The indication on the display is not necessarily an exact reflection on the remaining speech time, but only an indication of the voltage on the bat- tery.
Battery disposal
Defective batteries must be returned to a collection point for chemical waste disposal.
Warning: Nickel metal hydride batteries must be disposed of properly. Do not dispose of the batteries in office or household waste.
Nickel metal hydride batteries are recyclable. You can help preserve the environment by returning your unwanted batteries to your nearest recycling center for recycling or proper disposal.
Contact your system administrator for more information about battery dis- posal and recycling centers in your local area.
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