Playback

Disabling all knob operations except VOLUME

When this unit is turned on, press and hold Power Button on the main unit until “SPECIAL MODE” appears on the display.
Turn the INPUT selector knob to select “4P/R LOCK”, then press Power Button .
Turn the INPUT selector knob to select “FP LOCK ON”, then press Power Button to confirm the setting.

All knob operations except Power Button and VOLUME are disabled.

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