Norav Medical NECG-12C User manual

Operating Manual for the
Electrocardiograph
Norav NECG-12C
Version 1.2.1
Part-No.: NV-54/NECG-12C

About this Manual
P/N: NV-54/NECG-12C
Release Date: July 2020
© Copyrig t NORAV MEDICAL GMBH, 2014-2017. All rig ts reserved.
Statement
T is manual will elp you understand t e operation and maintenance of t e product better. It is
reminded t at t e product s all be used strictly complying wit t is manual. User’s operation
failing to comply wit t is manual may result in malfunction or accident for w ic NORAV
MEDICAL ( ereinafter called NORAV MEDICAL) cannot be eld liable.
NORAV MEDICAL owns t e copyrig ts of t is manual. Wit out prior written consent of
NORAV MEDICAL, any materials contained in t is manual s all not be p otocopied, reproduced
or translated into ot er languages.
Materials protected by t e copyrig t law, including but not limited to confidential information
suc as tec nical information and patent information are contained in t is manual, t e user s all
not disclose suc information to any irrelevant t ird party.
T e user s all understand t at not ing in t is manual grants im, expressly or implicitly, any
rig t or license to use any of t e intellectual properties of NORAV MEDICAL.
NORAV MEDICAL olds t e rig ts to modify, update, and ultimately explain t is manual.
Responsibility of the Manufacturer
NORAV MEDICAL only considers itself responsible for any effect on safety, reliability and
performance of t e equipment if:
Assembly operations, extensions, re-adjustments, modifications or repairs are carried out by
persons aut orized by NORAV MEDICAL, and
T e electrical installation of t e relevant room complies wit national standards, and
T e instrument is used in accordance wit t e instructions for use.
Upon request, NORAV MEDICAL may provide, wit compensation, necessary circuit diagrams,
and ot er information to elp qualified tec nician to maintain and repair some parts, w ic
NORAV MEDICAL may define as user serviceable.

Terms Used in this Manual
T is guide is designed to give key concepts on safety precautions.
WARNING
A WARNING label advises against certain actions or situations t at could result in personal
injury or deat .
CAUTION
A CAUTION label advises against actions or situations t at could damage equipment, produce
inaccurate data, or invalidate a procedure.
NOT : A NOTE provides useful information regarding a function or a procedure.
NORAV Medical GmbH
Marketing Aut orization Holder:
Norav Medical GmbH
Christof-Ruthof-Weg 10
55252 Main -Kastel
Germany
Telephone: [phone]
Faximile: [phone]
E-Mail: [e-mail]

Table of Contents
Chapter 1: Safety Guidance ...................................................................................................... 1
1.1 Intended Use/Indications for Use ....................................................................................... 1
1.2 Warnings and Cautions ....................................................................................................... 1
1.2.1 Safety Warnings ........................................................................................................... 1
1.2.2 Li-ion Battery Care Warnings ...................................................................................... 4
1.2.3 General Cautions ......................................................................................................... 5
1.3 List of Symbols .................................................................................................................. 6
Chapter 2: Introduction .......................................................................................................... 10
2.1 Top Panel ......................................................................................................................... 10
2.2 Keyboard and Keys ...........................................................................................................11
2.3 Rear Panel ........................................................................................................................ 13
2.4 Rig t Panel ...................................................................................................................... 14
2.5 Bottom Panel ................................................................................................................... 17
2.6 Function Features ............................................................................................................. 18
Chapter 3: Operation Preparations ........................................................................................ 20
3.1 Connecting t e Patient Cable to t e Electrocardiograp and Electrodes ............................ 20
3.1.1 Connecting t e Patient Cable to t e Electrocardiograp ............................................. 20
3.1.2 Connecting t e Patient Cable to Electrodes ................................................................ 21
3.2 Preparing t e Patient ........................................................................................................ 21
3.2.1 Instructing t e Patient ................................................................................................ 21
3.2.2 Preparing t e Skin ..................................................................................................... 22
3.3 Attac ing Electrodes to t e Patient ................................................................................... 22
3.3.1 Electrode Placement .................................................................................................. 22
3.3.2 Attac ing t e Reusable Electrodes ............................................................................. 24
3.3.2.1 Attac ing t e Limb Electrodes ............................................................................. 24
3.3.2.2 Attac ing t e C est Electrodes ............................................................................ 25
3.3.3 Attac ing t e Disposable Electrodes .......................................................................... 26
3.4 Inspection Before Power-On ............................................................................................ 26
3.5 Turning On/Off t e Electrocardiograp ............................................................................ 27
3.6 Loading/Replacing Recorder Paper .................................................................................. 29
Chapter 4: Basic Operation Guidance ................................................................................... 32
4.1 Navigation Tips ................................................................................................................ 32
4.1.1 Selecting Menu Functions .......................................................................................... 32
4.1.2 Entering Data ............................................................................................................. 33
4.1.3 Selecting an Item ....................................................................................................... 34
4.2 Configuring t e Electrocardiograp ................................................................................. 34
4.3 Screen Description ........................................................................................................... 35
4.3.1 About t e Main Screen............................................................................................... 35
4.3.2 About t e System Setup Screen .................................................................................. 38

