8 User Guide for the Platinum Series Sound ProcessorAuxiliary JackThe auxiliary jack is located on the side of the processor near the control panel. Theauxiliary microphone and telephone adapter provided with the system are connectedhere. This jack is also used to connect other external auditory input sources, suchas battery-powered FM systems, MP3 players, television audio amplifiers or otherassistive listening devices.The Microphone Tester Earphones provided by AB are also connected here. Whenthe program switch is in the position, these earphones allow a subjective listeningassessment of the quality of the sound as it is received by the headpiece microphone.Also, intermittencies in the headpiece cable may be detected. If a problem is noted,please refer to the “Using the Platinum Series Sound Processor” section of this manual.Note: To use the auxiliary jack, the processor must contain a program set upfor auxiliary input. Consult with your audiologist regarding the correctprogram position to use with auxiliary input.Caution: Your PSP should be serviced only at AB. Do not attempt to open orrepair the processor. Unauthorized opening of the processor will voidthe warranty.