Garmin GNX 375, Pilot'S Manual, Page: 62 / 244

2-30 GPS 175/GNX 375 Pilot’s Guide 190-02207-02 Rev. B
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2.20 Alerts Settings
FEATURE LIMITATIONS
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Alert altitudes are dependent on aircraft and airspace altitudes and the
pilot-specified altitude buffer value
Airspace alerts generate a message. They rely on three-dimensional
data (altitude, latitude, and longitude) to avoid nuisance alerts.
Control keys allow you to select which airspace boundaries
generate an alert annunciation upon entry.
Alert boundaries for controlled airspace are
sectorized to provide complete information
on any nearby airspace.
Alert settings do not alter the depiction of
airspace, nor do they change Smart Airspace
settings on the Map page.
With the exception of Altitude Buffer,
airspace alert options are on/off only.
Airspace alerts for Prohibited airspace
cannot be disabled.