NARDA IDA - Page 171

8.2 The Spectrum measure menu
Narda IDA-3106 163
Selecting trace types as reference values
The reference trace type is selected using the Active Trace softkey, which
is shown in the first column after the Channel or Transmitter column. You
can only select the trace types that have been marked under
Spectrum • Trace. The relative display will then show all trace types
relative to the reference value.
1. Press the Active Trace softkey.
2. Use the rotary control knob to select an entry and press the OK key.
Setting a threshold (Peak Threshold)
 See Changing the marker evaluation settings (Marker Settings)
on page 113.
Setting a minimum signal peak excursion
(Peak Excursion)
 See Changing the marker evaluation settings (Marker Settings)
on page 113.
Selecting absolute or relative display mode
The measured values are shown relative to the selected reference trace in
relative display mode.
 Press the Results softkey:
– For absolute values: The softkey label must show Absolute.
– For relative values: The softkey label must show Relative.