4-86Garmin G500 Pilot’s Guide 190-01102-02 Rev. EForewordSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8GlossaryAppendix AAppendix BIndex2) Select XM Weather by repeating the process and selecting the XM Weatheroption.Figure 4-81 Select XM Weather4.10.1 Using GFDS Satellite Weather ProductsWhen a weather product is active on the Weather Data Link Page or theNavigation Map Page, the age of the data is displayed on the screen. The age ofthe product is based on the time difference between when the data was assembledon the ground and the current GPS time. Weather products are refreshed atselectable intervals.If for any reason, a weather product is not refreshed within the 30, 60, 90,or 120 minute Expiration Time intervals, the data is considered expired and isremoved from the display. This ensures that the displayed data is consistent withwhat is currently being broadcast by GFDS Satellite Radio services. If more thanhalf of the expiration time has elapsed from the time the data is received, thecolor of the product age displayed changes to yellow.4.10.2 Register With GFDS4.10.2.1 Register With GFDSIt is necessary to register the GDU with GFDS to utilize the weather products.1) Call Garmin Customer Service to create a GFDS account. Provide the GDUSystem ID and airframe info (model, tail number, etc).2) Customer Service will issue an access code to enter on the GFDS Registration page.3) While viewing a WX Data Link Map page of the WX page group, press theMENU key to display the Page Menu Options.4) Turn the large MFD knob to highlight "Register With GFDS." Press ENT.
