Barco CTWQ-51B Bedienungsanleitung PDF herunterladen (Seite 6)

Communication protocoll Rev. 1.2

Acknowledge/Response

Acknowledge is optional and ON by default. Auto acknowledge can be turned on and off with ECHO commad. It can also be activated

on a per command basis using modiﬁer A.

ACK ADDRESS SEP COMMAND SEP VALUE TERM

1 byte 3 bytes 1 byte 4 bytes 1 byte 6 bytes 1 byte

Field Description Comment

ACK ASCII character ‘%’ Always

SEP ASCII space Always

VALUE 6 bytes return value Always

TERM Termination char 0x0D (CR) Always

Most commands value returns the actual value of the requested command. If the requested command is not valid the response may

include an error message.

Code Error message Description

!00001 Access denied Current access level is too low

!00002 Not available Command currently not available

Example:

Contrast is not available when the

projector is searching for sources

!00003 Not implemented Command to implemented

!00004 Value out of range Value out of range

Some commands could return a value that is more than 6 characters, for instance strings.

Code Extended info Description

e00001 Extended info, string A description string follows

Example:

> :seri ?

> %001 SERI e00001 07010001

Examples

The protocol accepts one single SPACE between ﬁelds, or no SPACE between ﬁelds.

‘CR’ ASCII value carriage return, hex value 0x0D.

SET-commands

SET POWER ON

: P O W R 1 ‘CR’

:POWR1’CR’

ACKNOWLEDGE POWER ON

% 0 0 1 P O W R 0 0 0 0 0 1 ‘CR’

%001 POWR 000001’CR’

SET BRIGHTNESS TO 60

: B R I G 6 0 ‘CR’

:BRIG 60’CR’

ACKNOWLEDGE BRIGHTNESS

% 0 0 1 B R I G 0 0 0 0 6 0 ‘CR’

%001 BRIG 000060’CR’

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