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

Denon AVR-4802R Control Protocol

Avr/avc
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DENON AVR/AVC control protocol
Application model : AVR-4802R
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. 3.7

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Summary of Contents for Denon AVR-4802R

  • Page 1 DENON AVR/AVC control protocol Application model : AVR-4802R 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

    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 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>’ Others A) COMMAND is receivable also during transmission of EVENT.
  • Page 4 COMMAND and PARAMETER list COMMAND PARAMETER STANDBY DOWN FL UP FL DOWN FL ** FR UP FR DOWN FR ** C UP C DOWN C ** SW UP SW DOWN SW ** SL UP SL DOWN SL ** SR UP SR DOWN SR ** SBL UP...
  • Page 5 MULTI ZONE-1 mode cancel MULTI ZONE-1 VOLUME UP/DOWN , direct change to ***dB Z1UP<CR> **:00 to 99 by ASCII , 80=0dB, 99=---(MIN) MULTI ZONE-1 ON/OFF change ---Set MULTI ZONE functions at AVR-4802R - 5 - example CVSB UP<CR> CVSB DOWN<CR>...
  • Page 6 DIGITAL INPUT force PCM mode set DIGITAL INPUT force DTS mode set DIGITAL INPUT force RF mode set force ANALOG INPUT mode set EXT.IN-1 mode ---Set EXT.IN mode at AVR-4802R set EXT.IN-2 mode ---Invalid at AVR-4802R - 6 - example Z2PHONO<CR>...
  • Page 7 EVENT PARAMETER DIRECT SURROUND mode set PURE DIRECT STEREO MULTI CH IN MULTI CH DIRECT MULTI CH PURE D DOLBY PRO LOGIC All are received as "DOLBY SURROUND" , DOLBY PL2 DOLBY DIGITAL DOLBY D EX 6.1 SURROUND Same as "DOLBY D EX" DTS NEO:6 All are received as "DTS SURROUND"...
  • Page 8 CINEMA EQ. ON/OFF CINEMA / MUSIC /PL mode change (This parameter can change DOLBY PL2,NEO:6 mode.) ---Invalid at AVR-4802R --- EMU. & PL can change ONLY DOLBY PL2 mode. TUNER Frequency UP/DOWN , direct change ****.** MHz at FM band (<050000 is FM.) TUNER PRESET CH UP/DOWN , direct change to No.**...
  • Page 9 00 = OFF (define ONLY SWch in DIRECT mode.) (at SBch 2SP) (at SBch 2SP) (at SBch 1SP) OUTPUT MUTE ON/OFF change INPUT source change ---means CDR/TAPE function at AVR-4802R ---Invalid at AVR-4802R - 9 - example *RES. PWON<CR> PWSTANDBY<CR>...
  • Page 10 98= +18dB(MAX) 80 = 0dB 10 = -70dB 99 = ---(MIN) MULTI ZONE-2 ON/OFF change ---Invalid at AVR-4802R REC SELECT source change ---The name of PARAMETER is the same as that of the time of SI COMMAND. REC SELECT mode cancel...
  • Page 11 EVENT PARAMETER ****** (6 digits) TUNER Frequency change **(PRESET No.) AUTO MANUAL function --- ****.** kHz at AM band ****.** MHz at FM band TUNER PRESET change to No.** TUNER BAND , MODE change ---Band set to AM ---Band set to FM ---Tuning mode set to AUTO mode ---Tuning mode set to MANUAL mode - 11 -...
  • Page 12 EVENT PARAMETER DIRECT SURROUND mode change PURE DIRECT STEREO MULTI CH IN MULTI CH DIRECT MULTI CH PURE D DOLBY PRO LOGIC DOLBY PL2 DOLBY DIGITAL DOLBY D EX 6.1 SURROUND DTS NEO:6 DTS SURROUND DTS ES DSCRT6.1 DTS ES MTRX6.1 HOME THX CINEMA THX5.1 THX U2 CINEMA...