RCbro
®
SPARROW 2
User-Manual
LefeiRC www.lefeirc.com/
RTH mode: Push the throttle to the MAX, shake the plane or give the plane an initial
speed. After the motor rotates(Start slowly), the plane will automatically climb and circle
at HOME.
➢ Takeoff/Landing State
The motor is slowly activated only in the takeoff / landing state, when the altitude is
above 30m, the speed is greater than 3m/s, then enter the normal flight state,at this time,
switch to the RTH mode, the motor is no longer started slowly; when the altitude is below
15m, the throttle is minimum, the speed is less than 1 m/s, then enter the landing state,
at this time, switch to the RTH mode, the motor will start slowly.
➢ Throttle Control
The throttle in the return home mode is controlled semi-automatically. If the cruising
speed is low, the user can manually raise the throttle to increase the speed; the throttle
in other modes is manually controlled.
➢ Throttle Output
Before using RC to unlock the FC, the throttle is locked,no output! After unlocking, the
throttle output is determined by the GPS state, referring to the table below.