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OSHA GUIDELINES FOR NOISE EXPOSURE LIMITS

The Occupational Safety Health Administration (OSHA) has issued 
headphone usage recommendations for maximum daily exposure and 
sound pressure levels [measured in decibels (dB)]. A decibel is a unit 
of sound measurement that increases exponentially with volume. For 
example, conversational speech is typically around 60dB and a rock concert 
in a stadium is often about 110dB. 

FCC NOTICE

This device complies with Industry Canada licence-exempt RSS standard(s). 
Operation is subject to the following two conditions: (1)this device may 
not cause interference, and(2) this device must accept any interference, 
including interference that may cause undesired operation of the device. 

Radio Frequency Exposure Statement for IC

 

The device has been evaluated to meet general RF exposure requirements. 
The device can be used in mobile exposure conditions. The min separation 
distance is 25mm.

WARNING!

 

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Warnings or announcements may be unnoticed when you are using 
the headphones. You should be aware of ambient sounds while 
wearing the headphones, and recognize them as needed.

 

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Long-term exposure to loud music may cause permanent hearing 
damage.

 

Ÿ

Do not attempt to modify this product as it could result in personal 
injury and/or product failure.

 

Ÿ

If water or other foreign substances enter inside the device, fire or 
electric shock may result.

CAUTION

Changes or modifications to this equipment not expressly approved by 
NAD Electronics for compliance could void the user’s authority to operate 
this equipment.

Regulatory Information

Operating Temperature Range: 

5°C – 40°C 

Operating Frequency Range: 

Bluetooth 2.4G 

Input Rating: 

 

5VDC, 1A 

Battery Rating: 

 

3.7V, 600mAh 

Battery Charging Time:  

4 hours 

Weight: 

  330 

grams

Is in compliance with the essential requirements and other relevant 

provisions of Directive 2014/53/EU.
Date of Manufacture:  The second digit in the serial number indicates the 

year of manufacture; “7” is 2017.
Responsible Party: Lenbrook Industries Limited.  633 Granite Court, 

Pickering, Ontario, Canada L1W 3K1. Phone: (905) 831-6333,  

Facsimile: (905) 831-6936

Removal of the rechargeable lithium ion battery in this product should be 

conducted only by a qualified professional.  Please contact your local NAD 

Electronics Dealer or visit the Customer Support section at NADelectronics.

com for further information.

The Bluetooth® word mark and logos are registered trademarks owned by 

Bluetooth SIG, Inc. and any use if such marks by NAD Electronics is under 

license.

The N-Mark is a trademark or registered trademark of the NFC Forum, Inc. in 

the United States and in other countries.

Precautions for use

•  To prevent possible hearing damage, do not listen at high  

volume levels for long periods 

•  These headphones should only be connected to a USB interface of 

version USB2.0 or higher

•  Risk of explosion if the battery is replaced by an incorrect type, dispose 

of used batteries according to the instructions.

•  Be sure to read the Owner’s Manual of the device that you want to 

connect to these headphones.

•  Check the volume settings when using the headphones when in public 

places and ensure that you do not disturb people around you.

•  These headphones are not guaranteed to work with all combinations of 

Bluetooth devices/mobile phones.

•  These headphones do not support a connection with all Bluetooth 

devices/mobile phones.

•  Bluetooth wireless technology can communicate up to approximately  

10 m. Obstructions (people, metallic objects, walls, etc.) and radio wave 
conditions affect the actual range.

•  The Bluetooth device that you want to connect with must support the 

same profile as these headphones in order to use the Bluetooth function. 
For details on profiles that the Bluetooth device is compatible with, see 
the Bluetooth device Owner’s Manual.

•  Due to features of Bluetooth wireless technology, playback of audio on 

the headphones is slightly delayed compared to the playback on the 
transmitting device.

•  Do not use your headphones while driving. 
•  Remove the headphones immediately if you experience a warming 

sensation or loss of audio.

•  Do not use mobile phone adaptors to connect these headphones to 

airplane seat jacks, as this could cause overheating and result in injury or 
property damage.

