Trace Settings R&S FSH3
Trace Settings
The R&S FSH3 provides one measurement trace and a reference trace in memory.
Trace mode
A variety of display modes can be selected for the trace:
• CLEAR/WRITE The R&S FSH3 clears the old trace during a new sweep. This is
the default setting.
• AVERAGE The R&S FSH3 takes the level average over consecutive traces.
Averaging is on a pixel-by-pixel basis and is sliding over the ten
previous traces. This reduces the effects of noise, for example, but
has no effect on sine signals. The average mode, therefore,
makes it easy to display sine signals in the vicinity of noise.
• MAX HOLD The trace indicates the maximum value that has been measured
up to that point in time. The Max Hold mode is only cancelled if
another setting is selected and the trace pixels from the new
setting cannot be compared with the trace pixels from the previous
setting – for example if the span is changed. Intermittent signals in
the spectrum or the maximum of fluctuating signals are easy to
find with MAX HOLD.
• MIN HOLD The trace indicates the minimum value that has been measured up
to that point in time. The Min Hold mode is only cancelled if
another setting is selected and the trace pixels from the new
setting cannot be compared with the trace pixels from the previous
setting – for example if the span or the center frequency is
changed. With MIN HOLD, sine signals within the noise can be
highlighted or intermittent signals suppressed.
• VIEW The R&S FSH3 freezes the presently displayed trace. The
measurement is aborted. This, for instance, allows subsequent
evaluation of spectra with the aid of the marker.
1145.5973.12 4.18 E-6
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