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Load Background Image: Clicking this button will load in a Bitmap representing? radar range & plot on Background.
Clear Background: Click this button to remove and FFT or Bitmap from background of LHS - will this still be here?PPI.
Alarm Areas Only: When this checkbox is selected, only NewMode Output within the alarm areas is shown in the list and on the PPI. Always updating list of NavMode output. This list can be sorted by clicking the header.
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