ES User’s Guide 4-7
Using Instrument Functions
Using Markers
To Use Marker Search Functions
Markers can be used to:
• search a measurement trace for maximum or minimum points
• search for a target value
• automatically calculate bandwidth or notch parameters of filters
• automatically search for multiple maximums or minimums
NOTE Marker tracking can be useful for tuning DUTs when combined with the
marker search functions. When tracking is turned on, the marker search
is applied to the active marker and is updated with each sweep. To turn
tracking on, press and then select the
type of search you will be performing. Then press (if
necessary), and .
CAUTION It is possible to select marker search types on measurement channel 1
that are incompatible with those on measurement channel 2, and vice
versa. Doing so can cause the markers on the inactive channel to be
moved. Be careful to ensure you are using the correct markers for the
measurement channel you are currently measuring, especially when
marker tracking is turned on.
To Use Max Search
and Min Search
The maximum search functions scan for peak points on the
measurement trace. The minimum search functions scan for minimum
points on the measurement trace.
1. Press to place
marker 1 at the maximum value on the trace.
2. Press
to place marker 2 at the minimum
value on the trace.
3. Figure 4-3 shows markers 1 and 2 at the maximum and minimum
points, respectively.
MARKER
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