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Video to PC/HDTV Switching Scaler
Volume (TVB-400A only): Press ▲or▼ to adjust the Audio level.
The range of adjustment is 0~63. Factory default value is 31.
(TVB-400A Only). If the power is turned off, the volume level can
still be adjusted by first pressing the 'ADJUST' button and then
using the ▲or▼ buttons to adjust the Audio level.
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▲or▼: Press to toggle through various adjustment controls to alter
the settings
In the picture adjust mode, pressing ▲ and ▼
simultaneously will revert the selected parameter back to
factory preset value. Pressing both buttons for over 5
seconds will revert all picture parameters back to their
factory preset values.
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IR Sensor: Infrared remote control sensor.
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Power and LED button: Press once to power on the unit, press
again to turn off. Note: with power off the PC input is passed to the
output.
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desirable to disable the front panel controls (e.g. to prevent
unauthorized or accidental changes to the settings while the unit is in
use). To disable the front panel controls you must use the RS-232 port
(see Serial Control section for details)
It is still possible to remove the lockout from the front panel by
performing a full factory default reset operation!
To reset all parameters back to factory preset value, press the "Mode"
and "Adjust" buttons simultaneously for over 10 seconds. The Power
led will turn off while the buttons are depressed and turn back on when
the software reset occurs. The default video output selection is
Composite Video at XGA (1024x768) output resolution will be
selected.
________ Note ________
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Under certain circumstances it may be
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