Garmin GTN 650 Series Pilot's Manual Upgrade Supplement page 124

Message
TRAFFIC -
Traffic device is
inoperative or
connection to GTN
is lost.
TRAFFIC -
Traffic device has
been in standby
for more than 60
seconds.
TRAFFIC -
Traffic device
battery low. Traffic
device user config
settings not saved.
TRANSPONDER -
Transponder 1
and 2 Mode S
addresses do not
match.
TRANSPONDER
1 OR 2
Transponder 1 or 2
needs service.
TRANSPONDER
1 OR 2
Transponder 1 or
2 is inoperative or
connection to GTN
is lost.
118
GTN 650/750 Series SW V3.00 Upgrade Supplement 190- 01007-05 Rev A
Description
The GTN is configured
for a traffic device but
is not receiving data
from it. Traffic will not
be displayed on the
GTN.
The GTN is airborne
and the traffic device
has been in standby for
more than 60 seconds.
The GTN is configured
for two transponders
and their Mode S
addresses do not
match. This message
is intended to assist
installers and will not
occur in a properly
configured system.
The transponder is
reporting to the GTN
that it needs service.
The transponder may
continue to function.
The GTN is configured
for transponder 1 or
2 but is not able to
communicate with the
transponder.
Action
Contact dealer for service.
Set the traffic device to "operate"
on the traffic page if traffic alerts
are desired.
Contact dealer for service.
Contact dealer for service.
Verify squawk code and altitude
with ATC. Contact dealer for
service.
Verify squawk code and altitude
with ATC. Contact dealer for
service.