Compex Mini User Manual

VERSION 1.0

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TABLE OF CONTENTS

Introduction....................................................................................................................................................................4

Indications for Use........................................................................................................................................................4

Safety Warning..............................................................................................................................................................4

Contraindications...........................................................................................................................................................5

Warnings..........................................................................................................................................................................5

Precautions.....................................................................................................................................................................6

Adverse Reactions.........................................................................................................................................................8

Symbol and Title............................................................................................................................................................8

Environmental Condition for Transport and Storage.................................................................................................10

How the Device Works................................................................................................................................................14

Setup..............................................................................................................................................................................15

Operating Instruction..................................................................................................................................................16

Performance Specifications......................................................................................................................................20

Electrode Maintenance...............................................................................................................................................20

Trouble Shooting..........................................................................................................................................................21

Recommended Use Positions.....................................................................................................................................22

Contact Information....................................................................................................................................................25

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INTRODUCTION

Compex® Mini delivers electric pulses generated to the user’s skin through the electrodes. The portable
and compact device has 6 modes of different pulse frequencies, covering Electrical Muscle Stimulation
(EMS) and Transcutaneous Electrical Nerve Stimulation (TENS). It includes operating elements of ON/
OFF button, intensity increase, intensity decrease, mode selection button, and can be attached and
detached to the electrode through the connector and lead wire. One end of the lead wire is connected to
the device and the other end of the lead wire is connected to the electrode pad.

INDICATIONS FOR USE

EMS:
To stimulate healthy muscles in order to help improve and facilitate muscle performance. To be used
to help improve muscle tone and firmness, and to aid in strengthening muscles in the arms, abdomen,
legs, and buttocks. Not intended for use in any therapy or for the treatment of any medical conditions
or diseases.

It is also intended to help temporarily increase local blood circulation in the healthy muscles of lower
extremities.

TENS / RELIEF:
To be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist,
back, arm, and leg, due to strain from exercise or normal household and work activities.

It is also intended to aid in symptomatic relief and management of chronic, intractable pain and relief
of pain associated with arthritis.

CONSULT ACCOMPANYING DOCUMENTS

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SAFETY WARNING

CONTRAINDICATIONS

» Do not use this device on persons who have a cardiac pacemaker, implanted defibrillator, or otherim-

planted metallic or electronic devices because this may cause electric shock, burns, electrical
interference, or death.

» Do not use this device on patients whose pain syndromes are undiagnosed.

WARNINGS

» WARN ING: Use carefully. May cause serious burns. Do not use over sensitive skin areas or areas

with poor circulation. The unattended use of this device by children or incapacitated persons may be
dangerous. To reduce the risk of buns, electric shock, and fire, this device must be used in accordance
with the instructions.

» Do not crush the device and its electrodes, and avoid sharp folds.

» Carefully examine the device and its electrodes, and do not use if they show any sign of deterioration.

» Do not tamper with this device and its electrodes in any way. There are no user serviceable parts. If for

any reason they do not function satisfactorily, return to the authorized service center at address given.

» The long-term effects of chronic electrical stimulation are unknown.

» Stimulation should not be applied over the carotid sinus nerves, particularly in persons with a known

sensitivity to the carotid sinus reflex. Carotid sinus is located on both sides of the neck.

» Stimulation should not be applied over the front neck or mouth. Severe spasm of the laryngeal and

pharyngeal muscles may occur and the contractions may be strong enough to close the airway or cause
difficulty in breathing. Stimulation over the neck can also cause adverse effects on heart rhythm or
blood pressure.

» Do not apply stimulation across the patient’s chest contralaterally, because the introduction of electri-

cal current into the chest may cause rhythm disturbances to the patient’s heart, which could be lethal.

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SAFETY WARNING

» Since the effects of stimulation of the brain are unknown, stimulation should not be applied across the

head, and electrodes should not be placed on opposite sides of head.

» Stimulation should not be applied over swollen, infected, or inflamed areas or skin eruptions, e.g.,

phlebitis, thrombophlebitis, varicose veins, etc.

» Stimulation should not be applied over, or in proximity to, cancerous lesions.

PRECAUTIONS

» Caution should be used for persons with suspected or diagnosed heart problems.

