Command Descriptions
TDS Family Oscilloscope Programmer Manual
2–283
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TRIGger :
:
POSITIVe
NEGAtive
VIDeo
MAIn
SYNc
:
POSITIVe specifies a positive going voltage.
NEGAtive specifies a negative going voltage.
TRIGGER:MAIN:VIDEO:SYNC POSITIVE
selects a positive going voltage for the desired synchronization pulse.
TRIGger:MAIn:VIDeo:SYStem
TDS 4XXA Option 5 Only
Sets or queries the video trigger class. This is equivalent to selecting the class in
the Video Class side menu of the Video menu.
Trigger
TRIGger:MAIn:VIDeo:SYStem { NTSc | PAL | SECAM | CUSTom }
TRIGger:MAIn:VIDeo:SYStem?
TRIGger :
:
VIDeo
MAIn
SYStem
:
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PAL
?
CUSTom
SECAM
NTSc
NTSc selects a condition that adheres to the National Television System
Committee standards. Specifically, it assumes a line rate of 525 lines per frame
and a frame rate of 30 Hz.
PAL selects a condition that adheres to the Phase Alternate Line standard.
Specifically, it assumes a line rate of 625 lines per frame and a frame rate of
25 Hz.
SECAM selects a condition that adheres to the SECAM standard.
Arguments
Examples
Group
Syntax
Arguments
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