Dolby Laboratories DP570 A.4 Assigning a Dim Setting

70 Dolby® DP570 Multichannel Audio Tool User’s Manual
Configuring a Monitor System Assigning a Dim Setting
Figure A-9 Real-time Analyzer (RTA) Display
IfanRTAisnotavailable,settingtheLFEchannelhigher(e.g.,89dBcfortheSubwoofer
channelwhentheCenterchannelmeasures85dBc),cangiveanapproximatelevelwithan
SPLmeter.Thislevelvarieswiththequalityofthemeterbeingused.
Forfuturereference,ifcalibratingthesubwooferwithanRTA,measurethelevelwithan
SPLmeterandnotethemeterreadingforthepropercalibration.Usethismeasuredvalue
forquickchecksofthesystemcalibrationinthefuture.
A.3.10Calibrating Emulator Output
IfyourDP570doesnotincludetheCat.No.548AnalogOptionCard,calibrateyour
speakersystemusingtheemulatoroutputsandexternalequipment.Theseoutputsare
digitalanddonothaveanyinternaladjustments.
A.4 Assigning a Dim Setting
TheDimGainslidersetsanalternatelevelforallspeakeroutputs.Thislevelisactivated
whenyouclicktheDimbuttonshowninFigureA‐10.This settingenablesyoutochange
yourmonitorlevelinoneclick(forinstance,ifaclientwalksinoryouhavetotakeaphone
call),thenreturntoyourmasterlevelsettingbyclickingDimagain.IftheDimGainsetting
isOff,clickingDimmutesthespeakers.
Figure A-10 Dim Button
Note:YoucanalsoactivatetheDimlevelviatheGPI/Ointerfacebutnotviathe
front‐panelbuttons.
+10 dB
LFE Channel
Center channel 0 dB datum
+10 dB datum