User`s guide

Use the IN and OUT keys at the bottom of the screen to
zoom in and zoom out. The zoom range is shown in the
lower left corner of the screen.
Use the
BARO+ and BARO- keys at the bottom of the
screen to make minor adjustments to the barometric
pressure value.
Color Description
RED Terrain that is at, or above, your current
altitude
YELLOW Terrain that is within 500 feet of your current
altitude
GREEN Terrain that is within 2000 feet of your
current altitude
BLACK Terrain that is more than 2000 feet below
your current altitude
LIGHT
BLUE
No terrain data is available
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Detailed Operation