User Instructions
Black Dragonfly Agriculture Drone Instruction Book 
17 
Unlock and Lock 
Unlockable mode: Altitude hold /GNSS assist/position hold mode 
Lockable mode: Altitude hold /GNSS assist/position hold mode 
Unlock method:Maximum pitching, minimum throttle volume, heading right full lever, roll left full lever, 
indicator light turns flashing to normal, that means it has been unlocked;   
Unlock request:   
  When altitude hold mode are self-inspected ,means it has been unlocked ;  
 GNSS assist/position keep mode, the satellite is positioning, light will be on green and single flash; 
Lock method:   
Maximum pitching, minimum throttle volume, heading left full lever, roll right full lever, lock immediately, the 
indicator light will starts flashing, means lock is successful; 










