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- It is important to always listen to your body first,

instead of only relying on measurements of the
health band. Too intense exercising may cause
health problems like feeling dizzy or faint,
nausea, temporary chest pain or exhaustion.

- Consult your doctor before you start exercising

in the following situations:

-

If you have heart disease, kidney disease
and/or diabetes mellitus type 1 or 2. 

-

If you are taking medicines for high blood
pressure and/or that influence your
(maximum) heart rate. (In case of doubt,
please check with your doctor).

-

If you have a heart condition or if you are in
cardiac rehab.

Ask your doctor about which exercises you can
do and what your target heart rate should be.
Exercising with a too high heart rate could
cause health problems like temporary chest
pain, heart overload or exhaustion.

- Always consult your doctor first before you start

or continue exercising if you experience any of
the following signs or symptoms:

-

If you feel dizzy or nauseated or feel that
you are about to faint.

-

If you feel unusually tired or exhausted
during normal activities.

-

If you feel pain in your chest, neck, jaw or
arms.

-

If you feel your heart beats too hard or too
fast.

-

If you are short of breath during rest or mild
exertion, when lying flat or during the night.

-

If you have a known heart murmur.

-

If you have swollen ankles.

Exercising with any of these symptoms might
increase the risk of heart problems.

- Avoid vigorous to near-maximal activity if you

are not very active or not accustomed to this.
Too intense exercising may increase the risk of
injuries (e.g. falls, sprains) and may cause health
problems like fainting, nausea, temporary chest
pain or exhaustion. 

- During pregnancy: 

-

Always follow your doctor's advice on
weight management, exercise type,
frequency, duration, intensity and rest
intervals.

-

The heart rate zone indicator is not
applicable. 

-

Make sure that you update your weight in
the app on a regular basis. Failure to do so
might result in inaccurate energy
expenditure (calorie burn) estimation.

Heart rate related algorithms and resting
respiration rate are not validated for pregnant
women. 

- Keep the device out of reach of infants, children

or pets. Inhalation or swallowing of small parts
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-insulated IEC60950-1
class II USB adapter it could malfunction. This
may cause injury, e.g. electrical shock, or
damage.

- Only use the charger and detachable parts

authorized by the manufacturer. The use of
unauthorized parts or accessories may cause
injury, e.g. electrical shock, or damage.

- Do not modify the device or charger. This could

result in injuries, e.g. electrical shock.

- This device can be used by persons with

reduced physical or mental capabilities, or lack
of understanding and knowledge. They can
only use the device under supervision or after
instruction by a person responsible for their
safety.

- To reduce the risk of skin irritation, follow the

instructions in chapter 'Wearing the health
band'.

- Energy expenditure algorithms are not

validated for people with impaired gait. These
users should not use the total and active
calories burned as shown on the device as a
reference for their actual calories burned. 

Caution

- Do not use the device near strong electric or

magnetic fields, for example magnets, radio
transmitters or microwave ovens. This could
cause measurement errors.

- Do not share the device. The Philips health

band is designed for personal use only. The
health band measures several health
parameters, which are updated over time and
are personalized. Switching the health band
between different people could lead to
inaccurate calculations of several health
parameters.

- Use this device under the right environmental

conditions (see 'Specifications '). Not doing so
could affect the performance and lifetime of the
device and the accuracy of the measurement
results.

- If you have any problems with using or

maintaining this device or if it malfunctions, visit
our website www.philips.com/support or call
1-844-531-6861 toll free.

- For accurate measurements it is important to

follow wearing instructions in chapter 'Wearing
the health band'.

GENERAL RECOMMENDATIONS

- Read this user manual carefully and always

follow the instructions.

- Do not use this health band for any other

purpose than intended.

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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