Denon AVR 888 - AV Receiver User manual

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DENON AVR control protocol

Ver. 5.4.0

Application model : AVR-888

Application terminal: RS-232C

Connector specification

Ⅰ. RS-232C

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)

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Protocol specification

The following three data forms are defined.

COMMAND : The message sent to a system(AVR) 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)

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.

RESPONSE : The message sent to a controller (Touch Panel etc.) from a system (AVR)

if the ‘request command’ (COMMAND+?+CR(0x0D)) has came from a controller.

The RESPONSE should be sent within 200ms of receiving the COMMAND.

*The form of RESPONSE presupposes that it is the same as that of EVENT.

Basic specification: The command by ASCII CODE, parameter expression

*ASCII CODE which can be used is from 0x20 to 0x7F: the alphabet and the number of 0-9, and space (0x20), some signs,

AND carriage return (0x0D) --- It is used only as a pause sign.

Command structure: COMMAND + PARAMETER + CR (0x0D)

COMMAND: ASCII CODE of 2 characters

Ex. SI : Select Input source

MS : surround Mode Setting

MV : Master Volume setting

PW : system PoWer setting

PARAMETER : ASCII CODE ( up to 25 characters)

ex. DVD : function name

SUPER STADIUM : surround mode name

*Special Parameter--- ? : for request command

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The example of a command * <CR> is the meaning of 0x0D.

SIDVD<CR> : Select Input source DVD

MSSTEREO<CR> : surround Mode Set to STEREO

MVUP<CR> : Master Volume UP

PWON<CR> : system PoWer ON

PWSTANDBY<CR> : system PoWer STANDBY

SI?<CR> : Request command for now playing input source >> Return RESPONSE ‘SI***<CR>’

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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 also the value of the channel

volume of all channels , It described in B) ) returns as EVENT.

E) When SURROUND MODE is the same in between INPUT source change before and after, EVENT of SURROUND MODE and CHANNEL VOLUME

does NOT return.

F) Although EVENT of SURROUND MODE returns when the present SURROUND MODE is set up again, CHANNEL VOLUME does NOT return.

G) When SURROUND MODE is changed, before returning SURROUND MODE after change as EVENT, the present SURROUND MODE is returned.

H) The RESPONSE should be sent as opposed to the request command by all the commands with which an EVENT exists , not need to

the another request commands(ex. SV command).

I) The PARAMETER (with COMMAND and RESPONSE, EVENT) of minimum level of MASTER VOLUME defines “99”.

J) If the MASTER VOLUME & CHANNEL VOLUME set with 0.5dB step, the PARAMETER (with COMMAND and RESPONSE, EVENT) defines three

ASCII characters as bellows.

Ex. MASTER VOLUME = +1.0dB : MV81<CR>

+0.5dB : MV805<CR>

0dB : MV80<CR>

-0.5dB : MV795<CR>

-1.0dB : MV79<CR>

| |

-79.5dB : MV005<CR>

-80.0dB : MV00<CR>

--- : MV99<CR>

* At the **.0dB step, only uses two ASCII characters as PARAMETER, same as usual.

K) Four seconds later, please transmit the next COMMAND after transmitting a power on COMMAND（PWON）.

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COMMAND and PARAMETER list

COMMAND PARAMETER function example

PW ON POWER ON/STANDBY change PWON<CR>

STANDBY PWSTANDBY<CR>

? Return PW Status PW?<CR>

MV UP MASTER VOLUME UP/DOWN , direct change to **dB MVUP<CR>

DOWN MVDOWN<CR>

** **:00 to 99 by ASCII , 80=0dB, 99=---(MIN) MV80<CR>

? Return MV Status MV?<CR>

CV FL UP CHANNEL VOLUME UP/DOWN , direct change to **dB CVFL UP<CR>

FL DOWN ---FRONT Lch CVFL DOWN<CR>

FL ** **:38 to 62 by ASCII , 50=0dB CVFL 50<CR>

FR UP CVFR UP<CR>

FR DOWN ---FRONT Rch CVFR DOWN<CR>

FR ** **:38 to 62 by ASCII , 50=0dB CVFR 50<CR>

C UP CVC UP<CR>

C DOWN ---CENTERch CVC DOWN<CR>

C ** **:38 to 62 by ASCII , 50=0dB CVC 50<CR>

SW UP CVSW UP<CR>

SW DOWN ---SUBWOOFERch CVSW DOWN<CR>

SW ** **:00,38 to 62 by ASCII , 50=0dB,00=OFF CVSW 50<CR>

SL UP CVSL UP<CR>

SL DOWN ---SURROUND Lch CVSL DOWN<CR>

SL ** **:38 to 62 by ASCII , 50=0dB CVSL 50<CR>

SR UP CVSR UP<CR>

SR DOWN ---SURROUND Rch CVSR DOWN<CR>

SR ** **:38 to 62 by ASCII , 50=0dB CVSR 50<CR>

SBL UP ---SURROUND BACK Lch (SBch 2SP) CVSBL UP<CR>

SBL DOWN CVSBL DOWN<CR>

SBL ** **:38 to 62 by ASCII , 50=0dB CVSBL 50<CR>

SBR UP ---SURROUND BACK Rch (SBch 2SP) CVSBR UP<CR>

SBR DOWN CVSBR DOWN<CR>

SBR ** **:38 to 62 by ASCII , 50=0dB CVSBR 50<CR>

MV, CV COMMAND : "*" parameter uses two or three ASCII characters. (see page4 J) section)

