Garmin GTN 625 Pilot's Manual page 344

10.8.5
Foreword
Alerts are issued when flight conditions meet parameters that are set
within TAWS-A software algorithms. TAWS-A alerts employ a CAUTION or a
Getting
Started
WARNING alert severity level. When an alert is issued, visual annunciations are
Audio & displayed and aural alerts are simultaneously issued. TAWS-A alert types with
Xpdr Ctrl
corresponding annunciations and aural messages are shown in Table 10-9.
Com/Nav
When an alert is issued, annunciations appear on the display. The TAWS-A
Alert Annunciation is shown on the lower left part of the display. If the TAWS-A
FPL
Page is not already displayed, a pop-up alert appears while an alert is active.
Direct-To
Touch to Remove
Proc
Pop-Up and Remain
on Current Page
Wpt Info
TAWS Annunciation
Map
To acknowledge the pop-up alert:
Traffic
Terrain
Weather
10.8.5.1
Nearest
TAWS-A provides the following alert types:
Services/
Music
• Forward Looking Terrain Avoidance (FLTA) Alerting, which consists of:
Utilities
- Required Terrain Clearance (RTC) / Required Line Clearance (RLC) /
System
- Imminent Terrain Impact (ITI) / Imminent Line Impact (ILI) /
Messages
• Premature Descent Alerting (PDA)
Symbols
• Ground Proximity Warning System (GPWS) Alerting, which consists of:
- Excessive Descent Rate (EDR) Alerting
Appendix
- Excessive Closure Rate (ECR) to Terrain Alerting
Index
10-56
TAWS-A Alerts
Figure 10-40 Terrain Alert Pop-Up
Touch the Close key (returns to the currently viewed page)
OR
Touch the Go to Terrain key (accesses the TAWS-A Page)
TAWS-A Alert Types
Required Obstacle Clearance (ROC) Alerting
Imminent Obstacle Impact (IOI) Alerting
GTN 625/635/650 Pilot's Guide
Blinking Alert
Touch to Display
Terrain Page
190-01004-03 Rev. P