Uniden UM-525 - Manual (Page 45)

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4. If you are so far off course that the XTRACK screen cannot properly indicate the correct
action, an
OUT OF RANGE warning appears.
5. Since your GPS knows where you are and since you have a starting location, the system
automatically displays the
NOW ARRIVING screen when the radio is updated by the GPS with
new data and you are less than .02 miles from your destination.
6. During the time that the system is waiting for a complete data update from the GPS, the
hour glass appears and the ship icon as well as the margin readings do not change.
Note: If the radio fails to get an update, you see the screen that displays NO DATA
FROM GPS then the display returns to the initial XTRACK screen.
If you press the PTT switch at this time, the display returns to the standard channel display
with the GPS icon in the lower left corner.
7. The XTRACK system also displays the angle of difference between your current heading
and your destination heading. This angle can be from 67.5° to 292.5° The arrow indicates the
direction of the destination based on the angle of the vessel.
Viewing the Compass Screen
The radio's compass screen lets you view a compass that you can
use to navigate your vessel. A correctly connected GPS provides
data to the radio which appears on the Compass screen. To view
that data, rotate PUSH/SELECT to select
COMPASS , then press
PUSH/SELECT to select it.
Using the XTRACK Screen
OUT OF
RANGE !
NOW
ARRIVING