Garmin GNC 420AW, Installation Manual

Page: 133 / 236

400W Series Installation Manual Page 6-5
190-00356-02 Rev. G
Alert Text Possible Cause Solution
•
The external push-to-talk
(PTT) switch is stuck in the
enabled (or “pressed”) state.
•
Try pressing the PTT switch
again to cycle its operation.
COM push-to-talk key stuck
(430W only)
•
Wiring is incorrect.
•
Check wiring
•
Try pressing the switch again
to cycle its operation.
•
Verify the wiring is correct.
COM remote transfer key is stuck
(430W only)
•
The remote COM transfer
switch is stuck in the enabled
(or “pressed”) state.
•
If the message persists,
contact Garmin technical
support.
•
Try pressing the switch again
to cycle its operation.
COM transfer key stuck
(430W only)
•
The COM flip-flop key is stuck
in the enabled (or “pressed”)
state.
•
If the message persists,
contact Garmin technical
support.
•
The unit has detected
excessive unit temperature.
The COM transceiver transmit
power has been automatically
reduced to compensate for the
condition.
•
Check for adequate ventilation
or check cooling airflow. Refer
to Section 2.7 of the
installation manual.
COM transmitter power has been
reduced (430W only)
•
Insufficient voltage level
•
Check the input voltage
Configuration error - Config
service req’d
•
The configuration information
has been lost or corrupted.
•
Reconfigure the unit
Data transfer cancelled (crossfill
is busy)
•
An attempt to transfer flight
plan data during a unit-to-unit
crossfill was cancelled.
•
The host unit is busy. Wait
until any previous crossfill
operation is complete, before
reattempting the transfer.
Data transfer cancelled (data
invalid)
•
An attempt to transfer a single
user waypoint during a unit-to-
unit crossfill was cancelled.
No waypoint was specified on
the Crossfill Page.
•
Select a user waypoint and re-
attempt the transfer.
Data transfer cancelled (version
mismatch)
•
An attempt to transfer data
during a unit-to-unit crossfill
was cancelled. The database
versions of the two 400W
Series units are not identical.
•
If necessary, update the
database(s) so they match.
Data transfer error, please re-
transmit
•
An error was detected during
unit-to-unit crossfill of user
data (user waypoints and/or
flight plans).
•
The data transfer should be re-
attempted.
Display backlight failure
•
The 400W Series unit has
detected a failure in the
display backlighting.
•
Contact Garmin technical
support.
Do not use for navigation
•
The 400W Series unit is in
Demo Mode and must not be
used for actual navigation.
•
Check that the DEMO MODE
SELECT pin is not connected.
See section 4.5.1.12.
G/S has failed (430W only)
•
The unit has detected a failure
in the glideslope receiver.
•
Contact Garmin technical
support.