Etymotic BlastPLG EB1, User Manual

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7
Battery Insertion
Low Battery Warning
The EB1 has an audible low battery warning that
alerts you when the battery is about to die. The
signal starts as a slow ticking sound that becomes
louder, faster and higher in pitch as the battery nears
its end of life. EB1 performance is not altered when
the warning is heard.
1. Remove the tab on the battery before inserting
it in the EB1.
2. The battery door will not close if the battery is
not inserted correctly.