A-Star PhysioGo.Lite Electro User manual

PhysioGo.Lite Electro
– User manual

1. Basic information and contents
page 3 / 96 Issue date 18.05.2021, rev. 1.0
Contents
1. INTRODUCTION .......................................................................................................................................................6
MANUFACTURER ............................................................................................................................................................. 6
RISK MANAGEMENT PROCESS .............................................................................................................................................. 6
2. INTENDED USE .........................................................................................................................................................7
INTENDED USERS .............................................................................................................................................................. 8
USER TRAINING ............................................................................................................................................................... 8
3. WARRANTY AND MANUFACTURER'S RESPONSIBILITY..............................................................................................9
4. OPERATIONAL SAFETY ...........................................................................................................................................10
MAINS SUPPLY AND OPERATION MODE................................................................................................................................ 10
STORAGE,OPERATION AND TRANSPORT CONDITIONS .............................................................................................................. 10
WARNINGS AND SAFETY NOTES ...................................................................................................................................... 11
EXPLOSION PROOF ENVIRONMENT...................................................................................................................................... 13
ELECTROMAGNETIC ENVIRONMENT .................................................................................................................................... 13
OPERATION OF TOUCH-SENSITIVE DISPLAYS .......................................................................................................................... 13
APPLIED PARTS .............................................................................................................................................................. 13
ESSENTIAL PERFORMANCE ................................................................................................................................................ 14
4.8.1 Test of essential performance and basic safety ............................................................................................. 14
DISPOSAL ..................................................................................................................................................................... 15
5. UNIT DESCRIPTION ................................................................................................................................................16
GENERAL CHARACTERISTICS .............................................................................................................................................. 16
FRONT PANEL ................................................................................................................................................................ 17
5.2.1 Operation status and battery level indicators................................................................................................ 18
BATTERY INSTALLATION ................................................................................................................................................... 19
NAME PLATE ................................................................................................................................................................. 19
CURRENT AND VOLTAGE STABILIZATION –CC AND CV MODE ................................................................................................... 20
PROTECTION ................................................................................................................................................................. 21
5.6.1 Detection of a high resistance in the patient circuit....................................................................................... 21
5.6.2 Electrodes condition control........................................................................................................................... 22
5.6.3 Current accuracy control in CC mode ............................................................................................................. 22
5.6.4 Overcurrent in CV mode................................................................................................................................. 22
5.6.5 Information on the features of generated signal ........................................................................................... 22
6. DEVICE INSTALLATION AND START-UP ...................................................................................................................24
UNIT INSTALLATION ........................................................................................................................................................ 24
6.1.1 Connection of patient’s cables and application of electrodes........................................................................ 24
FIRST OPERATION ........................................................................................................................................................... 25
SETUP MODE................................................................................................................................................................. 25
6.3.1 Basic information ........................................................................................................................................... 25
6.3.2 Language ....................................................................................................................................................... 26
6.3.3 Global settings ............................................................................................................................................... 26
6.3.4 Functional settings......................................................................................................................................... 26
6.3.5 Control functions............................................................................................................................................ 27
6.3.6 Information .................................................................................................................................................... 28
TRANSPORT POSITION –TROLLEY FOR THE UNIT ..................................................................................................................... 29
7. UNIT OPERATION...................................................................................................................................................30
PATIENT PREPARATION AND TREATMENT PERFORMANCE ......................................................................................................... 30
7.1.1 General information....................................................................................................................................... 30
7.1.2 Electrotherapy................................................................................................................................................ 30
SCREEN CONFIGURATION ................................................................................................................................................. 31
GENERAL CONFIGURATION ............................................................................................................................................... 32
7.3.1 Treatment channel configuration .................................................................................................................. 32
7.3.2 Channel selection tabs ................................................................................................................................... 32
7.3.3 Current selection screens ............................................................................................................................... 33
7.3.4 Limitations ..................................................................................................................................................... 34
DISPLAY DESCRIPTION ..................................................................................................................................................... 34
OPERATION WITH PRESET TREATMENT PROGRAMS AND SEQUENCES ........................................................................................... 35
FAVORITE PROGRAMS ..................................................................................................................................................... 37

