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DENON AVR/AVC control protocol
Ver. 4.0
Application model : AVR-3805/AVC-3890
Application terminal : RS-232C
Connector specification
Connector type : DB-9pin female type, slave straight connection (DCE type)
( 1pin : GND , 2pin : TxD , 3pin : RxD , 5pin : Common(GND) , 4,6,7,8,9pin : NC )
Communication format :
Synchronous system : Tone step synchronization
communication system : A half duplex
Communication speed : 9600bps
Character length : 8 bits
Parity cont
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Protocol specification The following three data forms is defined. COMMAND : The message sent to a system(AVR/AVC) from a controller(Touch Panel etc.) A command to a system is given from a controller. EVENT : The message sent to a controller(Touch Panel etc.) from a system(AVR/AVC) The result is sent, when a system is operated directly and a state changes. *The form of EVENT presupposes that it is the same as that of COMMAND. **Refer to the following table for the c
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The example of a command * is the meaning of 0x0D. SIDVD : Select Input source DVD MSTHX SURROUND EX : surround Mode Set to THX SURROUND EX MVUP : Master Volume UP PWON : system PoWer ON PWSTANDBY : system PoWer STANDBY SI? : Request command for now playing input source >> Return RESPONSE ‘SI***’ - 3 -
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Others A) COMMAND is receivable also during transmission of EVENT. B) Since CHANNEL VOLUME changes simultaneously when the SURROUND MODE changes, the value of the channel volume of all channels returns as EVENT. C) CHANNEL VOLUME returns the data of ALL channels by the present SURROUND MODE also including an intact channel. In this case, the data of an intact channel is set to "50". D) Since SURROUND MODE changes simultaneously when the INPUT source changes, the SURROUND MODE (and al
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COMMAND and PARAMETER list COMMAND PARAMETER function example PW ON POWER ON/STANDBY change PWON STANDBY PWSTANDBY MV UP MASTER VOLUME UP/DOWN , direct change to **dB MVUP DOWN MVDOWN ** **:00 to 99 by ASCII , 80=0dB, 99=---(MIN) MV80 CV FL UP CHANNEL VOLUME UP/DOWN , direct change to **dB CVFL UP FL DOWN ---FRONT Lch CVFL DOWN FL ** **:38 to 62 by ASCII , 50=0dB CVFL 50 FR UP CVFR UP FR DOWN ---FRONT Rch CVFR DOWN
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COMMAND PARAMETER function example CV SB UP ---SURROUND BACKch (SBch 1SP) CVSB UP SB DOWN CVSB DOWN SB ** **:38 to 62 by ASCII , 50=0dB CVSB 50 MU ON OUTPUT MUTE ON/OFF change MUON OFF MUOFF SI PHONO Select INPUT source SIPHONO CD SICD TUNER SITUNER DVD SIDVD VDP SIVDP TV SITV DBS/SAT ---Select DBS function at AVR-3805 SIDBS/SAT VCR-1 SIVCR-1 VCR-2 SIVCR-2 VCR-3 ---
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COMMAND PARAMETER function example Z2 PHONO MULTI ZONE-2 mode set , and select source at AVR-3805 Z2PHONO | ---The name of PARAMETER is | CDR/TAPE1 the same as that of the time of SI COMMAND. Z2MD/TAPE2 SOURCE MULTI ZONE-2 mode cancel Z2SOURCE UP MULTI ZONE-2 VOLUME UP/DOWN , direct change to ***dB Z2UP DOWN Z2DOWN ** **:00 to 99 by ASCII , 80=0dB, 99=---(MIN) Z280 ON MULTI ZONE-2 ON/OFF change at AVR-3805 Z2ON OFF Z2OF
