Garmin G1000H Marine Radio User Manual


 
190-01255-00 Rev. B
Garmin G1000H
Pilot’s Guide for the Bell 407GX
349
HAZARD AVOIDANCE
SYSTEM STATUS
Duringsystempower-up,HTAWSconductsasystem-testofitsauralandvisualannunciations.Thesystem
test canalso bemanually initiated. Anaural alertis issuedat testcompletion. HTAWSSystem Testing is
disabledwhengroundspeedexceeds30knots.Noterrain,obstacle,orVCOalertingisavailablewhileasystem
test is in progress.
Alert Type
PFD/HTAWS Page Status
Annunciation
HTAWS Page Center
Banner Annunciation
Aural Message
System Test in Progress HTAWS TEST None
System Test Pass None None “HTAWS Test OK”
HTAWS System Failure HTAWS FAIL “HTAWS Failure”
HTAWS Not Available None “HTAWS Not Available”
HTAWS Availability Restored None None “HTAWS Available”*
HTAWS FLTA Alerting Inhibited None None
Reduced Protection Mode Enabled None None
* Aural message not issued if HTAWS is inhibited.
Table 6-10 HTAWS System Status Annunciations
Manually testing the HTAWS System:
1) Select the HTAWS Page.
2) Press the MENU Key (Figure 6-83).
3) Select ‘Test HTAWS System’ and press the ENT Key to confirm the selection.
Figure 6-83 HTAWS Page Menu
HTAWScontinuallymonitorsseveralsystem-criticalitemssuchasdatabasevalidity,hardwarestatus,andGPS
status.Iftheterrain/obstacledatabaseisnotavailable,theauralmessage“HTAWS Failure” is generated along
withthe‘HTAWSFAIL’alertannunciation.
HTAWSrequiresa3-DGPSnavigationsolutionalongwithspecicverticalaccuracyminimums.Shouldthe
navigationsolutionbecomedegradedoriftheaircraftisoutofthedatabasecoveragearea,theannunciation