NARDA IDA, Руководство по эксплуатации, Страница: 171 / 292

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
.