Flight 55 Flight Environment Requirements 55 Flight Limits and GEO Zones 55 Pre-Flight Checklist 57 Auto Takeoff/Landing 57 Starting/Stopping the Motors 58 Test Flight 58 Appendix 61 Specifications 61 Calibrating the Compass 64 Firmware Updates 65 Remote Controller LCD Screen Menu Information 66 After-Sales Information 68 4 © 2018 DJI All Rights Reserved.