1. Basic information and contents
User Manual – PhysioGo.Lite Electro page 4 / 96
MANUAL MODE OPERATION ............................................................................................................................................. 38
USER PROGRAMS ........................................................................................................................................................... 38
USER SEQUENCES ........................................................................................................................................................... 39
I/T CURVE ............................................................................................................................................................... 42
SAFE SHUTDOWN PROCEDURE...................................................................................................................................... 43
8. DEFINITIONS AND PARAMETERS............................................................................................................................44
TERMINOLOGY .............................................................................................................................................................. 44
OUTPUT SIGNAL MODULATIONS......................................................................................................................................... 44
TREATMENT TIMER ......................................................................................................................................................... 45
TENS PULSE CURRENT .................................................................................................................................................... 45
INTERFERENTIAL CURRENTS............................................................................................................................................... 47
KOTZ’CURRENT (RUSSIAN STIMULATION) ............................................................................................................................ 48
MEDIUM FREQUENCY CURRENTS........................................................................................................................................ 50
SP-TENS PULSE CURRENT ............................................................................................................................................... 52
DIADYNAMIC CURRENTS................................................................................................................................................... 53
GALVANIC CURRENT .................................................................................................................................................. 54
ULTRA REIZ CURRENT (TRÄBERT’S CURRENT)................................................................................................................... 55
UNIPOLAR AND BIPOLAR SINE SURGE ............................................................................................................................. 56
LEDUC’S CURRENT..................................................................................................................................................... 58
RECTANGULAR PULSE CURRENTS................................................................................................................................... 59
TRIANGULAR PULSE CURRENTS ..................................................................................................................................... 61
NEOFARADIC PULSE CURRENTS ..................................................................................................................................... 63
MICROCURRENTS...................................................................................................................................................... 64
IG PULSES ............................................................................................................................................................... 65
EMS ..................................................................................................................................................................... 66
H-WAVES................................................................................................................................................................ 68
EXPONENTIAL PULSES................................................................................................................................................. 69
HUFSCHMIDT STIMULATION......................................................................................................................................... 71
TONOLYSIS .............................................................................................................................................................. 72
9. INDICATIONS AND CONTRAINDICATIONS...............................................................................................................75
INDICATIONS ................................................................................................................................................................. 75
9.1.1 TENS and SP-TENS current ............................................................................................................................. 75
9.1.2 Interferential and AMF currents..................................................................................................................... 75
9.1.3 Kotz’ current – Russian stimulation................................................................................................................ 76
9.1.4 Medium frequency currents ........................................................................................................................... 76
9.1.5 Diadynamic currents ...................................................................................................................................... 76
9.1.6 Galvanic current............................................................................................................................................. 76
9.1.7 Ultra Reiz current ........................................................................................................................................... 77
9.1.8 Sine Surge....................................................................................................................................................... 77
9.1.9 Leduc’s current............................................................................................................................................... 77
9.1.10 Rectangular impulses..................................................................................................................................... 77
9.1.11 Triangular impulses........................................................................................................................................ 78
9.1.12 Neofaradic currents ....................................................................................................................................... 78
9.1.13 Microcurrents................................................................................................................................................. 78
9.1.14 IG pulses......................................................................................................................................................... 78
9.1.15 EMS ................................................................................................................................................................ 79
9.1.16 H-waves ......................................................................................................................................................... 79
9.1.17 Exponential currents ...................................................................................................................................... 79
9.1.18 Hufschmidt stimulation and tonolysis............................................................................................................ 79
CONTRAINDICATIONS FOR ELECTROTHERAPY ......................................................................................................................... 80
10. MAINTENANCE, CLEANING, DISINFECTION............................................................................................................. 81
CLEANING OF THE UNIT AND SWITCH MODE POWER SUPPLY CASING ...................................................................................... 81
CLEANING OF TOUCHSCREEN ....................................................................................................................................... 81
CLEANING AND DISINFECTION OF THE ELECTROTHERAPY ACCESSORIES .................................................................................... 82
CABLE CONDITION CONTROL ........................................................................................................................................ 82
VERIFICATION OF ELECTRODES CONDITION ...................................................................................................................... 83
SPECIAL MESSAGES .................................................................................................................................................... 84
SELF-TEST PROCEDURE ............................................................................................................................................... 84
TROUBLESHOOTING ................................................................................................................................................... 85
FUSE REPLACEMENT .................................................................................................................................................. 86
11. SPECIFICATION AND ACCESSORIES .........................................................................................................................87

page 5 / 96 Issue date 18.05.2021, rev. 1.0
TECHNICAL DATA ...................................................................................................................................................... 87
EMC PARAMETERS ................................................................................................................................................... 89
STANDARD ACCESSORIES............................................................................................................................................. 91
OPTIONAL ACCESSORIES ............................................................................................................................................. 91
12. APPENDIX A. SYMBOL DESCRIPTION, I(T) CURVE DIAGRAM ...................................................................................92
CONTROLLER,ACCESSORIES,PACKAGING ........................................................................................................................ 92
SWITCHED-MODE POWER SUPPLIES –CASING .................................................................................................................. 94
Table of figures
Figure 5.1 General view............................................................................................................................................................ 16
Figure 5.2 Unit rear panel view ................................................................................................................................................ 16
Figure 5.3 Arrangement of front panel components ............................................................................................................... 17
Figure 5.4 The battery installation method.............................................................................................................................. 19
Figure 5.5. Rough diagram of the output circuit of the unit working in CV mode (one channel)............................................. 20
Figure 5.6. Presentation of information about the high resistance in the patient circuit ........................................................ 21
Figure 5.7. Signalization of worn electrodes ............................................................................................................................ 22
Figure 6.1 Electrotherapy sockets label.................................................................................................................................... 24
Figure 6.2. Connection of electrodes ....................................................................................................................................... 24
Figure 6.3. Supply part label..................................................................................................................................................... 25
Figure 7.1 Field description ...................................................................................................................................................... 31
Figure 7.2 Screenshot sample view for dual circuit electrotherapy A+B.................................................................................. 34
Figure 7.3 Screenshot sample view for single circuit electrotherapy A and B.......................................................................... 35
Figure 7.4 Screenshot sample view for electrotherapy sequences .......................................................................................... 35
Figure 7.5 Information screen sample view ............................................................................................................................. 36
Figure 8.1. Manual time setting ............................................................................................................................................... 45
Figure 10.1. The unit error signaling and information visible after closing of the error message............................................ 84
List of tables
Table 4.1. Recommendations for the operation of touch screens ........................................................................................... 13
Table 4.2. Essential performance and basic safety testing recommendations......................................................................... 14
Table 5.1 Description of front panel components.................................................................................................................... 17
Table 5.2. Non-battery unit ...................................................................................................................................................... 18
Table 5.3. Unit equipped with battery ..................................................................................................................................... 18
Table 5.4. Additional information about battery indicator ...................................................................................................... 18
Table 5.5. The battery installation method .............................................................................................................................. 19
Table 5.6. Currents classification.............................................................................................................................................. 23
Table 8.1. Permitted amplitude values in relation to pulse duration....................................................................................... 61
Table 8.2. Available frequency values in relation to pulse duration ........................................................................................ 70
Table 10.1. Signaling special messages .................................................................................................................................... 84
Table 10.2. The "hardware" error coding system..................................................................................................................... 85
Table 10.3................................................................................................................................................................................. 85

