Denon AVR-X1700H 7.2-Channel Network A/V Receiver with HEOS - Manual (Page 220)

Limiting the operating zone with the remote control
.
SETUP
ZONE2
ZONE2 operations can be disabled using the remote control.
1
Press and hold ZONE2 and SETUP.
The MAIN and ZONE2 buttons blink.
o Canceling the settings
1
Press and hold ZONE2 and SETUP while configuring
the setting.
The MAIN and ZONE2 buttons blink and the setting is canceled.
Contents Connections Playback Settings Tips Appendix
220
Front panel Display Rear panel Remote Index