Default CH3 is1 FUTABA Thuttle
Try CH3 for your ESC Connection , If thuttle RANGE IS OVER TRY GIVE 100% THUTTLE and connect the battary the lowest the thuttle again to set the Thuttle range
ESC = electronic speed controller (電變). EPA- ch3, push throttle stick up and set it to 100%, then push it to lowest postion and set it to 100% again. sorry don't have art tech so not sure how to set it up..... Is it right zifu?