Velodyne vTrue User Manual - page 3
Warnings, safety & care
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Toreducetheriskoffireorelectricshock,donotexposevTrueheadphonestorainormoisture,
anddonotopenorattempttoopenthecontrolmodule,oranypartofvTrueheadphones.
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Keep out of reach of children. Small parts may be a choking hazard. This product is not intended
for use by children under the age of three.
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Excessivesoundpressurefromearphonesandheadphonescancausehearingloss.
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Consultyourphysicianoraudiologistifyouhaveproblemshearing,excessivewaxbuild-uporany
discomfort after use of vTrue headphones.
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Inparticularlydryairconditions,mildtinglingmaybefeltonyourears.Thisisaresultofstatic
electricityaccumulatedinthebodyandnotamalfunctionofvTrueheadphones.Thiseffectcanbe
minimizedbywearingclothesmadefromnaturalfibers.
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vTrue headphones are assembled in a facility where they could come in contact with chemicals
covered by California’s Proposition 65.
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Ifanydustorearwaxisinsidetheearcup,youmayexperienceadegradationofsoundquality.
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Remove vTrue headphones if they cause any discomfort or pain.
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DonotsubmergeorexposevTrueheadphonestowater.
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Protect your vTrue headphones in the carrying pouch when not in use.
Please listen safely
Fortrafficsafety,donotusevTrueheadphoneswhiledrivingorcycling.DonotwearvTrueheadphones
while operating machinery. Adhere to local laws regarding the use of headphones.
ListeningwithvTrueheadphonesathighvolumesmayaffectyourhearing,includingcausingpermanent
damage. Ringing in your ears or other discomfort can indicate that the volume is too high.
Hearinghealthiscriticaltoenjoymentandthequalityoflife.Protectyourhearingbylisteningwith
your vTrue headphones in a responsible manner that protects your long term hearing health. Velodyne
Acoustics,Inc.isnotresponsibleforhearinglossordamageresultingfromtheuseofthisproduct.
Sound
Noise Level (dB)
Effect
Normal breathing
10
Just audible
Whisper
30
Very quiet
Normal conversation
50-65
Comfortable hearing levels are under 60 dB
Vacuumcleaner,hair
dryer
70
Intrusive; interferes with telephone conversation
Averagecitytraffic
80
Annoying;interfereswithconversation;constantexposuremaycausedamage
Lawnmower,food
blender
85-90
85 dB is the level at which hearing damage (8 hrs) begins
Garbagetruck,cement
mixer
100
Nomorethan15minutesofunprotectedexposurerecommendedforsoundsbetween
90-100 dB
Stereos(over100watts),
thunderclap (near)
110-125
Regularexposuretosoundover100dBofmorethanoneminuteriskspermanent
hearing loss
Jet engines (near)
140
Threshold of pain begins around 125 dB
*Informationobtainedfromhttp://www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx
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vTrue user guide