AUVON Dual Channel TENS Massager

User Manual & Quick Guide

Quick Guide

Attention

The purpose of this Quick Guide is to help you understand the operation of the TENS unit much more quickly, and the contents of the quick guide are not a substitute for the user manual. Please read the user manual carefully before use to understand the contraindications and warnings. Please consult your doctor before use if you're not sure whether you can use this device.

Operation

Clean the application areas.

Diagram shows a person's upper body. On the left, lines indicate cleaning the neck/shoulder area with a spray and cloth. On the right, a person is shown with arms crossed, indicating a clean, dry application area.
Connect the lead wire to a pair of pads and the device. Note: Keep the unit off.

Diagram shows connecting lead wires to electrode pads, and then connecting the other ends of the wires to the AUVON device. The device is shown with the power off.
Attach the pads.

Diagram shows electrode pads being applied to the skin on the shoulder and leg areas.
Turn on the device.

Diagram shows a close-up of the top of the AUVON device with a slider switch being moved to the 'on' position.
Choose the connected channel.

Diagram shows the AUVON device screen. It indicates that pressing the left 'V' or '^' buttons selects Channel A, causing 'A' to flash, or pressing the right 'V' or '^' buttons selects Channel B, causing 'B' to flash.
Choose mode.

Diagram shows the AUVON device screen. It illustrates pressing the 'M' button to select a master mode and '<' or '>' buttons to select a sub-mode. The screen displays TENS, PMS, and MASSAGE categories with numbered modes.
Adjust intensity.

Diagram shows the AUVON device screen with intensity adjustment controls. It indicates pressing the left 'V' or '^' for Channel A intensity and the right 'V' or '^' for Channel B intensity.
Set time.

Diagram shows the AUVON device screen displaying the timer function, indicating a range from 00 MIN to 90 MIN, adjustable in 10-minute intervals by pressing the 'T' button.
Long press to lock/unlock the screen.

Diagram shows the AUVON device screen with a finger pressing and holding the center 'M' button, indicating the lock/unlock function.
Turn off the device after massage.

Diagram shows the AUVON device with the slider switch being moved to the 'off' position.
Remove the pads, do not pull the wire.

Diagram on the left shows a hand peeling an electrode pad off the skin with a green checkmark. The diagram on the right shows a hand pulling a lead wire attached to a pad with a red cross mark, indicating incorrect removal.

Pad Placement Guide

Notes:

Do not overlap the pads.
Do not place the pads on the artery.
Only place the pads on the same side of the arm/leg.

If you want to know more details about the mode, please read the user manual, and if you encounter any problem during the use, please check the user manual for “Trouble Shooting”.

Diagrams illustrate pad placement on various body parts: Neck (back of neck), Shoulder (upper back), Back (sides of upper back), Waist (sides of lower back), Deltoid (front and back of shoulder muscle), Arm (both sides of arm), Elbow (upper and lower side of elbow), Wrist (upper and lower side of wrist), Hip (above and below hip, not on back), Leg (both sides of leg), Knee (above/below knee), Calf (both sides of calf), Ankle/Foot (left/outside and right/inside of ankle/foot).

User Manual

Dual Channel TENS Massager

Relaxation, Anywhere, Anytime

Model AS8012C

Device Name: TENS and Powered Muscle Stimulator

Explanation of Pain
Explanation of TENS
Standard Package
Features
Product Illustrations
Operating Instructions
1. How to Use
2. After Use
Recommend Massage Points
Mode Instruction
1. Intensity Recommendation
2. Time Recommendation
3. Expected Feelings
4. Mode Specification
TENS Pads Holder
1. Features
2. Instruction
Safety Precautions and Warnings
1. Pain Management Warnings
2. Prohibited Conditions
3. Prohibited Individuals
4. Prohibited Body Areas
5. Prohibited Activities
6. Pads Precautions
Trouble Shooting
Symbols
Certification
Customer Service

1. Explanation of Pain

Pain is a warning system, a way for the body to tell us that something is wrong. Pain is important, without it, abnormal conditions may go undetected, causing damage or injury to vital parts of our bodies. Even though pain is a necessary warning signal of trauma or malfunction in the body, nature may have gone too far in its design. Aside from its value in diagnosis, long-lasting persistent pain serves no useful purpose. Pain does not begin until coded message travels to the brain where it is decoded, analyzed, and then reacted to. The pain message travels from the injured area along the small nerves leading to the spinal cord. Here the message is switched to different nerves that travel up the spinal cord to the brain. The pain message is then interpreted, referred back and the pain is felt.

