Barco MGD 521 MKII user manual Contrast and brightness control, To activate the OSD

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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.

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: This indicates the Ambient Light Compensation (ALC) is on, and contrast and brightness are controlled automatically, depending on the ambient light. ALC is an option.

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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

1Turn the control knob to select Contrast in the OSD main menu.

2 Press the control knob shortly. The contrast control menu appears.

3In the contrast control menu, select Contrast CAL position and press the control knob shortly.

Contrast

-Contrast CAL position

-Manual contrast adjustment

-Exit

Contrast control menu

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Contents MGD 521 Mkii V599326/Rev JuneTrademark information MGD 521 M Mkii Users Guide Safety Instructions MGD 521 M Mkii Users Guide Contents MGD 521 M Mkii Users Guide Introduction OverviewPower saving system Versions and optionsAbout the manuals Installation PrecautionsPackage contents Controls and connectors Signal connection Connection of video signalsConnection of data signals Connection of optical sensorConnection of power Positioning the displayImportant considerations Automatic power saving system Dpms Switching on / offPower on/off Operation User ControlsContrast and brightness control To activate the OSDTo put contrast in calibrated position To control contrast manually To put brightness in calibrated positionTo control brightness manually Viewing Status information To view the status informationExplanation of the Status information menu items Other adjustments Activity timeoutAdvanced Settings and Adjustments For Service Staff only SettingsTo change the settings Explanation of the Settings menu items Saving the settingsDescription of the adjustments AdjustmentsHow to make the adjustments Geometry RotationAdvanced SH Compensation optional Interlacing Pre correctionInterlacing Post correction SH Compensation SH Compensation ON/OFFSH Compensation SH Position Advanced Advanced Focus zone To adjust the ALC system, proceed as followsFocus Static focus ALC optionalLuminance uniformity Factory resetHow to save changes Proceed as follows What happens upon saving?Maintenance Picture tubeCabinet Troubleshooting There appears no image, the green LED is onAppendix a Background Information Luminance Uniformity CorrectionPage Appendix B Technical Specifications Picture tube