Acto Oticon, Инструкция по эксплуатации

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7
Changing batteries
Your hearing instrument battery size is 312 . Batteries
perform differently. Ask your hearing care professional
for help choosing a high quality battery for your hearing
instrument.
A worn out battery should be removed immediately.
When the battery power is low, you will hear 2 beeps.
This pre-warning starts when the battery has only
a few hours of operation left. The pre-warning will be
repeated with moderate intervals to indicate it is time
to change the battery.
If the battery runs out the instrument turns off. When
that happens, 4 beeps are played to indicate that the
instrument is no longer operating.
It is not an indication of a malfunction.