QT ZM66User ManualUser Manual Q-Tech Commercial SeriesQT ZM666Front Panel LayoutZONE(1~6)16 buttons for selection of BGM into whicheverzones requiredAudio2Input switches for source choice of input sourceselection (Tape CD Tuner)Output Level3Signal level indicatorPower4Power indicatorPower Switch5ON/OFFMaster6Master level controlTreble7Treble response. Rotate clockwise to increasetreble output and anti-clockwise to reduce it.Bass8Bass response. Rotate clockwise to increasebass output and anti-clockwise to reduce it.Music9Music volume controlMicro10Microphone Volume ControlREC11Message record switch. Three messages of 60seconds each may be recorded; for messageselection see switch(13) on rear PanelStop12End message recording switchPlay13Manual message replay switchActive14Message playing indicatorMIC15Internal microphone for message recording567891011121314151 2 3 4