2. Explanation of TENS

Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive, drug-free method of pain control. TENS sends tiny electrical impulses through the skin to nerves to modify your pain perception. TENS does not cure any physiological problems, and it only helps control pain. TENS does not work for everyone, however, for most patients, it is effective in reducing or eliminating pain, allowing them to return to normal activities.

3. Standard Package

AUVON® Dual Channel TENS Massager
Pin Pads
Pads Holder
Pouch
Set of Lead Wires (1/2 Wire)
USB Cable
User Manual

4. Features

Mechanism	Technical Description
Dual-channel	Isolated channel with independent mode and intensity
Pulse Amplitude	0-150 mA at 500 ohm load each channel.
Wave Form	Symmetrical Bi-Phasic Square
Pulse Voltage	0- 50V (Load: 500 ohm)
Power source	180mA lithium battery
Size	10.24cm(L)x5.54cm(W)x1.14cm(H)
Weight	74.9 grams.
Pulse Rate	From 2-100 Hz
Pulse Width	From 100-240µs microseconds
Modes	P1-8: TENS; P9-16: PMS; P17-24: MASSAGE. 2 outputs with 24 modes
Intensity	20 levels of intensity
Timer	20-minute default timer. Adjustable between 10-90 minutes. Increases/decreases in 10-minute intervals. Set the timer by pressing the "T" button and the unit will turn off when the time is up.
Low Battery Indicator	A low battery indicator will show up on the LCD when the battery is low. [battery icon]
Operating Condition	Atmosphere Pressure : 700Hpa~1060Hpa.
Remark	There may be a +/-5% tolerance of all parameters and +/-20% tolerance of amplitude & voltage.

5. Product Illustrations

The device interface and components are illustrated and numbered:

1. On/Off switch: A slider switch labeled 'on' and 'off'.
2. USB port: Port for charging the device.
3. Time: Displays the remaining treatment time.
4. Battery indicator: Shows the current battery level. [battery icon]
5. Adjustable Intensity (A Channel): Controls for adjusting intensity for Channel A.
6. Adjustable Intensity (B Channel): Controls for adjusting intensity for Channel B.
7. Lock: Indicates the screen lock status. [lock icon]
8. Intensity Increase/ Channel A: Button to increase intensity for Channel A.
9. Intensity Decrease/ Channel A: Button to decrease intensity for Channel A.
10. Time Selection: Button to adjust the treatment time.
11. Mode Selection: Button to select different treatment modes.
12. Sub-mode selection (" < " and " > "): Buttons to navigate through sub-modes within a master mode.
13. Intensity Increase/ Channel B: Button to increase intensity for Channel B.
14. Intensity Decrease/ Channel B: Button to decrease intensity for Channel B.
15. Two Outputs Connector: Ports for connecting lead wires to electrode pads.

The main screen illustration shows the device's display with mode categories (TENS, PMS, MASSAGE), numbered sub-modes, intensity bars, battery indicator, and lock icon. Control buttons (M, T, <, >) and channel indicators (A, B) are also visible.

6. Operating Instructions

6.1 How to Use

Clean your skin before use. Use the pads on clean and flat areas, no sweat and no oil.

Diagram shows a person's upper body, illustrating cleaning the neck/shoulder area.
Connect a pair of electrode pads to one lead wire; connect the other end of the wire to the left output of the device. Similarly, the other pair of electrode pads should be connected to the remaining wire end and the right output of the device. Note: Keep the unit off.

