55
190-01007-04 Rev. C
GTN 725/750 Cockpit Reference Guide (CRG)
Messages
Message
Description
Action
AUDIO PANEL-
Audio panel needs
service.
The GMA 35 is reporting
to the GTN that it needs
service. The audio panel
may continue to function.
Contact dealer for service.
AUDIO PANEL-
Audio panel is
inoperative or
connection to GTN is
lost.
GTN is confi gured for
Garmin audio panel
control (GMA 35) and the
GTN cannot communicate
with the GMA 35. No
control of the GMA 35
will be possible.
Remove power from the
GMA 35 audio panel by
pulling the circuit breaker
labeled, “Audio”. The pilot
will be able to communicate
with the COM 2 radio.
Contact dealer for service.
APPROACH
DOWNGRADE-
Approach downgraded.
Use LNAV minima.
Approach has been
downgraded from LPV
or LNAV/VNAV, to an
LNAV approach. Vertical
guidance will be removed
from the external CDI/HSI
display.
Continue to fl y the
approach using published
LNAV minimums.
APR GUIDANCE
AVAILABLE-
Touch “Enable APR
Output” before
selecting APR on
autopilot.
GTN is confi gured
for KAP140/KFC225
autopilot, and approach
guidance is now available.
Touch the “Enable APR
Output” key on the GTN,
this will cause the autopilot
to go into ROL mode.
Engage the autopilot into
approach mode.
DATACARD REMOVED -
Reinsert SD card.
The SD card was removed
from the card slot.
Reinsert the SD card into
the card slot.
CDI SOURCE-
Select appropriate CDI
source for approach.
Aircraft is on a GPS
approach but CDI is set
to VLOC, or aircraft is on
VLOC approach and CDI
is set to GPS and aircraft
is less than 2 nm from
the FAF.
Select the appropriate CDI
source for approach.
Содержание GTN 725
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