15-27190-01004-03 Rev. F Garmin GTN 625/635/650 Pilot’s GuideForewordGettingStartedXpdr CtrlCom/NavFPLDirect-ToProcWpt InfoMapTrafflcTerrainWeatherNearestServices/MusicUtilitiesSystemMessagesSymbolsAppendixIndex15.6.2 Setting a User-Configured (Manual) Nav AngleThere are three variation (heading) options: Magnetic, True, and User. If“Magnetic” is selected, all track, course and heading information is correctedto the magnetic variation computed by the GPS receiver. The “True” settingreferences all information to true north. The “User” selection allows the pilot toenter values between 0º and 179º E or W.NOTE: When changing the Nav angle, the DTK on the Flight Plan pagefor an approach does not change until that approach is reloaded.1. While viewing the System page, touch the Units key.2. Touch the Nav Angle key and then the User key.Touch to select User(manual) mag varFigure 15-39 Nav Angle Selections3. After User is selected, touch the Magnetic Variation key toset the value.Touch To Set ManualMag VarUser NavAngle SelectedFigure 15-40 Magnetic Variation is Available for Editing