1. Basic information and contents
User Manual – PhysioGo.Lite Electro page 6 / 96
1. Introduction
Read this manual carefully before starting the unit operation! Follow the recommendations
presented in this manual!
The electrotherapy unit PhysioGo.Lite Electro should be installed by the seller.
The recipient has the right to insist on the product operation training.
The unit may only be operated by qualified personnel or under supervision of such personnel!
WARNING: The device is intended for adult patients only. It is not intended for use in a home healthcare
environment.
Description of symbols used in this manual:
Read appropriate passage of this user manual, warnings or important information. Failure
to observe warnings can lead to injuries.
Important notices and information.
Following texts marked with this symbol facilitates device operation.
NOTE:
The outlook of screens shown in this manual may slightly differ from their actual outlook during device operation.
These differences may concern size and type of fonts and size of symbols. There are no differences in the content
of shown information.
NOTE:
This manual contains information for use and technical description.
WARNING: No modification of this equipment is allowed!
Manufacturer
ASTAR Sp. z o.o.
ul. Świt 33
43-382 Bielsko-Biała, Poland
www.astar.eu
Risk management process
The manufacturer conducts continuous risk management process referring to the device construction, its
intended use, method of operation and maintenance. Residual risks are presented in this User Manual in form
of information about precautions, contraindications and warnings.

2. Intended use
page 7 / 96 Issue date 18.05.2021, rev. 1.0
2. Intended use
Electrotherapy unit PhysioGo.Lite Electro is an active, non-invasive therapeutic device, intended for carrying our
treatment procedures using:
•bipolar (bidirectional) and unipolar (unidirectional) low frequency currents,
•bipolar (bidirectional) and unipolar (unidirectional) medium frequency currents.
The unit is equipped with two fully independent treatment channels. The list of available therapies in particular
channels is shown in the table below.
Channel Therapy
1
Single circuit electrotherapy – A
Dual circuit electrotherapy – A+B
2 Single circuit electrotherapy – B
Detailed information about available configurations is presented further in this manual.
The unit possesses the base of preset treatment procedures along with therapeutic encyclopedia, which
significantly increases comfort of operation.
There is also a possibility to create own user-defined:
•programs,
•sequences.
The unit may perform treatments by:
•TENS, BURST and formed in packages to spastic paralysis SP-TENS currents,
•interferential currents – dynamic and isoplanar,
•one-channel sine wave current (AMF),
•Kotz’ – Russian stimulation,
•diadynamic according to Bernard – MF, DF, CP, CP-ISO, LP, RS, MM currents (in continuous and interrupted
mode),
•ionophoresis and galvanization of constant current (in the continuous and interrupted mode),
•Träbert (Ultra Reiz), Leduc’ and neofaradic (in continuous and interrupted mode),
•medium frequency current,
•unipolar and bipolar sine surge currents,
•triangular or rectangular pulses (in continuous and interrupted mode),
•microcurrents,
•IG pulses,
•EMS currents,
•H-waves,
•exponential pulses,
•tonolysis and Hufschmidt stimulation – to spastic paralysis,
•qualitative and quantitative electrodiagnostic of the nervous-muscle system.
Detailed information about indications and contraindications are presented in chapter 9.
Due to the optional availability of a battery, the unit is perfectly suited for use:
•in sports medicine in case of training camps,
•wherever there are problems with power supply quality.

