Before operating this toothbrush, please read these instructions and
save this manual for future reference.
IMPORTANT
•
Periodically check the entire product/cords/
accessories for damage. A damaged or nonfunctioning unit should no longer be used. If
the product/cords/accessories are damaged,
take it to an Oral-B Service Centre. Do not
modify or repair the product. This may cause
fire, electric shock or injury.
•
Never insert any object into any opening of
the appliance.
•
Usage by children under age 3 is not recommended. Tooth
dren
and persons with reduced physical,
sensory or mental
experience
brushes can be used by chil-
capabilities or lack of
and knowledge, if they have been
given supervision or in struction concerning
use of the appliance in a safe way and
understand the hazards involved.
•
Cleaning and maintenance shall not be performed by children.
•
Children shall not play with the appliance.
•
Use this product only for its intended use as
described in this manual. Do not use attachments which are not recommended by the
manufacturer. Only use the charger provided
with your appliance.
WARNING
• Do not place the charger/charging stand, smart plug or charging
travel case in water or liquid or store where it can fall or be pulled
into a tub or sink. Do not reach for it when fallen into water. Unplug
immediately.
• This appliance contains batteries that are non-replaceable. Do
not open and disassemble device. For battery recycling please
dispose whole device according to local environmental regulations. Opening the handle will destroy the appliance and invalidate the warranty.
• When unplugging, always pull the power plug instead of the cord.
Do not touch the power plug with wet hands. This can cause an
electric shock.
• If you are undergoing treatment for any oral care condition, consult your dental professional prior to use.
• This toothbrush is a personal care device and is not intended for
use on multiple patients in a dental practice or institution.
• Only use the charger and/or special cord set (smart plug) with
integrated Safety Extra Low Voltage power supply provided with
your appliance. Do not exchange or tamper with any part of it,
otherwise there is risk of an electric shock. If charging stand/
charging travel case is marked with
Braun/Oral-B special cord set (smart plug) with this identification.
• Small parts may come off, keep out of reach of children.
To avoid brush head breakage which may generate a small parts
choking hazard or damage teeth:
• Prior to each use, ensure the brush head fits well. Discontinue
use of the toothbrush, if brush head no longer fit properly. Never
use without a brush head.
• If the toothbrush handle is dropped, the brush head should be
replaced before the next use even if no damage is visible.
• Replace brush head every 3 months or sooner if brush head
becomes worn.
• Clean brush head properly after each use (see «Cleaning recommendations» paragraph). Proper cleaning ensures the safe use
and functional life of the toothbrush.
492
492-XXXX
, only use
Important Information
• Your Oral-B toothbrush can be used with your smartphone (find
details under «Connecting your toothbrush to your Smartphone»).
• To avoid electromagnetic interference and/or compatibility conflicts, deactivate Bluetooth on your toothbrush handle (5) before
using it in restricted surroundings, such as aircrafts or specially
marked areas in hospitals.
• Deactivate Bluetooth by simultaneously pressing the on/off (3) and
mode button (4) for 2 seconds until the Bluetooth indicator (7) goes
off. Follow the same procedure to reactivate Bluetooth again.
• Persons with pacemakers should always keep the toothbrush
more than six inches (15 centimeters) from the pacemaker while
turned on. Anytime you suspect interference is taking place,
deactivate Bluetooth.
Description
1 Brush head
2 Smart Ring
3 On/off button
4 Brushing mode button
5 Handle
6 Brushing mode display
7 Bluetooth
8 Charge level display
Accessories (depending on model):
9 Basic charger (with fixed cord)
10 Brush head holder
11 Brush head compartment with protective cover
12 Charging travel case
12a Charge indicator light
12b USB port
12c Smart plug port
12d Inner lid (with smartphone holder)
12e Removable inlay
13 Smart plug (power supply)
14 Charging stand (with detachable cable)
15 Beauty bag
16 Basic travel case
17 Charger pouch
Note: Content may vary based on the model purchased.
Specifications
For voltage specifications refer to the type plates/bottom of devices.
Noise level: 68 dB (A)
Charging and Operating
Your toothbrush has a waterproof handle, is electrically safe and
designed for use in the bathroom.
