19
Trouble-shooting
symptom Possible causes Solution
No display
The power is not turned on
Please check if the power is
connected, and then
press ”POWER” button to turn on
the monitor
Unstable power voltage Reconnect to power supply
BNC or HDMI cable loose
contact or not correctly
connected
Check and correctly connect the
BNC or HDMI cable
The attached battery is no
power
Change battery
Using DIY power supply but
the polarity is reversed
Refer to the provided power supply,
reconnect the power.
Image or color abnormal
Bad contact of BNC or HDMI
cable
Change cable
Video signal has Interference Remove the interference source(s)
Improper adjustment of the
color parameters
Adjust the “Recall profile” to
“Default” under “System” submenu
Distortion of the image Reset the Aspect ratio
Set to Red/Green/Blue only or
Mono
Turn the Blue only/ Red Only/
Green Only/Mono off under
R/G/B/Mono submenu
Turn on the “Focus Assist”
function
Turn off the “Focus Assist” function
Turn on the “False Color”
function
Turn off the “False Color” function
Signal can not correctly
recognize color space, wrong
set of HDMI color space.
Set to the correct color space mode
No audio output
Set to Mute
Turn off MUTE or revolve
“MENU/ENTER” to adjust the
volume
Bad contact of signal cable Connect to the correct input socket
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