Goodpl GP-304N User manual

GP-304N
Acupuncture
Electrical
Stimulator

CONTENTS
Product features
Precautions
Preparations
How to use
Auto mode
Name of product
How to install
Specifications
Stated matters
Manufacturing license
Quality assurance card
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04
05
06
09
10
11
12
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Wellbeing and health life
for the wonderful world
This product is manufactured
by GOODPL INC. GOODPL INC.
owns intellectual property rights in this product and
you cannot copy the device and design of the product.
The contents of this user manual are subject to change
without prior notice.
GOODPL INC. owns intellectual property rights in this user manual.
Unauthorized full or partial copy of this user manual is prohibited.
There may be some discrepancies between this manual and
the purchased product for user convenience and performance improvement.
Note that our company does not take any responsibility with respect to
breakdowns or damages caused by using options or accessories other than standardized ones.
Note that our company does not take any responsibility and we are not liable
for any harm or damage that occurred as users failed to follow directions for use and cautions.
Disclaimer! This product is a ‘medical device’ and read ‘Cautions’ and ‘How to use’ carefully prior to use.
Written date : 2019. 04

GP-304N
Interferential Low-Frequency Stimulator
Lightweight (500 g) and
adoption of the LCD screen
The device is easily movable as it is
light (500 g) and small (20 cm) and
its LCD screen allows you to see its
operation state at a glance.
Automatic program controlled
by the CPU
Digitally controlled four standard
waveforms are programmed to offer
soft stimulation automatically.
Maximum usability
of space
This device can be wall-mounted
and therefore has an
advantage of being usable
in a compact space.
This device applies electrical
stimulation to the affected part by
conducting electric current.
In addition, you can adjust
low-frequency waveform, intensity,
operation time, sound to confirm
generation of low frequency,
and frequency of low-frequency
current by operating switches.

Caution
Purpose of use
Items of caution
Device which applies electrical stimulation such as micro electric current to the
body through sterilized or non-sterilized needles
Precautions
when using
1. Do not exceed the time needed for stimulation.
2. Make sure that the patient as well as the device have no problem before use.
3. If there is a problem with the device or the patient,
take necessary measures including stopping operation of the device while keeping the
safety of the patient.
4. When using this device for the first time,
the stimulation time should be shortened and the stimulation intensity lowered.
Adjust operating options of the device in accordance with the patient.
(The same is true for children and the elderly.)
5. When a blackout occurs, turn off the power switch and unplug the power cord.
6. Take off anything metallic (such as necklaces and metallic accessories).
7. Please designate a manager responsible for the device and do not have anyone other than
this person operate the device.
8. If this device breaks down, leave a mark on a proper place and leave it to a professional
engineer without carelessly handling it.
9. Do not use this device with other stimulators simultaneously.
10. Be careful when operating this device as its current density exceeds 2 mAms/㎠.
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The following users should consult a physician before using this device.
Persons with sensitive skin or skin irritations
Persons with epilepsy
Person with severe pain
Person experiencing irritation on the body
part where stimulation is applied
Persons with malignant tumors
Persons with high temperatures
Persons with change in temperature induced
heart diseases
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Pregnant women
Person who cannot feel temperature change
Person with medical implants
(e.g. cardiac pacemaker)
Person with defective heart
(especially with implanted cardiac pacemaker)
cannot be allowed to use this.
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Persons with fever
Persons with cardiovascular according to
temperature change
Pregnant women
Persons who do not sense temperature change

Acupuncture Electrical Stimulator
05
Preparation
before use
1. Connect the power cord to the outlet.
2. Check whether the power switch, Encoder Knob (INTENSITY), the touch panel,
and etc. work properly.
3. Check whether sterilized needles and electro-acupuncture wires are properly connected.
4. Check whether electro-acupuncture wires are connected properly to the connection
ports of this device.
5. If you have not used the device for a long time, reconfirm whether it functions well.
6. Use a dry cloth to wipe the sweat off the body part which needs stimulation.
7. Do not use this device with other stimulators simultaneously.
Environmental
conditions of
operation and
storage
1. Temperature: 10℃~ 40℃2. Humidity: 30% ~ 70% 3. Pressure: 700hPa ~1060hPa
1. Temperature: -40℃~ 70℃2. Humidity: 10% ~ 90% 3. Pressure: 500hPa ~ 1060hPa
How to keep
and manage
after use
1. After use, turn off the power switch and unplug the power cord.
2. Do not forcefully connect or disconnect wires and cords including the power cord and
electro-acupuncture wires.
3. Keep accessories (power cord and electro-acupuncture wires) clean and separate.
4. Keep the product in a dry place.
5. Keep the device in place away from air, atmospheric pressure, temperature, humidity,
ventilation, sunlight, dust, and salinity.
6. Do not use volatile liquids such as thinner when cleaning the device. Instead,
use a soft cloth or the cloth soaked in neutral detergent.
7. Make sure this device and its accessories are subject to regular inspections.
8. Keep the device in place away from chemicals or gas.
9. Take care of safety conditions such as inclination, vibration, and impact.
10. Keep out of reach of children.
11. Be sure to check out whether it is clean and safe,
or it works properly when reusing the product that has not been used for a long time.
Preparation

