I had almost the exact same question a while back and here is a copy of the answer given to me
I hope this helps, it came from a helpfull flyer on another thread

On a regular radio the channels are as follows:
Right Stick
channel 1: ailerons
channel 2: elevator
Left Stick
channel 3: throttle
channel 4: rudder

You would move the servo plug from channel 4 to channel 1 thusly making your main control surface on the same stick. Throttle up and then use the right stick to control where the plane goes., if you are using a 3 channel plane. On a four channel, it's basically the same but instead of using the rudder to turn left and right, you are using the elevator and ailerons and maybe some rudder depending on the type of flying you are doing.