Tektronix TDS1012 - Page 169

Command Descriptions
TDS200/1000/2000 Series Oscilloscope Programmer Manual
2−151
The following sequence sets the oscilloscope to trigger on video line
123:
TRIGger:MAIn:TYPe VIDeo
TRIGger:MAIn:VIDeo:SYNC LINENum
TRIGger:MAIn:VIDeo:LINE 123
TRIGger:MAIn:VIDeo:POLarity
Sets or queries the video trigger polarity. This is equivalent to
selecting the Polarity option in the Trigger/Video menu.
Trigger
TDS 210 and TDS 220 models with firmware below V 2.00 and a
TDS2CMA communications module:
TRIGger:MAIn:VIDeo:POLarity{INVERTed|NORMAl}
All other oscilloscope, firmware version, and module combinations:
TRIGger:MAIn:VIDeo:POLarity { INVert | NORMAl }
TRIGger:MAIn:VIDeo:POLarity?
INVERTed or INVert specifies a positive sync pulse.
NORMal specifies a negative sync pulse.
TRIGger:MAIn:VIDeo:POLarity NORMAL
selects negative sync polarity for the video trigger.
Examples
Group
Syntax
Arguments
Examples