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interference by one or more of the following
measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the

equipment and receiver.

- Connect the equipment into an outlet on a

circuit different from that to which the receiver
is connected.

- Consult the dealer or an experienced radio/TV

technician for help.

Do not attempt to repair or modify this
equipment. Any repairs or alterations made by the
user to the equipment may void the warranty and
compliance of the equipment. Changes or
modifications made to this equipment not
expressly approved by Philips may void the FCC
authorization to operate this equipment.

Trademarks

Bluetooth word mark

The Bluetooth

®

 word mark and logos are registered

trademarks owned by the Bluetooth SIG, Inc. and
any use of such marks by Royal Philips is under
license. Other trademarks and trade names are
those of their respective owners.

App Store and iPhone

App Store and iPhone are trademarks of Apple
Inc., registered in the U.S. and other countries. App
Store is a service mark of Apple Inc.

Google Play and Android

Google Play and Android are trademarks of Google
Inc.

iOS

IOS is a registered trademark or trademark of Cisco
Systems, Inc. and/or its affiliates in the United
States and certain other countries.

Explanation of symbols

The warning signs and symbols are essential to
ensure that you use this product safely and
correctly and to protect you and others from injury.
Below you find the meaning of the warning signs
and symbols on the label and in the user manual.

This symbol means that you have to read

the user manual carefully before you use

the device. Save the user manual for future

reference. 

This symbol means that the user should

consult the instructions for use for important

safety information such as

contraindications, warnings and cautions

that cannot, for a variety of reasons, be

presented on the medical device itself.

Symbol for 'Class II Equipment'. The adapter

is double- insulated (Class II).

This device contains a rechargeable battery

which must be disposed of properly. See

chapter 'Disposal' for more information.

This symbol means Bluetooth® logo.

This symbol means USB.

This symbol means the manufacturer's serial

number to identify a specific medical

device. 

This symbol indicates the manufacturer's

model or type number of the device.

This symbol means that the part of the

device that comes into physical contact with

the user (also known as the applied part) is

of type BF (Body Floating) according to IEC

60601-1. The applied part is the health

band.

Manufactured for: Philips Consumer

Lifestyle, a division of Philips North America

LLC, P.O. Box 10313, Stamford, CT 06904.

10

Symbol for the relative humidity limits to

which the device can be safely exposed.

This symbol means an object is capable of

being recycled - not that the object has

been recycled or will be accepted in all

recycling collection systems.

This symbol means RF transmitter.

This symbol is a certification mark. It is used

on electronic products manufactured or

sold in the United States. It confirms that the

electromagnetic interference from the

device is lower than the limits approved by

the FCC. 

–20ºC

60ºC

Symbol for the storage and transportation

temperature limits to which the medical

device can be safely exposed.

Symbol for the charging cradle. This symbol

means protected against falling drops of

water.

Symbol for the device. This symbol means:

protected against water jets and effects of

temporary immersion in water.

Symbol for 2-year Philips warranty.

Symbol for Opticardiogram technology.The

Opticardiogram technology is a clinically

validated sensing technology, proven to be

accurate for most people under normal

conditions.

Specifications 

Feature

Specification

Power

supply

3.7 V 90 mAh built-in rechargeable

li-polymer battery

Charger

5 V DC and 250 mA

Display 

Monochrome matrix display

Summary of Contents for DL7421

Page 1: ...change without notice Find the latest user manual on www philips com support 2017 Koninklijke Philips N V All rights reserved Manufactured for Philips Consumer Lifestyle a division of Philips North America LLC P O Box 10313 Stamford CT 06904 4222 100 6855 3 13 6 2017 2 3 4 5 6 7 2x 8 9 ...

Page 2: ...ting principle The Philips health band is a wrist worn activity accelerometer and heart rate measurement device that uses the Opticardiogram technology The general operating principle of this Opticardiogram technology is based on LEDs emitting light through the surface of the skin Part of that light is reflected and collected by the photo sensor The blood flow in the arteries is driven by the hear...

Page 3: ...can be dangerous Sleep tracking should not be used for diagnosis or treatment in case of sleep disorders The algorithms are not validated for people with sleep disorders and thus may give inaccurate results in these cases Only use a double insulated IEC60950 1 class II USB adapter or USB port to charge the device Check if the symbol for double insulation is on the adapter If you don t use a double...

Page 4: ...alth band This is to prevent skin reactions Discontinue use and consult your doctor if reactions persist Compliance with standards The device meets the relevant standards for this type of Class II electrical medical equipment for home use This Philips device complies with all applicable standards and regulations regarding exposure to electromagnetic fields This Philips device complies with applica...

Page 5: ...tside of your wrist Fig 4 Fig 5 in direct contact with your skin Fig 6 Make sure that the health band is not on your wrist bone Fig 7 The health band is designed to be worn day and night Note You can wear the health band on your left or right wrist In the app you can also set which hand is your dominant hand Make sure the wearing side in the settings menu of the HealthSuite health app is the same ...

Page 6: ... goal Indicates an empty battery Indicates a full battery Indicates you need to go to the app and follow setup instructions Indicates the health band is connecting to a smartphone Indicates the alarm has been set Indicates the alarm going off Indicates the health band lost the date or time Sync with your smartphone to see the date time again Indicates the memory of the health band is almost full S...

Page 7: ...ive calories screen to go to the active minutes screen This screen shows you how many minutes you have been active If you have set a goal in the app your progress is shown in this menu on the health band Active minutes are only calculated when you exercise for at least 10 consecutive minutes in heart rate zone 2 or higher Note The health band automatically detects walking running and cycling Sleep...

Page 8: ...e factory reset icon 3 Double tap on the display to start factory reset When factory reset is completed your device is ready to pair again You can now set up a new pairing connection see Preparing for use Selected factory reset by mistake If you reset the health band to factory reset by mistake you need to set up a new connection 1 Open the app go to the app settings and select remove device 2 Exi...

Page 9: ...te of purchase and agrees to repair or replace any defective product without charge IMPORTANT This warranty does not cover damage resulting from accident misuse or abuse lack of reasonable care the affixing of any attachment not provided with the product or loss of parts or subjecting the product to any but the specified voltage or batteries NO RESPONSIBILITY IS ASSUMED FOR ANY SPECIAL INCIDENTAL ...

Page 10: ...charging cradle and wait until the charging icon is shown This indicates the device works correctly again There is an internal error If the device fails to charge or the device still does not respond visit our website www philips com support for assistance or call toll free 1 844 531 6861 Not all data is shown in the app The data has not yet been transferred from the health band to the app Sync th...

Page 11: ...t cannot for a variety of reasons be presented on the medical device itself Symbol for Class II Equipment The adapter is double insulated Class II This device contains a rechargeable battery which must be disposed of properly See chapter Disposal for more information This symbol means Bluetooth logo This symbol means USB This symbol means the manufacturer s serial number to identify a specific med...

Page 12: ...ABS TPU Expected lifetime of the device 3 years Earlier signs of failure could be wear of the strap or reduced operating time Ingress Protection IPX5 IPX7 health band IP21 charger Network connection type Bluetooth Low Energy v4 GATT and security manager Frequency band 2402 2480 MHz Modulation GFSK Effective radiated power Max 5dBm Compliance information Electromagnetic emissions and immunity The d...

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