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LED on display is not lit (no green or red color can be seen)
• Power Switch should be in the ON position and power cord should be connected.
• Check the main Power Switch, it should be in the ON position.
• Make certain the computer is not in a power-saving mode (touch the keyboard or mouse).
• Check to see that the power indicator option in the OSD is set to ON.
RED LED on monitor is blinking
• A certain failure might have occurred, please contact your nearest authorized dealer service
facility.
• Display is powered off by the inside temperature being higher than the normal operating
temperature. Power on the display again after confirming the inside temperature has been
reduced to normal operation temperature.
Display image is not sized properly
• Use the OSD Image Adjust controls to increase or decrease the coarse adjustment.
• Check to make sure that a supported mode has been selected on the display card or system
being used. (Please consult display card or system manual to change graphics mode.)
Selected resolution is not displayed properly
• Use OSD Display Mode to enter Information menu and confirm that the appropriate resolution
has been selected. If not, select corresponding option.
No Sound
• Check to see if audio cable is properly connected.
• Check to see if mute is activated.
• Check to see if volume is set at minimum.
• Check to see if computer supports an audio signal.
If unsure, contact the computer manufacturer.
• Check to see if SURROUND is set to ON.
• Check the external speaker switch.
Remote Control is not available
• Check the status of the Remote Control's batteries.
• Check if batteries are inserted correctly.
• Check if the Remote Control is pointing at the monitor's remote sensor.
• Check the Remote Operation setting status.
• The remote control system may not function when direct sunlight or strong illumination strikes
the remote control sensor of the display, or when there is an object in the path.
Scheduler/Sleep Timer function is not working properly
• The Scheduler function will be disabled when the Sleep Timer is set.
• If the Sleep Timer function is enabled and the power to the display is turned off when the
power supply is interrupted unexpectedly, then the Sleep Timer will be reset.
36 | Troubleshooting
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