R&S FSL Spectrogram Measurement (Option K14)
1300.2519.12 4.193 E-11
A color map below the spectrogram shows the level and color assignment: the minimum level on
t
he left (–101.0 dBm in the example), the maximum level on the right (–1.0 dBm in the example).
The used colors are defined via the Color softkey. The level and color assignment is derived
automatically from the levels.
B
elow the right corner of the spectrogram, the frame number is displayed (# 0 in the example). If
the time stamp is activated, the time stamp instead of the frame number is displayed (for details
refer to the Time Stamp On/Off softkey).
The position of a marker (rhomb symbol) is displayed in the spectrogram result display only if the
marker is located in the visible area. If the marker is located outside the visible area, only its values
are displayed in the marker field.
Markers and marker values
In the spectrum analyzer result display, the marker information of all activated markers is displayed in
the marker field. Additional to the marker values of the base unit (for details see "Using Markers and
Delta Markers – MKR Key" on page 4.53), the frame number is given (# 0 in the example).
In the spectrogram result display, in maximum 4 markers and delta markers can be activated for
different frames at the same time. To assign a marker to a frame, the edit marker dialog box is
extended. Additionally to the marker value, the frame number must be defined.
When the marker edit dialog box is opened, the Marker 1 field is in edit mode. To change to the frame
number field, use the FIELD RIGHT key.
If a marker is activated when the measurement is halted (Continuous Sweep Start/Stop softkey), the
marker is set and visible in both result displays (provided that it is located in the visible area of the
spectrogram result display). If the marker value or the frame number is altered, the new position is
reflected in both result displays.
Maximum number of frames
The following table shows the correlation between the number of measurement points and the
maximum number of frames stored in the history buffer:
Measurement points Max. number of frames
501
20,000
1,001 12,488
2,001 6,247
4,001 3,124
8,001 1,562
16,001 781
32,001 391
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