Specifications

RIGOL
Programming Guide for DS1000B Series
2-64
3. Video Trigger
In video trigger, the standard video signal (NTSC, PAL/SECAM) is triggered in
field or line. The trigger coupling mode is DC.
(1) :TRIGger:VIDEO:MODE
Command Format:
:TRIGger:VIDEO:MODE□<mode>
Function:
The command sets the trigger sync mode as ODDFIELD, EVENFIELD, LINE
or ALLLINES.
Query Format:
:TRIGger:VIDEO:MODE?
Return Format:
The query returns ODD FIELD ro EVEN FIELD, LINE, ALL LINES.
Example:
:TRIGger:VIDEO:MODE□EVENFIELD
Set the trigger sync mode as even field.
:TRIGger:VIDEO:MODE? Return EVEN FIELD.
(2) :TRIGger:VIDEO:POLarity
Command Format:
:TRIGger:VIDEO:POLarity□{ POSitive | NEGative }
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).
Query Format:
:TRIGger:VIDEO:POLarity?
Return Format:
The query returns POSITIVE or NEGATIVE.
Example: