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10-40
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Terrain
10.7.4.5 HTAWS Manual Test
Garmin HTAWS provides a manual test capability which verifies the proper
operation of the aural and visual annunciations of the system prior to a flight.
To manually test the HTAWS system:
1. While viewing the Terrain/HTAWS page, touch
MENU
.
2. Touch the
Test HTAWS
key.
3. Touch
Back
to return to the Terrain/HTAWS display.
An aural message is played giving the test results:
• “
HTAWS System Test, OK
” if the system passes the test
• “
HTAWS System Failure
” if the system fails the test
NOTE:
HTAWS System Testing is disabled when in the air so as not to
impede HTAWS alerting.
10.7.4.6 HTAWS Legend
1. While viewing the Terrain/HTAWS page, touch
MENU
.
2. Touch the
Legend
key to select the Terrain Legend, Obstacle
Legend, or to turn off the legend.
3. Press
Back
to return to the Terrain/HTAWS display.
Figure 10-28 HTAWS Terrain and Obstacle Legends
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