Zone Settings (For Str-Dn1050 Only); Turning On/Off The Power For Zone 2 (Power) (For Str-Dn1050 Only); Selecting The Source Signals For Zone 2 (Input) (For Str-Dn1050 Only); Adjusting The Volume For Zone 2 (Volume) (For Str-Dn1050 Only) - Sony STR-DN1050 Help Manual