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
IfanRTAisnotavailable,settingtheLFEchannelhigher(e.g.,89dBcfortheSubwoofer
channelwhentheCenterchannelmeasures85dBc),cangiveanapproximatelevelwithan
SPLmeter.Thislevelvarieswiththequalityofthemeterbeingused.
Forfuturereference,ifcalibratingthesubwooferwithanRTA,measurethelevelwithan
SPLmeterandnotethemeterreadingforthepropercalibration.Usethismeasuredvalue
forquickchecksofthesystemcalibrationinthefuture.

A.3.10Calibrating Emulator Output

IfyourDP570doesnotincludetheCat.No.548AnalogOptionCard,calibrateyour
speakersystemusingtheemulatoroutputsandexternalequipment.Theseoutputsare
digitalanddonothaveanyinternaladjustments.
A.4 Assigning a Dim Setting
TheDimGainslidersetsanalternatelevelforallspeakeroutputs.Thislevelisactivated
whenyouclicktheDimbuttonshowninFigureA10.This settingenablesyoutochange
yourmonitorlevelinoneclick(forinstance,ifaclientwalksinoryouhavetotakeaphone
call),thenreturntoyourmasterlevelsettingbyclickingDimagain.IftheDimGainsetting
isOff,clickingDimmutesthespeakers.
Figure A-10 Dim Button
Note:YoucanalsoactivatetheDimlevelviatheGPI/Ointerfacebutnotviathe
frontpanelbuttons.

+10 dB

LFE Channel

Center channel 0 dB datum

+10 dB datum