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EVENT PARAMETER function example MS DIRECT SURROUND mode set MSDIRECT PURE DIRECT MSPURE DIRECT STEREO MSSTEREO MULTI CH IN MSMULTI CH IN MULTI CH DIRECT MSMULTI CH DIRECT MULTI CH PURE D MSMULTI CH PURE D DOLBY PRO LOGIC All are received as "DOLBY SURROUND" , MSDOLBY PRO LOGIC DOLBY PL2 the surround mode which changed return as EVENT. MSDOLBY PL2 DOLBY PL2x MSDOLBY PL2X DOLBY DIGITAL MSDOLBY DIGITAL DO
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EVENT PARAMETER function example MS MPEG2 AAC ---Invalid at AVR model MSMPEG2 AAC AAC+DOLBY EX ---Invalid at AVR model MSAAC+DOLBY EX PS TONE DEFEAT ON PARAMETER setting PSTONE DEFEAT ON TONE DEFEAT OFF TONE DEFEAT ON/OFF PSTONE DEFEAT OFF SB:MTRX ON SURROUND BACK SP MODE set PSSB:MTRX ON SB:NON MTRX ---MTRX ON = SURR.EX ON = DSCRT ON PSSB:NON MTRX SB:PL2xCINEMA (@THX) (@ES DSCRT) PSSB:PL2X CINEMA SB:PL2xMUSIC
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EVENT(or RESPONSE) and PARAMETER list EVENT PARAMETER function example *RES. PW ON POWER ON/STANDBY change PWON STANDBY PWSTANDBY MV ** MASTER VOLUME change , **:00 to 98 by ASCII MV80 98 = +18dB(MAX) 80 = 0dB 00 = -80dB 99 = ---(MIN) CV FL ** CHANNEL VOLUME change , **:38 to 62 by ASCII CVFL 50 FR ** 62 = +12dB(MAX) CVFR 50 C ** 50 = 0dB CVC 50 SW ** 38 = -12d
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EVENT PARAMETER function example *RES. ZM ON MAIN-ZONE ON/OFF change ZMON OFF ZMOFF Z1 PHONO MULTI ZONE-3 source change Z1PHONO | ---The name of PARAMETER is | CDR/TAPE1 the same as that of the time of SI COMMAND. Z1MD/TAPE2 SOURCE MULTI ZONE-3 mode cancel Z1SOURCE ** MULTI ZONE-3 VOLUME change , **:00 to 99 by ASCII Z180 ? 98 = +18dB(MAX) 80 = 0dB 10 = -70dB 99 = ---(MIN) ON
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EVENT PARAMETER function example *RES. TF ****** (6 digits) TUNER Frequency change TF105000 --- ****.** kHz at AM band (1050.00kHz at AM) ****.** MHz at FM band TP **(PRESET No.) TUNER PRESET change to No.** TPA1 (PRESET No.”A1”) TM TUNER BAND , MODE change AM ---Band set to AM TMAM ? FM ---Band set to FM TMFM ? AUTO ---Tuning mode set to AUTO mode TMAUTO MANUAL ---Tuning mode set to MANUAL mode TMMANUAL *RES. : NOT
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EVENT PARAMETER function example *RES. MS DIRECT SURROUND mode change MSDIRECT PURE DIRECT MSPURE DIRECT STEREO MSSTEREO MULTI CH IN MSMULTI CH IN MULTI CH IN MSM CH IN+PL2X C +PL2x CINEMA MULTI CH IN MSM CH IN+PL2X M +PL2x MUSIC MULTI CH DIRECT MSMULTI CH DIRECT MULTI CH DIRECT MSM CH DRCT+PL2X C +PL2x CINEMA MULTI CH DIRECT MSM CH DRCT+PL2X M +PL2x MUSIC MULTI CH PURE D MSMULTI CH PURE D MULTI
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EVENT PARAMETER function example *RES. DTS NEO:6 CINEMA MSDTS NEO:6 C DTS NEO:6 MUSIC MSDTS NEO:6 M DTS SURROUND MSDTS SURROUND DTS ES DSCRT6.1 MSDTS ES DSCRT6.1 DTS ES MTRX6.1 MSDTS ES MTRX6.1 DTS+PL2x CINEMA MSDTS+PL2X C DTS+PL2x MUSIC MSDTS+PL2X M DOLBY H/P ---Invalid at AVR-3805 MSDOLBY H/P DTS+DOLBY H/P ---Invalid at AVR-3805 MSDTS+DOLBY H/P HOME THX CINEMA ---Invalid at AVR-3805 MSHOME THX CINEMA
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EVENT PARAMETER function example *RES. PS ROOM EQ:NORMAL ROOM EQ mode change PSROOM EQ:NORMAL ? ROOM EQ:FRONT PSROOM EQ:FRONT ? ROOM EQ:FLAT PSROOM EQ:FLAT ? ROOM EQ:MANUAL PSROOM EQ:MANUAL ? ROOM EQ:OFF PSROOM EQ:OFF ? *RES. : NOT returns '? ' parameters as RESPONSE. - 15 -
