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3M WorkTunes Connect Wireless Hearing Protector Instructions & Manual.pdf
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WORKTUNES™
CONNECT WIRELESS HEARING PROTECTOR
featuring Bluetooth® wireless technology
Basic Operations
Charging the Headset:
To comply with regulatory guidelines, your hearing
protector has been shipped to you with only a
partial charge on its integrated lithium ion battery
pack. To charge the hearing protector, insert
the supplied micro-USB connector cable into
the micro-USB jack located on the bottom of the
right cup of the hearing protector. Connect the
other end of the cable to a suitable USB power
source such as a computer or third party certified
(UL, Intertek, etc.) AC to USB wall adapter.
The LED will be blink blue while charging and
change to solid blue when complete.
Fitting the Headset:
Fully extend sliders and place cups over ears.
Then, tighten headband using sliders.
Power and Volume:
Press and hold power button for 3 seconds to
power ON/OFF headset. Voice Assist will
announce “Power ON” or “Power OFF.” Voice
assist will also provide a battery status update –
“Battery High,” “Battery Medium,” “Battery Low,”
or Battery Empty. Adjust the volume using your
connected device.
Low Battery Warning:
Hearing protector will also provide a “Battery Low”
warning every 20 minutes when battery voltage is
low. An additional Battery Empty” warning will
occur as hearing protector powers down.
Recharge the unit at this time.
Auto Shut-Off:
5 minutes after either Bluetooth® or the audio
input is disconnected, the hearing protector will
automatically power down.
After auto shut-off, press and hold the ON/OFF
button for 3 seconds to turn back on.
WORKTUNES™/MC
CONNECT WIRELESS HEARING PROTECTOR
featuring Bluetooth® wireless technology
PROTECTION DE L’OUIE SANS FIL CONNEXION
avec technologie sans fil Bluetooth®
PROTECTOR AUDITIVO INALAMBRICO CON CONEXION
con tecnologia Bluetooth® inalambrica
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futurl reference f h’S 6 ® °n,C hear,ng Proteotion product. Retain these instructions for
Intended Use:
This electronic hearing protection product is intended to help protect against harmful noise
This electronic hearing protection product is used in loud-noise environments. Use in any
other application has not been evaluated by 3M and may lead to an unsafe condition.
Explanation of Signal Word Consequences
A WARNING:
Indicates a hazardous situation which, if not avoided, could result
in serious injury or death.
A CAUTION:
Indicates a hazardous situation which, if not avoided, could result
in minor or moderate injury and/or property damaae.
A WARNING
These hearing protectors help reduce exposure to hazardous noise and other loud sounds
Ure,t0 Wear hearing ^ all times that you are exposed to noise may
result m hearmg loss or injury. For proper use, see user instructions or call 3M Technical
Service toll free at 1-800-494-3552.
* To reduce the r«sks associated with hazardous voltage and fire:
– Never use this product, or charge/replace batteries, in an explosive environment
– Only charge using 3rd party certified (such as UL, Intertek, etc.) equipment.
– Do not disassemble, modify, or service this device. The unit contains no user
serviceable parts.
• To reduce the risks associated with harmful noise:
– Always wear hearing protectors when you are exposed to noise
– Ensure hearing protection is properly fitted. Follow any fitting instructions included
with this product.
~ °° ?°t bend °r reshape the headband, as this will cause a loose fit and sound leakage.
‘ For best Protection, the ear cushions should seal firmly against your head. Anything
that interferes with the seal such as long hair (pull back to the extent possible) thick
or poorly fitting eyeglass temples, pencils or caps will lessen the protection.
WorkTunes™ Connect Wireless Hearing Protector
Bluetooth® Range
The typical range between a Bluetooth® device
and the WorkTunes™ Connect Wireless Hearing
Protector is approximately 25 feet. This distance
may vary depending on the device. As the distance
between the Bluetooth® device and the hearing
protector is increased, the risk of signal dropouts will
also increase. For best results, keep your Bluetooth®
device on your body or within arm’s length of the
WorkTunes™ Connect Wireless Hearing Protector
while using Bluetooth® mode.
