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Canceling the Panel lock function
Press 
while you press and hold TUNER PRESET CH + and TUNE + with the unit in standby mode.
while you press and hold TUNER PRESET CH + and TUNE + with the unit in standby mode.Press TUNE + or TUNE – to select “FP LOCK 
Off”.
Off”.( 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.