Denon AVR-3808 User Manual
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Protocol specification
The following three data forms are defined.
COMMAND :
The message sent to a system(AVR) 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)
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)
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
SUPER STADIUM : surround mode name
*Special Parameter--- ? : for request command