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Basic Operations
Headset will give a “battery low” warning
every one minute when battery voltage
is low. Additional warnings will occur as
hearing protector powers down. Replace
batteries at this time.
After 2 hours of non-activity, a 10-second
countdown will begin before hearing protector
automatically powers down. To reset auto shut-
o, simply adjust volume knob.
After auto shut-o, turn On/O/Volume knob to
“o” position for 2 seconds, then back to “on.”
The safe volume control technology allows for
increased music volume while protecting your hearing,
by controling 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.
Low battery warning:
BATTERY
LOW
82 dB(A)
Auto shut-o: Safe volume control: Music equalizer:
Download complete WorkTunes™ Wireless Hearing Protector User Manual online at 3MSafety.com.
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