Denon S-302 - AV System User manual

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DENON AVR/AVC control protocol
Ver. 6.3
Application model :S-302
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)

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Protocol specification
The following three data forms are 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.
RESPONSE : The message sent to a controller(Touch Panel etc.) from a system(AVR/AVC)
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
CDR/TAPE : function name
THX SURROUND EX : surround mode 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
MSTHX SURROUND EX<CR> : surround Mode Set to THX SURROUND EX
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 (AMP)
COMMAND PARAMETER function example
PW ON POWER ON/STANDBY change PWON<CR>
STANDBY PWSTANDBY<CR>
? Request 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>
? Request 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>
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>
? Request CV Status CV?<CR>
MU ON OUTPUT MUTE ON/OFF change MUON<CR>
OFF MUOFF<CR>
? Request MU Status MU?<CR>
MV , CV COMMAND : "*" parameter uses two or three ASCII characters. (see page6 (J) section)

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COMMAND PARAMETER function example
SI DVD Select INPUT source SIDVD<CR>
TUNER SITUNER<CR>
VCR-1 (AUX1) SIVCR-1<CR>
VCR-2 (AUX2) SIVCR-2<CR>
CDR/TAPE1 (AUX3) SICDR/TAPE1<CR>
V.AUX (FRONT IN) SIV.AUX<CR>
NET/USB SINET/USB<CR>
IPOD SIIPOD<CR>
OPTICAL SIOPTICAL<CR>
COAXIAL SICOAXIAL<CR>
? Request SI Status SI?<CR>
SD AUTO set DIGITAL INPUT AUTO mode SDAUTO<CR>
PCM set DIGITAL INPUT PCM mode SDPCM<CR>
DTS set DIGITAL INPUT DTS mode SDDTS<CR>
ANALOG set force ANALOG INPUT mode SDANALOG<CR>
MS STEREO SURROUND mode set MSSTEREO<CR>
ROCK ARENA MSROCK ARENA<CR>
JAZZ CLUB MSJAZZ CLUB<CR>
DOLBY H/P MSDOLBY H/P<CR>
DVS REF. MSDVS REF.<CR>
DVS WIDE MSDVS WIDE<CR>
? Return MS Status MS?<CR>

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EVENT(or RESPONSE) and PARAMETER list (AMP)
EVENT PARAMETER function example
PW ON POWER ON/STANDBY change PWON<CR>
STANDBY PWSTANDBY<CR>
MV ** MASTER VOLUME change, **:00 to 99 by ASCII MV80<CR>
98 = +18dB(MAX)
80 = 0dB
10 = -70dB
00 = -80dB
99 = ---(MIN)
CV FL ** CHANNEL VOLUME change, **:00 to 62 by ASCII CVFL **<CR>
CVFR 50<CR>
CVSW 50<CR>
FR ** 62 = +12dB(MAX), 38 = -12dB(MIN) CVFL 50<CR>
CVFR **<CR>
CVSW 50<CR>
SW ** 50 = 0dB CVFL 50<CR>
CVFR 50<CR>
CVSW **<CR>
MU ON OUTPUT MUTE ON/OFF change MUON<CR>
OFF MUOFF<CR>
SI DVD INPUT source change SIDVD<CR>
TUNER SITUNER<CR>
VCR-1 SIVCR-1<CR>
VCR-2 SIVCR-2<CR>
CDR/TAPE1 SICDR/TAPE1<CR>
NET/USB SINET/USB<CR>
IPOD SIIPOD<CR>
V.AUX SIV.AUX<CR>
SD ※1
AUTO DIGITAL INPUT mode change SDAUTO<CR>
PCM SDPCM<CR>
DTS SDDTS<CR>
ANALOG SDANALOG<CR>
MS STEREO SURROUND mode change MSSTEREO<CR>

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ROCK ARENA MSROCK ARENA<CR>
JAZZ CLUB MSJAZZ CLUB<CR>
DOLBYH/P MSDOLBYH/P<CR>
DVS REF.+PL2 C MSDVS REF.+PL2 C
DVS WIDE+PL2 C MSDVS WIDE+PL2 C
The PARAMETER of MV , CV EVENT : Uses two ASCII characters. (see page 6 J) section)
※1：SD COMMAND is no RESPONSE.

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COMMAND and PARAMETER list (TUNER)
COMMAND PARAMETER function example
TF UP TUNER Frequency UP/DOWN TFUP<CR>
DOWN TFDOWN<CR>
******
(6 digits) --- ****.** kHz at AM band (>050000 is AM.) ****.** MHz at FM band (<050000 is FM.) TF105000<CR> (1050.00kHz at AM)
? Return TF Status TF?<CR>
TP UP TUNER PRESET CH UP/DOWN , direct change to No.** TPUP<CR>
DOWN TPDOWN<CR>
**(PRESET No.) TP10<CR>
(PRESET No.”10”)
? Return TP Status TP?<CR>
TM TUNER BAND , MODE Select
AM ---Band set to AM TMAM<CR>
FM ---Band set to FM TMFM<CR>
? Return TM Status TM?<CR>
AUTO ---Tuning mode set to AUTO mode TMAUTO<CR>
MANUAL ---Tuning mode set to MANUAL mode TMMANUAL<CR>
TF COMMAND : '*' parameters can NOT operate when INPUT source isn’t TUNER.



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EVENT(or RESPONSE) and PARAMETER list (TUNER)
EVENT PARAMETER function example
TF AN******
(6 digits) TUNER Frequency change TFAN105000<CR>
--- ****.** kHz at AM band (1050.00kHz at AM)
****.** MHz at FM band
TP AN**(PRESET No.) TUNER PRESET change to No.** TPANA1<CR>
(PRESET No.”A1”)
TM TUNER BAND , MODE change
ANAM ---Band set to AM TMANAM<CR>
ANFM ---Band set to FM TMANFM<CR>
ANAUTO ---Tuning mode set to AUTO mode TMANAUTO<CR>
ANMANUAL ---Tuning mode set to MANUAL mode TMANMANUAL<CR>