Garmin GTN 625 Pilot's Manual page 310

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During unit power-up, the terrain/obstacle database versions are displayed.

At the same time, TAWS self-test begins, and one of the following aural messages

is generated:

• "TAWS System Test OK"

• "TAWS System Failure"

TAWS information can be displayed on the Map page. Terrain and obstacles

with heights greater than 200 feet Above Ground Level (AGL) are displayed

in yellow and red. The GTN 6XX adjusts colors automatically as the aircraft

altitude changes.

TAWS uses yellow (caution) and red (warning) to depict terrain and obstacles

alerts relative to aircraft altitude. Colors are adjusted automatically as the aircraft

altitude changes. The colors and symbols shown below are used to represent

terrain, obstacles, and threat locations. Obstacles are removed when more than

2,000 ft below the aircraft.

Using TAWS-B

Figure 10-12 TAWS-B Page Functional Diagram

Displaying TAWS-B Data

GTN 625/635/650 Pilot's Guide

TAWS Inhibit

190-01004-03 Rev. P

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