User manual

9
Brightness Control
The VGA RS232 Extender Receiver Unit has a brightness trimpot to adjust the
brightness of the picture. If the picture appears too dark or too bright, following the
instructions below.
1. Insert a small fl athead adjustment tool into the trim pot.
2. Turn the trim pot in a clockwise fashion until the trim pot stops turning. Do
not force the trim pot beyond this point as it may break.
3. Turn the trim pot in millimeter increments in a counter-clockwise fashion until
the desired brightness is reached.
4. Remove the trim pot adjustment tool.
CONNECTING AND OPERATING
THE GEFEN VGA RS232 EXTENDER
Brightness trimpot