Agilent Technologies N1911A Programming Manual page 645

Example
Reset Condition
On reset, the reference level will set to 10 % and 90 % respectively.
Query
TRACe[1]|2:DEFine:TRANsition:REFerence?
The query returns trace 1 reference levels used in the transition
occurences calculation.
Query Example
N1911A/1912A P-Series Power Meters Programming Guide
TRAC1:DEF:TRAN:REF 1,18
TRAC1:DEF:TRAN:REF
DEF,DEF
TRAC1:DEF:TRAN:REF?
This command sets trace 1 transition
measurements to look for the 1 % and 81 %
reference levels.
This command sets trace 1 transition
measuremetns to look for the 10 % and 90
% reference levels.
This command queries the reference levels
used in the calculation of transition
durations and occurrences for trace 1.
TRACe Subsystem 13
617