![background image](http://html1.mh-extra.com/html/phonic-ear/radium-920sr/radium-920sr_user-manual_1552969044.webp)
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check indicator light
Check indicator light:
Continuous green = adequate power
Continuous red = low battery
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battery life
NiMH rechargeable AA = 12 hours (approx.)
Alkaline disposable AA = 15 hours (approx.)
WARNING
: Never recharge alkaline
batteries! This will cause damage to the unit
and will void the product warranty.
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4724 Radium 216 User Guide 2/28/05 10:15 AM Page 48