Garmin GTX 330 GPS Receiver User Manual


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Part Three: Section 3
TAWS Alerts
Excessive Descent Rate Alert (EDR)
ThepurposeoftheExcessiveDescentRatealert
is to provide suitable notification when the aircraft is
determined to be closing (descending) upon terrain
atanexcessivespeed.Theparametersforthealertas
denedbyTSO-C151bareshownintheDescentRate
graph.












   
"PULL UP""PULL UP"
"SINK RA
TE"
$ESCENT2ATE
Height Above Terrain (Feet)
Excessive Descent Rate Graph
Excessive Descent Rate Severity Levels
CAUTION—The annunciation and pop-up terrain
alert are accompanied by the aural message “Sink
Rate”.
WARNING—The annunciation and pop-up terrain
alert are accompanied by the aural message “Pull
Up”.
190-00356-30 Rev F
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