iReliev Plus Pain Relief & Recovery ET-8080 User manual

iRenew™Plus Pain Relief & Recovery
TENS + EMS System
Instruction ManualModel # ET-8080
Instruction Manual

INDICATIONS
Read this instruction manual before operation. Be sure to comply with all “CAUTIONS” and “WARNINGS” in this manual.
Failure to follow and implement according to the use and operating instructions can cause harm to the user or device.
The device is intended for over-the-counter use however if you have medical questions we strongly encourage you
to consult with your physician regarding indications for use of this device.
What is TENS?
TENS stands for transcutaneous electrical nerve stimulation. This TENS unit is intended to deliver electrical current to
electrode pads applied to your skin to relieve pain associated with sore or aching muscles.
What is EMS?
EMS, stands for electrical muscle stimulation. This electric muscle stimulator, is used to stimulate healthy muscles in
order to improve muscle strength and performance.
Indications for Use
The iRenew™ Plus is a muscle stimulator for active treatment as per the following intended use:
• For temporary relief of pain associated with sore and aching muscles in the lower back due to
strain from exercise or normal household and work activities. (Choose TENS Modes P1 through P7)
• For temporary relief of pain associated with sore and aching muscles in the upper and lower
extremities (arm and/or leg) due to strain from exercise or normal household and work activities.
(Choose TENS Modes P1 through P7)
• For symptomatic relief and management of chronic, intractable pain and relief of pain associated
with arthritis. (Choose TENS Mode P8)
• For use by healthy adults for the stimulation of healthy muscles in order to improve or facilitate
performance. (Choose EMS Modes P1 through P6)
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TABLE OF CONTENTS
INDICATIONS......................................................................................................................................................................................... 2
CONTRAINDICATIONS, WARNINGS, AND PRECAUTIONS……………………..................................................................................... 4-7
WHAT’S INCLUDED..………………………....……………………………................................................................................................................... 8
DEVICE FEATURES...………………………....…………………………….................................................................................................................. 9
ABOUT RECHARGEABLE BATTERY……………………………………….......................................................................................................... 10
CHARGING THE BATTERY.................................................................................................................................................................. 10-11
STEP BY STEP OPERATION GUIDE FOR TREATMENT……..…………………....................................................................................... 12
• Preparing the Skin....................................................................................................................................................................... 12
• Connecting the Lead Wires to Channel 1 and to Channel 2............................................................................................... 12
• Connecting Electrode Pads to Lead Wire(s).………………………................................................................................................. 12
• Removing Electrode Pads From Plastic Film………................................................................................................................ 12
• Place Electrode Pads on Skin…………………………………………………………………................................................................................ 13
• Turning On & Off the Device……………………………………................................................................................................................ 13
• Select EMS or TENS....….…………………………………………………........................................................................................................ 13
• Select Therapy Program............................................................................................................................................................ 14
• Select Treatment Minutes.…………………………............................................................................................................................. 14
• Adjust Intensity....….…………………......................…………………......................................................................................................... 14
SPECIAL FEATURES………………………………………………….......................................................................................................................... 15
PAD PLACEMENTS............................................................................................................................................................................... 16-17
TENS PROGRAMS…………………………………………………............................................................................................................................. 18
EMS PROGRAMS…………………………………………………............................................................................................................................... 19
CARE AND MAINTENANCE…………………............................................................................................................................................. 20
TROUBLESHOOTING.………..………………………........................................................................................................................................ 21
TECHNICAL SPECIFICATIONS……………………………………………………..................................................................................................... 22-24
INFORMATION ABOUT ELECTROMAGNETIC COMPATIBILITY……….......................................................................................... 25-28
FCC INFORMATION………………………………………………………………............................................................................................................. 29
WARRANTY………………………………........................................................................................................................................................... 30
REGISTER YOUR DEVICE…………………................................................................................................................................................. 32
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EMS CONTRAINDICATIONS
Powered muscle stimulators should not be used on people with cardiac demand pacemakers.
WARNINGS
• The long-term effects of chronic electrical stimulation are unknown.
• Stimulation should not be applied over the carotid sinus nerves, particularly in people with a known sensitivity to the
carotid sinus refl ex.
• Stimulation should not be applied over the 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 diffi culty in breathing.
• Stimulation should not be applied transthoracically in that the introduction of electrical current into the heart may cause
cardiac arrhythmias.
• Stimulation should not be applied transcerebrally.
• Stimulation should not be applied over swollen, infected, or infl amed areas or skin eruptions, e.g., phlebitis,
thrombophlebitis, varicose veins, etc.
• Stimulation should not be applied over, or in proximity to, cancerous lesions.
PRECAUTIONS
• Safety of powered muscle stimulators for use during pregnancy has not been established.
• Caution should be used for people with suspected or diagnosed heart problems.
• Caution should be used for people with suspected or diagnosed epilepsy.
• Caution should be used in the presence of the following:
• When there is a tendency to hemorrhage following acute trauma or fracture.
• Following recent surgical procedures when muscle contraction may disrupt the healing process.
• Over the menstruating or pregnant uterus.
• Over areas of the skin which lack normal sensation.
• Some people may experience skin irritation or hypersensitivity due to electrical stimulation or electrical conductive
medium. The irritation can usually be reduced by using an alternate conductive medium, or alternate pad placement.
• Electrode placement and stimulation settings should be based on the guidance of the prescribing practitioner.
• Powered muscle stimulators should be kept out of the reach of children.

