Garmin GTN 750 Pilot's Guide - Page 304

14.3 Foreword GDL 69/69A Data Link Receiver Troubleshooting Getting Started Some quick troubleshooting steps listed below can be performed to find the possible cause of a failure. Audio & Xpdr Ctrl • Ensure the owner/operator of the aircraft in which the Data Link Receiver is Com/Nav installed has subscribed to XM • Ensure the XM subscription has been activated FPL • Perform a quick check of the circuit breakers to ensure that power is applied to the Data Link Receiver Direct-To For troubleshooting purposes, check the Menu on the Music Page or the Proc GDL 69 Box on the System - External LRUs Page for Data Link Receiver (GDL 69/69A) status, serial number, and software version number. Charts It may take several minutes for all subscribed data to become available after power-up. Wpt Info Text Color Description Map White Subscribed Grey Not Subscribed Traffic Green Available Terrain Table 14-1 Product Status 1. Touch the Status key on the Music page to display the Weather GDL 69/69A Status. Data Radio ID & Nearest Signal Level Audio Radio ID & Signal Level Music Utilities Subscription Level GDL 69A SW Version and Serial Number Weather System Product List Messages Symbols Appendix Index 14-8 Figure 14-9 GDL 69 Status Page Garmin GTN 725/750 Pilot's Guide Weather Product Legend Music Menu 190-01007-03 Rev. B