Protocol Specs

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DENON AVR/AVC control protocol

Ver. 4.8.0

Application model : AVR-2307ci

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 control : None

Start bit : 1 bit

Stop bit : 1 bit

Communication procedure : Non procedural

Communication data length : 135 bytes (maximum)

Summary of content (23 pages)

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DENON AVR/AVC control protocol Ver. 4.8.
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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 contents of COMMAND and EVENT.
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The example of a command * is the meaning of 0x0D.
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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".
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COMMAND and PARAMETER list PARAMETER function example ON POWER ON/STANDBY change PWON STANDBY PWSTANDBY ? Request PW Status PW? MV UP MASTER VOLUME UP/DOWN , direct change to **dB MVUP DOWN MVDOWN ** **:00 to 99 by ASCII , 80=0dB, 99=---(MIN) MV80 ? Request MV Status MV? 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 FR ** **
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PARAMETER function SB UP ---SURROUND BACKch (SBch 1SP) SB DOWN SB ** **:38 to 62 by ASCII , 50=0dB ? Request CV Status MU ON OUTPUT MUTE ON/OFF change OFF ? Request MU Status SI PHONO Select INPUT source CD TUNER DVD ---Select DVD/VDP function at AVR2307 VDP ---Invalid at AVR2307 TV ---Select TV/DBS function at AVR2307 DBS/SAT ---Invalid at AVR2307 VCR-1 VCR-2 VCR-3 ---Invalid at AVR2307 V.
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PARAMETER function PHONO MULTI ZONE-2 mode set , and select source at AVR2307 | ---The name of PARAMETER is CDR/TAPE the same as that of the time of SI COMMAND.
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EVENT SD SV MS PARAMETER AUTO PCM DTS ANALOG EXT.IN-1 EXT.IN-2 ? DVD VDP TV DBS/SAT VCR-1 VCR-2 VCR-3 V.AUX AUXIPOD SOURCE ? DIRECT PURE DIRECT STEREO MULTI CH IN MULTI CH DIRECT MULTI CH PURE D DOLBY PRO LOGIC DOLBY PL2 DOLBY PL2x DOLBY DIGITAL DOLBY D EX DTS NEO:6 DTS SURROUND DTS ES DSCRT6.1 DTS ES MTRX6.1 function set DIGITAL INPUT AUTO mode set DIGITAL INPUT force PCM mode set DIGITAL INPUT force DTS mode set force ANALOG INPUT mode ---Set EXT.
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EVENT MS PARAMETER DOLBY H/P DTS+DOLBY H/P HOME THX CINEMA THX5.1 THX U2 CINEMA THX MUSIC MODE THX GAMES MODE THX6.
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EVENT PS PARAMETER TONE DEFEAT ON TONE DEFEAT OFF TONE DEFEAT ? SB:MTRX ON SB:NON MTRX SB:PL2xCINEMA SB:PL2xMUSIC SB:OFF SB: ? CINEMA EQ.ON CINEMA EQ.OFF CINEMA EQ.
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EVENT TF TP PARAMETER Function UP TUNER Frequency UP/DOWN , direct change DOWN ****** (6 digits) --- ****.** kHz at AM band (>050000 is AM.) ****.** MHz at FM band (<050000 is FM.) XM*** (3 digits) --- *** CH at XM band (North America model Only) ? UP DOWN **(PRESET No.) Request TF Status TUNER PRESET CH UP/DOWN , direct change to No.
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※iPod Extended Control EVENT IP IPA IPE PARAMETER 90 91 92 93 94 9A 9C 9D 9E 9F 9G 9H 9I 9J 9K 9L 9M 9N 9P 9Q Function “Cursor Up” Control “Cursor Down” Control “Cursor Left” Control “Cursor Right” Control “Enter (Play/Pause)” Control “Play/Pause” Control “Stop” Control “Skip Plus” Control “Skip Minus” Control “Manual Search Plus” Control “Manual Search Minus” Control “Repeat One” Control “Repeat All” Control “Repeat Off” Control “Shuffle Songs” Control “Shuffle Album” Control “Shuffle Off” Control “MEN