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COMMAND PARAMETER function example

CV SB UP ---SURROUND BACKch (SBch 1SP) CVSB UP<CR>

SB DOWN CVSB DOWN<CR>

SB ** **:00 to 99 by ASCII , 50=0dB CVSB 50<CR>

? Return CV Status CV?<CR>

MU ON OUTPUT MUTE ON/OFF change MUON<CR>

OFF MUOFF<CR>

? Return MU Status MU?<CR>

SI PHONO Select INPUT source SIPHONO<CR>

CD SICD<CR>

TUNER SITUNER<CR>

DVD SIDVD<CR>

TV/CBL SITV/CBL<CR>

VCR SIVCR<CR>

DVR SIDVR<CR>

V.AUX SIV.AUX<CR>

XM (North America model Only) SIXM<CR>

IPOD SIIPOD<CR>

AUX SIAUX<CR>

? Return SI Status SI?<CR>

ZM ON MAIN-ZONE ON/OFF change at AVR-2308 ZMON<CR>

OFF ZMOFF<CR>

? Return ZM Status ZM?<CR>

SR PHONO REC SELECT mode set , and select source SRPHONO<CR>

| ---The name of PARAMETER is |

IPOD the same as that of the time of SI COMMAND. SRIPOD<CR>

SOURCE REC SELECT mode cancel SRSOURCE<CR>

? Return SR Status SR?<CR>

CV COMMAND : "*" parameter uses two ASCII characters. (see page4 J) section)

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COMMAND PARAMETER function example

SD AUTO set AUTO mode (Priority:HDMI>>DIGITAL>>ANALOG) SDAUTO<CR>

HDMI set force HDMI INPUT mode SDHDMI<CR>

DIGITAL set force DIGITAL INPUT (Optical,Coaxial)mode SDDIGITAL<CR>

ANALOG set force ANALOG INPUT mode SDANALOG<CR>

EXT.IN-1 ---Set EXT.IN mode at AVR-2308 SDEXT.IN-1<CR>

? Return SD Status SD?<CR>

DC AUTO set DIGITAL INPUT AUTO mode DCAUTO<CR>

PCM set DIGITAL INPUT force PCM mode DCPCM<CR>

DTS set DIGITAL INPUT force DTS mode DCDTS<CR>

? Return DC Status DC?

SV DVD VIDEO SELECT mode set , and select source SVDVD<CR>

TV/CBL SVTV/CBL<CR>

VCR SVVCR<CR>

DVR SVDVR<CR>

V.AUX SVV.AUX<CR>

SOURCE VIDEO SELECT mode cancel SVSOURCE<CR>

? Return SV Status SV?<CR>

MS DIRECT Select SURROUND mode MSDIRECT<CR>

PURE DIRECT MSPURE DIRECT<CR>

STEREO MSSTEREO<CR>

STANDARD MSSTANDARD<CR>

DOLBY DIGITAL MSDOLBY DIGITAL<CR>

DTS SUROUND MSDTS SURROUND<CR>

NEURAL (North America Model Only) MSNEURAL<CR>

7CH STEREO MS7CH STEREO<CR>

ROCK ARENA MSROCK ARENA<CR>

JAZZ CLUB MSJAZZ CLUB<CR>

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COMMAND PARAMETER function example

MS MONO MOVIE MSMONO MOVIE<CR>

MATRIX MSMATRIX<CR>

VIDEO GAME MSVIDEO GAME<CR>

VIRTUAL MSVIRTUAL<CR>

? Return MS Status MS?<CR>

QUICK1 QUICK SELECT 1-3 MODE SELECT MSQUICK1<CR>

QUICK2 MSQUICK2<CR>

QUICK3 MSQUICK3<CR>

QUICK1 MEMORY USER1-3 MODE MEMORY MSQUICK1 MEMORY<CR>

QUICK2 MEMORY MSQUICK2 MEMORY<CR>

QUICK3 MEMORY MSQUICK3 MEMORY<CR>

QUICK ? Return MSQUICK Status MSQUICK ?<CR>

VS ASPNRM Set Normal mode VSASPNRM<CR>

ASPFUL Set FULL mode VSASPFUL<CR>

ASP? Return VSASPECT Status VSASP?<CR>

SC48P Set Resolution to 480p/576p VSSC48P<CR>

SC10I Set Resolution to 1080i VSSC10I<CR>

SC72P Set Resolution to 720p VSSC72P<CR>

SC10P Set Resolution to 1080p VSSC10P<CR>

SC AUTO Set Resolution to AUTO VSSCAUTO<CR>

SC? Return VSSCALE Status VSSC?<CR>

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COMMAND PARAMETER function example

