Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 406)

Using Antenna Visibility MN/22156, rev 12
B-4 VMS User Guide
bility tab, showing either a center frequency with bandwidth, or a base
frequency and top frequency. This appearance can be toggled using the View as
Base/Top check box.
Figure B-4 Frequency Range dialogs
Enter the range of bandwidth to be added or subtracted and select OK.
Subtracting a frequency range from within visible bandwidth creates a visibility
block, or mask, for that portion of the spectrum. To remove an existing visibility
block and restore visibility for that bandwidth, select the two adjacent ranges
and click Add. This will display the range of bandwidth blocked, as shown in
the figure below. By selecting OK, the range will be added and the two ranges
will become merged into one continuous range.
Figure B-5 Merging Visibility Ranges