2.Intended use
User Manual – PhysioGo.Lite Electro page 8 / 96
Intended users
The patient should not be the operator.
Users (operators) of PhysioGo.Lite Electro can be:
•specialists in the field of the electrotherapy,
•physiotherapists specializing in the therapy of the musculoskeletal system,
•sports medicine specialists,
•aesthetic medicine specialists,
•trained personnel performing treatments under the supervision of the above-mentioned specialists.
The user should have:
•knowledge about the indications and contraindications for the use of electrotherapy,
•knowledge of the terminology and technical terms used in the manual (e.g. knowledge of units of physical
quantities),
•practical skills in performing therapeutic treatments using devices for electrotherapy, resulting from
education, experience and training.
Physical and cognitive requirements of the operator:
•eyesight enabling to recognize elements of screen and keyboard,
•hearing enabling to hear the patient's voice,
•reading comprehension that allows to read the instructions of use and information on the screen of the
device,
•two functional upper limbs that allow to perform treatments and other activities related to the operation
of the device (e.g. cleaning of accessories),
•age in the range of admissible value of professional activity (depending on the regulations of the country
where the device is used).
User training
The PhysioGo.Lite Electro user has to be properly trained in the device safe and effective use, before starting the
operation. Training in the rules of operation can be carried out by representatives of the manufacturer or seller,
based on this user manual.
Recommended training positions:
•information about the intended use of the device,
•occupational safety information,
•information on the construction and method of the output signal generation,
•information on available settings and operation modes,
•instructions for use,
•indications and contraindications for the therapy,
•information on recommended maintenance, cleaning and disinfection,
•handling in the event of a technical malfunction.
Due to requirements of local law and regulations in different countries, additional training activities may be
required. The user should inform the seller about such requirements in order to receive complete information.

3. Warranty and manufacturer's responsibility
page 9 / 96 Issue date 18.05.2021, rev. 1.0
3. Warranty and manufacturer's responsibility
The manufacturer warrants the controller to be free of faults for the period of time and conditions stated in
Warranty Certificate. The manufacturer also provides post-warranty service for a period of 10 years from
launching the unit onto the market. The warranty includes all material and workmanship faults.
The manufacturer undertakes to observe the warranty agreement, if the following conditions are met:
•all repairs, changes, extensions and calibrations of equipment are performed by manufacturer or authorized
service personnel,
•the mains supply system in the treatment room meets requirements of standards in force,
•the unit is operated by qualified personnel, in compliance with instructions presented in this manual,
•the unit is operated in compliance with its intended use.
The warranty does not include consumables, such as electrodes, viscose covers, connection cables, mains cables,
patient’s cables and fuses, as well as faults or damage caused by:
•improper placement, installation or configuration of the device,
•misuse or failure to observe the instructions presented in this user manual,
•inaccurate or inadequate maintenance carried out by the operator,
•improper environmental conditions specified for the product,
•unauthorized opening of the outer casing,
•adjustment and/or unauthorized tuning,
•use of non-original accessories.
The warranty does not cover any damage due to a failure to adhere to the recommendations stated in chapters
4.3 and 10 hereof.
The manufacturer is not liable in case of transmission of infection by equipment components.
The expected "life time" of the device is 10 years.
After elapse of 10 years from date of introduction of device and accessories in the market the manufacturer is
not liable for device and accessories' faults or its consequences. After elapse of the expected life time of the
device the user bears the complete responsibility for the occurrence of medical incidents.
The manufacturer bears no responsibility for results of faulty installation, wrong diagnosis, wrong use of the
device and equipment, failure to observe user's manual and performance of repairs by unauthorized persons.
Inside the device there are no user serviceable components, except for fuses and battery.
No parts can be serviced or maintained when the device is in use with a patient.
On demand, the producer makes available technical diagrams, parts lists, descriptions, instructions for calibration
or other helpful information to appropriately qualified user's technical staff to repair these parts of unit, which
are described by the producer as a reparable.

4. Operational safety
User Manual – PhysioGo.Lite Electro page 10 / 96
4. Operational safety
Mains supply and operation mode
The unit is designed for supply from AC mains with rating 100-240 V and frequency 50/60 Hz. It is
a medical device under safety class II, type BF. The unit may be used only in rooms, where the electric system
is executed in compliance with standards in force. The unit is intended for continuous operation. It is not
necessary to switch it off from the mains between particular treatment procedures.
An external switched-mode power supply treated as part of the device is the source of supply for the device. Two
models are allowed to be used with the device:
•type HPU63B-108 by Sinpro, constant output voltage 24V, rated current 2,62A,
•type GSM60B24-P1J by Mean Well, constant output voltage 24V, rated current 2,5A.
The types of switched-mode power supply approved for use with the device are placed on the identification label
on the bottom of the device.
The power supply is connected to the mains using the detachable power cord. The power supply cord is equipped
with a mains plug that isolates the device from the supply mains on all poles simultaneously.
The socket in the device where the plug of the switched-mode power supply is connected is marked with
and safety sign ISO 7010 - M002.
Connecting to the mains and the proper operation of the switched-mode power supply is signaled:
•by the green LED indicator located on the housing of the switched-mode power supply type HPU63B-108
by Sinpro,
•by the blue LED indicator located on the housing of the switched-mode power supply type
GSM60B24-P1J by Mean Well.
Recommendations related to isolation the device from the supply mains:
•do not position the PhysioGo.Lite Electro so that it is difficult to operate the disconnection of the device
from the supply mains,
•to isolate the device from the supply mains, hold the mains socket-outlet with one hand, grasp the mains
plug with second hand and disconnect it from the mains socket-outlet.
Disconnection from the mains takes place after:
•switching the mains switch to the "0" position,
•removing the mains cable plug from the mains power socket,
•removing the SMPS output cord plug from the socket on the unit.
Selected devices are equipped with rechargeable battery which allows for operation without, or in conditions
of reduced quality of power supply.
Storage, operation and transport conditions
The PhysioGo.Lite Electro unit must be stored in closed rooms, where the atmosphere is free from vapors and
caustic substances and:
•the temperature is maintained between + 5°C and +45°C,
•relative humidity does not exceed 75%,
•atmospheric pressure value is between 700 and 1060 hPa (70-106 kPa).
The unit is intended for operation under the following conditions:
•ambient temperature between +15°C and +30°C,
•relative humidity between 30% to 75%,
•atmospheric pressure between 700 to 1060 hPa (70-106 kPa).

