13 TRACe Subsystem
618 N1911A/1912A P-Series Power Meters Programming Guide
TRACe[1]|2:MEASurement:INSTant:REFerence?
<numeric_value>
This command returns the time instant at which the power waveform
intersects the reference level supplied as the command parameter. This
allows the time instant used to calculate the pulse parameters to be found.
It also allows calculation of transition between non- standard reference
levels.
Syntax
Parameters
This command is only applicable when P-Series power sensors are used with single or
continuous triggered acquisition is selected.
1
2
:MEAS
TRAC
:INST
:REF ?
Space
numeric_value
Item Description/Default Range of
Values
numeric_value Reference level in percentage
–25 to 125