» Caution should be used for persons with suspected or diagnosed epilepsy.

» Caution should be used if you have any of the following:

• if you have a tendency to bleed internally following an injury;

• if you recently had surgery, or have ever had surgery on your back;

• if areas of skin lack normal sensations, such as skin that is numb.
» Consult with your physician before use over the menstrual uterus.
» You may experience skin irritation or hypersensitivity due to the electrical stimulation or electrical

conductive medium. The irritation can usually be reduced by using an alternate conductive medium, or
alternate electrode placement.

» Do not use this device while driving, operating machinery, or during any activity in which involuntary

muscle contractions may put the user at undue risk of injury.

» Keep this device out of reach of children.
» Do not use this device in high humidity areas such as a bathroom.
» Stop using this device at once if you feel discomfort, dizziness or nausea, and consult your physician.
» Do not attempt to move the electrodes while the device is operating.

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SAFETY WARNING

» Do not apply stimulation of this device in the following conditions:

• Contralaterally across the chest because the introduction of electrical current into the chest may

cause rhythm disturbances to the heart, which could be lethal;

• over open wounds or rashes, or over swollen, red, infected, or inflamed areas or skin eruptions (e.g.,

phlebitis, thrombophlebitis, varicose veins);

• in the presence of electronic monitoring equipment (e.g., cardiac monitors, ECG alarms);

• on children or incapacitated persons.
» Be aware of the following:

• consult with your physician before using this device;

• this device is not effective for pain associated with Central Pain Syndromes, such as headaches;

• this device is not a substitute for pain medications and other pain management therapies;

• this device is a symptomatic treatment and, as such, suppresses the sensation of pain that would

otherwise serve as a protective mechanism;

• stop using the device if the device does not provide pain relief;

• use this device only with the electrodes, and accessories recommended for use by the manufac-

turer.

» Store the device away from high-temperature and direct-sunlight. Storage outside of stated storage

temperature may result in measurement error or device malfunction.

» Do not share the use of the electrodes with others; electrodes are intended for single person use.
» Do not use the device while it’s charging.
» This device contains a lithium battery. If overheating of the device occurred during the charging, stop

the charging or operation immediately and contact customer support.

» Dispose of this battery-containing device according to the local, state, or federal laws.
» Skin burns may occur, and check the skin under the electrode periodically.

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SAFETY WARNING

ADVERSE REACTIONS

» ➢ You may experience skin irritation and burns beneath the stimulation electrodes applied to the skin;

check skin under electrodes frequently.

» You should stop using the device and should consult with your physicians if you experience adverse

reactions from the device.

SYMBOL AND TITLE

Information essential for proper use shall be indicated by using the corresponding symbols. The following
symbols may be seen on the device and labeling.

Consult instructions for use

Caution, consult accompanying documents

Use by date

Date of manufacture

Batch code

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SAFETY WARNING

Catalogue number

Serial number

Manufacturer

Temperature limitation

Humidity limitation

Non-sterile

MR Unsafe - keep away from magnetic resonance imaging (MRI) equipment

Fragile, handle with care

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SAFETY WARNING

Keep away from rain

Product packaging is able to be recycled

ENVIRONMENTAL CONDITION FOR TRANSPORT AND STORAGE

Normal working ambient humidity: 30~85%

Store and transport ambient temperature: -10 ~50°C

Store and transport ambient humidity: 30~90%

Fragile; handle with care

Keep away from rain

Product packaging is able to be recycled

Non-sterile

ENVIRONMENTAL CONDITION FOR TRANSPORT AND STORAGE

1) This product needs special precautions regarding electromagnetic compatibility (EMC) and needs to

be installed and put into service according to the EMC information provided, and this unit can be affected
by portable and mobile radio frequency (RF) communications equipment.

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Normal working ambient temperature: 10~40°C

SAFETY WARNINGSAFETY WARNING

2) Do not use other devices that emit electromagnetic fields, near the unit. This may result in incorrect

operation of the unit.

3) Caution: This machine should not be used adjacent to or stacked with other equipment and that if

adjacent or stacked use is necessary, this machine should be observed to verify normal operation in the
configuration in which it will be used.

This unit has been thoroughly tested and inspected to assure proper performance and operation.

