3Com WX1200 Reference Manual page 481

6 On the toolbar, click the radio type for which you want to display
coverage:
You also can show coverage by right-clicking on the scope in the
Coverage Areas section, then selecting Show RF Coverage.
Coverage for the selected scope(s) is displayed. This example shows
802.11a coverage, by transmit data rate, for the coverage area CoverA.
To hide coverage again, right-click on the scope in the Coverage Areas
section and select Hide RF Coverage.
Locating and Fixing Coverage Holes
Displays 802.11a coverage for the
selected scope(s).
Displays 802.11b coverage for the
selected scope(s).
Displays 802.11g coverage for the
selected scope(s).
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