Marantz NR1605 Owner's Manual page 137

Contents Connections
Canceling the Panel lock function
1
Press X while you press and hold M-DAX and DIMMER
with the unit in standby mode.
2
Press ZONE2 SOURCE or INTERNET RADIO to select
"FP LOCK zOff".
(z The currently set mode.)
3
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.
Front panel Display
Playback Settings
Rear panel 137
Tips
Remote Index
Appendix