GUIDANCE AND MANUFACTURER’S DECLARATION – ELECTROMAGNETIC EMISSION

The device is intended for use in the electromagnetic environment specified below. The customer of the user of the device should assure
that it is used in such an environment.

EMISSION TEST COMPLIANCE ELECTROMAGNETIC ENVIRONMENT – GUIDANCE

RF emissions
CISPR 11

RF emission
CISPR 11

Harmonic emissions
IEC 61000-3-2

Voltage fluctuations/
flicker emissions
IEC 61000-3-3

Group 1 The device uses RF energy only for its internal function. Therefore,

Class B The device is suitable for use in all establishments, including

Class A

Complies

its RF emissions are very low and are not likely to cause any
interference in nearby electronic equipment.

domestic establishments and those directly connected to the public
low-voltage power supply network that supplies buildings used for
domestic purposes.

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SAFETY WARNING

GUIDANCE AND MANUFACTURE’S DECLARATION – ELECTROMAGNETIC IMMUNITY

The device is intended for use in the electromagnetic environment specified below. The user should assure that it is used in such
an environment.

IMMUNITY TEST IEC 60601 TEST

Conducted RF
IEC 61000-4-6

Radiated RF
IEC 61000-4-3

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LEVEL

3 V/m
80 MHz to 2.5 GHz

COMPLIANCE
LEVEL

3 Vrms

3 V/m

ELECTROMAGNETIC ENVIRONMENT –
GUIDANCE

Portable and mobile RF communications equipment
should be used no closer to any part of the device,
including cables, than the recommended separation
distance calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance

Where P is the maximum output power rating of the
transmitter in watts (W) according to the transmitter
manufacturer and d is the recommended separation
distance in metres (m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey,a
should be less than the compliance level in each
frequency range.b
Interference may occur in the vicinity of equipment
marked with the following symbol:

SAFETY WARNINGSAFETY WARNING

NOTE 1 At 80 MHz and 8 00 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection

from structures, objects and people.

A) Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios,

amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the
electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field
strength in the location in which the device is used exceeds the applicable RF compliance level above, the device should be observed
to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or
relocating the device.

B) Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m.

Recommended separation distances between portable and mobile RF communications equipment and the device.

The device is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of
the device can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications
equipment (transmitters) and the device as recommended below, according to the maximum output power of the communications equipment.

Rated maximum
output power of
transmitter
(W)

0.01 0.12 0.12 0.23

0.1 0.38 0.38 0.73

1 1.2 1.2 2.3

10 3.8 3.8 7.3

100 12 12 23

Separation distance according to frequency of transmitter
(m)

150 KHz to
80 MHz

80 MHz to
800 MHz

800 MHz to 2.5 GHz

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SAFETY WARNING

For transmitters rated at a maximum output power not listed above, the recommended separation distance d in metres (m) can be estimated
using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W)
according to the transmitter manufacturer.

NOTE 1 At 80 MHz and 800 M Hz, the separation distance for the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures,
objects and people.

HOW THE DEVICE WORKS

The device has 6 programs, the details of which are listed in the table below.

Program Contraction

Program 1:
Pre-Warm Up

Program 2:
Endurance*

Program 3:
Resistance*

Program 4:
Active Recovery

Program
5: Muscle
Relaxation

Program 6:
Relief

* Note: These three programs have 10 min of 1 Hz (Muscle Relaxation) at the end, and that is why the total time is 10 min more than the work time.

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Frequency (Hz)

8 Hz 25 min 3 sec

18 8 3 3 40 50

70 8 9 4 13 23

9 Hz for 2 min, 8 Hz for 2 min, 7 Hz for 2 min, 6 Hz for 3 min, 5 Hz for 3 min, 4 Hz for 3 min, 3 Hz for
3 min, 2 Hz for 3 min, and 1 Hz for 3 min

1 Hz 20 min 3 sec

160 10 0 2 30 30 min

Contraction
Time (sec)

Rest Frequency
(Hz)

Rest Time (sec) Work Time

(min)

Total Time (min)

24 min

SETUP

Remove the 2 devices and accessories from the box. The accessories include electrodes, lead wires and a USB cable. The USB cable should be used

to charge both units.

