Philips DL8791 User Manual Download Page 5

Prob lem Possible 

cause

Solution

Battery of the 

device is too 

low.

Make sure the battery 

of the device is 

charged.

Touch 

inter face 

is not 

workin g.

The screen is 

locked.

Unlock the screen by 

tapping three times 

on the bottom of the 

touch ring.

The 

device 

does not 

respo nd 

or the 

display 

is dark 

and the 

device 

seems 

switch ed 

off.

The battery is 

empty.

Put the device in the 

charging cradle and 

connect to a power 

socket. Wait until the 

device is fully charged.

There is an 

internal error.

If the device fails to 

charge or the device 

still does not respond, 

call 1-844-531-6861 

for assistance.

The glass 

of the 

device is 

broken.

The watch 

was dropped.

Call 1-844-531-6861 

for assistance. Do not 

use the device when 

the glass is broken.

Heart 

rate 

signal 

is not 

showi ng.

Strap is not 

fastened 

tight enough 

around your 

wrist.

Make sure the watch 

is worn 

correctly

Indicate the side you 

are wearing the watch 

on in the app. In the 

app you can also 

select if your wearing 

side is your dominant 

hand.

Personal 

settings are 

incorrect in 

the app.

Update and correct 

your personal settings 

in the app.

Watch or skin 

is not clean.

Clean the device and 

your skin under the 

device.

In doubt 

about 

accura-

cy. / My 

device is 

not mea-

sur ing 

correc-

tly.

Direct contact 

with the skin 

can be lost 

if the watch 

is worn too 

loosely or 

when the 

strap is 

positioned 

over the wrist 

bone or when 

there is a lot 

of hand/wrist 

movement.

Make sure to position 

the watch 

correctly

 

and provide a snug but 

comfortable fit. If this 

does not fix the issue, 

try re-positioning the 

watch at bit higher up 

on the arm or on the 

other arm. (if you place 

the watch on the other 

arm, do not forget 

to change the watch 

placement setting in 

the app).

Prob lem Possible 

cause

Solution

Battery of the 

device is too 

low.

Make sure the battery 

of the device is 

charged.

Pairing 

again 

with the 

same 

phone 

or tablet 

is not 

possib le.

On the OS of 

the phone, 

in the app or 

in the health 

watch the 

former pairing 

bond still 

exists.

If you want to pair to 

the same phone again 

follow these steps 

below:

For iOS:

1. Go to Settings on 

your health watch and 

choose the unpair 

function.

2. In the Philips 

HealthSuite health 

app, go to Health 

Watch in the Settings 

menu and choose 

'Remove device'.

3. Shut down the app.

4. Remove the 

Philips health watch 

from the Bluetooth 

settings menu of your 

smartphone.

5. Open the Philips 

HealthSuite health 

app and pair again.

For Android:

1. Go to Settings on 

your health watch and 

choose the unpair 

function.

2. In the Philips 

HealthSuite health 

app, go to Health 

Watch in the Settings 

menu and choose 

'Remove device'.

3. Try to pair again.

Sync ing 

does not 

work.

Bluetooth is 

off on your 

phone or 

health watch.

Activate Bluetooth on 

your smartphone and 

make sure flight mode 

is not activated on the 

health watch.

Devices are 

not within 

range.

Hold device close to 

mobile phone and try 

again.

Device is not 

paired.

Make sure device is 

properly 

paired. (see 

'Preparing for use')

This device contains a rechargeable battery which 
must be disposed of 

properly.

 Contact your 

local town or city officials for battery disposal 
information. You can also call 1-800-8-BATTERY 
or visit www.rbrc.com for battery drop-off 
locations.
For assistance, visit our website 

www.philips.com/

support

 or call 1-844-531-6861 toll free.

Accessories

Philips accessories may be purchased at a store 
near you, or on our website 

www.philips.com/

store

Troubleshooting

This chapter summarizes the most common 
problems you could encounter with the device. 
If you are unable to solve the problem with the 
information below, visit 

www.philips.com/support

 

for a list of frequently asked questions or call 
1-844-531-6861 for assistance. 
You can also visit the help section in the app.

Prob lem Possible 

cause

Solution

Unable 

to find 

the 

Philips 

Health-

Suite 

health 

app in 

the app 

store.

A typo in app 

store search is 

made.

Try to write the name 

'HealthSuite' correctly 

in your app store or 

go to www.philips.

com/healthprograms/ 

for further instructions.

Unable 

to down-

load app.

Smartphone 

is not 

compatible 

with the app.

Incorrect OS.

The app only works 

with iOS and Android. 

Make sure iOS 8.0+ 

or Android 4.4.2+ 

is installed on your 

mobile device.

Pairing 

was 

unsuc-

cessful.

Bluetooth 

is switched 

off on your 

phone.

Activate Bluetooth on 

smartphone.

Hold device close to 

mobile phone and try 

again.

Pairing was 

not enabled 

on the health 

watch.

