RGBLink DXP D1616 User Manual - Manual (Page 67)

DXP D1616 User Manual 67
connections is broken or joint is loose, you can replace the connecting
line.
3. Check if the output port is in accord with the controlled port.
4. If not belong to above three circumstances, maybe it is caused by host
internal fault, please send to professional for maintenance.
5）If there is no display in LCD and no reaction for operation, please
check if the power input is good contacts.
6）If the output image is disturbed, maybe the input/output devices
without good ground.
7）If there is obvious electrostatic when drawing or inserting audio
and video interface, maybe the power ground without good ground,
please ground with the right way, otherwise, it will easily damage the
host and shorten the host life.
8） LCD display is normal, communication port has return code, but
no image output or no audio output:
 Maybe the AV interface is loose, you can just plug it tightly;
 Maybe it is short connection, you can just change it;
 Maybe wire is break, you can just change it.
9）If matrix panel button, communication port can not be controlled,
maybe host internal is damaged, please send to professional for
maintenance.