4. Operational safety
page 11 / 96 Issue date 18.05.2021, rev. 1.0
If further transport of the device is required, use the delivery packaging. Transport shall be performed with
covered transport means.
Recommended transport conditions:
•ambient temperature between -10°C to +45°C,
•humidity between 20 and 95%,
•atmospheric pressure between 700 and 1060 hPa (70-106 kPa).
The above conditions refer also to the battery module.
WARNINGS and safety notes
The PhysioGo.Lite Electro unit has been designed and manufactured in such a way that its use does not cause
a hazard to the health and safety of patients, operators and third parties, as well as the unit provides
therapeutic benefits to patients if it is operated in appropriate conditions and in accordance with its intended
purpose.
General:
•PhysioGo.Lite Electro unit may be operated by qualified personnel in compliance with instructions (see
2.1).
•No modification of this equipment is allowed!
•The treatment station (bed, couch, chair) shall be located away from other electric devices and water
supply / sewerage installation / central heating system, so that it is impossible for the patient to touch
any of them during treatment procedure.
•Do not position PhysioGo.Lite Electro so that it is difficult to operate the disconnection of the device from
the supply mains.
•Do not remove warning signs and labels put by the manufacturer on the unit casing and accessories.
•The unit shall be protected against high temperatures and atmospheric conditions (e.g. direct sunlight).
•Damaged cables shall be replaced immediately. Pay special attention to the threadbare insulation and
partially torn interconnecting cables.
•Prevent any fluid from penetrating inside the unit. In case of any fluid getting inside the unit, switch the
unit immediately off, isolate from the mains and contact service to inspect the unit.
•By any means do not cover the vents. Do not insert any objects into the ventilation sockets.
•The unit may be only used with accessories, spare parts, disposable items which have been determined
to be safe and appropriate inspection bodies have not issued contraindications against their use.
•After switching the unit off, wait for 10 seconds before you switch it on again.
•Each serious incident concerned with the device should be reported to the manufacturer and competent
authority of the country, where the user or patient resides. Serious incident means any incident that
directly or indirectly led, might have led or might lead to any of the following:
the death of a patient, user or other person,
the temporary or permanent serious deterioration of a patient's, user's or other person's state of
health,
a serious public health threat.
Therapeutic:
•The device is intended for adult patients (patient has to be conscious). Minor patients – only on the
doctor's explicit recommendation, after considering contraindications.
•It is impermissible for the patient to carry out the treatment on their own.
•Patients with implanted electronic devices (e.g. cardiac pacemakers, cardioverter defibrillator, spinal
cord stimulator) or other metal implants should be consult a physician prior to treatment.
•Before treatment it is necessary to interview the patient, including the occurrence of relative and
absolute contraindications to conduct therapy.
•Do not perform treatments on patients under the influence of alcohol.
•Do not perform treatments on patients under the influence of intoxicants.
•It is necessary to ensure the adequate interval between treatments for the patient, in order to avoid an
increase of the risk of complications.
•It is necessary to continuously update knowledge and follow literary activities in the scope of therapy.

