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Plot
Grid Search
Operator's Manual
approach. Note for the plot example above, we turned off the cross-
track error lines, the active route, and track saving to keep the screen
from getting cluttered while drifting.
•
Version 1.5
If you are attempting to search a given area, you can use the PLOn
screen to define a known coordinate in your search pattern, then use
both the PLOTl and PLon screens to view your progress and help
maintain your proper separation. You can also use the R1El screen's
Insert New WPT feature in conjunction with the CFCl Navigation,
WPT Pass Criterion: Distance to WPT (set the WPT Pass Distance: to
the smallest acceptable value) to create the search pattern you want to
follow. In the R1El screen, press Insert New WPTto define the coor-
dinates ofthe first waypoint. Then use the Insert New WPTsoftkey to
define subsequent range and bearing coordinates from your original
position. This technique allows you to quickly define your search
pattern, control the pattern separation, and view your progress along
the way. The CDU will prompt you to turn at the predetermined
waypoints you defined. This allows you to pay more attention to the
task at hand, rather than having to keep a close eye on the GPS re-
ceiver.
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