Garmin GTN 725 Pilot's Manual page 17

11.3.8.4 Premature Descent Alerting ............................................... 11-16
11.3.8.5 Inhibiting/Enabling TAWS Alerting ...................................... 11-17
11.3.8.6 Negative Climb Rate After Take-Off Alert (NCR) .................. 11-17
11.3.8.7 TAWS Not Available Alert ................................................... 11-19
11.3.8.8 TAWS Failure Alert ............................................................. 11-19
11.3.9 TAWS System Status .......................................................... 11-19
11.4 HTAWS (Optional) ............................................................................ 11-20
11.4.1 Introduction ...................................................................... 11-20
11.4.1.1 Overview ........................................................................... 11-20
11.4.1.2 Operating Criteria .............................................................. 11-20
11.4.1.3 Limitations ........................................................................ 11-21
11.4.2 HTAWS Operation.............................................................. 11-21
11.4.2.1 HTAWS Alerting ................................................................. 11-21
11.4.2.2 Power Up .......................................................................... 11-22
11.4.3 HTAWS Page ..................................................................... 11-22
11.4.4 Terrain Page Menu ............................................................ 11-23
11.4.4.1 View Selection ................................................................... 11-23
11.4.4.2 HTAWS Inhibit ................................................................... 11-24
11.4.4.3 External HTAWS Inhibit Control .......................................... 11-25
11.4.4.4 Reduced Protection Mode .................................................. 11-25
11.4.4.5 Alert Acknowledge ............................................................ 11-26
11.4.4.6 HTAWS Manual Test .......................................................... 11-26
11.4.4.7 HTAWS Legend .................................................................. 11-27
11.4.4.8 Flight Plan Overlay ............................................................ 11-28
11.4.5 HTAWS Symbols ................................................................ 11-28
11.4.6 General Database Information ........................................... 11-30
11.4.7 Database Versions ............................................................. 11-30
11.4.8 Database Updates ............................................................. 11-30
11.4.9 Terrain Database Areas of Coverage ................................... 11-31
11.4.10 Obstacle Database Areas of Coverage ................................ 11-32
11.4.11 HTAWS Alerts .................................................................... 11-32
11.4.12 Forward Looking Terrain Avoidance .................................... 11-33
11.4.13 Voice Call Out Aural Alert .................................................. 11-34
11.4.14 Voice Call Out Selection ..................................................... 11-35
11.4.15 HTAWS Not Available Alert ................................................ 11-37
11.4.16 HTAWS Failure Alert........................................................... 11-37
11.4.17 HTAWS Alert Summary....................................................... 11-37
11.4.18 Pilot Actions ...................................................................... 11-39
190-01007-03 Rev. D Garmin GTN 725/750 Pilot's Guide
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
xv
Index