6.6 Standard display mode
Narda NBM-550 73
6.6 Standard display mode
Standard display mode corresponds to Spectrum display
mode but with the measured values normalized against a
safety standard and shown as percentage values. Limit
values must be defined by the safety standard for the
frequency range being used.
Note: Simultaneous display of the wideband value in
percent is not possible in this display mode. The
“Peak value” is therefore always shown
automatically.
To use the marker function:
You can use the marker to read out each separate
evaluation frequency in the spectrum of the FFT analysis.
1. Press the Marker function key (the key is labeled OFF
when the marker function is active).
The marker is shown as a horizontal and a vertical
line. The numerical value of the marker is shown in
the upper display window.
2. Use the / function keys to shift the marker to the left
or right.
3. Press the Highest value function key to move the
marker to the highest value on the trace.
Other functions
The other functions are the same for all display modes and
are described under “General settings” on page 66.
1 Result type and numerical display of percentage of
the standard or the marker value
2 Frequency of the maximum field strength or of the
marker
3 Graphical display of field strength with indication of
the selected field type (E-field in the example)
4 Spectrum with indication of the selected standard
showing the limit value (the dotted line corresponds
to 100 %). The span is shown in the display header
top left. The logarithmic axis scale always spans 6
decades.
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