Functions of Controls
See the given pages for further description.
Front
GDM-17E20
Push this part to open up the control panel cover
1
RESET button (page 10)
Press to reset the adjustment data to the factory-preset
levels.
2
(option) button (page 8-9)
Press to set the option OSD (On Screen Display).
3
(convergence) button (page 8)
Press to adjust the vertical and horizontal convergence.
4
(geometry) button (page 7)
Press to adjust the rotation and pincushion.
5
(size) button (page 7)
Å
Press to adjust the vertical and horizontal picture size.
6
(center) button (page 6)
Press to adjust the vertical and horizontal picture
position.
4
GDM-20E20
7
¨ (brightness) –/+ (./>) buttons (page 6-9)
Press to adjust the brightness.
–/+(./>) buttons also adjust the each items.
8
> (contrast) –/+ (?//) buttons (page 6-9)
Press to adjust the contrast.
–/+ (?//) buttons also adjust the each items.
9
Power saving indicator (page 10)
Lights up when the monitor is in the Power Saving
Modes.
0
u power switch and indicator (page 10)
Press to turn the monitor on or off. The indicator lights
up when the monitor is turned on.