•  The headphones and accessories contain small parts which may be a 

choking hazard. Not suitable for children under age 3.

•  This product contains magnetic material. Consult your physician on 

whether this might affect your implanted medical device.

•  Use this product only with an agency approved power supply which 

meets local regulatory requirements (e.g., UL, CSA, VDE, CCC).

•  Do not expose products containing batteries to excessive heat (e.g. from 

storage in direct sunlight, fire or the like).

NOTES ON ENVIRONMENTAL PROTECTION

At the end of its useful life, this product should not be 
disposed of with regular household waste and should be 
returned to a collection point for the recycling of electrical 
and electronic equipment. The symbol on the product, user’s 
manual and packaging point this out.

The materials can be reused in accordance with their markings. Through 
re-use, recycling of raw materials, or other forms of recycling of old 
products, you are making an important contribution to the protection of 
our environment. 

Your local administrative office can advise you of the responsible waste 
disposal point. 

IMPORTANT SAFETY INSTRUCTIONS

90dB

8 hours

95dB

4 hours

100dB

2 hours

105dB

1 Hour

110dB

30 minutes

115dB

15 minutes

120dB

Avoid as damage may occur

2

ENGLISH

POR

TUGUÊS

FR

ANÇ

AIS

ESP
AÑOL

IT

ALIANO

DEUT

SCH

NEDERL

ANDS

SVENSK

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РУ

ССКИЙ

Le présent appareil est conforme aux CNR d'Industrie Canada applicables auxap-
pareils radio exempts de licence. L'exploitation est autorisée aux deux conditions 
suivantes :(1) l'appareil ne doit pas produire de brouillage, et(2) l'utilisateur de 
l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage 
est susceptible d'en compromettre lefonctionnement.

IC NOTICE

Summary of Contents for HP70

Page 1: ... HP70 ENGLISH PORTUGUÊS FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ Owner s Manual ...

Page 2: ... dispose of used batteries according to the instructions Be sure to read the Owner s Manual of the device that you want to connect to these headphones Check the volume settings when using the headphones when in public places and ensure that you do not disturb people around you These headphones are not guaranteed to work with all combinations of Bluetooth devices mobile phones These headphones do n...

Page 3: ... the innovative RoomFeelTM technology soundstages are dramatically expanded adding warmth and open sound without altering the audio signal The HP70 also offers analogue and USB inputs pivoting ear cups and a built in remote and microphone We hope you will read through this owner s guide to help assure that you are getting the most out of your new NAD VISO HP70 WHAT S INSIDE THE BOX NAD VISO HP70 W...

Page 4: ...0 headphones Notes When connecting the USB cable to the charging port be sure to match the cable connector with the shape of the socket Forcing the connector into the socket will cause damage A rating of the charging output should be DC 5V 2 4A or less The usable time of the headphones differs depending on the temperature of the environment in which they are used and method or use Wireless Pairing...

Page 5: ... connection will not work in this mode Phone Function If you receive a phone call during a listening session press the Phone button to answer the incoming call and pause your audio track Once the call is complete a single button press will end the call and resume audio play The call answer only works when connected by Bluetooth The player controls work when connected by Bluetooth or USB to a PC Wh...

Page 6: ...0 periodically However excessive cleaning may cause damage and jeopardize the longevity of the product When not in use always store your VISO HP70 in the supplied protective case and store in a clean and dry environment Remove the cable from the headphones fold and insert them into the protective case Do not force them into the protective case Doing so may damage the headphones Avoid storing in ex...

Page 7: ...ed and connected Crackling noise or intermittent audio Ribbon cable connection is not fully inserted or pushed home at the audio source or ear cup end Ensure full cable connection between audio source and ear cup Connection at the audio source or ear cup end is damaged Use new ribbon cable Source device is out of range of the headphones Move within arms length to see if the audio signal improves B...

Page 8: ...vice may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation WARNING Warnings or announcements may be unnoticed when you are using the headphones You should be aware of ambient sounds while wearing the headphones and recognize them as needed Long term exposure to loud music may cause permanent hearing dama...

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