Feelworld FW-1D/S/O - Manual (Page 23)

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7. Trouble shooting
If there is any problem using the unit. You can try follow 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
◆ HDMI cable poor connected Check the quality of cable, or change cable
have a try