Marantz AV 10 Owner's Manual page 152

Contents Connections
Sleep timer function
MAIN
Z2
Front panel Display
Playback
You can have the power automatically switched to standby once a set time
has elapsed. This is convenient for viewing and listening while going to
sleep. The sleep timer function can be set for each zone.
Z3
SLEEP
152
Rear panel
Settings Tips
Remote Index
Appendix