PS TONE DEFEAT ON PARAMETER setting PSTONE DEFEAT ON<CR>

TONE DEFEAT OFF TONE DEFEAT ON/OFF PSTONE DEFEAT OFF<CR>

TONE DEFEAT ? Return PSTONE DEFEAT Status PSTONE DEFEAT ?<CR>

SB:MTRX ON SURROUND BACK SP MODE set PSSB:MTRX ON<CR>

SB:NON MTRX PSSB:NON MTRX<CR>

SB:PL2xCINEMA PSSB:PL2X CINEMA<CR>

SB:PL2xMUSIC PSSB:PL2X MUSIC<CR>

SB:ON PSSB:ON<CR>

SB:OFF PSSB:OFF<CR>

SB: ? Return PSSB: Status PSSB: ?<CR>

CINEMA EQ.ON CINEMA EQ. ON/OFF PSCINEMA EQ.ON<CR>

CINEMA EQ.OFF PSCINEMA EQ.OFF<CR>

CINEMA EQ. ? Return PSCINEMA EQ.Status PSCINEMA EQ. ?<CR>

MODE:MUSIC CINEMA / MUSIC / GAME / PL mode change PSMODE:MUSIC<CR>

MODE:CINEMA (This parameter can change DOLBY PL2,PL2x,NEO:6 mode.) PSMODE:CINEMA<CR>

MODE:GAME ---SB=ON：PL2x mode / SB=OFF：PL2 mode PSMODE:GAME<CR>

MODE:PRO LOGIC --- GAME can change DOLBY PL2 & PL2x mode PSMODE:PRO LOGIC<CR>

--- PL can change ONLY DOLBY PL2 mode

MODE: ? Return PSMODE: Status PSMODE: ?<CR>

ROOM EQ:AUDYSSEY ROOM EQ mode direct change PSROOM EQ:AUDYSSEY<CR>

ROOM EQ:BYP.LR PSROOM EQ:BYP.LR<CR>

ROOM EQ:FLAT PSROOM EQ:FLAT<CR>

ROOM EQ:MANUAL PSROOM EQ:MANUAL<CR>

ROOM EQ:OFF PSROOM EQ:OFF<CR>

ROOM EQ ? Return PSROOM EQ: Status PSROOM EQ: ?<CR>

BAS UP BASS UP/DOWN , direct change to **dB PSBAS UP<CR>

BAS DOWN **:00 to 99 by ASCII , 50=0dB PSBAS DOWN<CR>

BAS ** ---AVR-2308 can be operated from -6 to +6(44 to 56) PSBAS 50<CR>

BAS ? Return PSBAS Status PSBAS ?<CR>

PS COMMAND : "*" parameter uses two ASCII characters. (see page4 J) section)

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COMMAND PARAMETER function example

PS TRE UP TREBLE UP/DOWN , direct change to **dB PSTRE UP<CR>

TRE DOWN **:00 to 99 by ASCII , 50=0dB PSTRE DOWN<CR>

TRE ** ---AVR-2308 can be operated from -6 to +6(44 to 56) PSTRE 50<CR>

TRE ? Return PSTRE Status PSTRE ?<CR>

DCO OFF D.COMP direct change PSDCO OFF<CR>

DCO LOW

PSDCO LOW<CR>

DCO MID

PSDCO MID<CR>

DCO HIGH

PSDCO HIGH<CR>

DCO ? Return PSDCO Status PSDCO ?<CR>

LFE UP LFE UP/DOWN , direct change to **dB PSLEE UP<CR>

LFE DOWN

**:00 to 99 by ASCII , 00=0dB, 10=-10dB PSLFE DOWN<CR>

LFE ** ---AVR-2308 can be operated from 0 to -10 PSLFE 10<CR>

LFE ? Return PSLFE Status PSLFE ? <CR>

EFF ** EFFECT LEVEL direct change to **dB PSEFF **<CR>

**:00 to 99 by ASCII , 00=0dB, 10=10dB

---AVR-2308 can be operated from 1 to 15 PSEFF **<CR>

EFF ? Return PSEFF Status PSEFF ?<CR>

DEL UP DELAY UP/DOWN , direct change to ***dB PSDEL UP<CR>

DEL DOWN

***:000 to 999 by ASCII , 000=0ms, 300=300ms PSDEL DOWN<CR>

DEL *** ---AVR-2308 can be operated from 0 to 300 PSDEL ***<CR>

DEL ? Return PSDEL Status PSDEL ?<CR>

AFD ON AFDM ON/OFF PSAFD ON<CR>

AFD OFF

PSAFD OFF<CR>

AFD ? Return PSAFD Status PSAFD ?<CR>

PS COMMAND : "*" parameter uses two or three ASCII characters. (see page4 J) section)

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