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Canceling the Panel lock function
Press
while you press and hold M-DAX and DIMMER with the unit in standby mode.
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Press TUNER PRESET CH + or TUNER PRESET CH - to select “FP LOCK
Off”.
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( The currently set mode.)
Press STATUS to enter the setting.
The Panel lock function is canceled.
Even when the Panel lock function is set, you can operate the unit using the remote control unit.