Marantz CINEMA 50 9.4-Channel Network A/V Receiver (Black) - Manual (Page 259)

Specifying the zone used with the remote control unit
SETUP
MAIN
Z2
To prevent accidental misuse, you can set the zone for which the remote
control unit is used.
1
Press and hold down either MAIN or Z2 and SETUP at
the same time until the MAIN and Z2 indicators flash
green.
MAIN: When only using MAIN ZONE
Z2: When using MAIN ZONE and ZONE2
Contents Connections Playback Settings Tips Appendix
259
Front panel Display Rear panel Remote Index