Operation 18
3.2 Contrast and brightness control
Contrast and brightness can be controlled through the OSD menus.

To activate the OSD

Turn the control knob {4} from left to right or from right to left. As a
result, the OSD main menu appears.
Note: The control knob should turn over at least 30 degrees before
the OSD becomes visible.
Contrast
- Contrast CAL position
- Manual contrast adjustment
- Exit
Contrast control menu
MAIN MENU
- Contrast CAL
- Brightness CAL
- Status information
- Settings
- Adjustments
- Exit
The OSD main menu
The main menu indicates the current setting for contrast and
brightness.
This can be:
• CAL: The calibrated position. This is the preferred setting in a
controlled environment.
• ALC: For contrast only. This indicates the Ambient Light
Compensation (ALC) is on, and contrast is controlled
automatically, depending on the ambient light. ALC is an
option.
• <empty> When the main menu does not specify a setting,
contrast or brightness is manually set to a
different value than the calibrated position.

To put contrast in calibrated position

1 Turn the control knob to select Contrast in the OSD main menu.
2 Press the control knob shortly. The contrast control menu appears.
3 In the contrast control menu, select Contrast CAL position and
press the control knob shortly.