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• Powered muscle stimulators should only be used with the leads and electrodes provided for use by the manufacturer.
• Do not apply stimulation while driving, operating machinery, or during any activity in which electrical stimulation can put
you at risk of injury.
• Muscle contractions may put the user at undue risk of injury which may include use while driving, operating
machinery, or during any activity in which involuntary muscle contractions may put the user at undue risk of injury.
ADVERSE REACTIONS
Skin irritation and burns beneath the electrodes have been reported with the use of powered muscle stimulators.
TENS CONTRAINDICATIONS
• TENS should not be used if you have a cardiac pacemaker, implanted defi brillator, or other implanted metallic electronic
device. Such use could cause electric shock, burns, electrical interference, or death.
WARNINGS
• If you are in the care of a physician consult with your physician before using this device.
• If you have had medical or physical treatment for your pain, consult with your physician before using this device.
• If your pain does not improve, becomes more than mild, or continues for more than fi ve days, stop using the device and
consult with your physician.
• Do not apply stimulation over your neck because this could cause severe muscle spasms resulting in closure of your
airway, diffi culty in breathing, or adverse effects on heart rhythm or blood pressure.
• Do not apply stimulation across your chest because the introduction of electrical current into the chest may cause rhythm
disturbances to your heart, which could be lethal.
• Do not apply stimulation over open wounds or rashes, or over swollen, red, infected, or infl amed areas or skin eruptions
(e.g. phlebitis, thrombophlebitis, varicose veins).
• Do not apply stimulation over, or in proximity to, cancerous lesions.
• Do not apply stimulation in the presence of electronic monitoring equipment (e.g., cardiac monitors, ECG alarms), which
may not operate properly when the electrical stimulation device is in use.
• Do not apply stimulation when in the bath or shower.

