
Basic Operations
13
Problem
Reason
Solution
Troubleshooting
Monitor image is good, but
there is noise.
Monitor sound setting is improper.
Saturation is too low.
Enter "PICTURE" setting to increase the saturation.
1.Volume is too low.
2.Sound is turned off.
1.Adjust the volume properly.
2.Press the Mute key on the remote control to turn
on the sound.
Remote control distance
becomes short, out of
control.
1.Move the object to avoid blocking the receiver
window.
2.Replace the battery.
Signal cable is loose or falls off.
Check whether the signal cable is loose or falls off,
and reconnect the cable.
1.The receiver window is blocked.
2.Battery voltage of the remote
control is too low.
Enter
setting menu and reset the sound
system.
“
"
Monitor
No screen display, no sound,
indicator is off.
Power plug is loose, or power
supply isn't connected.
1.Check if the power cord is connected properly.
2.Check if the " " button on the panel is on.
Monitor image has point, line
or stripe interference.
The signal is interfered with by
automobile, neon light, or hair drier.
Do not use hair drier near the device.
Image has no color.
Monitor doesn't have sound.
PC doesn't have display, no
signal input, red indicator
flashes.
PC display is blurry.
1.Adjustment is improper.
2.Display mode is improper.
1.Use automatic adjustment.
2.Use recommended mode.
PC image offset, can't fit the
screen or beyond the screen.
1.Adjustment is improper.
2.Display mode is improper.
1.Use automatic adjustment.
2.Enter "Geometry" to adjust the vertical or horizontal
position.
3.Use recommended mode.
Can't operate the device.
External factors, such as lightning
and ESD, may interfere with the
normal operation.
Press " " button to turn off electrical source, then
press " " button to turn on the
again after 1-2
minutes.
Monitor
Noise Signals at turning off.
Electrical release at turning off.
It is normal.