• You may use your toothbrush right away or charge it briefly by
placing it on the plugged-in basic charger (9) or charging stand
(14). When using the charging stand (14) use the extra smart plug
(13) provided (picture B). Only the smart plug may be used for all
global mains voltage ranges (100 -240V).
Note: In case the battery is empty (no lights illuminated on
charge level display (8) while charging or no reaction when pressing the on/off button (3)), charge at least for 30 minutes.
• The charge level is indicated on the charge level display (8).
Flashing lights indicate that the battery is charging (picture
once it is fully charged, the lights turn off. A full charge typically
takes 12 hours and enables at least 2 weeks of regular brushing
(twice a day, 2 minutes).
Note: At a very low charge level, the lights might not flash immediately; it can take up to 30 minutes.
• If the battery is running low, a red light is flashing on the charge
level display and the motor is reducing its speed. Once the battery is empty, the motor will stop; it will need at least a 30-minute
charge for one usage.
• You can always store the handle on the plugged-in charging unit
to maintain it at full power; a battery overcharge is prevented by
device.
Note: Store handle at room temperature for optimal battery maintenance.
Caution: Do not expose handle to temperatures higher than 50 °C.
);
1
Using your toothbrush
Brushing technique
Wet brush head and apply any kind of toothpaste. To avoid splashing, guide the brush head to your teeth before switching on the
handle (picture
oscillating-rotating brush heads guide the brush head slowly from
tooth to tooth, spending a few seconds on each tooth surface. With
any brush head start brushing the outsides, then the insides and
finally the chewing surfaces. Brush all four quadrants of your mouth
equally (picture
hygienist about the right technique for you.
In the first days of using any electric toothbrush, your gums may
bleed slightly. In general, bleeding should stop after a few days.
Should it persist after 2 weeks, please consult your dentist or dental
hygienist. If you have sensitive teeth and/or gums, Oral-B recommends using the «Sensitive» mode (optional in combination with an
Oral-B «Sensitive» brush head).
Smart Ring features
Your toothbrush is equipped with a Smart Ring (2) that has various
functionalities indicated via different colors of light:
White (default) = Operating and visual timer light (choose individual
color via Oral-B
Red = Pressure sensor light
Blue = Bluetooth
Timer
The timer signals with a short stuttering sound and a flashing light
of the Smart Ring at 30-seconds intervals to move to the next
quadrant of your mouth (picture
flashing light indicate the end of the professionally recommended
2-minute brushing time.
The timer memorizes the elapsed brushing time, even when the
handle is briefly switched off during brushing. The timer resets if
pausing longer than 30 seconds, briefly pressing the mode button
(4) during pause or placing the handle on the plugged-in charger.
Note: During the use of the Oral-B™ App, the timer may be deactivated for some features.
Note: You can also customize the timer settings via Oral-B
Pressure sensor
If too much pressure is applied, the Smart Ring (2) will light up in
red, reminding you to reduce pressure. Constant high pressure for
more than 5 seconds is indicated with a fast flashing Smart Ring (2).
In addition, the pulsation of the brush head will stop and the oscillation movement of the brush head will be reduced (during «Daily
Clean», «Pro Clean» and «Sensitive» mode) (picture
Periodically check the operation of the pressure sensor by pressing
moderately on the brush head during use.
Note: During the use of the Oral-B™ App, the pressure sensor may
be deactivated for some features.
Brushing modes
Your toothbrush offers different brushing modes indicated on the
brushing mode display (6) on your handle («Daily Clean» mode does
not illuminate on the brushing mode display):
«Daily Clean» – Standard mode for daily cleaning
«Pro Clean» – For an extraordinary clean feeling (operated
«Sensitive» – Gentle, yet thorough cleaning for sensitive areas
«3D White» – Polishing for occasional or everyday use
«Gum Care» – Gentle massage of gums
«Tongue Clean» – Tongue cleaning for occasional or everyday use
5
). When brushing your teeth with one of the Oral-B
When operating the «Tongue Clean» mode, we recommend using
the «Sensitive» brush head. You can brush your tongue either with
or without toothpaste. Brush the whole area of your tongue systematically in gentle movements. The recommended brushing time is
20 seconds; indicated with a flashing light of the Smart Ring.
Your toothbrush automatically starts in the mode selected last. To
switch to other modes, successively press the mode button during
use (picture
mode, press and hold the mode button (4).
