DOS command level. Before attempting to install the Computertop TV-III software, you must exit Microsoft Windows. Do not exit Microsoft Windows by using the DOS icon. 3. Insert the Computertop TV-III setup disk in drive A:. 4. Type A:<CR> . [...]

9 CHAPTER 4: Operation This chapter describes the menu items supported by Computertop TV-III Board. 4.1 Find/Hide Remote Find/Hide Remote hides or redisplays the remote control window. 4.2 Clear Clear clears the whole video buffer to black. 4.3 Show Always Show Always can be set to on or off. If ON , the TV window is always displayed on top of othe[...]

10 COMPUTER TOP TV-III 4.4.2 C ONTRAST Changes in the contrast are reflected with a row of vertical bars at the bottom left corner of the TV screen. The word Contrast is displayed above the row of bars. The contrast can be adjusted three ways: a. Use the contrast button on the remote. Pressing the top of the button increases the contrast and pressi[...]

11 4.4.5 R ED L EVEL Changes in the red level of the video are reflected with a row of vertical bars at the bottom left corner of the TV screen. The word Red is displayed above the row of bars. The red level can be adjusted two ways: a. Use the Red button on the remote. Pressing the top of the button increases the red level and pressing the bottom [...]

12 COMPUTER TOP TV-III 4.5 Broadcast Broadcast gives you the following options: a. USA Broadcast b. USA Cable c. Japan These are the only standards that can be handled with an NTSC tuner. 4.6 Audio This brings up the Audio dialog box to control the following audio settings: a. Volume b. Mute c. Bass d. Treble e. Balance 4.6.1 V OLUME Changes in the[...]

13 4.6.3 B ASS Changes in the bass level of the audio are reflected with a row of vertical bars at the bottom left corner of the TV screen. The word Bass is displayed above the row of bars. The bass level can be adjusted three ways: a. Use the Bass button on the remote. Pressing the top of the button increases the bass and pressing the bottom decre[...]

14 COMPUTER TOP TV-III 4.8 Video Align This brings up a Video Align dialog box that lets you reposition the video window to match the VGA display screen. These adjustments should be performed using the “Screen “ TV style (set the style using TV Style in the Configure menu). 4.8.1 P ALETTE S KEW A DJUST This control adjusts the RAMDAC delay timi[...]

15 4.8.3 V IDEO P OSITION A DJUSTMENTS First set Video Position Horizontal and Vertical slide bars to the far left of their range. Next adjust the Shift Clock Adjust control as described below. Complete the adjustment with the Video Position Horizontal and Vertical scroll bars to register the video memory position (panning) inside the live video wi[...]

16 COMPUTER TOP TV-III For channels requiring only one digit, a short delay confirms that the whole channel number has been entered. If you don’t enter a second digit before a certain amount of time, the channel is set using just the single digit. If you select an invalid channel, the number entered is reflected on the display, but after a few se[...]

17 4.13 Selecting the Audio Source There are three audio sources that can be selected: • The tuner • An external source from a laser disk or VCR • An internal source, which could be a sound board or CD-ROM drive The tuner source is selected by default. The CD or sound board can be selected with a CD button on the remote. Pressing this button [...]

18 COMPUTER TOP TV-III 4.14 Selecting the Video Source The Computertop TV-III card has two video sources, the tuner and an external video source such as a laser disk player or a VCR. You can select the two video sources as follows: a. Use the TV/Video button on the remote. This switches both the video and audio sources to either the tuner or an ext[...]

19 4.16 Still Image Display Still images can be loaded when the standard Windows interface or screen is selected. To load an image, select the Load option from the Display menu. The dialog box displays two list boxes, one to select the directory or disk drive, the other to display image files available in the current directory. A file is selected b[...]

20 COMPUTER TOP TV-III 4.20 Select The User Interface The Set TV style option in the floating menu or the Configure menu of the menu bar selects the TV interface. When the TV style is set to Cabinet or Screen only, choices are made through the remote, the keyboard, or the floating menu. When the cabinet is on, the TV is resizable in three sizes: fu[...]

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746 © Copyright 1993. Black Box Corporation. All rights reserved.[...]