AV-90PY Owner's Manual Brandname: Yamaha Category: Amplifier Total Pages: 25 Table of contents SafetyInstructions2ProfileofThisUnit4SpeakersToBeUsed5Connections7ConnectingSpeakers8SettingofTheYstSelector9AdjustmentBeforeOperation10Operations131414AdjustmentofDelayTime18AdjustmentofTheRearLevel19PresetKeyFunctions20