Troubleshooting
27
NOTES to release Demo mode
PROBLEM
CAUSE & CORRECTION
Can not change input source with F button such as
y Unplug the power cord and plug it in again. If that
BT (Bluetooth) etc. and All the function LEDs are
doesn't work, press and hold F button (About 15
turned on.
seconds) on the main unit until the function LED
indicates current selected function.
Remote Control does not work. (No response)
4