Phonak Bolero Q Series, Руководство пользователя

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Fig. 9
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Step 9. Turning off the hearing aid
You can turn off your hearing aid by opening the battery
compartment
(Fig. 9) .
Step 10. Changing the battery
Your hearing aid will indicate with a double beep, that
the battery soon needs to be changed. You typically have
up to 30 minutes to change the battery, however this can
differ and might be considerably shorter. We recommend
that you always keep a spare battery on hand.