- 1-12 -PROBLEM ITEMS TO CHECKBefore calling your Authorized Product Support, pleasecheck that the items below are properly connected or set.In case of using a non-standard signal, please check thepin assignments and the signal timing of your computerwith the specification outlined in 7. SPECIFICATIONS.LOCATION••••••••••••••••••••••••FrontFrontRearRearComputerCheck the specificationof graphics adapter andmonitorRearComputerFront (OSM ™)Front (OSM)Contrast and brightness controls.Power switch.Power cord disconnected.Signal cable disconnected.Computer power switch.Power management function is active.Input signal frequency range is out of specification.Display Resolution is out of range.Signal cable disconnected.Computer power switch.Power management function is active.Adjust, RESOLUTION, CLOCK, CLOCK-PHASE, H-POSITION,and V-POSITION with non-standard signals.Monitor may not be able to get full-screen image depending onsignal. In this case, please select other resolution, or othervertical refresh timing.Make sure you wait a few seconds after adjusting the size of theimage before changing or disconnecting the signal or poweringOFF the monitor.LED On(Green)LED OffLED On(Amber)NopictureIllegible image, ab-normal position ofscreen, or too smallor too large of a dis-play sizeThe following message appeared.The following message appeared.66 TROUBLESHOOTING