Scope RS232 Manual do Utilizador descarregar pdf (Página 4)

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’

1 2 3 4 5 6 7 8 9 ... 13 14

Sem comentários

Scope RS232 Manual do Utilizador Página 4