HDMI Matrix Switcher
PTN Electronics Limited www.PTN-electronics.com
11. Troubleshooting & Maintenance
1) When the output image in the destination device connected to theHDMI Matrix (MHD) has ghost,
such as the projector output with ghost, please check the projector’s setting or try another high
quality connection cord.
2) When there is a color losing or no video signal output,，Maybe the HDMI cables haven’t been
connected asHDMI criterion
3) When the remote controller doesn’t works:
A. Maybe the battery is run out of, please change a new one.
B. Maybe the controller is broken, please ask the dealer to fix it.
4) When user can not control the HDMI Matrix (MHD) by computer through its COM port, please
check the COM port number in the software and make sure the COM port is in good condition.
5) If there is not “beep” sound when switching the I/O signal, please make sure the beeper is
switched-on. If so, the beeper inside the matrix may be broken. Please send it to the dealer for
fixing.
6) When switching , the beeper beeps but without any output image：
A. Check with oscilloscope or multimeter if there is any signal at the input end. If there is no signal
input, it may be the input connection cord broken or the connectors loosen.
B. Check with oscilloscope or multimeter if there is any signal at the output end. If there is no
signal output, it may be the output connection cord broken or the connectors loosen.
C. Please make sure the destination device is exactly on the controlled output channel
D. If it is still the same after the above checking, it may be something wrong in the switcher.
Please send it to the dealer for fixing.
7) If the output image is interfered, please make sure the system is earthed well.
8) If the static becomes stronger when connecting the HDMI connectors, it may be due to the
incorrect earthling of the power supply, Please earth it again correctly, and otherwise it would bring
damage to the switcher or shorten its natural life.
9) If the Matrix can not be controlled by the keys on the front panel, RS232 port or remote controller,
the host may has already been broken. Please send it to the dealer for fixing.
Remarks: For any more questions or problems, please try to get help from your local distributor, or
email PTN at support@PTN-electronics.com.
(3 pages)
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Comments to this Manuals