4. Operational safety
User Manual – PhysioGo.Lite Electro page 12 / 96
•Immediately disconnect the patient in the case of appearing warning on error messages on the display.
•Sitting or reclining position should be applied to the patients with respiratory disorders or breathing
difficulties.
•Treatment parameters and electrodes placement should be consistent with the medical indications.
•Connect the electrodes to the patient at a time when the device does not generate the electricity to avoid
the risk of electric shock.
•Electrodes should not be placed alongside the carotid artery (carotid sinus), in the area of reproductive
organs, in the lower abdomen and over the internal organs.
•It is prohibited to leave the patients unattended during treatments of electrotherapy.
•It is necessary to take precautions in case of the occurrence of surface metal implants in the spot of
application.
•Do not use electrotherapy at the area of application of surgical staples in the skin, or on tissues protected
with dressings or materials containing metal ions (silver, zinc).
•If it is possible, the treatment polarity should be adjusted so that the negative pole ought to be ”further”
from the heart than the positive one.
•It is not recommended to place electrodes in chest area, as it may increase the risk of ventricular
fibrillation.
•Do not place electrodes on the neck and transcranially for epileptic patients, because stimulation may
cause seizures.
•Unless specifically indicated by a doctor, avoid placing electrodes that form the circuit on the chest and
upper back or crossing over the heart.
•Unless specifically indicated by a doctor, avoid applying electrical stimulation directly on the eyes or
mouth.
•In case of treatment performed near the head, the patient should be in lying position.
•Simultaneous performance of electrotherapy treatments and therapies with the use of high frequency
equipment (diathermy and electro surgery) may result in burns where electrodes are applied.
•Take special care with patients with disturbed superficial sensation.
•It is necessary to use operational and sanitized electrodes. Inadequate choice of electrodes may cause
skin irritations or burns.
•It is recommended to differentiate the electrodes size according to performed treatment in order to do
not exceed the current density:
−0,2 mA/cm2for currents with constant component (unipolar) – galvanic, diadynamic, pulse currents,
unipolar sine surge, tonolysis,
−2 mA/cm2for bipolar currents – TENS, Kotz’, interferential.
Improper selection of electrodes can cause skin irritation and burns.
•Carrying out treatments, where for the applied electrodes it is necessary to set the current/voltage so
that the current density does not exceed 2 mA/cm2, may require particular attention of the
physiotherapist.
•Irritation and skin burns may occur during performing electrical stimulation. If such syndromes occur you
are obliged to interrupt the treatment and immediately consult with a doctor.
•It is not recommended to apply unidirectional currents in CV mode due to the possibility of skin burns. It
is necessary to apply CC mode.
•Unless specifically indicated by a doctor, it is not recommended to treat pregnant women with
electrotherapy.
•Special caution must be kept during electrotherapy treatments in children and older people.
Battery use (optional):
•Rechargeable battery UR18650A 5S1P is designed for use only with Astar PhysioGo.Lite range of devices.
•In case of mechanical damage to the battery module, there is a risk of fire, explosion or burns, due to
used lithium-ion cells.
•Do not throw the battery or hit it. Do not heat it or incinerate.
•Do not short-circuit the contacts or disassemble the casing.
•Do not immerse in liquids.
•Operation, storage and transport conditions are presented in chapter 4.2.

4. Operational safety
page 13 / 96 Issue date 18.05.2021, rev. 1.0
Explosion proof environment
PhysioGo.Lite Electro is not adopted to operation in rooms, where combustible gases or their vapors occur. It is
recommended to avoid anesthetics or oxygen derivate gases, such as nitrous oxide (N2O) and oxygen. Some
materials (e.g. cotton, wool) may after saturation with oxygen become combustible at high temperatures
generated with normal operation of equipment. It is recommended that solutions of adhesive and combustible
solvents be vaporized before equipment is operated. It is also recommended to pay attention to the danger of
ignition of endogenous gases. The unit must be separated from the mains before approaching the disinfection
room, where it is installed.
Electromagnetic environment
•Due to the intended use the device can be used in hospitals, clinics, health centers, GP practices,
rehabilitation offices and other health care facilities, under the supervision of qualified personnel.
•Simultaneous operation of unit with devices generating strong electromagnetic field, such as short wave and
microwave diathermies, high frequency surgical equipment, MRI systems, may disturb unit operation. For
this reason, it is recommended to maintain appropriate distance between these devices or to switch off the
generator of strong fields during therapy with the PhysioGo.Lite Electro unit. Manufacturer doesn’t claim
compatibility of the PhysioGo.Lite Electro unit with high frequency surgical equipment.
•If the device is subjected to electromagnetic interference with an intensity that exceeds the compliance
levels declared in section 11.2, the display may be affected, generation may be interrupted or the device
may restart.
•WARNING: Use of the PhysioGo.Lite Electro adjacent to or stacked with other equipment should be avoided
because it could result in improper operation. If such use is necessary, the PhysioGo.Lite Electro and the
other equipment should be observed to verify that they are operating normally.
•It is recommended to use original accessories, spare parts and equipment of Astar.
•WARNING: Use of accessories, transducers and cables other than those specified or provided by the
manufacturer of this equipment could result in increased electromagnetic emissions or decreased
electromagnetic immunity of this equipment and result in improper operation.
•WARNING: Portable RF communications equipment (including peripherals such as antenna cables and
external antennas) should be used no closer than 30 cm (12 inches) to any part of the PhysioGo.Lite Electro,
including cables specified by the manufacturer. Otherwise, degradation of the performance of this
equipment could result.
The PhysioGo.Lite Electro meets requirements of electromagnetic interference emission and immunity standards
and shall not pose a threat to correct operation of the other devices. Compliance levels for emissions and
immunity are given in the chapter 11.2.
Operation of touch-sensitive displays
Table 4.1. Recommendations for the operation of touch screens
Type of display Method of operation of the display
5” with a resistive touch
panel
Recommended:
•Pen designed for resistive screens – preferably with a narrow plastic tip
Admissible:
•
Operator's finger – much lower comfort of operation compared to the pen
Applied parts
The PhysioGo.Lite Electro unit has an applied part of BF type. It includes electrotherapy sockets along with plugs
and patient’s cables.
The elements of the applied part are connected together. Physical contact of the electrodes with patient’s body
during normal use is essential for the device to perform its function.
The specification of the leads, along with the location of the output sockets is described in detail in the chapter
5.1. The appropriate symbol of the BF type applied part is placed on the sockets label.