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• Do not apply stimulation while sleeping.
• Do not apply stimulation while driving, operating machinery, or during any activity in which electrical stimulation can put
you at risk of injury.
• Do not use the device on children, if it has not been evaluated for pediatric use.
We also recommend the following:
• Consult with your physician before using this device, because the device may cause lethal rhythm disturbances to the
heart in susceptible individuals.
• Apply stimulation only to normal, intact, clean, healthy skin.
PRECAUTIONS
• TENS is not effective for pain of central origin, including headache.
• TENS is not a substitute for pain medications and other pain management therapies.
• TENS devices have no curative value.
• TENS is a symptomatic treatment and, as such, suppresses the sensation of pain that would otherwise serve as a
protective mechanism.
• Effectiveness is highly dependent upon the individual using. Results may vary.
• The long-term effects of electrical stimulation are unknown.
• Since the effects of stimulation of the brain are unknown, stimulation should not be applied across your head, and
electrodes should not be placed on opposite sides of your head.
• The safety of electrical stimulation during pregnancy has not been established.
• You may experience skin irritation or hypersensitivity due to the electrical stimulation or electrical conductive medium
(gel).
• If you have suspected or diagnosed heart disease, you should follow precautions recommended by your physician.
• If you have suspected or diagnosed epilepsy, you should follow precautions recommended by your physician.

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We also recommend the following:
• Use caution if you have a tendency to bleed internally, such as following an injury or fracture. Consult with your physician
prior to using the device after a recent surgical procedure, because stimulation may disrupt the healing process.
• Use caution if stimulation is applied over the menstruating or pregnant uterus.
• Use caution if stimulation is applied over areas of skin that lack normal sensation.
• Keep this device out of the reach of children.
• Use this device only with the leads, electrodes, and accessories recommended by the manufacturer to avoid adverse
reactions.
• Electrode pads are intended for single person use only.
Please be aware of adverse reactions and precautions below:
• You may experience skin irritation and burns beneath the stimulation electrodes applied to your skin.
• You may experience headaches and other painful sensations during or following the application of electric stimulation
near your eyes and to your head and face.
• You should stop using the device and should consult with your physician if you experience adverse reactions from the
device.

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WHAT’S INCLUDED
Package Content
1. iRenew™ Plus TENS + EMS Device (1)
2. Belt Clip & Holster (1)
3. 3.5” x 5” XL Electrode Pads (2)
4. 2” x 2” Electrode Pads (4)
5. AC Adapter and USB Charging Wire (23.5”)
6. Lead Wires (2)
7. Tote Bag (1)
1. 2. 3. 4.
6. 7.
5.

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DEVICE FEATURES DESCRIPTION
Indicators and Buttons:
1. LED backlight will display for 10 seconds upon turning on.
2. When charging, the device will shut off automatically.
3. If symbol is displayed, battery power is low.
1 Power ON/Increase Key
2 Power OFF/Decrease Key
3 Mode (Setting Select/Set)
4 Therapy Program
5 Therapy Mode (TENS or EMS)
6Battery Status/ Lock Function Indicator
7 Channel Indicator
8 Treatment Minutes
9 Intensity Level
10 CH1 (Channel 1) Key
11 CH2 (Channel 2) Key
12 Therapy Program Function
2. When charging, the device will shut off automatically.
3. If symbol is displayed, battery power is low.

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ABOUT RECHARGEABLE BATTERIES
Please fully charge the batteries in the device. To prevent the risk of electric shock, make sure power cord is unplugged
from wall socket. To fully disengage the power to the unit, please disconnect the power cord from the AC outlet. Do not
remove cover (or back). The AC outlet shall be readily available and accessible.
Note: The unit has a built-in rechargeable battery that cannot be exchanged by the user.
Using the AC Adapter to Recharge Device
1. Connect the small end of the USB cable to the
device and large end to the AC adaptor.
2. Plug the adapter into any standard wall outlet.
When charging, the battery symbol will fl ash until fully charged; When fully charged, the battery symbol
will be displayed and will not be fl ashing.
Note: You may not use the device while it’s charging. When charging, the device will turn off automatically.
When charging, the battery symbol will fl ash until fully charged; When fully charged, the battery symbol

