Garmin GDL 51 User Manual page 14

LED Color/
Battery
State*
OFF
Charging (solid)
RED
Fault (flashing)
ORANGE Battery <=20%
Battery >= 20% OR
External power is
GREEN
Battery saver feature
BLUE
*LEDs are auto-dimming.
6
Figure 2 GDL 52 LEDs
Table 1 GDL 5X Status LEDs
Connext
No active
Unit off
connection
Not used
applied
(flashing)
Active connection
N/A OR pairing list
cleared (flashing)
Garmin GDL 50/51/52 User's Guide
GPS
No GPS
fix
Fault
Firmware
N/A
update
N/A GPS fix
N/A
ADS-B SXM
GDL 50/52 GDL 51/52
No signal No signal
Fault Fault
Firmware
N/A
update
Received at
least 1 ground Marginal -
station in past good signal
60 seconds
N/A N/A
190-02087-02 Rev. A