Canon SX 50 Bedienungsanleitung PDF herunterladen (Seite 11)

Projector User Commands

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Revision Histor

/ Date Chan

es Revised b

roved b

Response

Transmissions sent from Projector to PC in response to commands from PC.

Transmissionformat

Character strings consisting of one or more ASCII characters.

The first two characters are always <one lowercase letter>:

The first character indicates the response type.

Response type Meaning Example

i State response i:OK i:BUSY etc.

w Warning w:USER_COMMAND..

e Error e:000B INVALID..

g Reference command response g:AVOL=10

r Range request command response r:VKS=N, -50, 50

Delimiters for commands sent from PC.

Type

OK response After processing of each command is completed, a response is sent indicating that the next

command can be received.

<OK response character string>:=i:OK

BUSY response This response is sent when a command cannot be received during processing. Wait for a few

moments, and then try sending the command again.

<BUSY response character string>:=i:BUSY

Example: > IMAGE=2

< i:BUSY

WARN response This response is sent when warning information is issued.

Note that this command cannot be executed.

Example: > IMAGE=2

< w:USER_COMMAND_VERSION_IS_UPDATED

ERR response An error message is output.

* <Error code> is expressed as a four-digit hexadecimal number.

* Refer to “Error List”!

Example: > abcdefg

< e:0002 INVALID_COMMAND

GET response Request response for each parameter.

Example: > GET LANG or ? LANG

< g:LANG=JPN

RANGE response This is the settable range response for each parameter.

<Range response character string> := r:<Parameter name>=<Type>, <Setting

value range>

* <For <Setting value range> refer to the RANGE command.

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