190-01115-01 G3X/G3X Touch Installation Manual - GPS 20A InstallationRev. AC Page 16-216.1.1 Status LEDThe GPS 20A has two LEDs on its outer case that indicate its current unit and GPS status (Figure 16-1).The unit status LED is in the middle of the outer case between the coax and 9 pin connectors. See Section35.1.1 for details.The GPS status LED is on the edge of the outer case, to the left of the coax connector. Table 16-1 lists theGPS status indications.16.2 Statement of Compliance (per AC 90-114A CHG1)The Garmin GPS 20A, while not TSO approved, meets the ADS-B Out position source performancerequirements for FAR 91.227 compliance when used in combination with a Mode S ADS-B Outtransponder meeting the requirements of TSO-C166b and installed in accordance with the instructions inthis document. Example transponders which may be used in combination with the GPS 20A for FAR91.227 compliance are the Garmin GTX 330ES, GTX 23ES, GTX 35R, GTX 45R, GTX 345/345R, andGTX 335/335R.16.3 Equipment Available16.3.1 Required EquipmentTable 16-1 GPS Status LED IndicationsLED Indication DescriptionRed GPS hardware failureNo Light GPS acquiring, low signal to noise ratio or antenna not connectedSlow Flashing Green GPS acquiring, good signal to noise ratioFast Flashing Green GPS fix acquiredSteady Green GPS WAAS fix acquiredAlternating Red/Green CAN bus network error, two similar devices are configured with same unit IDTable 16-2 GPS 20A Part NumbersModel Assembly PartNumberUnit Only PartNumberGPS 20A 010-01546-00 011-03913-00
