Garmin GDL 52 Installation Manual - Page 17

2.9 Front Panel The GDL 5X/5XR has several status LEDs visible on the face of the unit that indicate the unit's current status. Table 2-6 describes the operation of the status LEDs. GDL 5X LEDs are auto-dimming, GDL 5XR LEDs are fixed brightness. LED Color/ State OFF RED ORANGE GREEN BLUE Table 2-6 GDL 5X/5XR Status LEDs Battery/Power Connext Unit off Charging (solid) Fault (flashing) No active connection Not used Battery = 20% OR External power is applied Battery saver feature (flashing) N/A N/A Active connection (solid) OR Pairing list cleared (flashing) GPS No GPS fix Fault Firmware update GPS fix ADS-B (GDL 52/52R only) No Ground Signal SXM No signal Fault Fault Firmware update Firmware update Ground station signal received in the last minute Minimum required or better signal N/A N/A N/A 190-02087-10 Rev. 1 GDL 51(R)/52(R) Installation Manual Page 2-7