I
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Using Instrument Functions
Using Markers
Using the Next Peak and Next Min Functions.
As explained previously, pressing
W
->
Max
and
Mkr
->
Min will
place a marker on the maximum and minimum points on the measurement
trace, respectively. You can search for the next highest or lowest point
using the
Hex%
Peak Right ,
Hex%
Peak
Left
,
??a~?z
Min
Righ%
and
hText
Miq
Left
keys.
A maximum (or minimum) point is detected whenever an amplitude
excursion greater than half of a division occurs. The half of a division
excursion requirement must be satisfied on both sides (left and right) of the
peak (or minimum). The maximum (or minimum) point must be
>-60
dl3.
See Figure 4-4.
-6OdB
X Does Not Meet
Peak Search
Criteria
Figure 4.4. Peak and Minimum Search Criteria
Division
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When the maximum or minimum point is at or near either edge of the
display, the excursion requirement is satisfied by a half of a division excursion
on just one side of the maximum (or minimum). See Figure 4-5.
4-9
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