- Dolby Multichannel Audio Tool User's Manual

Using the GPI/O Connector
Dolby
®
DP570 Multichannel Audio Tool User’s Manual 19
beedge‐triggered.TheActiveStatecolumnindicatestheDP570statethatresultswhenthe
pinisforcedtothelogiclevelindicated,ifitislevel‐triggered.
3.6.2 Assigning GPI/O Functions to Specific Pins
TheGPI/Oportisafemale37‐pinD‐connector.SeeFigure 3‐7toidentifypinnumbers.
Figure3‐8 
Figure 3-7 GPI/O Pin Numbers
Table 3-7 GPI Functions Available
Function Polarity Trigger Active State Description
VRef Either Either VReferror Nosignalorinvalidsignal.(Checkfor
propertermination.)
Metadatain1 Either Either Metadataerror InvalidsignalwhileunitisinExternal
Metadatamode.
Metadatain2 Either Either Metadataerror InvalidsignalwhileunitisinExternal
Metadatamode.
Emulatorbypass Either Either Bypass IndicatesBypassisactive.
DelayLED Either Either On Notyetimplemented.
Lt/Rtinput Either Either Enabled IndicatesLt/Rtinputisactive.
Dim/mute
a
a AvailableonlyinunitswiththeCat.No.548AnalogOutputCard.
Either Either Enabled IndicatesDimGainsettingisactive.
SurroundEX Either Either EXon IndicatesSurroundEXisactive.
ProLogic Either Either ProLogicon IndicatesProLogicisactive.
Lspeakermute
a
Either Either Mute IndicatesMuteisactive.
Rspeakermute
a
Either Either Mute IndicatesMuteisactive.
Cspeakermute
a
Either Either Mute IndicatesMuteisactive.
SWspeakermute
a
Either Either Mute IndicatesMuteisactive.
Lsspeakermute
a
Either Either Mute IndicatesMuteisactive.
Rsspeakermute
a
Either Either Mute IndicatesMuteisactive.
Bsspeakermute
a
Either Either Mute IndicatesMuteisactive.
SpeakerSelect
(Multi,Stereo,Mono)
a
Either Either Speakerselected Indicateswhichspeakerisselected.
ProgramSelect(1–8) Either Either Enabled Indicateswhichprogramisselected.
PresetSelect(1–32) Either Either Enabled Indicateswhichpresetisselected.
DownmixMode
(Full,Stereo,Mono,
Phant,3‐Stereo)
Either Either Enabled Indicateswhichmodeisselected.
DynamicRange
ControlMode
(Line,RF,Custom)
Either Either Enabled Indicateswhichcompressionmodeis
selected.
ReferenceLevel
a

Either Level 0dB IndicatesMasterVolume=0dB.
GP I/O
1
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