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Operation Guide
2.3 OSD Function
Press button to activate OSD menu.
2.3.1 Picture control
Figure 8
BRIGHTNESS:
Adjust the image and background screen brightness
CONTRAST:
Adjust the image brightness in relation to the background.
RATIO SELECT:
Select screen ratio between FULL SCREEN (16:10) and NORMAL (4:3).
2.3.2 Geometry control
Figure 9
