Velodyne vFree User's Manual And Warranty

user guide and warranty

Contents

Warnings, safety & care ................1

At a glance & specifications ..........3

Controls .........................................4

Charging & pairing ........................5

Button functions .............................6

LED indicators ...............................7

Warranty ........................................8

1

Important Safety Instructions

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus.

8. Only use attachments/accessories specified by the manufacturer.

9. Unplug this apparatus during lightning storms or when unused for long periods of time.

10. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way, such as when the power-supply cord or plug is damaged, liquid has been spilled
or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.

Warnings, safety & care

• To reduce the risk of fire or electric shock, do not expose vFree headphones to rain or moisture, and do
not open or attempt to open vFree headphones.

• 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.

• Excessive sound pressure from earphones and headphones can cause hearing loss.

• Attention should be drawn to the environmental aspects of battery disposal.

• The integrated battery shall not be exposed to excessive heat such as sunshine, fire, or the like.

• Consult your physician or audiologist if you have problems hearing, excessive wax build-up or any

discomfort after use of vFree headphones.

• In particularly dry air conditions, mild tingling may be felt on your ears. This is a result of static electricity
accumulated in the body and not a malfunction of vFree headphones. This effect can be minimized by
wearing clothes made from natural fibers.

• vFree headphones are assembled in a facility where they could come in contact with chemicals covered by
Proposition 65.

• If any dust or ear wax is inside the ear cup, you may experience a degradation of sound quality.

• Remove vFree headphones if they cause any discomfort.

• Do not submerge or expose vFree headphones to water.

• Store your vFree headphones in the pouch when not in use.

CAUTION: Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.

2

Sound Noise Level (dB) Effect

Normal breathing 10 Just audible

Whisper 30 Very quiet

Normal conversation 60-65 Comfortable hearing levels are under

60 dB

Vacuum cleaner, hair dryer 70 Intrusive; interferes with telephone

conversation

Average city traffic 80 Annoying; interferes with conversation;

constant exposure may cause damage

Lawnmower, food blender 85-90 85 dB is the level at which hearing

damage (8 hrs) begins

Garbage truck, cement mixer 100 No more than 15 minutes of

unprotected exposure recommended for
sounds between 90-100 dB

Stereos (over 100 watts), thunderclap
(near)

110-125 Regular exposure to sound over 100

dB of more than one minute risks
permanent hearing loss

Jet engines (near) 140 Threshold of pain begins around 125

dB

http://www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx

Please listen safely

Listening with vFree headphones at high volumes may affect your hearing, including causing permanent damage.
Ringing in your ears or other discomfort can indicate that the volume is too high.

Hearing health is critical to enjoyment and the quality of life. Protect your hearing by listening with your vFree
headphones in a responsible manner that protects your long term hearing health. Velodyne Acoustics, Inc. is not
responsible for hearing loss or damage resulting from the use of this product.