Garmin GTN 750 Pilot's Guide - Page 264

12.1.11 Freezing Level Foreword Freezing Level data shows the color-coded contour lines for the altitude and Getting Started location at which the Freezing Level is found. When no data is displayed for a given altitude, the data for that altitude has not been received, or is out of date Audio & Xpdr Ctrl and has been removed from the display. New data appears on the next update. Com/Nav FPL Direct-To Proc 1. While viewing the Data Link Weather menu, touch the Freezing Level key. Product Age Freezing Level Line Charts Present Position Wpt Info Map Traffic Terrain Weather Figure 12-21 Freezing Level 2. Touch the Freezing Level key again to turn it off. Nearest Music Utilities System Messages Figure 12-22 Freezing Level Legend Symbols Appendix Index 12-18 Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. B