Garmin GTN 750 Pilot's Guide - Page 362

Foreword Getting Started Audio & Xpdr Ctrl Com/Nav FPL 16.6.2 Setting a User-Configured (Manual) Nav Angle There are three variation (heading) options: Magnetic, True, and User. If "Magnetic" is selected, all track, course and heading information is corrected to the magnetic variation computed by the GPS receiver. The "True" setting references all information to true north. The "User" selection allows the pilot to enter values between 0º and 179º E or W. NOTE: When changing the Nav angle, the DTK on the Flight Plan page for an approach does not change until that approach is reloaded. Direct-To Proc 1. While viewing the System page, touch Units key. 2. Touch the Nav Angle key and then the User key. Charts Wpt Info Map Touch to select User (manual) mag var Traffic Terrain Weather Nearest Figure 16-27 Nav Angle Selections 3. After User is selected, touch the Magnetic Variation key to set the value. Music Utilities Touch to set manual mag var System Messages Symbols Appendix Figure 16-28 Magnetic Variation is Available for Editing Index 16-24 Garmin GTN 725/750 Pilot's Guide 190-01007-03 Rev. B