Garmin GPSMAP 496 User Manual Page 47

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AVIATION
Setting Up the Terrain Page and Alerts
Use the Terrain Setup Page to set levels for terrain alerts as well as
obstacles in or near your flight path.
Caution Elevation
Select the Caution Elevation. If the terrain or an obstacle is within
the Caution Elevation you entered, the GPSMAP 496 provides an
alert.
Look Ahead Time
The Look Ahead Time for Terrain and Obstacle Alerts determines
the time when an alert annunciation occurs. For example, if
120 seconds is selected, the GPSMAP 496 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) determines what level of alerts are annunciated. The
GPSMAP 496 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, and Low only annunciates red alerts.
To set up the Terrain Page:
1. On the Terrain Page, press MENU to access the Terrain
Page options menu.
2. Select Set up Terrain, and press ENTER.
Terrain Setup Page
3. Make the adjustments to the Terrain Setup Use the ROCKER
to select options, and press ENTER. Select an option, and
press ENTER.
4. Press PAGE or QUIT to accept the changes and exit the Set
up Terrain Page.
GPSMAP 496 Owner's Manual 39
AVIATION MODE PAGES > TERRAIN PAGE
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