Garmin GNC 420W Pilot's Manual Addendum page 47

Alert Type
Imminent Terrain Impact (ITI) Caution
Imminent Obstacle Impact (IOI) Warning
Premature Descent Alert (PDA) Caution
Negative Climb Rate (NCR) Caution
Altitude Callout "500"
NOTE: TAWS Caution Alerts are displayed as constant black text on a yellow background; TAWS Warning Alerts are displayed as
constant white text on a red background.
TAWS Page
Pop-Up Alert
Annunciation
or
or
or
None None
TAWS Alerts Summary (continued)
Appendix A
TAWS Alerts
Aural Message
"Terrain Ahead; Terrain Ahead"
or
"Caution, Terrain; Caution, Terrain"
"Obstacle Ahead, Pull Up; Obstacle Ahead, Pull
Up"
or
"Obstacle, Obstacle; Pull Up, Pull Up"
"Too Low, Terrain"
"Don't Sink"
or
"Too Low, Terrain"
"Five-Hundred"
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