CK4L-9000 Series User Manual
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C Correctly install USB-RS232 device;
3)
No image
Possible reasons:
A No signal source input;
B Signal switching is not correct, such an example: input video source is VGA, but the
output channels are switched to AV input;
C Reversed connection of VGA input and VGA output;
D The display device do not adjust input channel such as adjust the input video source
to VGA;
E Video showing is total black
F Output VGA or DVI cable is damaged.
Solutions:
A Please check the input signals states (To detect by connecting the input signal source
to the display device directly)
B To confirm whether AV/VGA/DVI/YPbPr channel input are normal, with control
software or remote controller to switch the channel
C To confirm the output of the processor connected to the display device properly, and
the input signal is connected properly
D To adjust status of display device, for more specific operations please refer to display
device specification; adjust the display state of display device. Please refer to the user
manual of the display devices for specific operation
E Adjust the content of output signal, suggest using the dynamic picture, and do not use
the monochrome screen output.
F To confirm whether the black screen scene has been opened;
G Use good quality VGA cable to ensure the stability and high quality images
4)
The picture partial color phenomenon
Possible reasons:
A VGA or DVI interface not connected, loose connection leads to bad contacts
B VGA or DVI cable is damaged
C Color adjustment is not correct;
D Use the software color toning excessively
Solutions:
A After VGA or DVI cable is connected, please tighten the retaining bolt, to prevent
loosing because of pulling
