Marantz Stereo 70S 2.1-Channel Network A/V Receiver - Manual (Page 105)

Sleep timer function
MAIN
Z2
SLEEP
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.
Contents Connections Playback Settings Tips Appendix
105
Front panel Display Rear panel Remote Index