Use Trace Math; All About Trace Math - Agilent Technologies FieldFox N9912A User Manual

All about Trace Math

Trace Math is available ONLY in CAT and NA Modes, but not in DTF
measurements.
A trace is a series of measurement data points that are connected to form a line.
This „live‟ data trace is updated as data points are measured.
A memory trace is a live trace that has been stored in the FieldFox volatile
memory. It then becomes static, meaning it is not updated with measurements. It
can be displayed on the screen by itself, or with a data trace for comparison
purposes.
 In NA mode, memory traces are the same color as data traces, but muted
 In CAT mode, the data trace is displayed in yellow and the memory trace is
How to display data and memory traces
 Press Trace
 Then
How to perform Trace Math
Trace math is performed between a live trace and a memory trace. When one of
the following math operations are selected, the yellow data trace displays the
current measurement with the selected trace math applied. The math operation
symbol indicated below in [brackets] is displayed on the lower left corner of the
screen.
 Press Trace 6 .
 If not already stored, press
 Then
 Then choose one of the following:
132
After Limit Lines have been defined, this saves the line
Save Limits
o
definition to a file on the specified device.
Recalls a Limit Line definition from the specified device.
Recall Limits
o
(duller).
displayed in blue.
6 .
Data->Mem to store the current live trace into memory. A „beep‟ sounds
to confirm the data trace has been saved to memory. There is no display
annotation that indicates that the memory trace has been stored.
Press Data to view only the data trace.
o
Press to view only the memory trace.
Memory
o
Press
Data & Memory
o
trace.
memory.
Data Math.
[D+M] Current measurement data is added to the data in
Data + Memory
o
memory.
Data – Memory
[D-M] Current measurement data is subtracted from the
o
data in memory.
to view both the live trace and the stored memory
to store the current live trace into
Data->Mem
N9912A FieldFox User's Guide