User Manual

• All propellers should still be removed.
• Arm the KK2.1.X by moving the throttle to minimum and yaw to the right for a few seconds.
and apply a little throttle. Ensure all motors spin in the direction as indicated by the Motor
Layout. If a motor needs reversing, you need to remove two of the three motor wires from
the ESC and swap them over. The KK2.1.X cannot be used to reverse the direction of a
motor.
• With the motors running, if you push the roll/pitch stick towards a motor, it should slow
down and the opposite motor should speed up. If not, check the stick directions in Receiver
Test.
• With the motors running and the sticks central, dip one of the motors and it should speed
up. If not, check the stick directions in Receiver Test.
• Disarm the KK2.1.X by moving the throttle to minimum and yaw to the left for a few
seconds.
• Turn off the Multicopter.
• Turn off your transmitter.
First Flight
• You are now ready to fly.
• Ensure the propellers are placed on the right motors for the direction that they are turning.
• Remember to turn your transmitter on first and turn it off last.
• Turn your transmitter on.
• Turn on the Multicopter.
• Step away at least 5 meters.
• Arm the KK2.1.X by moving the throttle to minimum and yaw to the right for a few seconds.
• The buzzer will sound and the KK2.1.X LED will light.
• Turn self level off.
• Gently lift the throttle.
• If it wants to tip over right away, check your motor connections and your custom made
mixer table if you have one.
• If it’s a tricopter and it starts to pirouette on take off, go to the Mixer Editor and select the
channel that the servo is connected to (usually output 4 or 7) and change the Rudder value
from +100 to -100.
• If it shakes and maybe climbs after it’s airborne, adjust the Roll and Pitch P Gain down.
• If it easily tips over after it's airborne, adjust Roll and Pitch P Gain up.
• Increase the Roll and Pitch I gain (note the difference from P gain) until it flies straight
forward without pitching up or down.
• Once you have adjusted your PI Gains to your satisfaction, turn self level on and adjust the
Self Level P gain.
• More detailed PI gain setting instructions can be found in the PI Editor section of this
manual.
• Adjust Stick Scaling to your liking.
• After flying, turn off the Multicopter.
• Then turn off your transmitter.