Question: onkyo how to turn off zone 2?
Answer:  Press ZONE2 and then press ON/STANDBY. Zone 2 turns on, the ZONE 2 indicator lights.
 To select an input source for Zone 2, press. ZONE2, followed by an input selector buttons. To select AM or FM, press the TUNER input selector. repeatedly. ... 
 To turn off Zone 2, press ZONE2 followed by ON/