Kentro KTR-140 User manual
KTR-140
Shenzhen Kentro Medical Electronics Co.,Ltd
2nd Floor, No. 11, Shanzhuang Road, Xikeng Village,
Yuanshan Street, Longgang District, Shenzhen City,
Guangdon Province, China
[Tel]: +86(755)33825998, [Fax]: +86(755)33825996
Product Introduction
For people with cervical discomfort
The scope of products
The KTR-140 intelligent neck massager adopts a streamlined ring design
that conforms to the physiological curvature of the human cervical spine.
It uses low-frequency electrical pulses, magnetic effects, hot compresses,
and circular traction to form a composite energy field for simultaneous
multi-channel health care. Always maintain the correct physiological
posture, providing a platform for the health of the cervical spine. Let you
relax and enjoy the multifunctional system health care at home, so that
you can get more value-added enjoyment!
Product Features
■Designed according to ergonomics, beautiful and scientific, in line with
the neck curve
■Low-frequency electric pulse, magnetic effect, hot compress and
circular traction four-in-one synchronized health care form a composite
energy field
■Hot compress, using three levels of low temperature, medium
temperature and high temperature, you can choose according to your
own needs and ambient temperature
■Using 3D smart fitting technology, you can easily adjust the electrodes
according to your neck curve, making it more comfortable to use
■2 automatic combined massage modes, 4 manual massage modes,
can be selected according to different needs, suitable for a wider range
of people
■Built-in multiple healthy magnets
■Built-in rechargeable battery
Electrode sheet (optional) USB charging cable
How to Operate
1. Powersupply
1) USB power supply
Insert the output end plug of the Micro USB cable into the lower hole
(DC interface) of the massager, and then plug the input end pin of the
Micro USB cable into the mobile phone charger or power bank (5V
DC 1A or 2A)
1）Built-in rechargeable battery power supply。When no external
power supply is needed, the built-in rechargeable battery can supply
power
2）Remote control battery installation
Install the button battery CR2032 in the battery compartment on the
back of the remote control. The installation method is as shown in
①-② as shown in the figure below. Use your fingers to unscrew the
battery cover from the groove of the battery cover, and turn the button
battery CR2032 front (positive +) upward , Put it in the battery
compartment of the remote control, insert the positioning pin on the
top of the battery cover first, and then press the battery cover tightly.
2、Function operation
1）Wet the cervical spine and the conductive sheet with a wet towel,
and then put the massager close to the neck. If there is sweat on the
cervical spine, it must be cleaned before use.
2）Press the host key " " to enter the waiting state for signal
reception, and the main unit's working indicator flashes (the main
unit maintains the waiting signal reception state for 1 minute, and it
will automatically shut down if it does not receive a remote control
signal within 1 minute) Press the "" button on the remote control to turn
on, the main unit will beep once, the screen backlight will light up, and
the main unit work indicator will stay on, that is, the following settings
are available:
A、Automatic combination mode 1 massage
Installation
>>The use of remote control button battery
1、The remote control uses a "CR2032" button battery, which can be
used for about 3 months. (Use 30 minutes per day).
2、When you press the button, the remote control L CD backlight
brightness is significantly weakened or the remote control host is not
sensitive, it means that the battery power is low, please replace with
new batteries.
3、When not using the product for a long time, please remove the
battery. Otherwise, it may cause battery leakage and cause machine
malfunction.
4、Please do not use batteries other than the specified types.
5、Do not install the wrong battery's positive and negative poles, with
the positive pole facing up and the negative pole facing down.
6、Do not use the battery in an environment above 45°C, otherwise it
will affect the performance and life of the battery.
7、Please dispose of the used battery in accordance with the city's
relevant environmental protection regulations.
B、0th gear massage intensity
C、Moderate heat
D、Timed 15 minutes
If you want to stop working, you can press and hold the remote control
" " button for 2 seconds to shut down, or press the host " "Shut
down directly.
3）“ ”Key using
In the off state, press the " " button on the host to enter the standby
state, and press the " " button on the remote control to turn on;
When it is on, short press the " " button on the host to turn off
When powering on, press and hold the remote control "" button for 2
seconds to power off
4）“ ”Key using
Pulse mode switching button, you can select six pulse modes by
pressing the remote control " " button, and the default setting is
mode 1 (automatic combination 1 mode) when power on. The intensity
is the first gear after each mode change. The six massage modes are
Mode 1: Automatic combination 1
Mode 2: Automatic combination 2
Mode 3: Scratch
Mode 4: Press
Mode 5: Roll
Mode 6: Beat
The automatic combination mode 1 and 2 are manual modes after the
automatic cycle, which automatically switches every minute. It is
recommended to use the automatic combination mode.
