3M WorkTunes - Frequently Asked Questions; Important Battery Warnings

7
Safe Volume Control Technology allows for increased
music volume while protecting your hearing, by
controlling sound levels over an 8-hour work day.
Higher sound exposure is allowed for a period of time,
and then gradually reduced if necessary below the
long term average of 82 dB(A) for extended use.
Press and Hold the Source button.
The device will cycle through the
three equalizer modes (Pop, Rock &
Flat), then release the button when
you reach the desired mode.
82 dB(A)
Safe Volume Control: Music Equalizer:
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TM
Connect + AM/FM Hearing Protector User Manual online at 3MSafety.com.