R&S FSL Changing Settings via Markers – MKR–> Key
1300.2519.12 4.67 E-11
To search for a maximum
1. To search the highest maximum, press the Peak softkey.
2. To define the search mode for the next maximum, use the Next Peak Mode < abs > softkey.
3. To start the search, press Next Peak the softkey.
To search for a minimum
1. To search the minimum, press the Min softkey.
2. To define the search mode for the next maximum, use the Next Min Mode < abs > softkey.
3. To start the search, press the Next Min softkey.
To specify the search limits
1. To define the lower limit, press the Left Limit softkey.
2. To define the upper limit, press the Right Limit softkey.
3. To define the threshold, press the Threshold softkey.
4. To switch the search limits off, press the Search Lim Off softkey.
To specify the search range
Press the Exclude LO softkey to include the frequency 0 Hz in the marker search functions.
To examine a signal at the center in detail
1. Press the PRESET key to set the R&S FSL to the default setting.
2. Press the MKR–> key to open the marker–> menu.
3. Marker 1 is activated and set to the largest signal of the trace.
4. Press the Center =Mkr Freq softkey to set to the marker frequency.
5. The span is adapted in such a way that the minimum frequency (= 0 Hz) or the maximum frequency
is not exceeded.
6. Press the Ref Lvl =Mkr Lvl softkey to set the reference level to the measured marker level.
7. Press the SPAN key.
8. The edit dialog box to enter a frequency span is displayed.
9. Reduce the span, e.g. using the rotary knob.
To specify the suitable peak excursion
1. If the next peak mode abs of softkey Next Peak Mode < abs > / Next Min Mode < abs > is used,
the default value is sufficient, since, in this mode, the next lower maximum or next higher minimum
will always be detected.
2. If the next peak mode < or > of softkey Next Peak Mode < abs > / Next Min Mode < abs > is used,
the 6 dB level change set as a default value may be attained already by the inherent noise of the
instrument. To avoid identifying noise peaks as maxima or minima, enter a peak excursion value
that is higher than the difference between the highest and the lowest value measured for the
displayed inherent noise.
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