Diagram shows the AUVON device with lead wires connected to two pairs of electrode pads, and the wires then connected to the device's output ports (left and right).
Attach one pair or two pairs of the electrode pads to the massager area, such as shoulder and leg.

Diagram shows electrode pads being attached to the shoulder and leg areas of a person, with lead wires connected.

Note: Adding a few drops of water on the pads and drying the pads naturally will increase their longevity. Make sure both pads on the skin are not overlapping.
Turn on the device by sliding the on/off switch on the top of the unit.

Diagram shows a close-up of the device's top switch being moved to the 'on' position.
Press the left "V" or "^" to choose Channel A, then "A" starts to flash. (Or Press the right "V" or "^" to choose Channel B, then "B" starts to flash.)

Diagram shows the device screen with channel selection highlighted. It indicates how to select Channel A or Channel B using the directional buttons.
Press the "M" button to choose 6 master modes, and press the "<" and ">>" button to choose sub-modes. If "A" is flashing, it means the mode of channel A is selected. (If "B" is flashing, it means the mode of channel B is selected).

Diagram shows the device screen illustrating mode selection. It shows the TENS, PMS, and MASSAGE categories with numbered sub-modes and how to navigate them using the M, <, and > buttons.
Press the left "V" or "^" to increase or decrease the intensity of channel A. Press the right "V" or "^" to increase or decrease the intensity of channel B. Note: The initial intensity of the selected mode will default to the lowest setting.

Diagram shows the device screen with intensity adjustment controls for Channel A and Channel B, using the V and ^ buttons.
The recommended usage time is 10-90 minutes. Press "T" on the device can increase the usage time for each selected mode (10 minutes interval). The device will automatically turn off when time is reached.

Diagram shows the device screen displaying the timer setting, indicating a range from 00 MIN to 90 MIN.
Press and hold the middle button for 3 seconds to lock the screen, 3 seconds again to unlock the screen.

Diagram shows the device screen with a finger pressing and holding the center button, indicating the lock/unlock function. A lock icon is visible on the screen.

6.2 After Use

Turn off the device by sliding the on/off switch on the top of the unit.
Remove lead wire pin from electrode connector by gently twisting and pulling it out.
Lift a corner of the electrode pad and slowly peel it away. Avoid touching the gel as much as possible. DO NOT peel the electrode off by the wire.
Place the electrodes back into the storage bag and reseal tightly to prevent dry-out. Store at room or cool temperature and keep out of direct sunlight.

7. Recommend Massage Points

Neck
Modes: 6
Attach the pads on the back of the neck. (Do not place the pads on the left or right side of the neck.)

Diagram shows pad placement on the back of the neck.

Shoulder
Modes: 1-4,6-18,20,22
Attach the pad as shown on the left. (Do not place the pad on the spine.)

Diagram shows pad placement on the upper back/shoulder area.

Back
Modes: 1-4, 17
Attach the two pads on the sides of the back, do not attach it on the spine or backbone.

Diagram shows pad placement on the sides of the upper back.

Waist
Modes: 1-11,19,13-16
Attach the two pads on the sides of the lower back, do not attach it on the spine or backbone.

Diagram shows pad placement on the sides of the lower back.

Deltoid
Modes: 2,3,4,9,14,19,22
Attach one pad in front and one behind the muscle.

Diagram shows pad placement on the front and back of the shoulder muscle.

Arm
Modes: 1-24
Attach the pads on both sides of the same arm.

Diagram shows pad placement on both sides of an arm.

Elbow
Modes: 8,12,23
Attach the pads on the upper and lower side of the same elbow.

Diagram shows pad placement on the upper and lower sides of an elbow.

Wrist
Modes: 10
Attach the pads on the upper and lower side of the same wrist. (Do not place the pads on the pulse.)

Diagram shows pad placement on the upper and lower sides of a wrist.

Hip
Modes: 1,3,4,5,6,9,13,15,19,22
Attach the pads above and below the pain area of your hip. (NOT on the back)

Diagram shows pad placement on the front/sides of the hip area.

Leg
Modes: 15
Attach the pads on both sides of the same leg.

Diagram shows pad placement on both sides of a leg.

