11-26
Garmin GTN 725/750 Pilot’s Guide
190-01007-03 Rev. D
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
11.4.4.5 Alert Acknowledge
In NORMAL mode (RP Mode not active) - when a caution is active touch the
Alert ACK key to suppress the aural alert for the active caution. In RP mode -
when a warning is active then this will muffle the alert audio to 40% of normal
volume for 10 seconds.
To acknowledge an alert:
1.
While viewing the Terrain/HTAWS page, when an alert is
received, the
Alert ACK
key will be show the green bar.
2. Touch
MENU
and then touch the Alert ACK key to acknowledge
the alert.
To activate RP Mode:
1.
While viewing the Terrain/HTAWS page, touch
MENU
.
2. Toggle activation of RP Mode by touching the
RP Mode
key.
RP Mode will be active when the green bar is present.
11.4.4.6 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.
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