3M
WorkTunes
Hearing Protector User Guide
™
™
Features
Bass Boost
The Bass Boost acts like a mini subwoofer
letting you control how much bass you hear.
It is important to note that the Bass Boost is
programmed to "Bass Boost 1" when you
take it out of the package.
To Use Bass Boost
•
Press and hold the AM/FM Button until
you hear "Bass Boost 2"
•
Press and hold the AM/FM Button until
you hear "Bass Boost Off"
•
Press and hold the AM/FM Button again
until you hear "Bass Boost 1"
Important!
Bass Boost cannot be engaged using
an external device connected to the
input jack.
AM/FM
Button
On/Off
Volume
Knob
Turn clockwise
for On/Volume up
10
Mode
Button
Tuning
Knob
Input
Jack
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