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Device Charging
1. When battery is charging, the
symbol will show on LCD screen.
2. The battery symbol will not
change as the voltage increases;
it only serves as an indication.
3. Battery symbol will be
fl ashing, 1 fl ash/sec.
Device Done Charging
1. When the device is done
charging, the full battery
symbol will show on the
LCD screen and will not be
fl ashing.
3. Battery symbol will be
Low Battery Status Indicator on Display
The low battery status indicator will be visible whenever the battery is low. This indicates that you
will soon have to recharge the battery.
The need to recharge the device is dependent on Treatment Minutes, Therapy Program, Intensity
Level, and use of single or dual channels while receiving treatment.
Note: When voltage is lower or equal to 3.3v the symbol will show on the LCD screen.
When voltage is lower or equal to 3.3v the symbol will show on the LCD screen.

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CH1 CH2
STEP BY STEP OPERATION GUIDE FOR TREATMENT
STEP 1 - Preparing Your Skin Before Using
Following the steps below can help prepare the skin for optimal electrical dispersion and increased stimulation
sensitivity:
1. Determine the electrode pad placement sites for the electrode pad(s).
2. Wash the area with mild soap and water (do not use alcohol). Rinse and dry thoroughly.
3. Trim excess body hair from the area with scissors (do not shave).
4. If desired, apply iReliev® Conductive Gel or Conductive Ion Spray to help increase
conductivity. This may also reduce the chance of skin irritation and may extend the life of the electrode pads.
5. When removing electrode pads, always remove by pulling in the direction of hair growth.
6. It may be helpful to apply iReliev® Conductive Gel or lotion on electrode pad placement area when system is not
in use to help increase moisture of skin.
STEP 2 - Connect Lead Wire(s) to Channel 1 (CH1) and to Channel 2 (CH2)
Insert one lead wire into each desired channel.
Note: Fully insert lead wire(s) into respective channel socket(s). This will ensure the safety
feature intensity level reset is not activated.
Note: The device will auto-reset by default to “0” Intensity Level on the respective channel if
the lead wire is not fully inserted.
STEP 3 - Connect Electrode Pads to Lead Wire(s)
Connect lead wire pins to 2 small or 1 large electrode pad per channel, before applying to the skin. System requires that
there is a minimum of 2 small electrode pads or 1 large electrode pad per lead wire.
Note: The device will auto-reset by default to “0” Intensity Level on the respective channel if the lead wire is not fully
inserted into the device and/or electrode pad and placed on your skin.

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STEP 4 - Remove Electrode Pads from Plastic Film
To extend the life of the electrode pad(s), place the pad(s) back onto the plastic fi lm after use.
Note: The electrode pad(s) are disposable and use an adhesive gel that will dry out and
deteriorate after prolonged use and/or storage. The pad(s) can be used approximately 20-30 times
based on 30-minute intervals. The electrode pad(s) should be replaced when they lose their
adhesiveness and/or when you sense a change in the stimulation “tingling sensation”.
STEP 5 - Place Electrode Pads on Skin
Electrode pad placement location recommendations can be found on pages 16-17.
STEP 6 - Turning On & Off the Device
To Power On: Press and hold the “ON/+” button for 3 seconds.
To Power Off: Press and hold the “OFF/-” button for 3 seconds.
Note: If any of the treatment settings are fl ashing, the device will not turn off. To prevent unpleasant
electric shocks, never remove the electrode pad while the device is still turned on. In case of
an emergency, you may unplug the respective lead wire directly from the device.
Note: The last program you used will be stored and appear on the display when you turn on
the device.
STEP 7 - Select TENS or EMS
Press the “MODE” button (center button) and the Therapy Mode in the upper right corner of
LCD screen will begin fl ashing. To select TENS or EMS, press the “ON/+” button for TENS or
the “OFF/-” button for EMS, then press “MODE”.