5）”"+" key using
Pulse intensity enhancement key. Each time you turn on the machine,
the intensity is set to 0 level. Press the "+" key once to increase the
intensity by one level. There are a total of 0-16 levels of intensity. The
massage should be at a self-acceptable intensity. It is recommended for
the first use Start to adapt with weak gears.
6）"-" key using
Pulse intensity weakening key, each time you press the "-" key, the
intensity will be weakened by one level, with a total of 0-16 levels.
7）“ ”key using
Press the " " button on the remote control to switch between three
heating modes, namely low heat (1), medium heat (2), and high heat
(3). The corresponding indications on the screen. When switched to
"0", the heat stops, and the default is medium heat
8）Timing adjustment
In the power-on state, short press the " " button on the remote
control to switch the timing time. The timing time is divided into 6
levels: 5, 10, 15, 20, 25, and 30 minutes. The default is 15 minutes.
It is recommended to use 1-2 times a day, electric pulse massage
for 15 minutes each time, and heating for 15-30 minutes each time
>>Use of rechargeable batteries
>>How to remove therechargeable battery
1、In the process of using the smart cervical spine massager, when
you hear the buzzer continuously prompting "di, di, di", it indicates that
the built-in lithium battery is low, and you can use the USB power
supply to charge. When the battery is fully charged, the green indicator
light is always on, and it takes about 2 hours to fully charge.
2、It can be used for about 5 days after fully charged (2 times a day).
3、Under normal use, the life of this rechargeable battery is ≥500 times
of charge and discharge, and it can be used for about 2-3 years (30
minutes per day).
4、When the rechargeable battery is not used for a long time, the
service life of the rechargeable battery will be shortened. It is
recommended to fully charge it at least once a month.
1、The built-in lithium battery of this product contains substances that
may pollute the environment. Before disposing of this product, the
built-in lithium battery should be removed.
2、Before disassembling this product and removing the lithium battery,
be sure to turn off the power or cut off the power.
3、The detailed steps to take out the lithium battery are shown in the
figure below. Disassemble the product in the order of ①-②and take
out the lithium battery.
4、The taken-out lithium battery should be safely disposed of in a
place specified by the government or a recycling unit. (as the picture
shows).
Cleaning Maintenance and Storage
1. Cleaning and Maintenance
1) If the massager becomes dirty, wipe it with a dry soft cloth or dry
towel.
2) Please clean the conducting strips frequently with a wet soft cloth
or towel dipped with water; if they are too dirty, use a soft cloth with
a little medical alcohol (with a concentration of 75%) to wipe them.
2. Storage
1) Keep this massager out of the reach of children.
2) Don’t store it in places with direct sunshine, high temperature
or moisture.
3) Store it in a dry and good ventilated place.
4) Don’t disassemble, repair and refit this massager without
permission, or a trouble or accident will be caused.
Product scrapping
In order to avoid environmental pollution, when the massage device
and accessories are aging and cannot be used, please do not discard
them at random. Dispose of them. Dispose of the treatment according
to local environmental protection requirements.
Safety Precautions
The warning symbols and illustrations shown in the manual are intended
to enable you to use the product safely and correctly and to prevent injury
to you and others.
Warning signs, legends and their meanings are as follows:
Warning
Symbol Meaning
Danger It indicates that there is a danger of personal casualty or
serious injury in case of improper use of this product.
Warning It indicates that there is a risk of personal casualty or
serious injury in case of improper use of this product.
Attention It indicates that there is a risk of personal injury or product
damage in case of improper use of this product.
Legend Symbols
The symbol" "means prohibition (things not permitted).
The specific contents of such prohibitions are shown behind or near
this symbol with words or illustrations. The symbol on the left means
"Dis-assembly Prohibited".
The symbol" "means compulsive requirements (things that must●
be obeyed). The specific contents of such compulsive requirements
are shown behind or near this symbol with words or illustrations.
The symbol on the left means "general compulsive requirements".
Danger
Never use this apparatus with other electronic medical devices such
as heart pacemaker, artificial heart-lung machine used to sustain life,
EKG machine, etc., or otherwise it will lead to a dangerous situation.
If the patient is being treated with high frequency surgical equipment
and this massager, it is likely to give rise to a burn at the massager’s
electrode or damage this product. If this massager is used near short
-wave or microwave therapeutic equipment (1 meter), it will be
possibly unstable in output.
Warnings
This apparatus cannot be used for pregnant women and those in
menstrual period and people with sensitive skin, heart disease,
abnormal blood pressure, malignant tumor, cerebral vascular
disease, or acute disease, or others under treatment before
consultation with the doctor.