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※Cursor/Enter/Setup/Parameter EVENT SS PARAMETER CUP CDN CLT CRT ENT MEN MEN MEN MEN PS ON OFF ON OFF Function “Cursor Up” Control “Cursor Down” Control “Cursor Left” Control “Cursor Right” Control “Enter” Control “System Setup Menu ON” Control “System Setup Menu OFF” Control “Surround Parameter Menu ON” Control “Surround Parameter Menu OFF” Control example SSCUP SSCDN SSCLT SSCRT SSENT SSMEN ON SSMEN OFF PSMEN ON PSMEN OFF ※Remote Lock/Panel Lock EVENT SY PARAMETE
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EVENT(or RESPONSE) and PARAMETER list EVENT PW MV CV PARAMETER ON STANDBY ** FL ** FR ** C ** SW ** SL ** SR ** SBL ** SBR ** SB ** SI PHONO CD TUNER DVD VDP TV DBS/SAT VCR-1 VCR-2 VCR-3 V.AUX CDR/TAPE The '*' PARAMETER of MV, CV EVENT Function POWER ON/STANDBY change MASTER VOLUME change , **:00 to 99 by ASCII 98 = +18dB(MAX) 80 = 0dB 00 = -80dB 99 = ---(MIN) CHANNEL VOLUME change , **:00,38 to 62 by ASCII 62 = +12dB(MAX) 50 = 0dB 38 = -12dB(MIN) 00 = OFF (define ONLY SWch in DIRECT mode.
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EVENT MU ZM Z2 Z2MU Z3 (Invalid at AVR2307) PARAMETER ON OFF ON OFF PHONO | CDR/TAPE SOURCE ** ON OFF ON OFF PHONO | CDR/TAPE SOURCE ** function OUTPUT MUTE ON/OFF change MAIN-ZONE ON/OFF change MULTI ZONE-2 source change ---The name of PARAMETER is the same as that of the time of SI COMMAND.
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EVENT SR SV SD PARAMETER PHONO | CDR/TAPE SOURCE DVD VDP TV DBS/SAT VCR-1 VCR-2 VCR-3 V.AUX AUXIPOD SOURCE AUTO PCM DTS ANALOG EXT.IN-1 EXT.IN-2 function REC SELECT source change ---The name of PARAMETER is the same as that of the time of SI COMMAND. REC SELECT mode cancel VIDEO SELECT mode set , and select source ---Invalid at AVR2307 ---Invalid at AVR2307 ---Invalid at AVR2307 ---Invalid at AVR2307 VIDEO SELECT mode cancel INPUT mode change ---Set EXT.
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EVENT TF TP PARAMETER function ****** (6 digits) TUNER Frequency change --- ****.** kHz at AM band ****.** MHz at FM band XM*** (3 digits) --- *** CH at XM band (North America model Only) **(PRESET No.) TM AM FM XM AUTO MANUAL CH NAME ******** (8 digit) ARTIST **************** (16 digit) TITLE **************** (16 digit) XMID ******** (8 digit) SIGNAL GOOD SIGNAL WEAK SIGNAL MARGINAL SIGNAL NOSIGNAL TUNER PRESET change to No.** example TF105000 (1050.
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EVENT MS PARAMETER function DIRECT SURROUND mode change PURE DIRECT STEREO MULTI CH IN M CH IN+PL2X C M CH IN+PL2X M MULTI CH IN 7.1 MULTI CH DIRECT M CH DRCT+PL2X C M CH DRCT+PL2X M MULTI CH DIRECT 7.1 MULTI CH PURE D M CH PURE D+PL2X C M CH PURE D+PL2X M MULTI CH PURE D 7.
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EVENT MS PARAMETER DTS NEO:6 C DTS NEO:6 M DTS SURROUND DTS ES DSCRT6.1 DTS ES MTRX6.1 DTS+PL2x C DTS+PL2x M DOLBY H/P DTS+DOLBY H/P PL2x C+THX PL2 C+THX PL+THX NEO:6 C+THX THX5.1 THX U2 CINEMA THX MUSIC MODE THX GAMES MODE THX6.
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EVENT MS PS PARAMETER VIRTUAL NEURAL MPEG2 AAC AAC+DOLBY EX AAC+PL2x C AAC+PL2x M DSD DIRECT DSD PURE DIRECT DSD MULTI DRCT DSD MULTI PURE USER1 USER2 USER3 USER0 TONE DEFEAT ON TONE DEFEAT OFF SB:MTRX ON SB:NON MTRX SB:PL2xC SB:PL2xM SB:OFF SB:ESDSCRT SB:ESMTRX SB:ON SB:MUSIC SB:DSCRT ON CINEMA EQ.ON CINEMA EQ.
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EVENT PS PARAMETER ROOM EQ:NORMAL ROOM EQ:FRONT ROOM EQ:MANUAL ROOM EQ:OFF DELAY *** NIGHT:ON NIGHT:OFF function ROOM EQ mode direct change AUDIO DELAY change, ***:000 to 999 by ASCII ---AVR2307：200=200ms（MAX） 100=100ms, 000=0ms NIGHT mode ON/OFF change - 21 - example PSROOM EQ:NORMAL PSROOM EQ:FRONT PSROOM EQ:FLAT PSROOM EQ:MANUAL PSDELAY 200 PSNIGHT:ON PSNIGHT:OFF
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iPod Extended Control EVENT PARAMETER IPA 0 1 2 3 4 5 6 7 8 function Onscreen Display Information(iPOD) is Answered By the IPA Command.
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EVENT PARAMETER IPE 0 1 2 3 4 5 6 7 8 function Onscreen Display Information(iPOD) is Answered By the IPA Command.