Note: You can also customize the mode settings via Oral-B
). To return from any mode back to «Daily Clean»
4
™
App.
Brush heads
Oral-B offers you a variety of different Oral-B brush heads that fit
your Oral-B toothbrush handle.
Our oscillating-rotating brush heads can be used for tooth-by-tooth
precision cleaning.
Oral-B CrossAction brush head
Our most advanced brush head. Angled bristles for a
precise clean. Lifts and powers away plaque.
Oral-B FlossAction brush head
features micropulse bristles that allow for an out-
standing plaque removal in the interdental areas.
Oral-B 3D White brush head
features a special polishing cup to naturally whiten
your teeth. Please note that children under 12 years
old should not use the Oral-B «3D White» brush head.
Oral-B Sensitive Clean brush head
features a combination of regular bristles to clean
teeth surfaces and ultrathin bristles for a gentle
brushing experience on the gumline.
®
Most Oral-B brush heads feature INDICATOR
monitor brush head replacement need. With thorough brushing,
twice a day for two minutes, the colour will fade halfway approximately within 3 months, indicating the need to exchange your brush
head. If the bristles splay before the colour recedes, you may exert
too much pressure on teeth and gums.
We do not recommend using the Oral-B «FlossAction» or Oral-B
«3D White» brush head with braces. You may use the Oral-B
«Ortho» brush head, specifically designed to clean around braces
and wires.
bristles to help you
Connecting your
toothbrush to your Smartphone
The Oral-B™ App is available for smartphones running iOS or
Android operating systems. It can be downloaded for free from App
(SM)
or Google Play™. Your handle has sensors installed that,
Store
together with a «brushing recognition» feature in the App, help you
to detect what areas to brush and for how long. Furthermore, the
Oral-B™ App gives you the opportunity to chart your brushing
activities, give you coaching and customize your toothbrush settings.
• Launch the Oral-B™ App. It will guide you through the entire
Bluetooth pairing procedure. You may also find it under the
App´s settings (Settings -> Toothbrush).
Note: Oral-B™ App functionality is limited if Bluetooth is deactivated on your smartphone (for directions please refer to your
smartphone’s user manual).
• Any app instructions will be displayed on your smartphone.
• If Bluetooth is activated on your handle, the Bluetooth indicator
(7) illuminates. Once the handle is paired with the App, the Smart
Ring (2) flashes briefly.
• Keep your smartphone in close proximity (within 5m distance)
when using it with the handle. Make sure the smartphone is
safely positioned in a dry place.
Note: Your smartphone must support Bluetooth 4.0 (or higher)/Blue-tooth Smart in order to pair your handle. Compatible smartphones
are listed in App Store
country availability of the Oral-B
Caution: Follow your smartphone’s user manual to ensure your
phone/charger is designed for use in a bathroom environment.
(SM)
or Google Play™. Check app.oralb.com for
TM
App.
Cleaning recommen dations
After brushing, rinse your brush head under running water with the handle switched on. Switch off and remove the brush head. Clean handle
and brush head separately; wipe them dry before reassembling. Unplug
the basic charger/charging stand before cleaning (picture
To be cleaned with a damp cloth only: basic charger (9), charging
stand (14), charger pouch (17), charging travel case (12), basic
travel case (16) and smart plug (13).
Dishwasher-safe: brush head holder (10), brush head compartment
and protective cover (11), removable inlay (12e) of the charging
travel case (picture B3).
Hand wash: beauty bag (15) only with lukewarm water (30°C – 40°C).
).
5
Accessories
(depending on model)
Charging Travel Case
• To charge your handle (5) place it on the pin in the charging travel
case (12) and connect it to an electric outlet, using the extra
smart plug (13) provided. The smart plug may be used for all
global mains voltage ranges (100 – 240V).
• The flashing light (12a) of the charging travel case indicates that
the handle is charging. Once the handle is fully charged the light
turns off. A full charge typically takes 12 hours (picture B1).
Note: You may use the USB port (12b) to charge an electric device
while the charging travel case is plugged in. The handle can only
be charged with the smart plug (13) (12c) not via USB port.
• The inner lid of the travel case has a built-in smartphone holder
(12d), which can hold your smartphone while using (picture B2).
Before use, make sure your phone fits the stand and keeps stable.