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STEP 8 - Select Therapy Program (TENS P1-P8 or EMS P1-P6)
The Therapy Program will now be fl ashing. Press the “ON/+” (to increase) or the “OFF/-” (to decrease) button
until desired program is fl ashing, then press “MODE”.
The device offers 6 EMS and 8 preset TENS programs; the programs differ with respect to varying pulse
widths and frequencies. The program you choose determines the impulse output type. Choose the
program that is appropriate to your needs as shown on pages 18-19 or is most comfortable to you.
STEP 9 - Select Treatment Minutes
The Treatment Minutes will now be fl ashing. Press the “ON/+” (to increase) or the “OFF/-” (to decrease)
button until desired Treatment Minute is fl ashing, then press “MODE”.
Note: The device offers 12 preset times: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55 and 60 minutes.
Note: Time will countdown on the display in 1-minute increments for the duration of your session.
STEP 10 - Adjust Intensity
Intensity is adjustable according to the channel selected. To adjust intensity: Select the channel by
pressing CH1 or CH2. Press and release the “ON/+” button to increase or the “OFF/-” button to decrease
until the desired intensity level fl ashes on the display. then press "MODE".
Note: You will feel the intensity increase or decrease as you select the intensity level. You can
use this as a guide to select a level that is comfortable for you.
Note: Always start with the lowest intensity gradually increasing until you feel a “tingling”
sensation. Never increase the intensity to a level that causes additional pain. Stay under the
point of discomfort. Start with short sessions of 5-10 minutes until you are comfortable with
the stimulation.

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SPECIAL FEATURES
Locking Function
Press and hold “ON/+” and “OFF/-” buttons simultaneously for 3 seconds to lock/unlock the device. The
key symbol ( ) will appear. The locking function prevents accidental setting changes. This feature is
particularly helpful when placing the device inside your pocket, purse, or wearing on your belt clip.
To unlock press “ON/+” and “OFF/-” buttons again.
Intensity Level Reset
For your safety, the intensity level will default to “0” and will not increase past “1” if the device is not set
up properly. Please follow the necessary steps 1-10. Be sure to have quality electrode pads fi rmly affi xed
according to placement guide on the following pages.
Intensity level reset will occur in the following instances:
• After the therapy session has elapsed.
• If electrode pads are not affi xed fi rmly or setup procedure is not followed.
• If therapy mode or therapy program has been changed.
System Defaults & Features
Automatic shut off: The device turns off automatically when the treatment time has elapsed or when no
button is pressed for 60 seconds.
Memory: The most recently set therapy time is stored. If you change the program mode during your therapy, the previous
Treatment Minutes won’t restart, unless you reset it. The last therapy program you used will appear on the display, when
you turn on the device.
Press mode to save your selection. The program selected will appear on the display the next time you turn on the device.
( )

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Small Pad Placement Suggestions
Ankle Calves Elbow Feet
Knees Lower Back Quads Shoulder
Upper Arm Upper Back Wrist

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Large Pad Placement Suggestions
Abs Calves Knees Lower Back
Shoulder Upper Arm Upper Back

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For TENS programs:
When using any of the 8 programs for pain relief, always start with the lowest intensity and gradually increase the level
of intensity until you feel a “tingling” sensation. All programs are different and therefore have a different sensation. You
may try all 8 programs in the beginning and choose one that feels pleasant. Never increase the intensity to a level so
that it hurts; always stay under the point of discomfort. Start with short sessions of 5 to 10 minutes until your body
gets used to the stimulation.
Program/Mode Benefi ts You should feel
P1 For temporary relief of pain as-
sociated with sore and/or aching
muscles in the lower back due
to strain from exercise or normal
household and/or work activities.
For temporary relief of pain as-
sociated with sore and/or aching
muscles in the upper and lower
extremities (arm and/or leg) due
to strain from exercise or normal
household and work activities.
Continuous comfortable tingling. The underlying pain should decrease gradu-
ally after treatment.
P2 Comfortable pulsing sensation. The underlying pain should
decrease.
P3 Comfortable pulsing sensation. The underlying pain should
decrease.
P4 Variable comfortable tingling and pulsing sensation (sensation should
appear to come in waves). Pain should ease and there should be relief after
treatment.
P5 Variable comfortable mild tingling sensation (sensation will
appear to come in waves).
P6 Variable comfortable pulsing and pumping action (action will appear to come
in waves).
P7 Variable comfortable tingling and pumping action (action should appear to
come in waves).
P8 For symptomatic relief and man-
agement of chronic, intractable
pain and relief of pain associated
with arthritis.
Variable comfortable tingling and pulsing sensation (sensation should
appear to come in waves). Pain should ease and there should be relief after
treatment.

