Sleep timer function
You can have the power automatically switched to standby once a set time has elapsed. This is convenient for listening while going to sleep.
Press SLEEP during playback and select the setting time.
The 
indicator on the display lights.
You can set the sleep timer in the range from 10 to 90 minutes in steps of 10 minutes.
To cancel the sleep timer
Press SLEEP to set “Sleep 
Off”.
The indicator on the display turns off.
The sleep timer setting is canceled when the unit switches to standby mode.
To check the time remaining until the sleep timer is activated, press SLEEP.