Horizon Hobby LLC BLH8850 ユーザーズマニュアル

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• If the quadcopter continually drifts forward or backward, adjust the 
elevator trim in the opposite direction.
• If the quadcopter continually drifts to the left or right, adjust the 
aileron trim in the opposite direction.
Continue making minor trim adjustments until the machine hovers at a 
low altitude with very little drifting and directional control input. If this is 
your first multicopter or helicopter, seek the help of an experienced pilot 
to trim the model for you before making your first flight.
With your quadcopter properly trimmed and maintaining a stable 
low-level hover, practice using the rudder, elevator and aileron controls 
to familiarize yourself with the machine’s responses to control inputs. 
Remember to keep the control inputs as minimal as possible.
Average flight times are 3-4 minutes.
Landing
To land the quadcopter, establish a low level hover. Slowly lower the 
throttle until the quadcopter touches down.
After landing, press the arming button to disarm the motors.
Unplug and remove the flight battery.
To prevent excessive wear to the motors, always allow the motors to 
cool between flights.
NOTICE: Crash damage is not covered under warranty.