User Manual

7.3 Full-screen Image Flashes or Vibrates
Reason
• DVI output of graphics card or other device fails.
• Receiving card number loaded by single network interface is larger than its load capacity.
• Signal cable is too long.
Soluon
• Check system connecon to see if the DVI cable or the network cable is loose, if the signal cable
length exceeds the allowable transmission distance, etc.
• Reduce receiving card loading number of each network interface.
Congure signal cable again on
the client aer changing connecon mode.
• Check the resoluon conguraons of the graphics card, sending card, and video processor.
7.4 Spots/Strips Exist in Full-screen Image
Reason
Incorrect screen type conguraon.
Soluon
Check screen type conguraon.
7.5 Certain Unit Image Flashes or Has Spots
Reason
• Loose connecon of receiving card or HUB card.
• Incorrect receiving card program.
• Check the receiving card, HUB card, and data cable
connecon in the unit.
• Check if the receiving card program of the unit is correct, or if the receiving card
funcons well.
7.6 Certain Unit Screen is Unlit
Reason
• The power supply or the receiving card of the unit fails.
• The signal output of the pervious unit fails.
Full-Color LED Display Controller User Manual
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