Knee
Modes: 1,3,7,8,9,13,19,22
Attach both pads above the knee or above and below the pain area.

Diagram shows pad placement above and around the knee.

Calf
Modes: 1,2,3,4,7,8,9,10,11,13, 14,15,16,17,18,19,22
Attach both pads on the calf/leg where you feel pain. (Do not place electrode pads simultaneously to the calves of both legs.)

Diagram shows pad placement on the calf area.

Ankle/Foot
Modes: 1,4,11,13,19
Attach pads per the illustration, on the left/ on the outside of your ankle/foot for pain. Attach the pads per illustration on the right/ on the other side of your ankle/foot.

Diagrams show pad placement on the outside and inside of the ankle/foot area.

8. Mode Instruction

8.1 Intensity Recommendation

It is recommended to set the intensity within 1-3 for initial use, feel the intensity for 1-2 minutes after each intensity increase, if the intensity makes you feel pain or uncomfortable, please decrease the intensity.

8.2 Time Recommendation

It is recommended to use the device for no more than 30 minutes and to stop using it when the pain is relieved.

8.3 Expected Feelings

Program	Master Mode	Sub-Mode	Feeling
TENS [person stretching]		P1	Continuous comfortable tingling.
		P2	Comfortable tingling and pulsing sensation.
		P3	Comfortable rhythmic tingling.
		P4	Continuous comfortable tingling.
		P5	Comfortable and slow tingling firstly, then the frequency is significantly increased, and it becomes a noticeable tingling sensation.
		P6	Low frequency beating with a slight tingling sensation.
		P7	Low frequency slight beating firstly and then continuous comfortable tingling.
	P8	Low frequency slight beating firstly and then comfortable pulsing sensation.
PMS [person stretching]		P9	Low frequency slight beating.
		P10	Low frequency beating.
		P11	Beating from low frequency to a little high frequency.
		P12	Muscle twitches at a very low frequency. It feels like a tapping massage.
		P13	This program activates the muscle in a short tingling cycle. It is smoother than P1/P2.
		P14	This program gently warms up the muscles prior to exercise; it feels like a rhythmic massage. Increase intensity until you get a strong but comfortable muscle movement.
	P15	This program uses a pulse frequency appropriate to fast twitching muscle fibers. It improves their anaerobic capacity and is used for improving maximum muscle strength.
	P16	This program gently warms up the muscles prior to exercise; it feels like a rhythmic beating and comfortable tingling. Increase intensity until you get a strong but comfortable muscle movement.
MASSAGE [person stretching]		P17	Comfortable tingling from shallow to deep with 3-4 seconds pause.
		P18	Comfortable pulsing sensation from shallow to deep with 3-4 seconds pause.
		P19	Variable comfortable tingling, slight beating and scrapeing sensation.
		P20	Comfortable slight tingling from shallow to deep with 3-4 seconds pause.
		P21	Comfortable tingling and pulsing sensation from shallow to more deep with 3-4 seconds pause.
		P22	Rhythmic continuous beating.
		P23	Rhythmic scrapeing sensation.
		P24	Quick slight beating first, then comfortable tingling.

8.4 Mode Specification

Number of Mode	Type of Mode	Pulse Rate	Pulse Width
1	TENS	81~89	200
2	TENS	51~59	100
3	TENS	95~100	150
4	TENS	75~85	150
5	TENS	10~100	240
6	TENS	2	240
7	TENS	2/95~100	200/150
8	TENS	2/40~50	200/150
9	PMS	40~45	240
10	PMS	35~40	240
11	PMS	2~130	240
12	PMS	38~45	240
13	PMS	39~46	240
14	PMS	6~10	240
15	PMS	40~48	240
16	PMS	2~45	240
17	MASSAGE	5	200
18	MASSAGE	7	240
19	MASSAGE	3~22	200
20	MASSAGE	14	240
21	MASSAGE	35~100	240
22	MASSAGE	100	200
23	MASSAGE	50	240
24	MASSAGE	5/60	200

9. TENS Pads Holder

9.1 Features

The TENS Pads Holder is made of high-quality ABS material to ensure safe usage. It offers wide compatibility for patches in different sizes. The salient points are designed specially to lessen damage to the pads.