Bluetooth9 Technical Details
Transmission power range: -6 dBm to +4 dBm (ERP)
Operating frequency band: 2402 MHz – 2480 MHz
Audio Input Mode
Connect Device:
Connect the device using a compatible 3 or
4-pole 3.5mm stereo audio cable. Turn on the
hearing protector.
Control device:
Use the native controls on the device to control
input volume, pause/play, and select tracks.
Quicks! .ide
Phone Cal
MODE
Answer Call
Press once
Reject Call
Press and hold
Disconnect Call
Press once
Audio Input
MODE
All Functions
Use device controls
Pairing the Device:
Once powered on, double press the button on the
hearing protector’s right cup to enter pairing mode.
You will hear “Bluetooth Pairing ON.” Make sure your
Bluetooth® enabled device is scanning/searching
for devices. Check your device to make sure it has
discovered “WorkTunes Connect.” Select “WorkTunes
Connect” to connect to the hearing protector. Once
connected successfully, you will hear “Bluetooth
Connected” and the LED on the right cup will turn blue.
Your Bluetooth® audio volume will be controlled by
your device.
The next time you power up, your hearing protector
will automatically connect to your device and say
“Bluetooth Connected.”
Forward/Back or Pause/Play*
To pause or play audio on your device, you can single
press the button on the right cup. To advance tracks,
double press the button. Triple press to select the
previous track.
*Some devices may not be compatible with this
feature and will have to be operated using their
native controls.
Incoming Calls
In Bluetooth® Mode, incoming phone calls will
cause the music to be muted and you will hear your
phone’s ringtone until the call has ended. To answer
an incoming call, press the button on the hearing
protector once. To disconnect from a call, press the
button once more. After disconnecting from the call
you will hear “Call Terminated.”
To reject a call and return to Bluetooth® audio, press
and hold the button. After rejecting a call you will
hear “Call Terminated.”
ATTENUATION DATA (ANSI S3.19-1974)
Test Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000 NRR CSA
Class
Mean Attenuation (dB) 18.6 21.0 28.5 32.4 35.1 39.1 41.4 41.7 41.1
24 A
Standard Deviation 3.2 2.3 2.6 3.2 2.6 3.3 3.1 3.1 3.3
The level of noise entering a person’s ear when a hearing protector is worn as directed is closely
approximated by the difference between the A-weighted environmental noise level and the NRR.
EXAMPLE
1. The environmental noise level as measured at the ear is 92 decibels dB(A).
2. The NRR is 24 dB(A).
3. The level of noise entering the ear is approximately 68 dB(A).
CAUTION
For noise environments dominated by frequencies below 500 Hz, the C-weighted environmental
noise level should be used. The NRR used in the above example was achieved under
laboratory conditions.
AS/NZS 1270:2002
Test Frequency (Hz) 125 250 500 1000 2000 4000 8000
Mean Attenuation (dB) 21.6 27 37.4 42 38.6 41.2 41
Standard Deviation 3.5 3 3.1 3.8 2.6 2.2 3.8
SLCao 36 dB Class 5 Clamping Force: 9.8 N Mass: 353 g
AUDIO INPUT LEVEL
The audio level in the hearing protector is dependent on the audio input level. To prevent
harmful noise levels, the hearing protector audio level is limited to 82 dB(A) when connected
to a Personal Music Player (PMP). If the hearing protector is connected to a PMP or other
device with a very high output level, it is the user’s responsibility to set the audio input level
to a safe level. The maximum permitted audio input level for 8 hours of usage time, compressed
speech and music is 2.12 V.
WARRANTY
The WorkTunes™ Connect Wireless Hearing Protector is warranted to be free of defects in
material and workmanship for a period of one (1) year from the date of original purchase.
3M will, at its option, repair or replace without charge, except for transportation costs, parts
that fail under normal use and service when operated and maintained in accordance with our
instructions. This warranty does not cover damage caused by misuse, abuse or unauthorized
modifications. Proof of purchase is required to verify eligibility.
