As an optional upgrade, Electro-Magnetic Remapping (EMR) can purchased for your SCUF Infinty1 and will allow a player to quickly remap the paddles on the back of the controller to most of the faceplate buttons (A, B, X, Y, Left Dpad, Right Dpad, Left Thumbstick down, Right Thumbstick down.
If EMR is not purchased, paddles on the SCUF Infinity1 will be permanently mapped to A (left paddle), B (right paddle), X (middle left paddle), and Y (middle right paddle).