Embodiments for methods and apparatuses for processing a multi-carrier signal are disclosed. The optical fiber is inserted and bonded in the hollow of the needle and then polished to take on the exact needle cutting shape. Multiple sets of potential replacement cards are provided, from which the player can select the desired set of replacement cards. Any of the individual processes of the methods described may be varied combinatorially to test varied process conditions or materials. The at least one formulated response is then translated to an analog format at the telematics unit.