Adjustments
You can adjust the picture to your preferences by following
the procedure described below.
You can adjust the all items on the OSD (On Screen
Display). The item to be adjusted is indicated in white on
the OSD.
Before adjusting the items, turn on the unit and connect
video cable to the computer/work station.
The buttons of GDM-20E20 are used as the illustrations.
The buttons of GDM-17E20 also have same functions.
Adjusting the Picture Brightness
The adjustment data becomes the common setting for all
input signals.
1
Press the ¨ ./> button.
The ¨/> OSD (On Screen Display) appears.
2
Press the ¨ ./> buttons to adjust picture brightness.
. . . for less brightness
.
> . . . for more brightness
The ¨/> OSD disappears 3 seconds after you release the
buttons.
Adjusting the Picture Contrast
The adjustment data becomes the common setting for all
input signals.
1
Press the > ?// button.
The ¨/> OSD (On Screen Display) appears.
2
Press the > ?// button to adjust picture contrast.
? . . . for less contrast
/ . . . for more contrast
The ¨/> OSD disappears 3 seconds after you release the
buttons.
6
The adjustment data becomes the unique setting for the
input signals received.
1
2
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To erase the
The
you release the buttons.
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Adjusting the Picture Centering
Press the
button.
The
OSD (On Screen Display) appears.
For vertical adjustment
Press the ¨ ./> buttons.
. . . . to move down
> . . . to move up
For horizontal adjustment
Press the > ?// buttons.
? . . . to move left
/ . . . to move right
OSD, press the
OSD automatically disappears 10 seconds after
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button again.