Etymotic DI-15® High-Definition Electronic Earplugs for Dentists - Manual (Page 2)

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Removal
• Remove with a slow
twisting motion to gradually break
the seal and avoid discomfort.
• After removal, place earplugs in a clean protective case.
General Information
DI-20
™ high-fidelity earplugs are reusable. Foam earplugs muffle
sound. These earplugs use a unique acoustic construction that
produces almost equal sound reduction (20 dB) at all frequencies.
All sounds and speech remain clear, just quieter, like turning down
the volume.
Insertion
• Before inserting earplugs,
make sure they are clean.
• Grasp the endcap between
thumb and forefinger.
• To ease insertion, pull the top
of the ear outward and upward.
(See illustration.)
• Gently push and twist the earplug
until the eartip seals in the ear canal.
• Moistening the eartip may ease insertion.
Cleaning
• Do not take earplugs apart.
• Clean after each use.
• Wipe clean with a damp cloth as needed.
• Do not immerse earplugs in water.
• Do not clean with harsh chemicals.
• Alcohol is not recommended.
Storage
• Always store earplugs in a clean, protective case.
• Do not store other objects, except a neck cord, in the earplug case.
Warnings
• These earplugs comply with EN-352-2 standard of measurement.
• The triple-flange eartip must be fitted, adjusted and maintained
properly, i.e., seal the ear completely to achieve the expected
attenuation and hearing protection.
• Use earplugs continuously when noise levels are potentially harmful.
• Make certain that the earplugs provide adequate protection for the
noisy environment.
• Regularly inspect the earplugs to assure their continued serviceability.
• Never remove the endcap while the earplugs are in use.
• Failure to follow these warnings may severely reduce the amount
of hearing protection provided by the earplugs.
• If a cord is used, take precautions that it does not catch on
a nearby object.
• This product may be adversely affected by certain chemical
substances.
• Do not clean with harsh chemicals or alcohol.
eartip
stem
end cap