Chapter 7: Operation
Spectrum Management
Page 7-46
Figure 232 Selecting a channel on the Receive Spectrum
To freeze the selection of channel and time period, click on the cursor position. The frequency
and time period are now fixed until a new combination is selected by clicking in a different
location. The frozen time period is shown by red brackets in the Interference Waterfall display.
Interpreting the timeseries plot
This plot displays the interference measurements of all previous measurement quantization
periods for the selected channel, up to a maximum of 25 h (
The channel is selected as described in
Selecting a Channel and a Time period
. The center
frequency of the selected channel is indicated in MHz at the top right of the Timeseries plot.
The colored lines represent interference measurements, with the color map provided in
A white background indicates the measurement period which is used to generate the Receive
Spectrum plot. Typically, only the last 20 min are used, although any period of time where the
wireless link has been down is excluded.