Troubleshooting
69
Problem Solution
The remote control does
not work
Have you locked the remote control function? Unlock the
function and try again.
Check for incorrect battery orientation.
Check for dead batteries.
Check your distance and angle from the display.
Check whether remote control is properly being pointed at
the display’s remote control sensor window.
Check for any obstacle between the remote control and the
remote control sensor window.
Check that the remote control sensor window is not under
strong fluorescent lighting, or in direct sunlight.
Check for any devices (computer or personal digital assistant,
PDA) nearby that transmit infrared signals which may cause
interference to signal transmission between the remote
control and the display. Turn off the infrared function of these
devices.
Remote control failure
Check whether there are other objects between remote
control and television remote control receiving window, thus
leading to failure of remote control.
Check whether the battery electrode in the remote control
is correct.
Check whether remote control needs to replace battery.
Machine automatically
shutdown
Whether set sleep or not.
Check whether there is sudden power outage.
Check whether there is no signal automatic shutdown.
Signal out of range
Check whether display is set correctly.
Check whether resolution is the best resolution.
Adjust line and field synchronization in menu.
Background has vertical
lines or streaks
Select automatic correction in menu.
Adjust clock and phase position in menu.
Image lack of color, color
is incorrect
Check whether VGA is not well connected or has quality
problem.
Adjust chromaticity and brightness or contrast in menu.
Display format that is not
supported.
Select automatic correction in menu.
Adjust clock and phase position in menu.
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