1. Please don’t use this massager near your heart, head, mouth
or private part, skin with a disease.
2. Prohibit using it for patients with perceptual disability.
3. Prohibit using it for patients not sensitive to heat.
4. Don’t use it in high temperature, electromagnetic radiation,
inflammable or damp places.
5. Prohibit using it when bathing, sweating or sleeping.
Please don’t disassemble, repair and refit this massager
without permission, or a trouble or electric shock will be
caused.
Attentions
1. Don’t move this massager during use. To change the massage
area, power it off first before changing, or otherwise a serious
irritation will be caused.
2. Don’t use this massager on children or those without expressing
ability consciousness.
3. In case of any discomfort in using this massager, stop using
immediately and seek a doctor.
Technical Parameters and Specifications
1、Product Specifications
Product：neck massager
Model：KTR-140
Power supply ：5V DC 1A
lithium battery ：3. 7V DC 1500mAh
Input power：5W
Remote control size：37x 82. 5x11. 8mm
Host size ：166x134x42mm
Net weight：175g
2、Normal working conditions：
Ambient temperature：+5℃～+40℃；
Relative humidity：≤8 0%；
Atmospheric pressure：86kPa～106kPa；
3、Electrical performance
Pulse frequency：1Hz-1000Hz；
Pulse Width：20µs~400µs；
Pulse shape：Square wave；
Rated load impedance：500Ω ,±1 0%Tolerance is ±10%；
Heating temperature：+38℃～+48℃（25℃environment）；
Surface magnetic field strength：not less than 0. 01T；
Timing time of massager：5-30 minutes, tolerance ±10%；
4、Transport and storage conditions
Environment temperature：-20℃～+55℃；
Relative humidity： ≤9 3%；
Atmospheric pressure：50 kPa～106 kPa。
This device complies with part 15 of the FCC Rules. Operation is
subject to thefollowing two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that maycause
undesired operation.
Any changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user's authority to operate the
equipment
Warning
NOTE: This equipment has been tested and found to comply with the limits for
a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged
to try to correct the 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.
Problems Inspection Item Solution
Failure to Boot
Is the internal rechargeable
battery of the host low?
If the internal rechargeable
battery is low, please charge it.
Is charging normal?
Check if the USB charging cable
is plugged in. After the correct
connection, the massager
charging indicator will flash.
The massager
displays normally,
but it doesn’t
massage or the
patient feels
nothing.
Check whether the massager
electrodes contact directly
with the patient’s neck skin.
The massager electrodes
must contact directly with the
patient’s neck skin.
Check whether there are some
hairs, clothing or accessories
appear at the contact of
electrodes and skin.
Please remove or move the
article.
Is there any adjustment to
the massage?
After the massage device is
turned on, the default state is
0 gear strength, and it is
necessary to adjust the strength,
or some customers have no
feeling for the 1-2 gear strength,
please increase the intensity.
Patient feels a
sharp pain.
Check whether the massager
electrodes contact closely
with the patient’s neck skin.
Wet the patient’s neck skin with
a wet towel first and then contact
the electrodes closely with skin
and properly adjust the intensity
and treatment mode.
Check whether the massage
lasts too long.
Suitable time for treatment is
15~20 minutes.
Check whether the patient is
massaged in a high intensity.
Properly reduce the intensity.
Check whether the patient’s
skin is sensitive to electrodes.
Check if the patient’s skin had any
allergies in the past; if any slight
allergy, please shorten the
massage time; and if any serious
allergy, please stop using this
apparatus immediately and then
offer desensitization treatment.
Troubleshooting and Solution
Patient feels a
sharp pain.
Check whether the weather is
cold and the patient’s skin is
dry.
Wet the patient’s skin and the
surfaces of electrodes with a
wet towel.
Use after staying up late Please use the next day after
the day and night due to
electrolyte drop.
Check whether there are
some hairs, clothing or
accessories appear at the
contact of electrodes and skin.
Please remove or separate the
jewelry and hair.
The stimulation
is quite weak.
Check whether the massager
electrodes contact closely with
the patient’s neck skin.
Please make the electrodes
contact closely with the patient’s
skin and then properly adjust
the intensity and massage mode.
Check whether the electrodes
become dirty or oily.
Clean the surfaces of electrodes.
Check whether the battery is
in low power.
If the power is low, please use an
external power supply.
Red dot after use
Is there a strong tingling
sensation during use, is it
useful for other ointments?
Please stop using it, usually 3-5
days will disappear on its own.
E05
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