• Cleaning: The removable inlay (picture B3) (12e) of the travel
case is dishwasher-safe (picture
cleaned with a damp cloth only. Make sure that travel case parts
are completely dry before reassembling and toothbrush/brush
heads are dry before storing in the travel case.
Note: Clean stains on travel case surface immediately. Store travel case in
a clean and dry place.
Follow your smartphone’s user manual to ensure your phone/charger
is designed for use in a bathroom environment.
Beauty Bag / Charger Pouch / Basic Travel Case
Store the clean and dry toothbrush/brush heads in the basic travel
case (16) and place it inside the beauty bag (15) (picture C).
Store the charger/charging stand in the charger pouch (17) (picture D).
Cleaning: Clean stains on surfaces immediately. The beauty bag
should be hand washed only with lukewarm water (30°C – 40°C).
Basic travel case and charger pouch should be cleaned with a
damp cloth only (picture
Subject to change without notice.
). Store in clean and dry place.
5
). The outer case should be
5
Environmental Notice
Product contains batteries and/or recyclable electric
waste. For environment protection do not dispose in
household waste, but for recycling take to electric
waste collection points provided in your country.
Guarantee
We grant 2 years guarantee on the product commencing on the date
of purchase. Within the guarantee period we will eliminate, free of
charge, any defects in the appliance resulting from faults in materials
or workmanship, either by repairing or replacing the complete appliance as we may choose. Depending on availability replacement of a
unit might result in a different color or an equivalent model.
This guarantee extends to every country where this appliance is
supplied by Braun or its appointed distributor. This guarantee does
not cover: damage due to improper use, normal wear or use, especially regarding the brush heads, as well as defects that have a negligible effect on the value or operation of the appliance.
The guarantee becomes void if repairs are undertaken by unauthorised persons and if original Braun parts are not used.
This appliance is equipped with a Bluetooth Smart approved radio
module. Failure to establish a Bluetooth Smart connection to specific
smart phones is not covered under the device guarantee, unless the
Bluetooth radio module of this appliance is damaged.
The Bluetooth devices are warranted by their own manufacturers and
not by Oral-B. Oral-B does not influence or make any recommendations to device manufacturers, and therefore Oral-B does not assume
any responsibility for the number of compatible devices with our
Bluetooth systems.
Oral-B reserves the right, without any prior notice, to make any
technical modifications or changes to system implementation of
device features, interface, and menu structure changes that are
deemed necessary to ensure that Oral-B systems function reliably.
To obtain service within the guarantee period, hand in or send the
complete appliance with your sales receipt to an authorised Oral-B
Braun Customer Service Centre.
®
Information Bluetooth
Although all indicated functions on the Bluetooth device are sup-
ported, Oral-B does not ensure 100% reliability in connection, and
feature operation consistency.
Operation performance and connection reliability are direct consequences of each individual Bluetooth device, software version, as well
as the operating system of those Bluetooth devices and company
security regulations implemented on the device.
Oral-B adheres to and strictly implements the Bluetooth standard by
which Bluetooth devices can communicate and function in Oral-B
toothbrushes.
However, if device manufacturers fail to implement this standard,
Bluetooth compatibility and features will be further compromised
and the user may experience functional and feature-related issues.
Please note that the software on the Bluetooth device can
significantly affect compatibility and operation.
1) Warranty – Exclusions and Limitations
This limited warranty applies only to the new products manufactured by or for The Procter & Gamble Company, its Affiliates or Subsidiaries («P&G») that can be identified by the Braun / Oral-B trademark, trade name, or logo affixed thereto. This limited warranty
does not apply to any non-P&G product including hardware and
software. P&G is not liable for any damage to or loss of any programs, data, or other information stored on any media contained
within the product, or any non-P&G product or part not covered by
this limited warranty. Recovery or reinstallation of programs, data or
other information is not covered under this limited warranty.
This limited warranty does not apply to (i) damage caused by accident, abuse, misuse, neglect, misapplication, or non-P&G product; (ii)
damage caused by service performed by anyone other than Braun or
authorized Braun service location; (iii) a product or part that has been
modified without the written permission of P&G, and (iv) damage arising out of the use of or inability to use the Oral-B Smartphone stand/
puck, Smartphone mirror holder, or charging travel case («Accessories»).
