Garmin G500 Pilot's Manual page 260

Alert Message
HDG LOST
<LRU> CONFIG
<LRU>
COOLING
<LRU> DB ERR
<LRU> SERVICE
<LRU> VOLTAGE
MANIFEST
6-6
Description
• HDG features
disabled or
defaulted to GPS1
TRK
• <LRU> config
error. Config service
required.
• <LRU> is not
configured correctly.
• <LRU> may not
function properly.
• <LRU> has poor
cooling. Reducing
power usage.
• GDU backlighting
has been reduced.
• <LRU> database
error exists.
• <LRU> needs
service. Return unit
for repair.
• <LRU> has low
voltage. Reducing
power usage.
• <LRU> software
mismatch,
communication
halted.
Garmin G500 Pilot's Guide
Action
• Contact your Garmin dealer for
service.
• Extended operation at high
temperatures is not recommended
as damage to the GDU may occur.
• Contact your Garmin dealer for
service.
• Error present in <specific
database>.
• Data from <specific database>
should be considered suspect.
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
• Contact your Garmin dealer for
service.
190-01102-02 Rev. B