Perform A Raim Prediction - Garmin 480 Quick Reference

Adding SIDs, STARs, and Approaches
SIDs are associated with the departure airport. STARs and IAPs are associated
with the destination airport.
After creating your flight plan, you can select an approach, departure, or arrival
procedure so the GNS 480 can guide you through the procedure.
1. Press the PROC function smart
key for Procedure Mode. The
Origin and Destination waypoint
of your active flight plan are
shown.
2. Press the Depart menu item
smart key to select the Departure
procedure. If available, select
the departure runway (with the
Small knob or the menu item keys).
3. Turn the Large knob to move between fields and turn the Small knob to
select the transition. Press Menu/Enter to accept the procedure.
4. Press the BACK function smart key to return to the Procedures mode.
Depending on the procedure for your destination, press the Destination
Arrival or Appch menu item
smart key.
5. Choose the transition and the
runway by moving to a selection
with the Large knob and listing
the choices with the Small knob.
Press Menu/Enter to accept the
transition.
20
PROCEDURES (PROC)

Perform a RAIM Prediction

RAIM prediction predicts if GPS coverage is available for any waypoint. This is
used when WAAS satellites are not available.
6. If desired, select an alternate airport by pressing the Alternate Select
menu item key.
7. Press EXEC to activate the procedures for your flight plan.
1. Highlight a waypoint in the active flight plan or select a waypoint from
the database. Press INFO and then press the RAIM function smart key
when it is shown.
2. Press the CRSR knob in. One
of the fields will be highlighted.
Change the values of the Arrival
Date and/or Arrival Time (in UTC
time) with the Small knob while
moving to a value with the Large
knob. The default calculation
is the ETA to the last waypoint
in the active flight plan. When
selecting a waypoint from the database other than one in the active flight
plan, the default calculation is the ETA from the present position to the
waypoint.
3. After setting the values, press the Menu/Enter key to compute the RAIM
prediction.