Diagram shows the TENS pads holder with callouts indicating 'ABS' material and 'Wide compatibility for patches in different sizes'.

9.2 Instruction

Stick the electrode patches on the holder to avoid getting dust.

Diagram shows electrode pads being placed onto the holder.
Wind the thread around the holder for easy use as the picture shown.

Diagram shows the lead wires being wrapped around the TENS pads holder for storage.

10. Safety Precautions and Warnings

10.1 Pain Management Warnings

Pain is a very important signal to tell us something is wrong with our body. If you have received medical or physical therapy for pain, please consult your physician before using this device to confirm if you can use this pain relief device. This device may cause fatal heart rhythm disturbances in certain susceptible people, and if you have recently had surgery, the stimulation may disrupt the healing process. If your pain does not improve after using this machine, becomes severe chronic pain or severe pain, stop using this device and consult your doctor.

10.2 Prohibited Conditions

The wire is broken
The gel is damaged
The lead wire connection port is broken
The device is broken
Battery leakage

10.3 Prohibited Individuals

Pregnant women, infants and children
People who do not have the ability to express their thoughts or intentions
People who are incapable of operating the device by themselves
People who have a tendency to bleed internally after an injury or fracture
Patients with suspected or confirmed heart disease or epilepsy

10.4 Prohibited Body Areas

Any part of the head or face
Any part of the throat and its vicinity, which can cause severe muscle spasms and lead to chocking
The heart and its vicinity or genital area
Open wounds or rash areas
Swollen, red, infected or inflamed areas
Areas of skin erosion (caused by varicose veins, phlebitis, thrombophlebitis, and thrombosis)
Sites on or near cancerous lesions
Skin that lack normal sensation

Do not use the pads in the following two areas at the simultaneously, because the current may cause heart rhythm disorders, or even cause death:

Both sides of the chest (left and right or front and back) or through chest
Calves of both legs
Bottom of both legs

10.5 Prohibited Activities

Shower or bath
Sleeping
Driving or operating machines
Any activities that cannot be interfered

10.6 Pads Precautions

Do not bend or fold the pads because it may damage gel.
Only place the pads on the skin or the pad holder.
Do not apply ointment or any solvent to the pads or the area where the pads are to be used.
Do not share pads with other or it may cause skin irritation or infection.
Do not overlap the pads when applying to skin or the device may stop working, and the gel may be removed when separating.
Do not move the pads when they are working.
Each lead wire needs to be connected to a pair of pad (2 pads), cause a single pad doesn't work.

Ensure each connection port are tightly connected before use, otherwise the current may be unstable. Pads should not touch any metal objects like belt buckle, necklace or other metal worn under clothes. Always place clean pads in accordance with illustrations provided.

11. 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.

