Nura Nuraphone Noise-Canceling Wireless In-Ear/Over-Ear Headphones - Manual (Page 3)

3 Copyright © 2017 nura® Pty. Ltd. User Manual
nuraphone safety information
Read this manual before using the nuraphone for the first time.
Always use the nuraphone responsibly, particularly in Immersion Mode.
Keep this manual handy for future reference.
The nuraphone has been designed and tested for safety and comfort, but please note: exposure to
any loud noise of 85 Decibels (dB) or above (approximately the same volume as a food blender) can
cause gradual hearing loss. Due to the clarity and sound isolation of the nuraphone, you won’t need
to listen to your music as loudly as with many conventional headphones.
Approximate volumes of common sounds
This table shows approximate volumes of sounds you might encounter in your daily life.
Sound Noise Level Effect
Rustling leaves 20 dB Just audible.
Quiet office 60 dB Comfortable hearing levels are under
60 dB.
Average city traffic 80 dB Annoying; interferes with
conversation; constant exposure
may cause damage.
Lawnmover, food blender,
recreational vehicles, TV
80–90 dB Annoying; interferes with
conversation; constant exposure
may cause damage.
Symphony orchestra, power saw
(chainsaw), pneumatic
drill/jackhammer
110 dB Regular exposure to sound over 100
dB of more than one minute risks
permanent hearing loss.
Concert 110–140 dB Threshold of pain begins around 125
dB.
Information via the National Institute on Deafness and Other Communication Disorders
Monitor your use . Hearing loss is a function of loudness versus time — the louder the volume, the
less time you can be exposed to it. The quieter the volume, the longer you can listen. For example, 8
hours at 85 dB causes as much damage as 4 hours at 88 dB, 2 hours at 91 dB, or just 15 minutes at
100 dB.
Only use the nuraphone with your volume set at a comfortable, moderate level.
Don’t listen to music in the front row setting in Immersion Mode at high volume for any
extended period.
Be aware that reminder or warning sounds, i.e. alarms, message tones and incoming calls, might
vary while using the nuraphone.
If you experience a warming sensation or loss of hearing, remove the nuraphone from your
head immediately .
If the nuraphone emits a loud or unusual noise, stop using it and contact the nura® Customer
Experience Experts immediately .