TroubleshootingSelf-Test Feature CheckNoteCheck the following items yourself before calling for assistance. Contact a Service Center forproblems that you cannot solve by yourself.Maintenance and Cleaning1) Maintaining the LCD Display Case.Clean with a soft cloth after disconnecting the power cord.• Do not use benzene, thinner or other flammable sub-stances, or a wet cloth.2) Maintaining the Flat Panel Display Screen.Clean with a soft cloth (cotton flannel) smoothly.• Never use acetone, benzene or thinner.(They may cause flaws or deformation of the screensurface.)• The user will be required to pay costs and relatedexpenses for repairing damages caused.Check ListNote• The following table lists possible problems and their solutions. Before calling for assis-tance, check the information in this section to see if you can remedy any problems foryourself. If you do need assistance, please call the phone number on the Informationsection or contact your dealer.• For more network-related information, refer to the MagicInfo Troubleshooting section.Problems related to the ScreenNoteProblems related to the LCD Display screen and their solutions are listed.Q: The screen is blank and the power indicator is off.A: Ensure that the power cord is firmly connected and the LCD Display is on.Q: The image is not clear; picture is blurred.A: Run Frequency Coarse and Fine tuning.A: Set the resolution and frequency to the recommended ranges.Q: The image is too light or too dark.43