2) Using your smartphone holder
The Oral-B Accessories included in the package has been designed
to provide you with a convenient way to position your smartphone
while you are using the Oral-B app. Try multiple orientations of your
smartphone in the Oral-B smartphone holder prior to use to determine the best positioning of your smartphone in the holder. Be sure
to try this in a manner which will not harm your smartphone if it falls
out of the stand. Do not use in automobiles.
TO THE EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT
SHALL P&G ITS DISTRIBUTORS OR SUPPLIERS BE LIABLE TO
YOU OR ANY THIRD PARTY FOR ANY DIRECT, INDIRECT,
INCIDENTAL, CONSEQUENTIAL, SPECIAL, EXEMPLARY OR
PUNITIVE DAMAGES, OF ANY NATURE WHATSOEVER, ARISING
OUT OF THE USE OF OR INABILITY TO USE THE ORAL-B
ACCESSORIES, INCLUDING, WITHOUT LIMITATION, INJURY TO
PERSONS, PROPERTY DAMAGE, LOSS OF VALUE OF ANY THIRD
PARTY PRODUCTS THAT ARE USED IN OR WITH THE ORAL-B
ACCESSORIES, OR LOSS OF USE OF THE ORAL-B
ACCESSORIES OR ANY THIRD PARTY PRODUCTS THAT ARE
USED IN OR WITH THE ORAL-B ACCESSORIES, EVEN IF P&G
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
WITHOUT LIMITING THE FOREGOING, YOU UNDERSTAND AND
AGREE THAT P&G HAS NO LIABILITY FOR ANY DAMAGE OR
DESTRUCTION TO CONSUMER ELECTRONICS DEVICES OR
OTHER PERSONAL PROPERTY THAT ARE CONTAINED ON OR
EXTERIOR TO THE ORAL-B ACCESSORIES, OR ANY LOSS OF
DATA CONTAINED IN THE FOREGOING DEVICES. IN NO EVENT
SHALL ANY RECOVERY AGAINST ORAL-B EXCEED THE ACTUAL
PRICE PAID FOR THE PURCHASE OF THE PRODUCT.
Warranty replacement brush heads
Oral-B warranty will be voided if electric rechargeable handle damage is found to be attributed to the use of non-Oral-B replacement
brush heads.
Oral-B does not recommend the use of non-Oral-B replacement
brush heads.
• Oral-B has no control over the quality of non-Oral-B replacement
brush heads. Therefore, we cannot ensure the cleaning performance of non-Oral-B replacement brush heads, as communicated
with the electric rechargeable handle at time of initial purchase.
• Oral-B cannot ensure a good fit of non-Oral-B replacement brush
heads.
• Oral-B cannot predict the long-term effect of non-Oral-B replacement brush heads on handle wear.
All Oral-B replacement brush heads carry the Oral-B logo and meet
Oral-B’s high quality standards. Oral-B does not sell replacement
brush heads or handle parts under any other brand name.
Trouble Shooting
ProblemPossible reasonRemedy
APP
Handle does
not operate
(properly)
with Oral-B
App.
Reset to factory settings.
TOOTHBRUSH
Handle is not
operating
(during first
use).
Short stuttering sounds/
flashing light
after 2 minutes or handle does not
operate any
timer.
Handle does
not charge.
1. Oral-B™ App is
closed.
2. Bluetooth is not
™
activated on smartphone.
3. Bluetooth is deactivated on handle;
Bluetooth indicator
(7) is off.
4. Bluetooth connection to smartphone
has been lost.
5. Your smartphone
does not support
Bluetooth 4.0 (or
higher)/Bluetooth
Smart.
6. Handle on pluggedin charger.
7. Outdated Oral-B™
App.
Original app functionality wanted.
Battery has a very low
charge level; no lights
illuminate.
Timer has been modified/deactivated via
App.
1. Battery is at a very
low charger level.
2. Ambient temperature for charging is
out of valid range
(≤ 0°C and ≥ 60°C).
1. Launch Oral-B™
App.
2. Activate Bluetooth
on smartphone
(described in its
user manual).
3. Activate Bluetooth
by simultaneously
pressing on/off (3)
and mode button (4)
for 2 seconds until
Bluetooth indicator
(7) turns on.
4. Pair handle and
smartphone again
via app settings.
