Canon REALiS X600 - Manual (Page 9)

User Command Specifications 2. Communication Specifications
Transmissions sent from Projector to PC in response to commands from PC
The first two characters are always :
The first character indicates the response type.
State response i:OK i:BUSY etc.
Warning w:USER_COMMAND..
Error e:000B INVALID..
Reference command response g:AVOL=10
Range request command response r:VKS=N, -50, 50
Delimiters for commands sent from PC
OK
:=i:OK
BUSY This response is sent when a command cannot be received during processing.
Wait for a few moments, and then try sending the command again.
:=i:BUSY
> IMAGE=2
< i:BUSY
WARN
:= w:
> IMAGE=2
< w:USER_COMMAND_VERSION_IS_UPDATED
ERR An error message is output.
:= e:□
※
※
> abcdefg
< e:0002 INVALID_COMMAND
GET Request response for each parameter.
:=g=
> GET LANG or ? LANG
< g:LANG=JPN
RANGE This is the settable range response for each parameter.
> RANGE CONT
< r:CONT=N, -20, 20
WARN
response
ERR
response
GET
response
RANGE
response
string>
Refer to “Error List”!
is expressed as a four-digit hexadecimal number.
g
Example:
Response
Type Type
Example:
After processing of each command is completed, a response is sent indicating that the next command
can be received.
e
This response is sent when warning information is issued. Note that this command cannot be
executed.
:= r:=,
Transmission
format
Description
i
Character strings consisting of one or more ASCII characters.
w
Meaning Response type Example
r
Example:
Example:
Example:
OK
response
BUSY
response
※ refer to the RANGE command.
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