400/500 Series Garmin Optional Displays

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Section 2
TAWS Operation
Figure 2-1: The TAWS Page
Section 2: TAWS Operation
Power Up
During power-up of the 500 Series unit, the terrain/obstacle database versions are displayed along
with a disclaimer to the pilot. At the same time, TAWS self-test begins. TAWS gives the following aural
messages upon test completion:
• ‘TAWS System Test, OK’, if the system passes the test
• ‘TAWS System Failure’, if the system fails the test
A test failure is also annunciated for TAWS, as shown on page 63.
TAWS Page
The TAWS Page (Figure 2-1) is in the NAV group of pages (see the 400/500 Series Pilot’s Guide for
detailed information regarding page groups and pages). To display the TAWS Page, select the NAV group
and turn the small right knob until the TAWS Page is displayed. Terrain information, aircraft ground
track, and GPS-derived MSL altitude are displayed on the page. Altitude is shown in increments of 20
feet or in increments of 10 meters, depending on unit configuration. The ‘G’ to right of the MSL altitude
display reminds the pilot that altitude is GPS-derived. The TAWS Page has two selectable view settings:
•360˚ View—View from above aircraft depicting surrounding terrain on all sides
•120˚ View—View of terrain ahead of and 60˚ to either side of the aircraft flight path
NOTE: The TAWS Page gives a ‘Track Up’ display orientation, as indicated by the ‘TRK’ label shown on
the display. This is the only orientation available for the TAWS Page.