9. Troubleshooting
Treat problems according to the information given in the table below� If
problems still persist, call your dealer for service�
The problems described below are not always caused by malfunctions�
Check the MultiBoard again before having the MultiBoard serviced�
Problem Possible solution
Remote control
out of order
• Check whether there is an object between remote control and
MultiBoard receiver�
• Check whether the batteries polarities in remote control are right�
• Check whether the batteries are drained�
The unit
shuts down
automatically
• Sleeping mode setting�
• Check whether there is a sudden power failure�
• Check for signal to system and control�
PC mode
Out of signal
• Check display setting�
• Check the resolution�
• Adjust the Hs & Vs (synchronization) in the menu�
Background
streaking
• Choose auto adjustment�
• Adjust clock and phase�
False color
• Check the VGA�
• Setup the chroma, brightness and contrast�
Unsupport
format
• Choose auto adjustment�
• Setup the clock and phase�
Touch Function
Touch function
void
• Check driver is installed correctly�
• Reinstall the driver�
Not allow to
touch
• Check the settings and set it again�
• Reinstall the driver�
• Check whether the touch pen is working properly�
Video not working properly
No picture/No
sound
• Check POWER status�
• Check the signal cable�
• Check the internal PC�
Picture trembles
• Check the signal cable�
• Check if there are other electronics interrupting the signal�
9
22016/1 1/0
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