Tektronix TDS420A User Manual

Command Descriptions

TDS Family Oscilloscope Programmer Manual

MOREThan

LESSThan

FALSe

<Space>

?

TRUe

:

MAIn

TRIGger

LOGIc

:

:

PATtern

WHEn

:

TRUe specifies the trigger to occur when the pattern becomes true.

FALSe specifies the trigger to occur when the pattern becomes false.

LESSThan specifies trigger to occur if the specific pattern is true less than the
LESSLimit. (see Figure 2–6 and 

TRIGger:MAIn:LOGic:PATĆ

tern:WHEn:LESSLimit) Trigger is evaluated at the true-false transition.

MOREThan specifies trigger to occur if the specific pattern is true longer than the
more limit. (see Figure 2–6 and 

TRIGger:MAIn:LOGic:PATtern:WHEn:MORELiĆ

mit) Trigger is evaluated at the true-false transition.

Specified Pattern

Result

MORELimit

LESSLimit

t

o

Sets or queries the maximum time the selected pattern may be true and still
generate a main logic pattern trigger.

Trigger

TRIGger:MAIn:LOGIc:PATtern:WHEn:LESSLimit <NR3>

TRIGger:MAIn: LOGIc: PATtern: WHEn: LESSLimit?