Operating screen
06
Displays pre-set values of each operation mode and the current operation progresses.
1. LCD display
Sets AUTO MODE (A1, A2, A3, A4) for automated operation and the set-value is displayed
on the LCD screen.
2. AUTO MODE
BUTTON
Sets MANUAL MODE (1, 3, 5, 7, 10, 25, 50, 100 Hz) for manual operation and the
set-value is displayed on the LCD screen.
3. MANUAL MODE
BUTTON
10
2
9
5
6
7
3
8
4
1
4. INT/CON
BUTTON
Chooses between INTERVAL and CONTINUE in MANUAL MODE.
①CONTINUE MODE: Normal electric current stimulation without lowering output
②INTERVAL MODE: Electric current stimulation level is lowered at regular, repeated intervals
(about 85% of normal electric current stimulation).
[AUTO MODE (A1, A2, A3, A4) cannot be selected.]
5. HIGH / LOW Select frequency(high/low)
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6. SOUND ON/OFF
BUTTON
The sound produced according to frequency during stimulation can be turned on/off.
(Buzzing sound comes out during operation.)
7. TIME BUTTON Adjust operation time to 5,10,15,20,30,40,50,60,90 minutes
9. Electro-
acupuncture
wires connection
ports
8. Encoder Knob
(INTENSITY)
Turns on/off output operations and controls output voltage.
Connect electro-acupuncture wires to the ports through which stimulation is applied
(from left to right: CH1, CH2, CH3, CH4).
10. POWER
BUTTON
Power On
07
Acupuncture Electrical Stimulator

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Product features
304N
Lightweight (500 g)
and adoption of the
LCD screen
The device is easily movable as it is light (500 g) and small (20 cm) and its LCD screen allows you to see
its operation state at a glance.
Automatic program
controlled by the
CPU
This acupuncture electrical stimulator is CPU-controlled and offer soft stimulation.
Mode selection
In MANUAL MODE, you can set output frequency (1, 3, 5, 7, 10, 25, 50,100 Hz) for stimulation.
In AUTO MODE, you can choose A-1, A-2, A-3, or A-4 for stimulation.
Inexpensive price
This device is for one person, is inexpensive, and has high energy efficiency.
Operation buttons
Smooth button control is guaranteed, offering luxurious look and convenient experience.
Maximum usability
of space
This device can be wall-mounted and therefore has an advantage of being usable in a compact space.

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How to use
Acupuncture Electrical Stimulator
How to use 1. Patch the medical electrode to stimulate
2. Power on
3. Select stimulation mode as of auto mode or manual mode
(AUTO MODE : [A-1], [A-2], [A-3], [A-4])
(MANUAL MODE : 1, 3, 5, 7, 10, 25, 50, 100Hz)
4. Adjust high/low while stimulating by manual mode
5. While stimulation by manual mode, the stimulation repeated 3 seconds of operation and 2 seconds.
of stop push button one more the stimulation works continuously.
6. Adjust operation time by push time button per 5, 10, 15, 20, 30, 40, 50, 60, 90 minutes
7. Sounds to be on/off when push sound button
8. Power on and adjust output intensity
(Clockwise: Increase, Counterclockwise: Decrease) / Magnetic plate)

10
Part & Function
|Accessories |
Magnetic plate
Sold separately(Opion)
Electrode cable 4EA Power cord 1EA
Adjust each channel on/off or output voltage
Adjustment knob switch of
each channel
Display current status and stand-by status
LCD screen
Manual mode
Auto mode
Int/Con
High/Low
Time
Adjust sound
Display part
Makes low frequency stimulation
as connect with electrode cable
Output part
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AUTO1 AUTO2
AUTO3 AUTO4
30
25
20
15
10
5
10 62 73 84 95 10 11
( Min)
( Hz)
11
15
10
5
10 62 73 84 95 10
( Min)
( Hz)
200
150
100
90
80
70
60
50
40
30
20
10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 150
(Min )
(Hz )
200
150
100
90
80
70
60
50
40
30
20
10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 16150
(Min )
(Hz )
Acupuncture Electrical Stimulator
Automode graph

Specification
Output waveform
Pulse width 160㎲
Square wave
Time settings
Dimension Weight
Rated voltage
Power consumption
Maximum output
voltage
Rated frequency
AC 220V
50/60Hz
8VA
H MODE: 30 Vp-p (at 500 Ω load)
L MODE: 13 Vp-p (at 500 Ω load) Output frequency Manual Mode : 1, 3, 5, 7, 10, 25, 50, 100Hz
Auto Mode : 1Hz ~ 200Hz
205(W)×205(D)×80(H)mm
5, 10, 15, 20, 30, 40, 50, 60, 90 minutes
500g
Stated matter
Name of Product
Name of model
Acupuncture Electrical Stimulator
GP-304N
Name of company Goodpl Inc.
Manufacturer’s
address
107 Dongwha Gongdan-ro,
Munmak-eup, Wonju-si,
Gangwon-do 26365, Republic of Korea
Purpose of use
Device which applies electrical
stimulation such as micro electric
current to the body through sterilized
or non-sterilized needles
Manufacturing
number and date published at the time of production.
Weight 500g
packing unit 1 set
Specification 12page
How to use 9page
Precautions 4page
Rated power constant,
voltage, frequency
Single phase,
AC 220V, 50/60Hz
Power Consumption 8VA
Protection type
against electric shock Type 2
Type BF
Protection type
against electric shock
This product is a medical device.
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304N

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Acupuncture Electrical Stimulator
MEMO

304N
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MEMO

MEMO
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Acupuncture Electrical Stimulator

GOODPL INC.
107 Donghwa Gondan-ro, Munmak-eup, Wonju-si,
Gangwon-do 26365, Republic of Korea
Tel [phone] Fax [phone]
Publication_2019. 04
GP-304N