Garmin aera 500 Series Pilot’s Guide
190-01117-02 Rev. C
110
Hazard Avoidance
OverviewGPS NavigationFlight PlanningHazard AvoidanceAdditional FeaturesAppendicesIndex
TERRAIN ALERTS & SETUP
Enabling/Disabling terrain alerts:
1)
From the ‘Home’ Screen touch the Terrain Icon.
2)
Touch the Menu Icon.
3)
Touch the 'Enable Alerts' or 'Disable Alerts' menu option.
Use the Terrain Setup Menu to set levels for terrain alerts as well as obstacles in
or near your flight path.
•Caution Elevation—The aera will provide an alert if the terrain or obstacle is
within the default Caution Elevation or user-defined Caution Elevation
•Look Ahead Time—Determines the maximum time when an alert annunciation
occurs. For example, if 120 seconds is selected, the aera provides an alert up to
120 seconds before you reach the terrain or obstacle
•Alert Sensitivity—The three Alert Sensitivity settings (Terrain, Obstacle, and
Descent Rate) determine what level of alerts are annunciated. The aera defaults
to ‘High’ sensitivity, which annunciates all red and yellow alerts at the time set in
Look Ahead Time. ‘Medium’ sensitivity annunciates all of the red and the highest
priority of yellow alerts. ‘Low’ only annunciates red alerts. ‘Off’ disables the alert.
Accessing terrain/obstacle settings:
1)
From the ‘Home’ Screen touch the Terrain Icon.
2)
Touch the Menu Icon.
3)
Touch the 'Set Up Terrain' menu option.
4)
Touch the buttons to cycle through the list of available settings.
Terrain, Obstacle, and Descent Rate Alerts are issued when flight conditions meet
parameters that are set within the software algorithms. Terrain alerts typically employ
a CAUTION or a WARNING alert severity level, or both. When an alert is issued, visual
annunciations are displayed and aural alerts are simultaneously issued. When the
aircraft descends through 500 feet above the destination airport an audible “Five
Hundred” altitude reminder occurs.
The Terrain Alert Annunciation is shown to the lower left corner of the screen. If the
Terrain Map is not displayed, a pop-up alert appears. The Range Rings on the pop-
up alert are spaced every whole mile/kilometer/nautical mile. Touch the Terrain Alert
Annunciation to acknowledge the pop-up and/or aural alert.
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