14 User Guide for the Platinum Series Sound ProcessorBatteries & Battery ChargerA Lithium Ion rechargeable battery or a compartment that accommodates threestandard AA batteries powers your PSP.When you are not using your processor, it should be turned off; otherwise, the bat-tery will continue to drain.NOTE: Remove the rechargeable battery or the AA battery compartment fromthe processor when it is not likely to be used for an extended period of time.To prevent intermittent operation of the processor, the battery contacts on therechargeable battery or battery compartment and on the processor should be keptfree from dirt and dust. Gently clean the contacts with a hearing aid brush or drycotton swab at least once a month.If the rechargeable battery is dropped, inspect it for evidence of damage or cracking.If any evidence of damage is seen, the battery should be replaced.WARNING: Batteries may explode if disposed of in fire. To prevent injury orburns, do not allow metal objects, such as keys or coins, to contact orshort circuit the battery terminals. Covers are provided for use whencarrying rechargeable batteries or the AA battery compartment.WARNING: Power supplies and battery chargers should be operated in an openarea to ensure adequate airflow. While no injury cases have resulted,components may become hot during normal use or a fault condition.If the device’s temperature results in discomfort or pain when touched,disconnect the power source and contact your local AB representatives.Battery ReplacementTo remove the rechargeable battery or AA battery compartment:• Turn the processor off (o).• Gently press and raise the release lever on the side of the processor.Figure 11: Battery Release Lever.