2-35 Trace Menu Spectrum Analyzer
2-94 PN: 10580-00349 Rev. H Spectrum Analyzer MG
Trace C Ops Menu
Key Sequence: Shift > Trace (5) key > Trace C Operations
A -> C: Copies the contents of Trace A into Trace C. Doing so overwrites the
previous contents of Trace C.
B <--> C: Swaps the contents of Trace B and Trace C.
Max Hold -> C: Shows the cumulative maximum value of each display point
over many trace sweeps.
Min Hold -> C: Shows the cumulative minimum value of each display point
over many trace sweeps.
A - B -> C: Subtracts the value of Trace B from trace A and places the
results in Trace C. This function is very useful for observing the changes in
values of live Trace A compared to a trace stored in Trace B.
When trace math is active, a relative scale shows on the right side of the
graph, and is associated to Trace C. This allows the user to optimize the
display of Trace C without affecting the display of Trace A and Trace B.
B - A -> C: Subtracts the value of Trace A from Trace B and places the
results in Trace C. This function is very useful for observing the changes in
values of live Trace A compared to a trace stored in Trace B. When trace
math is active, a relative scale shows on the right side of the graph, and is
associated to Trace C. This allows the user to optimize the display of Trace C
without affecting the display of Trace A and Trace B.
Relative Ref: Sets the value applied to the top graticule for the relative scale
that appears on the right side of the graph when trace math is active. Change
this value by using the rotary knob, up or down arrows, or entering the value
on the numeric keypad and pressing the dB submenu key or the Enter key.
This entry is valid only when trace math is active
Relative Scale: Sets the value applied to the scaling of the relative scale that
appears on the right side of the graph when trace math is active. Change this
value by using the rotary knob, up or down arrows, or entering the value on
the numeric keypad and pressing the dB submenu key or the Enter key. This
entry is valid only when trace math is active.
Back: Returns to the “Trace Menu” on page 2-90.
Figure 2-80. SPA Trace C Ops Menu
Trace C Ops
A -> C
B <-> C
Max Hold -> C
Min Hold -> C
A-B -> C
B-A -> C
Relative Ref
10.0 dB
Relative Scale
10 dB/div
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