Garmin G3X MFD Quick Reference Guide190-01055-00 Rev. Aappendix a37Overview GPS Navigation Flight Planning Hazard Avoidance Additional Features Appendices IndexSectiON 6 aPPeNdiceSMeSSaGeS, alertS & data Field OPtiONSMiScellaNeOuS MeSSaGe adviSOrieS• Approaching Target Altitude—within 1,000 feet of final VNAV target altitude.• Approaching VNAV Profile—the aircraft is within one minute of reaching theinitial VNAV decent point.• Arriving at XXX—the aircraft is nearing the destination.• Can’t Unlock Maps—no applicable unlock code for one or more maps was found.All MapSource maps are not accessible.• Database Error—internal problem with the system. Contact your dealer or GarminProduct Support to have the unit repaired.• Fuel Tank—a reminder for switching fuel tanks. The reminder message repeats atthe specified interval after the beginning of each trip.• Lost Satellite Reception—the system is unable to receive satellite signals.• Memory Full—system memory is full, no further data can be saved.• Near Proximity Point—you have reached the distance set for a proximitywaypoint.• Next DTK XXX—the aircraft is nearing a turn in a route.• No XM Signal—the XM antenna is not receiving a signal.• Proximity Memory Full—no additional proximity waypoints can be saved.• Proximity Radius Overlaps—the radius of two proximity waypoints overlap.• Route Already Exists—a route name that already exists has been entered.• Route Memory Full—no additional routes can be saved.• Route Truncated—uploaded route from another device has more than 300waypoints.