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Denon AVR-4802 Control Protocol
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Denon AVR-4802 Control Protocol

Denon AVR-4802 Control Protocol

Serial protocol
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DENON AVR/AVC control protocol
Application model : AVR-4802(AVC-A11SR)
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
communication system
Communication speed
Character length
Parity control
Start bit
Stop bit
Communication procedure
Communication data length
: Tone step synchronization
: A half duplex
: 9600bps
: 8 bits
: None
: 1 bit
: 1 bit
: Non procedural
: 135 bytes (maximum)
- 1 -
Ver. 3.11

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Summary of Contents for Denon AVR-4802

  • Page 1 DENON AVR/AVC control protocol Ver. 3.11 Application model : AVR-4802(AVC-A11SR) 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 )
  • Page 2 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.
  • Page 3 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>...
  • Page 4 COMMAND and PARAMETER list COMMAND PARAMETER function example POWER ON/STANDBY change PWON<CR> STANDBY PWSTANDBY<CR> MASTER VOLUME UP/DOWN , direct change to ***dB MVUP<CR> DOWN MVDOWN<CR> **:38 to 62 by ASCII , 80=0dB MV80<CR> FL UP CHANNEL VOLUME UP/DOWN , direct change to ***dB CVFL UP<CR>...
  • Page 5 MULTI ZONE-1 mode cancel Z1SOURCE<CR> MULTI ZONE-1 VOLUME UP/DOWN , direct change to ***dB Z1UP<CR> DOWN Z1DOWN<CR> **:00 to 99 by ASCII , 80=0dB Z180<CR> MULTI ZONE-1 ON/OFF change Z1ON<CR> Z1OFF<CR> ---Set MULTI ZONE functions at AVR-4802 - 5 -...
  • Page 6 DIGITAL INPUT force DTS mode SDDTS<CR> set DIGITAL INPUT force RF mode SDRF<CR> ANALOG set force ANALOG INPUT mode SDANALOG<CR> EXT.IN-1 set EXT.IN-1 mode ---Set EXT.IN mode at AVR-4802 SDEXT.IN-1<CR> EXT.IN-2 set EXT.IN-2 mode ---Invalid at AVR-4802 SDEXT.IN-2<CR> - 6 -...

  • Page 7: Dolby Pro Logic

    EVENT PARAMETER function example DIRECT SURROUND mode set MSDIRECT<CR> PURE DIRECT MSPURE DIRECT<CR> STEREO MSSTEREO<CR> DOLBY PRO LOGIC All are received as "DOLBY SURROUND" , MSDOLBY PRO LOGIC<CR> DOLBY PL2 the surround mode which changed return as EVENT. MSDOLBY PL2<CR> DOLBY DIGITAL MSDOLBY DIGITAL<CR>...
  • Page 8 EVENT PARAMETER function example TONE DEFEAT ON PARAMETER setting PSTONE DEFEAT ON<CR> TONE DEFEAT OFF TONE DEFEAT ON/OFF PSTONE DEFEAT OFF<CR> SB:MTRX ON SURROUND BACK SP MODE set PSSB:MTRX ON<CR> SB:NON MTRX ---MTRX ON = SURR.EX ON = DSCRT ON PSSB:NON MTRX<CR>...
  • Page 9 SIPHONO<CR> SICD<CR> TUNER SITUNER<CR> SIDVD<CR> SIVDP<CR> SITV<CR> DBS/SAT SIDBS/SAT<CR> VCR-1 SIVCR-1<CR> VCR-2 SIVCR-2<CR> VCR-3 SIVCR-3<CR> V.AUX SIV.AUX<CR> CDR/TAPE1 ---means CDR/TAPE function at AVR-4802 SICDR/TAPE1<CR> MD/TAPE2 ---Invalid at AVR-4802 SIMD/TAPE2<CR> *RES. : NOT returns '*' parameters as RESPONSE. - 9 -...
  • Page 10 80 = 0dB 10 = -70dB 00 = ---(MIN) MULTI ZONE-1 ON/OFF change Z1ON<CR> Z1OFF<CR> ---means MULTI ZONE functions at AVR-4802 PHONO MULTI ZONE-2 source change Z2PHONO<CR> ---The name of PARAMETER is MD/TAPE2 the same as that of the time of SI COMMAND.
  • Page 11 EVENT PARAMETER function example *RES. **(PRESET No.) TUNER PRESET change to No.** TPA1<CR> (PRESET No.”A1”) TUNER BAND , MODE change ---Band set to AM TMAM<CR> ---Band set to FM TMFM<CR> AUTO ---Tuning mode set to AUTO mode TMAUTO<CR> MANUAL ---Tuning mode set to MANUAL mode TMMANUAL<CR>...

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Avc-a11sr