G1000 Supplemental Maintenance Manual Page 2-1Textron Nav III Series Revision 3190-02128-042. SYSTEM DESCRIPTION2.1 Equipment DescriptionsFor description of equipment and functions not listed here, refer to the G1000 Nav III LineMaintenance Manual, Garmin part number 190-00352-00.GDU 1054B OR GDU 1050 PFD & MFDTwo Garmin GDU 1054B or GDU 1050 displays are installed in the Nav III instrument panel.The GDU 1054B displays are standard equipment on all Nav III models, while the GDU 1050displays are installed on Model 172 aircraft that are not equipped with the Garmin GFC700autopilot.The GDU 1054B or GDU 1050 displays are 10.4 inch LCD displays with 1024 x 768 resolution.The GDU 1054B or GDU 1050 units communicate with each other and the GIA 63W unitsthrough a high-speed data bus (HSDB) Ethernet connection.The PFD receives primary electrical power from the Essential Bus and secondary electricalpower from Avionics Bus No. 1. The MFD receives electrical power from Avionics Bus No. 2.The displays will power-up immediately with external or aircraft power or battery operation.All displays are installed in the panel using ¼-turn fasteners.Flight Stream 510The Flight Stream™ 510 (FS 510) is a Wi-Fi/Bluetooth capable multi-media card (MMC)installed the bottom SD slot of the MFD. It sends position, velocity, time, attitude, heading, FIS-B, TIS-B traffic, Sirius XM audio control, Sirius XM weather data, and flight plan transfer tomobile devices via Bluetooth. The FS 510 can also interface with a mobile device via Wi-Fipairing for the purposes of updating databases used by the GDU(s). Bluetooth and Wi-Fi aremutually exclusive with only one interface functional at a time. Connecting via Wi-Fi requires apilot-configurable Wi-Fi Protected Access WPA2 security password. By updating databaseswirelessly, new databases may be transferred to the G1000 system without taking the data cardout of the aircraft.Figure 2-1 Flight Stream 510
