Press start during gameplay and enter R1, R2, R1, R2, R1, R2.
Press start during gameplay and enter L1, L2, L1, L2, L1, L2. You should hear a sentence spoken, that would confirm the code being entered. Use the direction buttons to experiment the code. Up and Down are for moving the agle vertically while left and right is moving it from side to side. Presing all the shoulder buttons will increase increments by .1 degree. And finally pressing Triangle and X will toggle initial velocity.