Garmin GNS 430 - Manual (Page 193)

GNS 430(A) Pilot’s Guide and Reference 190-00140-00 Rev. P 11-5
SECTION 11
TERRAIN
Table 11-2 shows the possible TERRAIN alert types with corresponding annunciations.
Alert Type Annunciation Pop-Up Alert
TERRAIN Failure None
TERRAIN Inhibited None
TERRAIN Not Available None
Required Terrain Clearance (RTC) Advisory
Required Terrain Clearance (RTC) Caution
(FLASHING) (FLASHING)
Imminent Terrain Impact (ITI) Advisory
Imminent Terrain Impact (ITI) Caution
(FLASHING) (FLASHING)
Required Obstacle Clearance (ROC) Advisory
Required Obstacle Clearance (ROC) Caution
(FLASHING) (FLASHING)
Imminent Obstacle Impact (IOI) Advisory
Imminent Obstacle Impact (IOI) Caution
(FLASHING) (FLASHING)
Premature Descent Alert (PDA) Advisory
Table 11-2 TERRAIN Alert Summary