Graco NVIFONE M20 - Manual (Page 23)

nüvifone M0 Quick Start Manual 
take to avoid interference.
Avoid Hearing Damage
You can permanently damage your
ears and lose hearing if you listen to
the receiver, earbuds, headphones, or
headsets at high volume.
Turn the volume down. The volume is
typically too loud if you cannot hear
people speaking around you. Limit
the amount of time you listen at high
volume.
If you experience ringing in your ears or
muffled speech, stop listening and have
your hearing checked.
Avoid Repetitive Motion
You may experience occasional
discomfort in your hands, arms,
shoulders, neck, or other parts of your
body if you perform repetitive activities,
such as typing or playing games, on the
device.
Take frequent breaks. If you have
discomfort while or after using the
device, stop using and see a physician.
Avoid Seizures, Blackouts,
and Eyestrain
A very small percentage of people can
experience seizures or blackouts caused
by light flashes or patterns, such as while
watching videos or playing games.
If you have experienced, or have a family
history of, seizures or blackouts, consult
a physician before playing games or
watching videos on your device.
Follow these guidelines to reduce the risk
of blackouts, seizures, and eyestrain:
Avoid prolonged use of and take
frequent breaks from using the device.
Hold the device away from your eyes.
Use the device in a well-lit room.
If you experience convulsions, eye or
muscle twitching, loss of awareness,
involuntary movement, or disorientation,
stop using the device use and consult a
physician.
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