34
Part Three: Section 2
TAWS Operation
TERRAINconguredunitswillrestorethe“inhibit
state”atstartuptothelastpilot-selectedsetting.TAWS
configured units will always start up with TAWS alerts
uninhibited.
Inhibiting Terrain
To inhibit PDA and FLTA alerts:
1. Select the TAWS Page and press MENU.
“Inhibit Terrain?” is selected by default.
2. Press ENT. The PDA/FLTA alerts are inhibited.
The
annunciation is displayed in
the terrain annunciator field whenever terrain
is inhibited.
To enable PDA and FLTA alerts:
1. Select the TAWS Page and press MENU.
“Enable Terrain?” is selected by default.
2. Press ENT. The PDA/FLTA alerts are functional
again.
External TAWS Inhibit Control
An optional installation is allowed for providing
anexternalTAWSInhibitswitch.Pressingtheexternal
TAWS Inhibit switch toggles the TAWS inhibit on and
off in the same manner as using the Page Menu selec-
tion.
TAWS Manual Test
Garmin TAWS provides a manual test capability
which verifies the proper operation of the aural and
visual annunciations of the system prior to a flight.
“Test Terrain” selection
To manually test the TAWS system:
1. Select the TAWS Page and press MENU.
2. Select the “Test Terrain?” option.
3. Press ENT to confirm the selection.
An aural message is played giving the test results:
•“TAWS System Test, OK”ifthesystempassesthe
test
•“TAWS System Failure”ifthesystemfailthetest
NOTE: TAWS System Testing is disabled when
ground speed exceeds 30 knots so as not to
impede TAWS alerting.
190-00356-30 Rev C