NovaPro HD User's Manual
www.novastar.tech -41-
Refresh all: Check this option and click “Refresh” to refresh and display the program
versions of all sending card and receiving card of current serial port.
Set refresh: Click “Refresh” to set refresh and display the version information of
one receiving card.
Refresh: Refresh and display the version information of hardware in order to make
sure the hardware program is updated.
10 Troubleshooting and Precautions
Blank screen of
LED display
Check whether the power is correctly connected and the
switch is on.
Use test pattern to check whether the LED is correctly
connected and is working properly.
Check whether Pro HD has signal input and the output is set
as black out.
Check whether the display configuration mode and
parameters are correct.
Monitoring port
output is
abnormal
Check whether the input channel has image input and it is
displayed normally.
Check whether PIP is enabled and channel 2 has signal input
and the image is displayed normally.
Check whether monitor output is connected correctly and the
connection is not loose.
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