Rigol DS1000MD Manual do Utilizador descarregar pdf (Página 77)

RIGOL

Programming Guide for DS1000/DS1000CA Series

2-69

Explanation:

The command is to set the video polarity to “Positive” or “Negative”.

Query Format:

:TRIGgervALTernation:VIDEO:POLarity?

Returned Format:

Query returns “POSITIVE” or “NEGATIVE”. The double quotes are not returned.

Example:

:TRIGger:ALTernation:VIDEO:POLarity□POSitive

Set the video polarity as “Positive”.

:TRIGger:ALTernation:VIDEO:POLarity?

Query returns “POSITIVE”.

6.10 :TRIGger:ALTernation:VIDEO:STANdard

Command Format:

:TRIGger:ALTernation:VIDEO:STANdard□{NTSC|PALSecam}

Explanation:

The command is to set the video standard as NTSC or PAL/SECAM.

Query Format:

:TRIGger:ALTernation:VIDEO:STANdard?

Returned Format:

Query returns “NTSC” or “PAL/SECAM”. The double quotes are not returned.

Example:

:TRIGger:ALTernation:VIDEO:STANdard□NTSC

Set the video standard to “NTSC”.

:TRIGger:ALTernation:VIDEO:STANdard?

Query returns “NTSC”.

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Rigol DS1000MD Manual do Utilizador Página 77