Garmin GTN 625 Pilot's Manual page 355

10.8.5.8.1 Overriding Flaps-based FIT alerting
1. While viewing the TAWS-A Page, touch the MENU key.
2. Touch the Flap Override key to toggle the override state.
When the Flaps Override option is enabled, the annunciation "FLAP O/R"
is annunciated on the TAWS-A Page. If GPWS alerts are also inhibited (which
include FIT), the "FLAP O/R" annunciation is not shown.
FIT alerts also occur during takeoff or go-around if the aircraft' s height
above ground level (as determined by the radar altimeter) is too close to rising
terrain. TAWS-A will issue the aural message "Too Low - Terrain" and visual
annunciations when conditions enter the caution alert area.
190-01004-03 Rev. P
"TOO LOW, TERRAIN"
Radio Altitude Loss (Feet)
Figure 10-48 FIT Alerting After Takeoff
GTN 625/635/650 Pilot's Guide
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