Keep your smartphone in close proximity when using it
with handle.
5. Your smartphone
must support Blue-
tooth 4.0 (or higher)/
Bluetooth Smart in
order to pair handle.
Check App Store
or Google Play™ for
compatible smartphones.
6. Bluetooth is deactivated while handle
is placed on
plugged-in charger.
7. Download latest
Oral-B™ App.
Press and hold on/off
button (3) for 10 seconds until all indicator
lights double blink
simultaneously.
Charge at least for 30
min.
Use App to change
timer settings or perform factory reset
(see App Trouble
Shootings).
1. Charging lights
might not flash
immediately; it can
take up to 30 minutes.
2. Recommended
ambient temperature for charging is
5°C to 35°C.
Charging
performance
of USB-connected
devices via
charging
travel case
are not as
expected.
The rechargeable toothbrush contains a radio module which operates in the 2.4 to 2.48 GHz band with a maximum power of 1mW.
Hereby, Braun GmbH declares that the radio equipment types 3771,
3765, 3754, 3764, 3762 and 3767 are in compliance with Directive
2014/53/EU. The full text of the EU declaration of conformity is
available at the following internet address: www.oralb.com/ce.
In some limited situations, your toothbrush may turn off due to
nearby electromagnetic fields in the range of 621 to 714 MHz. This
is not damaging to your toothbrush; you may turn it back on to continue brushing.
Your USB-connected
device may require
your manufacturer’s
power source to fullfill
its charging performance.
Use original manufacturer power source of
USB-connected device
to achieve desired
charging performance.
Русский
Руководство по эксплуатации
Добро пожаловать в мир Oral-B!
Прежде чем пользоваться нашей зубной щеткой, пожалуйста,
прочитайте инструкции и сохраните это руководство.
ЭТО ВАЖНО
•
Время от времени проверяйте весь
продукт/провода/аксессуары на
отсутствие повреждений. Поврежденная
или не функционирующая деталь не
должна дальше использоваться. При
повреждении продукта, аксессуаров или
проводов обратитесь в сервисный центр
Oral-B. Не ремонтируйте продукт
самостоятельно и не вносите в него
изменений. Это может спровоцировать
возгорание, удар электрическим током
или иные повреждения.
•
Не вставляйте посторонние предметы в
любые разъемы прибора.
•
Не рекомендуется использование детьми
в возрасте до 3 лет. Дети и лица с ограниченными физическими, сенсорными
или умственными способностями либо
недостаточным соответствующим опытом и знаниями могут использовать эту
зубную щетку, только если они находятся
под присмотром лица, отвечающего за
их безопасность, или получили инструкции по безопасному использованию прибора и осознают его потенциальную
опасность.
•
Очистка и эксплуатация устройства не
должны осуществляться детьми.
•
Не давайте детям играть с устройством.
•
Используйте продукт только по
назначению, описанному в настоящем
руководстве. Не используйте аксессуары,
не рекомендованные производителем.
Используйте только зарядное устройство,
входящее в комплектацию.
ВНИМАНИЕ
• Не допускайте попадания зарядного устройства/ зарядного
стенда в воду или жидкость и не храните его в месте, где оно
может упасть, оказаться в ванне или в раковине. При
попадании зарядного устройства в воду не пытайтесь
достать его. Немедленно отключите его.
• Аккумулятор устройства не подлежит замене. Не
разбирайте устройство, кроме случаев утилизации
аккумулятора. Для переработки аккумулятора утилизируйте
устройство целиком в соответствии с предписаниями по
охране окружающей среды, действующими в вашей
местности. Нарушение целостности рукоятки повредит
ство и приведет к прекращению гарантии.
устрой
• При отключении от сети всегда тяните за сетевую вилку, а не
за провод. Не прикасайтесь к сетевой вилке влажными
руками. Это может привести к удару током.
• Если вы проходите курс лечения любого заболевания
полости рта, перед использованием устройства
проконсультируйтесь со своим стоматологом.
• Эта зубная щетка предназначена для личного пользования и
не предусмотрена для применения более чем одним
пациентом в стоматологической практике или клинике.
• Используйте только зарядное устройство и/или
специальный кабель питания (Smart Plug) со встроенным
безопасным источником питания сверхнизкого напряжения,
прилагающиеся к устройству. Во избежание удара