Garmin G2000 Cockpit Reference Manual page 142

Annunciations & Alerts
System Message
COM1 SERVICE – COM1 needs
service. Return unit for repair.
COM2 SERVICE – COM2 needs
service. Return unit for repair.
COM1 PTT – COM1 push-to-
talk key is stuck.
COM2 PTT – COM2 push-to-
talk key is stuck.
COM1 RMT XFR – COM1
remote transfer key is stuck.
COM2 RMT XFR – COM2
remote transfer key is stuck.
COM1 MANIFEST –
COM1 software mismatch,
communication halted.
COM2 MANIFEST –
COM2 software mismatch,
communication halted.
LOI – GPS integrity lost.
Crosscheck with other NAVS.
LOSS OF GPS NAVIGATION –
Poor Satellite Coverage.
GPS NAV LOST – Loss of GPS
navigation. Position error.
GPS NAV LOST – Loss of GPS
navigation. GPS fail.
ABORT APR – Loss of GPS
navigation. Abort approach.
APR DWNGRADE – Apr
downgraded.
TRUE NORTH APPROACH –
Change HDG reference to true.
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Garmin G2000 Cockpit Reference Guide for the Cessna Corvalis T240
Comments
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.
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.
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.
The COM 1 and/or COM 2 has incorrect software
installed. The system should be serviced.
GPS integrity is insufficient for the current phase of
flight.
Loss of GPS navigation due to insufficient satellite
coverage.
Loss of GPS navigation due to position error.
Loss of GPS navigation due to GPS failure.
Abort approach due to loss of GPS navigation.
Vertical guidance generated by SBAS is unavailable.
Use only LNAV minimums.
Displayed after passing the first waypoint of a true
north approach when the nav angle is set to 'AUTO'.
190-01264-01 Rev. A