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ISOtunes LINK 2.0
Helmet Mount
EN
5-8
DA
9-12
DE
13-16
ES
17-20
FI
21-24
FR
25-28
IT
29-32
NL
33-36
NO
37-40
SV
41-44
Important
Please read, understand, and follow all
safety information.
Fitting
1. With the earmuff in the open position, insert
the adapters into the slots on the side of the
hard hat until they snap into place (Fig. 1).
2. Rotate the earmuff (Fig. 2)
to the down position, then move the earcups
over the ears to the out position (Fig. 3).
3. Push the earmuff arms inward until there
is a click, moving the earmuff to the in-use
position (Fig. 4).
Repeat on the other side.
4. Ensure ear the cups fully enclose the ears
and seal tightly for proper protection.
5. When not in use, the earmuffs may be
rotated to the back position (Fig. 5).
Introduction
Thank you for purchasing ISOtunes® LINK
2.0 Helmet Mount. These earmuffs have
been specifically designed for use in noisy
environments – allowing you to block out much
of the surrounding noise so that you can listen
to your music or talk on the phone with less
interruption. This product has been tested
and meets the European Safety Standard EN
352-3:2020, EN 352-6:2020, EN 352-8:2020, RED
directive 2014/53/EU, harmonized standard EN
60065-2014+A11-2017, EN 62479:2020, ETSI EN
300 328 V2.1.1, ETSI EN 301 489-1 V2.1.1,ETSI
EN 301 489-17 V3.1.1, and the ANSI S3.19-1974
standards for a hearing protector, with a Single
Number Rating (SNR) of 29 dB with a Noise
Reduction Rating (NRR) of 21 dB. Full testing
details are available in the Noise Attenuation
section of this booklet.
Noise Attenuation
APPROVAL: ISOtunes® LINK 2.0 Helmet
Mount is tested and approved in accordance
with ANSI S3.19-1974 Specifications and the
European Safety Standard EN 352-3:2020,
EN 352-6:2020, and EN 352-8:2020. The helmet-
mountable earmuffs were tested with the
following helmets: MSA V-Guard, ENHA Radius,
Arco Champion Plus, Centurion Nexus Safety
Helmet Linesman. These helmets have been
EN
tested to ensure proper hearing protection.
Other models may be compatible with the
ISOtunes LINK 2.0 Helmet Mount, but should be
fitted at the user's discretion.
This product is intended to be used in loud
environements.
ANSI S3.19-1974
The level of noise entering a person's ear, when
ISOtunes® LINK 2.0 Helmet Mount headphones
are worn as directed, is closely approximated
by the difference between the A-weighted
environmental noise level and the Noise
Reduction Rating (NRR). Improper fit of this
device will reduce its effectiveness in attenuating
noise. Consult the enclosed instructions for
proper fitting.
A1: Frequency (Hz)
A2: Mean Attenuation (dB)
A3: Standard Deviation (dB)
Example:
1. The surrounding noise level measured
at the ear is 100 dB.
2. The NRR of ISOtunes® LINK 2.0 Helmet
Mount is 21 dB.
3. The noise level entering the ear is
approximately equal to 79 dB.
Please note that the NRR is based on the
attenuation of continuous noise and may not be
an accurate indicator of the protection attainable
against impulsive noise, such as gunfire.
EN 352
IT-70 ISOtunes LINK 2.0 Helmet Mount is certified
according to the product standards EN 352-
3:2020, EN 352-6:2020, and EN 352-8:2020.
Haven Technologies, INC. hereby declares that
IT-70 ISOtunes LINK 2.0 Helmet Mount conforms
to the regulation (EU) 2016/425 and the directive
RED 2014/53/EU, which can be accessed at
ISOtunes.co.uk/manuals.
B1: Frequency (Hz)
B2: Mean Attenuation (dB)
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