This step ensures all motors start at the same time and respond equally to your throttle: : Ensure propellers are OFF .
: Use the on-board "PI Editor" to adjust the gain settings if your drone feels shaky or sluggish. Beginners can often start with the default firmware settings provided by DroneTrest. KK2.1 Flight Controller Guide - Guides
: Turn on your transmitter and set the throttle to maximum. kk2.jpg
: Wait for the ESCs to emit a short beep (full throttle signal), then immediately lower the transmitter throttle to idle.
: Move the throttle to zero and the rudder stick to the far left. This step ensures all motors start at the
: Hold down Buttons 1 and 4 on the KK2 board and keep them pressed. Power Up : Plug in the drone's battery.
: Place the flight controller (FC) on your frame with the LCD facing the front of the craft and the buttons toward the back. : Hold down Buttons 1 and 4 on
: Use the "Subtrim" function on your transmitter to ensure all values (except throttle) show ZERO when the sticks are centered. 3. ESC Calibration