L C D D i s p l a y s O P D - 2 1 2 A / 2 1 5 A / 2 1 7 AIndustry LCD Display User’s Manual 48TroubleshootingTo solve the following problems, you may need to refer to Appendix AStandard Timing for compatible display specifications.1. Problem: Unclear or Unsteady DisplayActions:1. Activate the AUTO button. You might need torepeat to find balanced values for a good quality.If the AUTO button cannot solve the problem, try tomanual fine tune following steps below:1. If the image size does not fit the screen, adjust theSize setting value under “Quality” menu.2. If there is image pixel noise appears, adjust thePhase setting value under “ Quality” menu. Pull andadjust the value bar to find out what is the best clarityrange for your LCD display.3. If the image is not centered after step 1 and 2, adjustImage Position under “Position” menu to centerthe image.4. If you still have problem to fine-tune the image, callyour local technical support for assistance.2. Problem: No Display is shown on the LCD monitor.Actions:1. Make sure the LCD monitor is powered on bychecking if the Power LED is lit. Check if all theconnections are secure and the system is runningcorrectly.2. If the power LED lights up green, but there is stillnothing displayed; connect your PC with another