Cockpit Reference Guide

Garmin G1000 Cockpit Reference Guide for the Beechcraft 300/B300 Series
190-01344-01 Rev. A 111
Annunciations & Alerts
Flight
Instruments
Nav/Com/
XPDR/Audio AFCS GPS Nav
Flight
Planning Procedures
Hazard
Avoidance
Additional
Features Annun/Alerts Appendix Index
Message Comments
COM1 SERVICE – COM1 needs
service. Return unit for repair.
The system has detected a failure in COM1 and/or
COM2. COM1 and/or COM2 may still be usable.
The system should be serviced when possible.
COM2 SERVICE – COM2 needs
service. Return unit for repair.
COM1 PTT – COM1 push-to-talk
key is stuck.
The COM1 and/or COM2 external push-to-talk
switch is stuck in the enable (or “pressed”) position.
Press the PTT switch again to cycle its operation.
If the problem persists, the system should be
serviced.
COM2 PTT – COM2 push-to-talk
key is stuck.
COM1 RMT XFR – COM1 remote
transfer key is stuck.
The COM1 and/or COM2 transfer switch is stuck
in the enabled (or “pressed”) position. Press
the transfer switch again to cycle its operation.
If the problem persists, the system should be
serviced.
COM2 RMT XFR – COM2 remote
transfer key is stuck.
RAIM UNAVAIL – RAIM is
not available from FAF to MAP
waypoints.
GPS satellite coverage is insufficient to perform
Receiver Autonomous Integrity Monitoring (RAIM)
from the FAF to the MAP waypoints.
LOI – GPS integrity lost. Crosscheck
with other NAVS.
GPS integrity is insufficient for the current phase
of flight.
GPS NAV LOST – Loss of GPS
navigation. Insufficient satellites.
Loss of GPS navigation due to insufficient
satellites.
GPS NAV LOST – Loss of GPS
navigation. Position error.
Loss of GPS navigation due to position error.
GPS NAV LOST – Loss of GPS
navigation. GPS fail.
Loss of GPS navigation due to GPS failure.
ABORT APR – Loss of GPS
navigation. Abort approach.
Abort approach due to loss of GPS navigation.
APR DWNGRADE – Approach
downgraded.
Vertical guidance generated by SBAS is
unavailable, use LNAV only minimums.
TRUE APR – True north approach.
Change HDG reference to TRUE.
Displayed after passing the first waypoint of a
true north approach when the nav angle is set
to ‘AUTO’.