TroubleshootingImage vibrates on the screenl Check that the signal cable is properlyconnected to the graphics board or PC.Vertical flicker appearsl Press the Auto button.l Eliminate the vertical bars using the Phase/Clock of More Settings in OSD MainControls.Horizontal flicker appearsl Press the Auto button.l Eliminate the vertical bars using the Phase/Clock of More Settings in OSD MainControls.The screen is too bright or too darkl Adjust the contrast and brightness on OSDMain Controls. (The backlight of the LCDmonitor has a fixed life span. When thescreen becomes dark or begins to flicker,please contact your dealer).An after-image appearsl If an image remains on the screen for anextended period of time, it may beimprinted in the screen and leave an after-image. This usually disappears after a fewhoursAn after-image remains after thepower has been turned off.l This is characteristic of liquid crystal and isnot caused by a malfunction ordeterioration of the liquid crystal. The after-image will disappear after a peroid of time.Green, red, blue, dark, and white dotsremainsl The remaining dots are normalcharacteristic of the liquid crystal used intoday’s technology.file:///D|/My%20Documents/dfu/200P6/english/200P6/safety/saf_troub.htm (2 of 3)2005-09-15 1:07:29 PM