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Troubleshooting
Problem
Solution
LED screen is
not lit
Make sure the power is properly connected and switched on.
Make the LED screen is connected properly and works
normally.
Make sure the VX400s has input signal and check whether the
screen is black because of extended mode, PIP shielding or
other problems.
Make sure the configuration mode and parameters are
correct.
Monitoring
connector
outputs
abnormally
Make sure the input connector has signal input and can
display the image normally.
Make sure the PIP is turned on. Make sure the PP has signal
input and can display the image normally.
Make sure the monitoring connector is well connected.
If a monitor is connected, make sure the monitor supports the
output resolution of the VX400s.
Power off and restart the device, and then redo the operation.
