Faq - NovaStar VX4S-N User Manual

8 FAQ

Questions
LED display is off
Monitoring port
output is
abnormal
Phase of VGA
input offset
PIP display is
abnormal
Fading is
abnormal
Image mosaic is
abnormal
Audio is
abnormal
Please preliminarily investigate problems according to the above steps; if you cannot
eliminate the problems, please contact the local dealer or our company's customer service
personnel.
There is high voltage inside the machine. In order to guarantee your safety, please do not
maintain the processor by yourself.
V X 4S - N U s e r M a nu a l
Methods
Inspect whether the power connection is correct and the switch has
been turned on;
Play the Self test image and confirm whether the connection of LED
is correct and works normally;
Inspect whether the VX4S-N output has signal and shows blank
screen;
Inspect whether the mode and parameter of screen configuration are
correct;
Check whether there is image input in input channel and whether it is
correctly displayed;
Check whether PIP has been turned on, whether there is signal input
in 2 channel and whether it is correctly displayed;
Check whether monitoring output is connected correctly and it is not
loose;
Please confirm whether Monitor supports the output resolution of the
VX4S-N;
Try to cut off the power of equipment and restart it, reset the VX4S-N
and operate again;
Perform VGA Auto ADJ;
Check whether there is signal input in 2 channel and it is normally
displayed;
Check PIP and confirm whether parameter setting is normal;
Check whether Switching effect has been enabled;
Check whether the VX4S-N Image Mosaic switch has been turned on
and whether Image Mosaic parameters settings is correct;
Check whether input signal source is normal;
Check whether the volume settings is appropriate;
Check whether the Audio mode setting is correct;
Confirm the VX4S-N is well connected to multifunction card, and
the corresponding output port icon on the main interface has been
highlighted; confirm whether the audio output mode of multifunction
card is HDMI mode (it is required to connect LCT for confirmation and
setting);
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