User Manual

Web Page Reference
107
Figure 65 Spectrum Management Help Page (Fixed Frequency)
8.3.9 Spectrum Management Control – With Operational Restrictions
When operating with Radar Avoidance enabled the following variances in operation apply:
• The words “Radar Avoidance” are appended to the “Spectrum Management” title at the top
of the screen. See Figure 66 and Figure 67.
• The only controls available to the master are the Interference Threshold attribute. This has
no effect on the operation of the wireless link and will only affect the generation of the channel
spectrum graphics. See Figure 66.
• Extra color coding of the interference histogram is provided. See Table 15.
When operating with RTTT (Road transport and Traffic Telematics) Avoidance enabled or
other regulatory restrictions on channel usage the following variances apply:
• All channels marked with a ‘no entry’ symbol with their associated statistics colored black are
the prohibited channels. See Figure 66 and Figure 67. These channels are never used to
host the wireless link, but CAC measurements are still taken so that adjacent channel biases
can be calculated correctly and so the user can see if other equipment is in use.