Denon AVR-4802 Control Protocol

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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>’
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).

Denon AVR-4802 Specifications

General

Impedance	8 ohms
Frequency Response	10 Hz - 100 kHz (+1, -3 dB)
THD	0.05%
Signal-to-Noise Ratio	100 dB
Surround Sound	Dolby Digital, DTS, Dolby Pro Logic II
Component Video Inputs	3
Digital Inputs	5 (3 Optical, 2 Coaxial)
Type	AV Receiver
Channels	7.1
Input Impedance	47 kOhms
Input Sensitivity	200 mV
Inputs	5 Digital (3 Optical, 2 Coaxial)
Outputs	composite video, component video, optical digital
Audio D/A Converter	24-bit/192kHz