Barco MGD 221 MKII user manual Troubleshooting, There appears no image, the green LED is on

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6. TROUBLESHOOTING

There appears no image on the picture tube, the green LED at the rear is out

•Check if the power cord is properly connected to the power outlet and to the display.

•Check if the power button is switched on.

There appears no image, the green LED is on

The display is switched in Stand-by, manually or by the automatic Power saving system.

•Press the control knob at the rear shortly.

•Try to switch on the display by pressing any key on the keyboard of the computer that produces the video and sync. signals for the display.

•Check if both horizontal and vertical sync. signals are connected to the display and to the computer.

There appears no image, the green LED is blinking

The display is switched in a power saving mode by the automatic Power saving system.

•Press the control knob at the rear shortly.

•Try to switch on the display by pressing any key on the keyboard of the computer that produces the video and sync. signals for the display.

•Check if both horizontal and vertical sync. signals are connected to the display and to the computer.

On the picture tube appears the message "No Valid Sync Signal"

•Check if both horizontal and vertical sync. signals are connected to the display and to the computer.

•Check if the sync. signals are connected in the proper way (refer to the chapter "Installation").

•Check if both horizontal and vertical sync. frequencies match the display specifications (refer to the chapter "Technical specifications").

For other problems, please consult your technical service department.

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Contents MGD 221 Mkii Medical Greyscale DisplayTrademark information MGD 221 Users Guide Safety Instructions MGD 221 Users Guide Contents MGD 221 Users Guide Introduction OverviewAbout the manuals Power saving systemVersions and options Package contents InstallationPrecautions Controls and connectors Signal connection Connection of video signalsConnection of data signals Connection of optical sensorConnection of power Positioning the displayImportant considerations Switching on / off Power on/offAutomatic power saving system Dpms Operation User ControlsTo put contrast in calibrated position Contrast and brightness controlTo activate the OSD To control brightness manually To control contrast manuallyTo put brightness in calibrated position Explanation of the Status information menu items Viewing Status informationTo view the status information Other adjustments Activity timeoutTo change the settings Advanced Settings and Adjustments For Service Staff onlySettings Explanation of the Settings menu items Saving the settingsAdjustments How to make the adjustmentsDescription of the adjustments Geometry RotationAdvanced Interlacing Pre correction Interlacing Post correctionSH Compensation optional SH Compensation SH Compensation ON/OFFSH Compensation SH Position Advanced Advanced To adjust the ALC system, proceed as follows Focus Static focusFocus zone ALC optionalFactory reset How to save changes Proceed as followsLuminance uniformity What happens upon saving?Cabinet MaintenancePicture tube There appears no image, the green LED is blinking TroubleshootingThere appears no image, the green LED is on Appendix a Background Information Luminance Uniformity CorrectionPage Appendix B Technical Specifications AR panel 30%