CK4L-5000 User Manual
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5.Input image appears black frame or shake
1) To confirm whether the VGA cable is in good condition, whether there is any
interference around.
2) To confirm whether the LED pixel is correspond to 4L-50000 output setting.
6.The output of DVI graphic card without image output
1) To confirm wether the DVI graphic card is in normal work.
2)To confirm whether the image is covered by sub-window of PIP.
Attentions:
1) The above listed is the common failure in after-sales maintenance. If you find the
device failure phenomena are not in above range. Please notify the suppliers to solve as soon
as possible. Please do not open the case without authorization, so as not to expand the fault or
cause unnecessary safety accidents.
2) Our company reiterates: without the permission, you who take device apart will bear all
the responsibilities that it may bring.
