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When you see one of these alerts on the display, follow the
instruction shown to clear it. Clearing the alert removes it
from the display. The screen shown before the alert
appeared returns to the display.
The currentmessages screenservesasa reviewofanyalerts
presentedthiswayduringthetrip.Alertmessages thatshow
on the screen must be valid at the time you check them or
they will not show as a current message. Press ENT, as
shown on the current message screen, to view other current
messages (if available).
Present
Position
Screen
This screen shows the lat/long coordinates of your present
position, GPS altitude, and any course deviation from
desired track.
When you fly, this screen can be valuable to check your
position against a chart with close precision. Keep in mind
that GPS altitude is not based on the same criteria as
barometric altitude which uses a pressure offset value.GPS
altitude is also affected by selective availability.
Course deviation shows in the rectangular Course
Deviation Indicator (CDI) at the bottom of the display. The
airplane symbol moves over the graduated CDI to show
your current distance left or right of desired track. You can
select CDI range and units of measure using the menu
function options “CDI Scale” and “Units of Measure”
described in Section 5.
Bearing/
ETA/Track
Screen
In addition to the CDI, the bearing/ETA/track screen also
shows:
The destination waypoint and type
Apollo 360 GPS Receiver Navigating a Trip
P/N 560-0123-01 4-5