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Program/Mode You Should Feel & Benefi ts Suggestion
P1
Exercise Prep
This gently warms up the muscles prior to exercise; it feels
like a rhythmic massage.
Increase intensity until you get a strong but comfort-
able muscle movement; 10 min/duration.
P2
Muscle
Recovery
P2 produces muscle twitches at a very low frequency
and it feels like a tapping massage; for muscle recovery
from fatigue and becoming more relaxed with reduced
stiffness.
Use it after intense exercise to promote recovery and
relaxation; 30 min/duration.
P3
Active
Recovery
P3 is similar to P2, except that the muscle twitch rate
slows down during the session. It feels like a tapping mas-
sage, but softer than P2.
Use it after intense exercise to promote recovery and
relaxation; 20 min/duration.
P4
Active
Recovery
P4 activates the muscle in a short contraction/relaxation
cycle. It feels like a kneading massage,
smoother than P2/P3.
Use it after intense exercise to promote recovery and
relaxation; 20 min/duration.
P5
Build
Endurance
P5 uses a low frequency pulse train which may favor slow
twitch fi bers, for developing aerobic capacity and capillary
supply. It improves fatigue resistance during long duration
and moderate intensity exercise.
The exercise comprises of an alternating sequence
of work and rest phases lasting several seconds.
Increase the intensity until you get a strong and deep
muscle contraction. Do not exceed your comfort level;
20min/duration.
P6
Muscle
Strengthening
P6 uses a pulse frequency appropriate for fast twitch
muscle fi bers. It may help improve anaerobic capacity and
may help improve muscle strength.
The exercise comprises of a sequence of work phases
separated by longer relaxation phases. Increase the
stimulation intensity until you get a strong and deep
contraction. Do not exceed your comfort level;
20 min/duration.
For EMS programs:
For muscle stimulation (EMS) any of the 6 programs may be used. The intent is to cause a muscle contraction, and
then release. All 6 programs will achieve contraction and vary by rate and duration of the contractions. Start out slowly
with low intensity levels for a warm-up (5-10 min). Increase intensity level and treatment time as you progress. Use the
device regularly or for longer sessions to achieve benefi ts similar to passive “exercise”.

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CARE & MAINTENANCE
Device & Lead Wires
• To clean exterior of system, please lightly wipe with a clean, wet cloth. Do not submerge the stimulator in liquid or
expose it to large amounts of water.
• The system should be cleaned each time after use, and kept safe away in a drawer.
• Never use aggressive cleaning products or stiff brushes to clean the device.
• Do not use the device until it is completely dry.
• Do not expose the device to direct sunlight and protect it from dirt and moisture.
• Store the system in a clean, dry place.
• Do not dispose of the device(s) in a fi re. The batteries could explode, causing injury or death.
Electrode Pads
The electrode pads are disposable and use an adhesive that will dry after prolonged usage or storage. Electrode pads
should be replaced when they lose their adhesive quality or when you sense a change in stimulation sensation.
Note: Electrode pads are for single person use only.
If you have questions about the integrity of the electrode pads or if you want to order new electrode pads, please order
online at www.iReliev.com or call us at 855-723-2582.
How to Store Your System
• Store your system at room temperature in a dry place, out of the reach of children.
• Please store in a low humidity, low temperature environment.