Troubleshooting 65
Troubleshooting
4
NOTES to release Demo mode
Symptoms Cause & Solution
Can not change input source with F button such
as BT (Bluetooth), HDMI etc. and only [DEMO]
indication is showing in the front display.
Unplug the power cord and plug it in again. If that
doesn’t work, press and hold F button (About 15
seconds) on the main unit until the display indicates
current selected function.
Remote Control does not work. (No response)
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