Tektronix MSO2024B Programmer's Manual page 360

Commands Listed in Alphabetical Order
Related Commands
Arguments
Examples
TRIGger:A:VIDeo:POLarity
Group
Syntax
Arguments
Examples
TRIGger:A:VIDeo:SOUrce
2-344 MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual
TRIGger:A:VIDeo{:SYNC|:FIELD}
argument is an integer that sets the video line number on which the
<NR1>
oscilloscope triggers. The following table lists the valid choices, depending on the
active video standard.
Table 2-41: Video Line Numbering Ranges
Video Standard
525/NTSC
625/PAL, SECAM
SECAM
TRIGGER:A:VIDEO:LINE 23
TRIGGER:A:VIDEO:LINE ?
indicating that the oscilloscope is set to trigger on line 10.
Sets or returns the polarity of the A video trigger.
Trigger
TRIGger:A:VIDeo:POLarity {NEGative|POSitive|NORMal|INVERTed}
TRIGger:A:VIDeo:POLarity?
argument sets the oscilloscope to trigger on a positive video sync pulse.
POSitive
argument sets the oscilloscope to trigger on a negative video sync
NEGative
pulse.
TRIGGER:A:VIDEO:POLARITY NEGATIVE
negative video pulse.
TRIGGER:A:VIDEO:POLARITY?
indicating that the oscilloscope is set to trigger on a positive video
POSITIVE
sync pulse.
Sets or returns the source for the A video trigger.
Line Number Range
1–525
1–625
1–625
sets the oscilloscope to trigger on the line 23.
might return
:TRIGGER:A:VIDEO:LINE 10
sets the oscilloscope to trigger on a
might return
:TRIGGER:A:VIDEO:POLARITY