Problem	Possible Cause	Solution
Pads don't work.	Only apply 1 pad on the skin.	Attach a pair of pad (of the same channel) on the skin.
	Did not set the intensity.	Increase the intensity of the connected channel.
	Poor connection between the pads and the device.	Connect the both ends of the lead wires to the pads and the device tightly or change a new lead wire.
	Poor contact between the pads and skin.	Attach the pads to the skin (no hair) tightly.
Pads don't stick to the skin.	The transparent film is still on the pad.	Peel off film on the adhesive surface of pads.
	Apply the pad immediately after washing.	Dry the pad.
	The gel was damaged.	Replace the pad.
	Pads get deteriorative.	Contact the vendor for replacements.
	The pads are stored under extreme conditions.	Replace the pad.
One pad feels stronger than the other.	Different body areas react differently.	Just make sure the pads are moist and make a good contact.
One pad feels stronger than the other.	Poor wire contact	Plugged the wire into the output port completely. If it does not work, replace the wire and try again.
The skin turns red or the skin feels irritated.	The gel was dry or contaminated.	Drop a few drops water on the pads to moisten gel or clean it under the running water for few seconds.
	Excessive usage time or the intensity is too high.	Reduce the application time or decrease the intensity.
	The electrode pad surface is worn out	Replace electrode pad.
Can't plug the lead wires into the device port or the pad connector.	The lead wires are conntected backwards.	The side with 1 connector is for connecting the device port, the side with 2 connectors are for connecting the electrode pads, please make sure you've operated it correctly.
	Incompatible connector or damaged connector/port.	Use a compatible lead wire, if the new lead wires we provided are broken or incompatible with our machine, please contact us.
Can't turn on the device.	Low battery.	Charging the battery.
	Operate the wrong on/off button.	Find the on/off button according to the ILLUSTRATIONS on the user manual and turn it on again.
	Insensitive on/off button or the on/off button didn't reset after the last use.	Reset the on/off button and turn it on.
	The button is stuck.	Shake the device and then turn it on again.
	The device is charging.	Unplug the charging cable and then use it.
Something is wrong inside the device.	Contact us if the device still can't be turned on after trying all of the above solotions.
Can't adjust the mode/ intensity/time.	Operate the wrong buttons.	MODE - Find the mode button according to the ILLUSTRATIONS on the user manual and operate it again. MODE - Press "<" and ">>" to switch the mode of the same line, and see whether the number changes as expected. INTENSITY - Press "^" and "v" on the left/right to change the intensity of the left/right channel.
	The screen is locked.	If there's a lock icon on the top left side of the screen, then long press the center button to unlock it. [lock icon]
	The intensity is too low.	Increase the intensity level.
The intensity felt is very weak.	Pads are not attached to the body firmly.	Attach both pads firmly to the skin.
	The transparent films are still on the pads.	Peel the film off the pads.
	The pads stack together or overlap.	Do not stack pads together or overlap pads.
The cord is not properly connected to the unit.	Connect cord correctly into the port.
Low battery.	Charging the battery.
Can not charge.	Operate the wrong port.	Find the charging port according to the ILLUSTRATIONS on the user manual and plug the cable and charge it again.
	The USB is not connecting correctly.	The charging port is narrow at the top and wide at the bottom, so please check the direction before inserting.
	No power source.	Ensure the power supply is working properly, and the battery icon on the screen will flash on and off while charging.
Power cuts off during use.	The cord is broken.	Replace the cord.
Power cuts off during use.	The battery is weak.	Charging the battery.
No power source or no display on LCD.	The battery capacity is depleted.	Charging the battery.

12. Symbols

Symbol	Meaning
⚠️	Attention, consult accompanying documents
[Diagram of BF Isolated Applied Part symbol]	BF Isolated Applied Part
[Diagram of Class II equipment symbol]	Class II equipment
[Diagram of disposal symbol]	Disposal in accordance with Directive 2002/96/EC
[Diagram of Manufacturer symbol]	MANUFACTURER
[Diagram of date symbol]	Date when the medical device was manufactured.
[Diagram of EC REP symbol]	AUTHORISED REPRESENTATIVE IN THE EUROPEAN COMMUNITY
[Diagram of read user manual symbol]	Please read the user manual before use
CE 2797	CE Mark, meets compliance of applicable directives and regulation in EU
IP22	IP Classification: The first number 2: Protected against access to hazardous parts with a finger, and the jointed test finger of 12 mm Φ, 80 mm length, shall have adequate clearance from hazardous parts, and protected against solid foreign objects of 12.5 mm Φ and greater. The second number: Protected against vertically falling water drops when enclosure is tilted up to 15°. Vertically falling drops shall have no harmful effects when the enclosure is tilted at any angle up to 15" on either side of the vertical.

13. Certification

The device complies with following normative documents: ANSI/ES 60601-1, IEC60601-1-2, IEC60601-1-11, IEC 60601-2-10, ISO 10993-5, ISO 10993-10, FDA, MDD, CA65.

14. Customer Service

24-Month Limited Warranty
Lifetime Technical Support
+1(678)829-7256
support@iauvon.com

Model Information

Model: AS8012C-sms-v1.6-220420-80×130mm

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