![](http://pdfasset.owneriq.net/c/67/c67ec9f4-b4e1-406a-8974-c02b27f5195d/c67ec9f4-b4e1-406a-8974-c02b27f5195d-bg6.png)
6
En
Inserting Battery
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.)
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.
SE-NC31C_en_NA.fm 6 ページ 2010年8月2日 月曜日 午前11時17分