7. Trouble shooting
If there is any problem using the unit? You can try following
ways to inspect and solve
●
without image display Trouble shooting
◆
Video cable off or
connect incorrectly
Check the quality of the cable, make
sure the correct input interface
◆
Without video signal
input
Check the signal source and output
interface connect is correct or not
◆
Monitor is not be
powered on
Check the power whether connected,
put the power switch to “
on
” position
◆
Supply voltage instability The power adapter or battery is poor
connected with battery plate
◆
The power use is
self-made, polarity connect
inversely
Reference "Power input way"
reconnect
●
Image/color display abnormal
Trouble shooting
◆
Video cable poor contact Change video cable, try again
◆
Video signal interfered
from external environment
Move to another environment to try
again
◆
Video input signal
amplitude too low
Check signal source video output, or
change signal source have a try.
◆
Menu color saturation
adjustment closing
Enter menu check color, or reset to
factory settings
◆
B/W set in monochrome
or black & white
Press the B/W button, back to the color
◆
Image deformation
Reset the ratio
●
Speaker without sound
Trouble shooting
◆
Audio cable off or
connect improperly
Confirm connected with the
corresponding input end
◆
Volume adjustment was
closed
Reset the volume control is adjusted to
a proper position
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