1. There are two devices included. The device marked “1” on its side is the master device, and the device marked “2” is the affiliation device. The

master device and the affiliation device are paired as received. Therefore, after turning on the devices, you can use them directly out of the box.

Note: If the devices unpair, you can pair the mother device with the affiliation device manually. Use a pin to press the PAIR (RESET) hole on the back
of the devices. Press and release the reset hole of the affiliation device first (beeping twice (0.5s per beeping) and the LED lights keep flashing),
meaning the affiliation device is ready for pairing; then press and release the reset hole of the mother device (beeping and flashing once, 0.5s per
beeping/flashing) to send the pairing signal to the affiliation device. When the pairing is successful, the affiliation device will beep once (0.5s per
beeping) and its LED lights becomes steadily on. Pressing the reset hole for more than 2 seconds could unpair the affiliation device, indicated by the
flashing/beeping twice (0.2s per beeping/flashing).

PIN HOLE

2. Intensity levels +/- can only be increased or decreased via puck 1 (master device).

3. Alternatively, the phone appliacation can automatically pair with the master device and operate it via Bluetooth. Simultaneously, the master device

controls the affiliation device via the radio frequency. If using one device make sure it is the master device which is marked “1” on its side. Note:

Cannot independently use puck #2

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OPERATING INSTRUCTION

The following Operating Instructions are used to guide the operation. The step-by-step details are listed below:

STEP 1 – Check the battery power of the device

The devices comes with rechargeable batteries and can be used as received. If the battery

icon is flashing when turned on, it means the battery is running out of power. Turn off and

charge the device with the enclosed USB cable. The LED light flashes during charging, and

becomes solid when the device is charged fully.

Note: When the battery is full, the 3 yellow LED lights are on; when the battery is running low,

only one yellow LED light is on.

STEP 2 - Install the electrode pad onto the device

Snap the enclosed rectangular electrode pad onto the device through the snap-on connector,

and use the lead wire to connect the device to the two square electrode pads. This should be

done prior to applying the device onto the skin of the treatment area.

STEP 3 - Put the electrode pad-installed device on the stimulation-needed body area

Place the pad-installed device onto the treatment area (such as the bicep). Press down firmly

and ensure a full and firm contact with skin.

Note: The skin should be clean and dry before placing the electrode pad-installed device.

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Battery charging

Electrode pad installation

Place the device on the body area

OPERATING INSTRUCTION

STEP 4 - Press the “ON/ OFF” to turn on the power

Press and release the ON/ OFF button to turn on the device, indicated by the yellow LED

indicators on and beeping once (0.5 second).

STEP 5 - Select one of the stimulation modes

After the device is on, press and release the ON/ OFF button to change the 6 programs: The

flashing/beeping times of LED indicator represent the corresponding programs (0.2s per

beeping). For example, 3 timers of flashing/beeping mean Program 3; 6 timers of flashing/

beeping mean Program 6.

STEP 6 - Adjust the stimulation intensity

Press and release the + or – button to increase or decrease the intensity by one level (up to

299 levels), indicated by the LED flashing once and beeping once (0.2s per beeping); holding

the + or – button for 1 second could increase or decrease the intensity by 10 levels, indicated

by the LED flashing twice and beeping twice (0.2s per beeping). After the above mode, time,

and intensity are set up, the stimulation provided by the device will last until the device until

the program is completed.

STEP 7 - Press the “ON/ OFF” to turn off the power after done

Hold the ON/ OFF button for 1 second to turn off the device, indicated by the three LED

indicators off and beeping twice (0.5s per beeping).

Note: When not in use, store the device and accessory in a cool place, out of direct sunlight.

ON / OFF

Program change

Intensity change

ON / OFF

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OPERATING INSTRUCTION

Recommended Practice:

• Start from the lowest intensity and gradually adjust the intensity to a comfortable level. Duration for
each skin area is based on the preset timer for each program. Frequency is 2 times per day per skin area.
Consult with your physician for longer and more frequent uses.

• Good skin care is important for a comfortable use of device. Be sure the treatment site is clean of
dirt and body lotion.

• Keeping the electrode on its backing in the storage bag after use will extend its lifespan. The
electrode pad is disposable and should be replaced when it loses the adhesiveness. To purchase additional
electrodes, please contact the seller.