4. Operational safety
User Manual – PhysioGo.Lite Electro page 14 / 96
Essential performance
For the PhysioGo.Lite Electro device, the essential performance means the generation of current and voltage
signals with frequencies, shapes and amplitudes corresponding to the waveforms recognized and used in this
therapy. Unidirectional (unipolar) and / or bidirectional (bipolar) currents are available.
The device meets the requirements of IEC 60601-2-10 standard, which specifies:
•maximum amplitudes of the output currents depending on the frequency of the waveform,
•permissible pulse energy,
•duty factor, pulse frequencies and amplitude tolerances.
4.8.1 Test of essential performance and basic safety
The user of unit must perform technical inspection of the unit at year’s intervals. The inspection must be
performed by a unit authorized by the manufacturer. The inspection is performed at the user’s expense.
Table 4.2. Essential performance and basic safety testing recommendations
Test item Method of checking Acceptance criteria Required measuring
equipment
Safety test:
•patient leakage current
measurement,
•touch current measurement,
•insulation resistance if
necessary
The manufacturer allows
the methods compliant
with the requirements of
the standards:
•IEC 60601-1
•
IEC 62353
The measurement results are
within the limits specified by
the applied standard
Safety tester meeting
the:
•IEC 60601-1
•IEC 62353
requirements
Control of correctness of the
performed self-test
Visual inspection No errors No requirements
Evaluation of keyboard function
and operation
Manual and visual
inspection
The keys respond properly to
pressure
No requirements
Evaluation of touchscreen
function and operation
Manual and visual
inspection
The touch panel responds
correctly to pressing
No requirements
Inspection of the controller
condition for casing defects and
damage of sockets
Visual inspection
No deformation or cracks of
the casing
No requirements
Undamaged sockets
No loosened sockets
Inspection of the patient cables
and connectors Visual inspection
No tear and bending of cable
insulation
No requirements
Undamaged connector
Inspection of the SMPS condition
for casing defects and damage of
interconnecting cables and
connectors
Visual inspection
No deformation or cracks of
the casing
No requirements
No tear and bending of cable
insulation
Undamaged connector
Verification the accuracy of
current and voltage amplitudes
The manufacturer
recommends to apply
methods compliant with
the requirements of the
IEC 60601-2-10 standard
Accuracy of time / frequency
parameters and the amplitude
is within ±20% tolerance
Oscilloscope, digital
multimeter, 500 Ω
reference resistor
Open circuit detection Visual inspection
Triggering of a bad contact
message in both channels
No requirements
The inspection must also include control over the quality of applied accessories and treatment materials.
Positive result of the technical inspection confirms that basic safety and essential performance is maintained.

4. Operational safety
page 15 / 96 Issue date 18.05.2021, rev. 1.0
Disposal
In case, when the disposal of the unit will become necessary (e.g. after elapse of its service life), please contact
the manufacturer or manufacturer representative, which must react in an appropriate way i.e. collecting the unit
from the user. The user may also contact companies specialized in removal and/or disposal of electrical devices
or computer equipment. Under no circumstances should you place the unit along with other wastes. The name
plate includes an appropriate symbol (see Appendix at the end of the User Guide).
The unit is marked with an appropriate symbol complying with the directive on waste electrical and electronic
equipment (WEEE) – see table with description of the symbols used to label the product presented in Appendix
A.

5. Unit description
User Manual – PhysioGo.Lite Electro page 16 / 96
5. Unit description
General characteristics
Electrotherapy unit PhysioGo.Lite Electro is a highly specialized medical device based on modern microprocessor
platform.
The unit has a plastic console casing. It is equipped with a color touch LCD display with a diagonal of 12,7 cm (5’’).
On the rear side of the casing are located:
•power switch,
•fuse socket,
•mains socket,
•sockets for connection of patient’s cables.
General view of the unit is presented in Figure 5.1, view of the rear panel in Figure 5.2.
Figure 5.1 General view
Figure 5.2 Unit rear panel view

5. Unit description
page 17 / 96 Issue date 18.05.2021, rev. 1.0
Front panel
Arrangement of front panel components is shown in Figure 5.3.
Figure 5.3 Arrangement of front panel components
Table 5.1 Description of front panel components
Symbol Description Function
1. Liquid crystal display
The unit is equipped with a touch-sensitive display. The screen clearly
displays all information related to the device operation.
2.
Operation status and
battery level indicators
See 5.2.1.
3. Turn ON/OFF key
(STANDBY)
This key is marked with the symbol .
In order to activate the unit in the case of battery operation, please
hold on for at least 5 seconds. Extension of the holding time prevents
unintentional activation during transport.
4. Edit keys
These keys are marked with symbols .
Pressing any of them results in change of value of edited parameter or
setting in setup mode.
Keep holding the key down to change a parameter quicker.
5. START/STOP key
This key is marked with the symbol .
It is used with the sequence of starting emission. Its pressing, after
setting of treatment procedure parameters starts emission.
Pressing of this key once again stops the treatment procedure. The
emission of signal is stopped.

