10-16 Audio ModeButtons

Thefive buttons (10, 13, 14, 15, and16) select oneof the Audio+ VideoStandard's audio modes.

TheAudio + Vid~.o Standardautomatically selects whichdi~al decodingformatto use,

basedonthe input signal it receives.

Whena silent digital signal .is present,the Audio+VideoStandard will automatically mute its output until program material resumes and the Audio+Video Standard identifies the correct processingmodeThis. occurs while changinglaser, DVDor com- pact discs, andbetweentracks on a cd.

Muteprotectsyoursyste,m by preventingthe Audio + Video ~Standardfrom playing back digital datain anincorrectformat.If the Audio

+Video Standardis going to be usedas a digital to analogconverterfor musicplay- back, this muting may seem awkward becausethe beginningof eachtrack maybe affected. Youcan changethe format auto- sensingto eliminatethis muting,if youwish. Todoso, switchthe unit into standby.Press the DTSbutton (13) on the front panel and switch the Audio+VideoStandard out of standbyto poweron(operate). This will dis- able the automatic muting feature of the Audio+VideoStandardandwill alter the way in whichthe automaticformat sensingoper- ates.Forbestresults, selectDTSprior to lis- tening to any DTSencodedmaterial and be careful to select the properformatfor each pieceof softWareplayedthroughthe. digital inputs.

Tore-engagethe automaticmutingfeature, switch the Audio+VideoStandardinto stand- by andtoggle the mainpowerswitch (38) the rear panelto the off position. Whenyou. restart your Audio + Video Standard, the

automaticmutingfeature will be active. Be sureto turn all amplifiersoff whenswitching the mainpowerswitch on andoff.

10 Dolby Digital engagesDolby Digital (AC-3) processing for use with Dolby Digital (AC-3)encodedsourcematerial. The Audio + Video Standard automati- cally switchesto DolbyDigital (AC-3)pro- cessing uponreceiving a Dolby Digital (AC-3)encodedsignal. Nouser interven- tion is requiredafter the appropriatedigi- tal input is selectedandconnected.

Dolby Pro Logic engages Dolby Pro Logiccircuitry for usewith all Dolbysur- roundprocessingencodedmaterial. This includeslaser discs, videotapes,televi- sion broadcasts,andcompactdiscs.

11 TheDolbyDigital LEDis lit andthe DolbyPro Logic LED(12) is not lit when the Audio+ Video Standard is in the Dolby Digital (AC-3) decoding mode. Whenboth the DolbyDigital LEDandthe DolbyPro Logic LEDare lit, the Audio+ Video Standard is decoding a Dolby Digital (AC-3) encodedDolby Pro Logic signal.

12 The Dolby Pro LogicLEDis lit and

the DolbyDigital LED(11) is not lit when the Audio+ Video Standard is in the

Dolby Pro Logic decoding, mode.When both the DolbyDigital LEDandthe Dolby Pro Logic LEDare lit, the Audio+ Video Standard is decoding a Dolby Digital (AC-3).encodedDolbyPro Logic Signal.

13 DTSengagesDTSdigital surround processing for use with DTSencoded source material. The Audio + Video $tandardautomatically switches to DTS processinguponreceiving a DTSsignal. Nouserinterventionis requiredafter the

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Krell Industries Audio + Video Standard Surround Preamp/Processor manual Audio ModeButtons