Operating Steps - Sharp QA-1200 Operation Manual

Color computer/video projection panel
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NOTES
1) Connecting to the projection panel audio output automatically mutes the built-in speaker.
2) If a monaural signal is connected, the volume from the built-in speaker will be about 1/4 the normal
stereo volume.
In this case, use a mono-stereo adaptor connection.
3) If a microphone or similar device with a low signal level is connected, the speaker will not produce
any sound. Always use an appropriate amplifier for the input signal.
Operating Steps
Before turning power on to the equipment, please note the following precautions.
The projection panel should not be used with any OHP which may cause the panel's
internal
LCD to reach a temperature of 45°C (113°F) or higher.
NOTE
To ensure proper cooling, keep the control cover open while using the projection panel.
To prevent the projection panel's LCD from reaching this maximum temperature, a very effective cooling fan is
built into the panel. This fan only operates when the projection panel's power switch is turned ON. Therefore,
make sure that the power switch has been turned on first and then turn on the power switch of the OHP.
Because the projection panel is directly compatible with many systems, it has been provided with a built-in
Automatic Setup System to enable correct display for most display signals.
Mi 480-line displays (VGA, Macintosh II and Macintosh LC):
Displays as a 480-line display.
Mi 400-line displays (VGA and MCGA):
The top and bottom 40 lines have no signals, and the image is displayed in the center 400 lines.
i 384-lines (Macintosh LC):
The top and bottom 48 lines have no signal, and the image is displayed in the center 384 lines.
Wi 350-line displays (VGA, MCGA and EGA):
The top and bottom 65 lines have no signals, and the image is displayed in the center 350 lines.
Mi 200-line displays (CGA, Apple II):
Displayed as a 400-line display. The top and bottom 40 lines have no signals.
NOTE
EGA/CGA (MDA/Hercules®) requires an optional cable which is available through your authorized local
dealer or parts distributor.
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