Make sure to enable 

pairing on the health 

watch by tapping 

the '>'-button in the 

pairing screen.

Devices are 

not within 

range or 

other devices 

interfere.

Make sure no other 

devices are nearby to 

avoid interference.

Settings

Select settings from the main menu. Settings can 
be adapted to your preference. Swipe left or right 
at the bottom of the touch ring and tap to start to 
set user settings, to select flight mode, regulatory 
information or to reset the device to the factory 
settings. 

 

-

User settings: Swipe left or right to select the 
active view, to invert screen colors or select the 
type of clock displayed (analog or digital) and 
to set up backlight and vibrations.

 

-

Active view: When this function is enabled, 
the screen goes to the activity screen when an 
activity is detected.

 

-

Invert colors: Select either black or white as 
your standard screen color.

 

-

Clock: Select analog or digital display of the 
clock time.

 

-

Backlight: When you enable backlight, the 
display lights up briefly when you touch the 
touch ring to improve visibility.

 

-

Vibration: Turn vibration on or off. The alarm will 
still vibrate in case vibration is turned off.

 

-

Flight mode: When you select the flight mode, 
Bluetooth automatically switches off. Select 
‘turn off flight mode’ to return to normal mode.

 

-

Unpair: This function unpairs the health watch 
and smartphone. Use this function if you want 
to pair the watch with a new phone or with your 
current phone in case of syncing issues. Pairing 
to the same phone might require to shut down 
the app and delete the health watch from your 
smartphone’s Bluetooth settings first.

 

-

Factory reset: This will reset your watch and will 
unpair your device with the Philips HealthSuite 
health app. This will also delete all your 
unsynchronized data from the Philips health 
watch. All settings will switch to default settings 
and the device will switch off. To activate the 
watch again, place it in the charger.

Cleaning and storage

To clean the watch, wipe the surface of the device 
with a dry or slightly damp cloth with water or mild 
detergent. Clean the charging cradle with a dry 
cloth. Never use compressed air, scouring pads, 
abrasive cleaning agents or aggressive liquids such 
as gasoline or acetone to clean the device. This 
could damage the device.
Store the device in a dry, dust-free place away 
from direct sunlight or other heat sources. 

Avoid 

surroundings with fluctuating temperatures

.

Disposal

Your product is designed and manufactured with 
high quality materials and components, which can 
be recycled and reused. For recycling information, 
please contact your local waste management 
facilities or visit www.recycle.philips.com

Summary of Contents for DL8791

Page 1: ... to measure motion and green Light Emitting Diodes LEDs and a photodiode to create a photoplethysmogram PPG The accelerometer output and the PPG signal are analyzed to determine heartbeat activity type steps taken and are used as input for estimation of energy expenditure and other parameters IMPORTANT SAFEGUARDS Warning READ ALL INSTRUCTIONS BEFORE USING When using battery operated products espec...

Page 2: ...in case of sleep problems They have not been validated for people with sleeping disorders Caution Do not use the device near strong electrical or magnetic fields for example magnets radio transmitters microwave ovens This could cause measurement errors Use this device under the right environmental conditions as indicated in this user manual If not this could affect the performance and lifetime of ...

Page 3: ...et 2 meters from each other in the same room 2 Once successfully connected the measurement results are synced to the Philips HealthSuite health app If the sync is successful the measurement results are displayed in the Philips HealthSuite health app where you can check your personal health data Note Some measurements take up to 24 hours to begin to display data Note If you are unable to sync see c...

Page 4: ...mount of calories in the food database Heart rate recovery HRR is the difference in heart rate at peak exercise and the rate as measured after a one minute recovery period The watch will measure HRR when you are exercising with your heart rate being at least 80 of your maximum heart rate for a minimum of ten minutes The measurement starts when a change from high intensity activity running or cycli...

Page 5: ...ng This chapter summarizes the most common problems you could encounter with the device If you are unable to solve the problem with the information below visit www philips com support for a list of frequently asked questions or call 1 844 531 6861 for assistance You can also visit the help section in the app Prob lem Possible cause Solution Unable to find the Philips Health Suite health app in the...

Page 6: ... years from the date 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 NO RESPONSIBILITY IS ASSUMED FOR ANY SPECIAL INCIDE...

Page 7: ...ISM bands d 1 17 P 80 MHz to 800 MHz d 1 17 P 800 MHz to 2 5 GHz d 2 23 P 0 01 5in 5in 9in 0 1 1ft 4in 1ft 4in 2 ft 1 4ft 4ft 7 ft 10 12 ft 12 ft 24ft 100 39ft 39ft 75 ft For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output ...

Page 8: ...onics North America Corporation P O Box 10313 Stamford CT 06904 Indicates the relative humidity limits to which the device can be safely exposed 10 to 93 Indicates the storage and transportation temperature limits to which the medical device can be safely exposed 41 F to 104 F 20 C to 40 C Specifications Power supply Built in rechargeable li polymer battery Charging cradle 5V DC and 500mA Display ...

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