Rigol DS1204B Specifikace stáhnout pdf (Strana 48)

RIGOL Command Systems

Programming Guide for DS1000B Series

2-36

VIDEO Trigger

1. :TRIGger:VIDEO:MODE

Command Format:

:TRIGger:VIDEO:MODE <mode>

:TRIGger:VIDEO:MODE?

Function:

The command sets the trigger sync mode as ODDfield, EVENfield, LINE or

ALLlines.

Returned Format:

The query returns ODD FIELD, EVEN FIELD, LINE or ALL LINES.

Example:

:TRIG:VIDEO:MODE EVEN Set the trigger sync mode as even field.

:TRIG:VIDEO:MODE? Return EVEN FIELD.

2. :TRIGger:VIDEO:POLarity

Command Format:

:TRIGger:VIDEO:POLarity {POSitive|NEGative}

:TRIGger:VIDEO:POLarity?

Function:

The command sets the video polarity as POSitive (it is applicable for the video

signal that the black level is low) or NEGative (the black level is high).

Returned Format:

The query returns POSITIVE or NEGATIVE.

Example:

:TRIG:VIDEO:POL POS Set the video polarity as positive.

:TRIG:VIDEO:POL? Return POSITIVE.

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Rigol DS1204B Specifikace Strana 48