Denon AVR-3805 Manual Do Utilizador

Página de 15
 
- 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.  
 
 
 
*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