Garmin 20 Pilot's Manual page 116

Detailed Operation
Radar
104
Fault Message
HV An irregularity with the onboard
high voltage power supply. It may
be hazardous to place the radar in
transmit mode.
AFC The Automatic Frequency Control
is unable to lock on to the transmit
frequency. Radar performance will
be impaired and indicated return
intensity is not reliable.
TEMP The temperature is too high to
safely activate the radar transmitter.
XMITTER A problem is detected in the re-
ceiver or transmitter. The unit may
be hazardous to use.
CALIBRATE A problem has been detected with the
internal factory-calibration settings.
CONFIG The configuration settings are cor-
rupted or missing.
EEPROM or RAM A problem has been detected with
the internal memory.
FPGA A problem has been detected with
the internal FPGA device.
Description
Power off the radar. The radar needs
service.
Power off the radar. The radar needs
service.
Power off the radar. Do not use the
radar until its temperature falls and
the fault clears.
Power off the radar. The radar needs
service.
Power off the radar. The radar needs
service.
Power off the radar. The radar needs
service.
Turn the power off and then back
on. If the message persists the radar
needs service.
Turn the power off and then back
on. If the message persists the radar
needs service.
Action