5. Unit description
User Manual – PhysioGo.Lite Electro page 18 / 96
5.2.1 Operation status and battery level indicators
Symbols and description of unit operation status signaled by LED indicators are summarized in the table below.
Table 5.2. Non-battery unit
Symbol
Color
Indicator status
Mains switch
Explanation
Operation
status
indicator
Green
No light OFF („0”)
The unit is turned off.
Turning ON:
•Turn the mains switch on
•
Press the STANDBY key
Blinks ON („1”)
Unit is in standby mode.
Turning ON:
•Press the STANDBY key
Steady light ON („1”) The unit is ready for operation.
Battery
level
indicator
Yellow No light --- No battery.
Table 5.3. Unit equipped with battery
Symbol Color
Indicator status
Mains switch Explanation
Readiness
Battery
Green
Yellow
No light No light OFF („0”)
The unit is turned off.
Turning ON:
•Turn the mains switch on
•Press the STANDBY key
Blinks
slowly No light
ON („1”)
Mains cable
connected
Unit is in standby mode. Battery is
fully charged.
Turning ON:
•
Press the STANDBY key
Blinks
slowly Blinks slowly
ON („1”)
Mains cable
connected
Unit is in standby mode. Battery is
being charged.
Turning ON:
•
Press the STANDBY key
Steady light Blinks slowly
ON („1”)
Mains cable
connected
The unit is turned on.
Battery is being charged.
Steady light No light
ON („1”)
Mains cable
connected
The unit is turned on.
Battery is fully charged.
No light Steady light
ON („1”)
Mains cable
disconnected
Unit is running on battery supply.
Table 5.4. Additional information about battery indicator
Symbol
Color
Battery indicator status
Explanation
Yellow
Blinks fast for 4 seconds
Battery module has been disconnected.
3 pulses
Battery low.
5 pulses
Battery error. Turn the unit off using STANDBY key and
switch the power switch off. Restart it after 10 seconds.
If the problem repeats, contact your authorized service.

5. Unit description
page 19 / 96 Issue date 18.05.2021, rev. 1.0
Battery installation
PhysioGo.Lite Electro can be optionally fitted with a battery. Users can install the battery by themselves.
WARNING: Before performing the below actions, turn the device power off and disconnect the SMPS from the
mains.
The battery assembly method is illustrated in the following figures.
Figure 5.4 The battery installation method
Table 5.5. The battery installation method
Action no.: Description
1.
Turn the device over.
Unscrew four battery cover screws.
Remove the stabilizing cartridge. Keep it for further use.
2. Connect battery cable to the battery socket.
3. Place the battery in the enclosure.
4.
Reinstall battery cover by means of 4 screws.
Turn the device over to its normal position. Connect power supply to the mains. Switch
on the unit and check If it starts correctly.
The above information is summarized on labels placed on the battery cover.
Name plate
The name plate is located on the bottom of unit casing. Among others there are following data on the name plate
(see Appendix A):
•device version,
•serial number,
•nominal voltage and frequency of operation,
•type of applied fuses,
•manufacturer's data.

5. Unit description
User Manual – PhysioGo.Lite Electro page 20 / 96
Current and voltage stabilization – CC and CV mode
In the range of electrotherapy, the unit may be operated in one of two modes:
•CC mode (constant current) – when output current is stabilized,
•CV mode (constant voltage) – when output voltage is stabilized.
In CC mode the current in patient’s circuit is independent (within certain limits) from the resultant of resistance
of skin, tissues, electrodes (with moist pads) and cables. Effective operation of the unit for very high resistance
is possible due to its structure. At the maximum current value of 140 mA, stabilization within a full range
of current intensity regulation is provided for resistance values from 500 to 750 Ω. For higher values of resistance,
the maximum obtainable current intensity is lower. It means that increasing on the keyboard current intensity
over the limiting value does not result in further increase of current in the output circuit. This will be signaled by
the blinking electrodes symbol and at the end of the treatment the information about poor contact of electrodes
will be shown on the display (see section 5.6.2). In the case, when resistance is too high (e.g. used electrodes,
electrode viscose pads are not moistened enough), the information about high resistance in the patient circuit
will be shown on the display (see 5.6.1).
In CV mode, the voltage generated by the unit, which value is set up on the keyboard, is spread out (according
to Kirchhoff voltage law) between the unit’s output resistance and resistance of a load. Rough diagram
of operation system in CV mode for one channel is presented in Figure 5.5.
Figure 5.5. Rough diagram of the output circuit of the unit working in CV mode (one channel)
Symbols used in figure:
−E – the value of output voltage – set on the keyboard
−Uout – drop of the voltage on unit’s output resistance
−Rout – unit’s output resistance
−UL– load voltage
−RL– load resistance
The value of voltage in the patient’s circuit depends on the quotient of unit’s output resistance by the resultant
of resistance of skin, tissues, electrodes (with moist pads) and cables. During the unit operation, on the display
there are shown the internal settings and voltage value in patient’s circuit.
It is recommended to use CV mode while performing non-stationary treatment procedures, e.g. combination
therapy of current and ultrasounds or using the point electrodes. A momentary loss of contact between
the electrode and patient’s body does not result in interruption of treatment procedure, contrary to CC mode.
The calibration settings for CC mode are being defined with the load which has a resistance of 500 Ω.
The calibration settings for CV mode are being entered in the idle operation mode of the unit.