Garmin GTN 650 Pilot's Guide - Page 317

Message Description Action MAGNETIC VARIATION Aircraft in area with large mag var. Verify all course angles. MagVar is flagged as unreliable in the MagVar database. This normally occurs when operating at high latitudes that do not support a Nav Angle of Magnetic. Verify that the geographical region supports navigation based on magnetic variation. NAV ANGLE NAV Angles are referenced to True North (T). Nav angle is set to True. No action is necessary; message is informational only. NAV ANGLE NAV Angles are referenced to a User set value (U). Nav angle is set to User. No action is necessary; message is informational only. NON-WGS84 The active waypoint is not No action is necessary; message is WAYPOINT - referenced to the WGS84 informational only. See CRG. Location datum. may be different than where surveyed for [WPT]. OBS - OBS requires an active OBS is not waypoint and is not available due to supported in dead dead reckoning or reckoning mode. no active waypoint. No action is necessary; message is informational only. PARALLEL TRACK - Parallel track is Parallel track not not supported on supported past IAF. approaches. No action is necessary; message is informational only. Foreword Getting Started Xpdr Ctrl Com/Nav FPL Direct-To Proc Wpt Info Map Traffic Terrain Weather Nearest Music Utilities System Messages Symbols Appendix Index 190-01004-03 Rev. B Garmin GTN 625/635/650 Pilot's Guide 16-11