Garmin GTN 750 Pilot's Guide - Page 234

11.3.5 Using TAWS Foreword During unit power-up, the terrain/obstacle database versions are displayed. Getting Started At the same time, TAWS self-test begins. One of the following aural messages is generated: Audio & Xpdr Ctrl • "TAWS System Test OK" (not given if the aircraft is on the ground) Com/Nav • "TAWS System Failure" TAWS information can be displayed on the Map page. Terrain and obstacles FPL with heights greater than 200 feet Above Ground Level (AGL) are displayed in yellow and red. The GTN 7XX adjusts colors automatically as the aircraft Direct-To altitude changes. Proc Charts Wpt Info Map Traffic Terrain Weather View Layers Layers 360 Arc Flight Plan Legend TAWS Inhibit Test TAWS Figure 11-5 TAWS Page Functional Diagram Nearest 11.3.6 Displaying TAWS Data Music TAWS uses yellow (caution) and red (warning) to depict terrain and obstacles Utilities alerts relative to aircraft altitude. Colors are adjusted automatically as the aircraft altitude changes. The colors and symbols shown below are used to represent System terrain, obstacles, and potential impact points. Messages Symbols Appendix Index 11-8 Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. B