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Appendix
Disabling all knob operations except VOLUME
When this unit is turned on, press and hold on the main unit until “SPECIAL MODE” appears on the display.
Turn the INPUT selector knob to select “4P/R LOCK”, then press .
Turn the INPUT selector knob to select “FP LOCK ON”, then press to confirm the setting.
All knob operations except and VOLUME are disabled.
Network Stereo Receiver
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