Electrodes have a shelf life of 2 years, are intended for single person use, and should be replaced as
necessary. If the electrode no longer contacts well with your skin, it is time to replace it. If needed, you
can use a damp and clean cloth to wipe electrodes between uses.

Electrode In Use Direction

1. Clean skin thoroughly prior to each application of electrodes, which will not contact well if any lotion,
make-up, or dirt is left on the skin.

2. Ensure the device is off before applying the electrode to it.

3. Apply the electrode-installed device firmly to the skin.

Electrode Removal and Storage

1. Turn the device off before removing the electrode from the skin.

2. Grab the edge of the electrode and remove from the skin, replace to its backing.

3. When not in use and/or between each use, store the electrode in the re-sealable bag, out of direct sunlight.

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OPERATING INSTRUCTION

As shown above, the device can be operated independently by pressing its three buttons (ON/OFF
button, intensity increase button, and intensity decrease button). Alternatively, the phone application
interface provides a secondary operation method to wirelessly realize the functions mentioned above. At
any time you can switch to manually operate the device itself by pressing its three buttons to deal with
any safety issues that may arise.

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PERFORMANCE SPECIFICATIONS

Power Source 3.7V Battery
Number of Output Modes 6 preset modes
Timer Range (minutes) 20-50
Dimensions (mm) [L x W x D] 66 x 56 x 18 mm
Waveform Biphasic
Shape Rectangular
Maximum Output Voltage 72V@500Ω
Maximum Output Current 144mA@500Ω
Maximum Pulse Duration 345µSec
Maximum Frequency 184Hz

ELECTRODE MAINTENANCE

The electrodes are disposable. Electrodes have a shelf life of 2 years, are intended for single person
use, and should be replaced as necessary. If the electrode no longer contacts well with your skin, it
is time to replace it. If needed, you can use a damp and clean cloth to wipe electrodes between uses.
Electrodes can be ordered at
www.compex.com

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TROUBLE SHOOTING

If your device is not operating properly, please check below for common problems and suggested
solutions. If the recommended action does not solve the problem, please contact the seller.

Stimulation is weak or non-existent

• Be sure skin is clean and pads are firmly attached to skin.

• The battery is low and needs to be charged.

Device does not turn on

• Check if battery is low and needs to be charged.

Electrodes are not sticky

• The pads will lose adhesiveness over use. Visit www.compex.com for replacements.

Skin turns red

• Stop use.

• If problem persists, contact your physician.

Wireless control not connected

• Restart the device and wireless controller to re-connect automatically.

• Switch to operate the device manually.

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RECOMMENDED USE POSITIONS

SHOULDERS ARMS

BACK LEGS

BUTTOCKS FEET

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ABDOMEN

Never apply electrodes
on the throat or both
sides of the neck, where
the carotid sinus nerves
are located.

WARRANTY

This device carries a limited warranty of one year from the date of delivery. The warranty applies to the
device only, the accessories are not covered by this warranty.

During the warranty period, defective items will be repaired or replaced at no charge. Any evidence of
misuse, abuse, alterations, or externally caused damage the warranty is invalid.

For more information, please contact Compex®.

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FCC STATEMENT

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause
undesired operation.

The subject device 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.

The product generates, uses, and can radiate radio frequency energy and, if not installed and used
accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that the interference will not occur in a particular installation. If the
product does cause harmful interference to radio or television reception, which can be determined by
turning the product on or off, the user is encouraged to try to correct the interference by one or more
of the following measures:

a) Reorient or relocate the receiving antenna;
b) Increase the separation between the product and the receiver;
c) Consult the dealer or an experienced radio / TV technician for help.
d) Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

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FCC STATEMENT

Changes or modifications to this product not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.

INDIVIDUAL RESULTS MAY VARY. Neither DJO Global, Inc. nor any of its subsidiaries dispense medical advice.

The contents of this document do not constitute medical, legal, or any other type of professional advice. Rather,
please consult your healthcare professional for information on the courses of treatment, if any, which may be
appropriate for you.

CONTACT INFORMATION

Distributed by DJO

877.266.7398
DJO, LLC
1430 Decision Street • Vista, CA 92081
Manufactured by JKH
www.compex.com

®

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