Bose 416912 Посібник користувача - Сторінка 18

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Operating on Battery Power

A fully charged battery provides approximately seven hours of use at maximum

volume. The rate of battery discharge varies with the volume setting.

To check the battery charge level, press and hold

indicator

. You hear remaining battery percentage.

Tip: To extend the battery playback time, reduce the volume.

System state

Charged / High charge

Charging / Medium charge

Charge needed / Low charge

Note: Recommended charging time is four hours (see page 11).

The system enters battery protection mode to preserve battery power when the

system is unplugged and unused for:

• More than 24 days, or

• Three days with a remaining charge of less than 10 percent

To reactivate the system, connect it to AC (mains) power (see page 11).

Note: Do not store the system for extended periods when the battery indicator

blinks red. When not in use, store the speaker in a cool place.

Do not store the system fully charged for long periods of time.

18 - English

Battery indicator

while observing the battery