Rigol DS1000MD Manual de usuario descargar pdf (Pagina 69)

RIGOL

Programming Guide for DS1000/DS1000CA Series

2-61

5. Set the video trigger condition

Use video trigger on fields or lines for standard video signals. Set the DC as the

trigger coupling.

5.1 :TRIGger:VIDEO:MODE

Command Format:

:TRIGger:VIDEO:MODE□<mod>

Explanation:

The command is to set the trigger synchronization as “ODDfield”, “EVENfield”,

“LINE” or “ALLlines”.

Query Format:

:TRIGger:VIDEO:MODE?

Returned Format:

Query returns “ODD FILED”, “EVEN FILED”, “LINE”, “ALL LINES”. The double

quotes are not returned.

Example:

:TRIGger:VIDEO:MODE□EVENFIELD

Set the trigger synchronization as “EVENfield”.

:TRIGger:VIDEO:MODE?

Query returns “EVEN FIELD”.

5.2 :TRIGger:VIDEO:POLarity

Command Format:

:TRIGger:VIDEO:POLarity□{POSitive|NEGative}

Explanation:

The command is to set the Video polarity as “POSitive” or “NEGative”.

Query Format:

:TRIGger:VIDEO:POLarity?

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Rigol DS1000MD Manual de usuario Pagina 69