Earmuffs must be regularly inspected for cracks, worn parts, and for proper fitting.
Replace as needed.
– Do not immerse in water. Clean with a damp cloth and mild soap. Do not use harsh or
abrasive chemicals.
– Do not store the hearing protector in direct sunlight or at temperature above
131°F (55°C).
– (Devices with Safe Volume Technology) Do not change between ‘Safe Volume Control’
and ‘Limiter’ settings during a single workday.
The WEEE logo (shown at the left) appears on the product to indicate that this
product must not be disposed of or dumped with your other household wastes.
You are liable to dispose of all your electronic or electrical waste equipment by
relocating over to the specified collection point for recycling of such hazardous
waste. Dispose of components in accordance with all applicable local and
governmental regulations.
FCC WARNING:
Any Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment. This transmitter must not be co-located or operating in conjunction with any
other antenna or transmitter.
ISEDC WARNING:
This device complies with Innovation, Science, and Economic Development Canada
license-exempt RSS standard(s). Operation is subject to the following two conditions:
1. this device may not cause interference, and
2. this device must accept any interference, including interference that may cause undesired
operation of the device.
Radio apparatus containing digital circuitry which can function separately from the
operation of a transmitter or an associated transmitter, shall comply with ICES-003. In
such cases, the labelling requirements of the applicable RSS apply, rather than the labelling
requirements in ICES-003.
Warning:
This Class B digital apparatus complies with Canadian ICES-003.
The device has been tested and compliance with SAR limits, users can obtain Canadian
information on RF exposure and compliance.
NOISE REDUCTION RATING (NRR)
The Environmental Protection Agency (ERA) has selected the Noise Reduction Rating (NRR)
as the measure of a hearing protector’s noise-reducing capabilities. 3M makes no warranties
as to the suitability of the NRR as a measure of actual protection from any noise level
since such protection depends on the sound level (loudness), how long you listen to the loud
sound and how well you fit the earmuff over your ears. Although hearing protectors can be
recommended for protection against harmful effects of impulse noise, the NRR is based on
the attenuation of continuous noise and may not be an accurate indicator of the protection
attainable against impulse noise such as gunfire.
When worn according to the User Instructions, this hearing protector helps reduce exposure
to both continuous noises, such as industrial noises and noises from vehicles and aircraft, as
well as very loud impulse noises, such as gunfire. It is difficult to predict the required and/or
actual hearing protection obtained during exposure to impulse noises. For gunfire, the weapon
type, number of rounds fired, proper selection, fit and use of hearing protection, proper
care of hearing protection, and other variables will impact performance. If your hearing
seems dulled or you hear a ringing or buzzing during or after any noise exposure (including
gunfire), or for any other reason you suspect a hearing problem, your hearing may be at risk.
To learn more about hearing protection for impulse noise, visit www.SMcom/hearing.
The NRR may overestimate the hearing protection
provided during typical use due to variation in fit,
fitting skill and motivation of the user. 3M recommends
the NRR be reduced by 50% or in accordance
with applicable regulations, for estimating
the amount of noise reduction provided.
The NRR for the WorkTunes™ Connect Wireless
Hearing Protector is 24 dB(A). Improper fit of this
device will reduce its effectiveness in attenuating
noise. Consult the enclosed instructions for proper fit,
Noise
Reduction 24 1 Rating (WHEN USED AS
DIRECTED)
THE RANGE OF NOISE REDUCTION RATINGS
FOR EXISTING HEARING PROTECTORS
IS APPROXIMATELY 0 TO 30
(HIGHER NUMBERS DENOTE GREATER EFFECTIVENESS)
3M COMPANY
ST. PAUL, MN
Worktunes™ 90543
Federal law prohibits ^
removal of this label
^prior to purchase
■m m a LABEL REQUIRED BY
F” M’H U.S. EPA REGULATION
isai f“4 40 CFR PART 211
SUBPARTB J
The EPA references to Federal relate to US Federal laws.