AUGUST 1993 AC453A Computertop TV-III CUSTOMER SUPPORT INFORMATION Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.
COMPUTERTOP 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.
COMPUTERTOP TV-III Contents 1. 2. 3. 4. SPECIFICATIONS ...............................................................................................4 INTRODUCTION ...............................................................................................5 INSTALLATION..................................................................................................6 3.1 Hardware Installation............................................................................6 3.2 Software Installation .......
COMPUTERTOP TV-III 1. Specifications 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.
CHAPTER 2: Introduction 2. Introduction The Computertop TV-III card is a full-motion video display card with a television tuner and audioprocessing 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 player, or camcorder is also supported.
COMPUTERTOP TV-III 3. Installation Use the hardware installation guide that came with your system to find specifics related to your PC. WARNING Static discharge can damage sensitive electronic components on your Computertop TV-III card and in your PC. When accessing PC cards, use anti-static techniques: Avoid wearing synthetic fibers and scuffing on the carpet. Dry air and carpeting are ideal for static generation.
CHAPTER 3: Installation 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. 11.Attach the antenna or cable source to the F-RCA adapter.
COMPUTERTOP 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:. A DOS prompt with drive letter A should be visible. 5.Type SETUP and follow the instructions. 8 6.
CHAPTER 4: Operation 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 other windows on the screen. If OFF, the TV window behaves like any other window and can be obscured by other windows. 4.
COMPUTERTOP TV-III 4.4.2 CONTRAST 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: c.Select Colors option from the floating menu or from the Configure menu in the menu bar. This brings up the Colors dialog box with scroll bars for color adjustments. A Tint scroll bar lets you adjust the hue. a.Use the contrast button on the remote.
CHAPTER 4: Operation 4.4.5 RED LEVEL 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 decreases it. b.Select the Colors option from the floating menu or from the Configure menu in the menu bar.
COMPUTERTOP 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 VOLUME Changes in the volume are reflected with a row of vertical bars at the bottom left corner of the TV screen. A red bar moves along the row to indicate the current volume level.
CHAPTER 4: Operation 4.6.3 BASS 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 decreases it. b.Use the L and Control-L key combinations on the keyboard to decrease and increase the bass, respectively. c.
COMPUTERTOP TV-III 4.7 Help 4.8 Video Align Displays a Windows help screen explaining the functions of the program. Help is made available in two ways. 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). a. Click on the “?” key on the remote. Then click on any remote button or a menu item.
CHAPTER 4: Operation 4.8.3 VIDEO POSITION ADJUSTMENTS 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 window. These scroll bars let you slide or “pan” the video picture so that it completely fits within the screen boundary.
COMPUTERTOP 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 seconds the current channel number is redisplayed. For twodigit channels, no delay is needed.
CHAPTER 4: Operation 4.11 Sleep Timer 4.13 Selecting the Audio Source The sleep timer turns the TV off after a period of time. Program the time through the Wakeup/Sleep dialog box in the Configure menu. There are two ways to enable or disable the sleep timer: There are three audio sources that can be selected: a. Use the Sleep button on the remote. Pressing once enables the function. Pressing a second time disables it. b.Use the S key on the keyboard to enable or disable the function. 4.11.
COMPUTERTOP TV-III 4.14 Selecting the Video Source 4.15 Still Image Capture 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: An image can be captured and written to pre-specified file type using the Snapshot button on the remote. The file name and type are specified by selecting Save from the Display menu or from the floating menu.
CHAPTER 4: Operation 4.16 Still Image Display 4.17 Print Captured Images 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.
COMPUTERTOP TV-III 4.20 Select The User Interface 4.22 Zooming and Panning 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: full, half and quarter screen. If the style is set to Screen only or Standard Window, the screen is arbitrarily resizable.
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