11-14
GTN 725/750 Pilot’s Guide
190-01007-03 Rev. Q
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
Index
Terrain Overlay
Flight Plan
Alert
Annunciation
Terrain Legend
Icon shows wire
obstacle overlay is active
(software v5.12 or later)
Icon shows point
obstacle overlay is active
(software v5.12 or later)
Obstacle Legend
(software v6.00
or later)
Figure 11-8 Flight Plan and Legend Shown On Terrain Page
3. Touch the
Legend
key to toggle the display of the Terrain and
Obstacle legend.
11.5.5.2 Terrain Page View
Select the 120º Arc or 360º rings overlay for the Terrain page with either the
360
or
Arc
keys from the Menu.
1. While viewing the Terrain page, touch the
Menu
key.
2. Touch the
360º
or
Arc
key.
11.5.5.3 Terrain Alerting Selections
An inhibit function allows you to manually inhibit aural terrain alerts. After
cycling power, terrain alerting functions will no longer be inhibited.
1. While viewing the Terrain page, touch the
Menu
key.
2. Touch the
Terrain Inhibit
key to toggle the inhibiting of terrain
alerts.
3. Touch the
Test Terrain
key to perform an internal test of the
terrain alerting system. This function is not available when the
aircraft is in the air.
