EN | 11
EN352
B1: Frequency (Hz)
B2: Mean Attenuation (dB)
B3: Standard Deviation (dB)
B4: Assumed Protection Value (APV) (dB)
B5:
H = Hearing protection estimation for high
frequency sounds (f
≥
2000Hz)
M = Hearing protection estimation for medium
frequency sounds (500 Hz < f < 2000Hz)
L = Hearing protection estimation for low
frequency sounds (f
≤
500Hz)
The full text of the declaration of conformity is available at: www.
isotunes.co.uk/pages/product-manuals.
SafeMax™ Technology
ISOtunes® AIR DEFENDER incorporates SafeMax™ Technology,
therefore its volume output has been limited to 85 decibels (IT-
46), or 79 decibels (IT-47) . ISOtunes® devices with SafeMax™
Technology are OSHA, and ANSI compliant.
Cleaning and Maintenance
• Clean your ISOtunes AIR DEFENDER by gently wiping them
with a clean, damp cloth with mild soap.
• Do not immerse the hearing protector in water.
• Do not use abrasive cleaning solvents to clean the hearing
protector.
If the hearing protector gets wet from sweat or rain, please
discontinue use and turn the earmuff outwards and allow to dry.
The ear cushions and foam liners should be regularly inspected
for deterioration, cracking, or other damage.
WARNINGS
ISOtunes® AIR DEFENDER does an excellent job of blocking
outside noise. As such, ISOtunes® AIR DEFENDER should NOT be
used in environments where users need to be fully aware of their
surroundings for personal safety reasons. For example, do NOT
use them while driving a car or riding a motorcycle. Similarly, do
NOT use them when riding a bicycle outside. The user is solely
responsible for ensuring that ISOtunes® AIR DEFENDER is used
ONLY in safe environments.
This product is intended to protect your ears against hazard
noise.
The audibility of warning signals at a specific workplace may be
impaired while using the entertainment facility.
This product may be adversely affected by certain chemical
substances, such as sunscreen and bugspray. Further information
may be sought from the manufacturer.
The fitting of hygiene covers to the cushions may affect the
acoustic performance of the ear-muffs.
Recommendations
The wearer should ensure the product is properly cleaned and
dry before and after use. Storage should be in a clean and dry
location between -20 °C and 50 °C. The battery should not be fully
discharged before long term storage.
The wearer should ensure that:
• The hearing protector is fitted, adjusted, and
maintained in accordance with the
manufacturer’s instructions.
• The hearing protector is worn at all times in
noisy surroundings.
• The hearing protector is regularly inspected
for serviceability.
If these recommendations are not adhered to, the protection
afforded by the hearing protector will be severely impaired.
