Denon AVC-3890 Control Protocol PDF
Summary of Content for Denon AVC-3890 Control Protocol PDF
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DENON AVR/AVC control protocol Ver. 4.0
Application model : AVR-3805/AVC-3890 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 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. 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-1 : 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 *
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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
0dB : MV80
-79.5dB : MV005
* At the **.0dB step, only uses two ASCII characters as PARAMETER, same as usual.
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COMMAND and PARAMETER list COMMAND PARAMETER function example PW ON POWER ON/STANDBY change PWON
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
CV COMMAND : "*" parameter uses two or three ASCII characters. (see page4 J) section)
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COMMAND PARAMETER function example Z2 PHONO MULTI ZONE-2 mode set , and select source at AVR-3805 Z2PHONO
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EVENT PARAMETER function example MS DIRECT SURROUND mode set MSDIRECT
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TF, TP, TM COMMAND : '*' parameters can NOT operate when INPUT source isnt TUNER.
EVENT PARAMETER function example MS MPEG2 AAC ---Invalid at AVR model MSMPEG2 AAC
****.** MHz at FM band (<050000 is FM.) TF105000
TP UP TUNER PRESET CH UP/DOWN , direct change to No.** TPUP
(PRESET No.A1)
TM TUNER BAND , MODE Select AM ---Band set to AM TMAM
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EVENT(or RESPONSE) and PARAMETER list EVENT PARAMETER function example *RES. PW ON POWER ON/STANDBY change PWON
*RES. : NOT returns '? ' parameters as RESPONSE. MV , CV COMMAND : "*" parameter uses two or three ASCII characters. (see page4 J) section)
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EVENT PARAMETER function example *RES. ZM ON MAIN-ZONE ON/OFF change ZMON
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EVENT PARAMETER function example *RES. TF ****** (6 digits) TUNER Frequency change TF105000
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EVENT PARAMETER function example *RES. MS DIRECT SURROUND mode change MSDIRECT
+PL2x CINEMA MSM CH IN+PL2X C
MULTI CH IN +PL2x MUSIC
MSM CH IN+PL2X M
MULTI CH DIRECT MSMULTI CH DIRECT
+PL2x CINEMA MSM CH DRCT+PL2X C
MULTI CH DIRECT +PL2x MUSIC
MSM CH DRCT+PL2X M
MULTI CH PURE D MSMULTI CH PURE D
+PL2x CINEMA MSM CH PURE D+PL2X C
MULTI CH PURE D +PL2x MUSIC
MSM CH PURE D+PL2X M
DOLBY PRO LOGIC MSDOLBY PRO LOGIC
+PL2x CINEMA MSDOLBY D+PL2X C
DOLBY D +PL2x MUSIC
MSDOLBY D+PL2X M
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EVENT PARAMETER function example *RES. DTS NEO:6 CINEMA MSDTS NEO:6 C
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*RES. : NOT returns '? ' parameters as RESPONSE.
EVENT PARAMETER function example *RE
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