Garmin Appliance Data User's Guide Page 56

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Part Four: Section 2
HTAWS Operation
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.
“Test HTAWS” selection
To manually test the HTAWS system:
1. Select the HTAWS Page and press MENU.
2. Select the “Test HTAWS?” option.
3. Press ENT to confirm the selection.
HTAWS Test 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
ground speed exceeds 30 knots so as not to
impede HTAWS alerting.
HTAWS Legend
1. Select the HTAWS Page and press
MENU. Turn the large or small
right knob to highlight “Hide
Legend?” or “Show Legend?.
2. Press ENT. The legend will be hidden or shown
as selected.
HTAWS Display with Legend
Color Description
Red Terrain is more than 250 ft above the aircraft.
Orange Terrain is between 0 ft and 250 ft above the aircraft.
Yellow Terrain is between 250 ft and 0 ft below the aircraft.
Green Terrain is between 250 ft and 500 ft below the aircraft.
Black Terrain is more than 500 ft below the aircraft.
190-00356-30 Rev L
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