Inserting Battery - Pioneer SE-NC31C-K Mode D'emploi

Inserting Battery

1 Press in direction of
arrow to open battery cover.
2 Insert battery, taking care
to align its  and 
polarities correctly.
3 Press in direction of
arrow to close battery cover.
When to replace battery
When battery becomes expended, the power indicator will
become darker, and sound will appear distorted, with greater
than normal amounts of noise. Always replace a new battery.
Nominal battery life is as follows when noise-canceling function
is used continuously:
AAA Alkaline battery: About 120 hours
AAA Manganese battery: About 60 hours
(Battery life may vary depending on surrounding temperatures
and other conditions of use.)
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