4.3.3 About t e File Manager Screen .................................................................................. 38
4.4 Work Mode Description ................................................................................................... 41
Chapter 5: ntering Patient Information............................................................................... 42
5.1 Entering Patient Information Manually ............................................................................ 42
5.2 Entering Patient Information by Using a Bar Code Reader (Optional) .............................. 43
Chapter 6: Printing CG Reports .......................................................................................... 44
6.1 Printing an ECG Report ................................................................................................... 44
6.1.1 Auto Mode ................................................................................................................. 44
6.1.2 Manual Mode ............................................................................................................ 45
6.1.3 R yt m Mode ............................................................................................................ 46
6.1.4 R-R Analysis Mode.................................................................................................... 47
6.1.5 Review Printing ......................................................................................................... 48
6.2 Copy Printing ................................................................................................................... 48
6.3 Freezing ECG Waves ....................................................................................................... 49
6.4 Printing a Stored ECG Report .......................................................................................... 50
6.4.1 Printing on t e File Manager Screen1/2 ..................................................................... 50
6.4.2 Printing on t e Preview Screen .................................................................................. 50
6.5 Sample ECG Reports ....................................................................................................... 51
6.5.1 ECG Reports in t e Auto Mode.................................................................................. 51
6.5.2 ECG Reports Printed by t e USB Printer ................................................................... 55
Chapter 7: Transmitting CG Data ....................................................................................... 56
7.1 Transmitting ECG Data to t e PC..................................................................................... 56
7.1.1 Transmitting ECG Data in DAT Format t roug Et ernet Cable ................................ 57
7.1.2 Transmitting ECG Data in SCP/FDA-XML/PDF Format t roug Et ernet Cable ...... 59
Chapter 8: Managing Files ..................................................................................................... 60
8.1 Transmitting Files ............................................................................................................ 61
8.2 Exporting Files................................................................................................................. 61
8.3 Deleting Files ................................................................................................................... 62
8.4 Searc ing Files................................................................................................................. 62
8.5 Importing Files................................................................................................................. 63
8.6 Editing Patient Information .............................................................................................. 63
8.7 Printing Files.................................................................................................................... 63
8.8 Previewing a File ............................................................................................................. 64
Chapter 9: System Setup ......................................................................................................... 65
9.1 Factory Defaults ............................................................................................................... 65
9.2 Work Mode Setup ............................................................................................................ 69
9.3 Filter Setup ...................................................................................................................... 71
9.4 Record Info Setup ............................................................................................................ 72
9.4.1 Setup 1 ...................................................................................................................... 72
9.4.2 Setup 2 ...................................................................................................................... 77

9.5 Patient Information Setup ................................................................................................. 78
9.6 Transmission Setup .......................................................................................................... 80
9.7 Lead Setup ....................................................................................................................... 81
9.8 Display&Sound Setup ...................................................................................................... 82
9.9 Date&Time Setup ............................................................................................................ 84
9.10 File Setup ....................................................................................................................... 85
9.11 System Maintenance Setup ............................................................................................. 87
9.12 Ot er Setup .................................................................................................................... 88
Chapter 10: Hint Information ................................................................................................ 90
Chapter 11: Troubleshooting .................................................................................................. 91
Chapter 12: Cleaning, Care and Maintenance ....................................................................... 95
12.1 Cleaning ......................................................................................................................... 95
12.1.1 Cleaning t e Main Unit and t e Patient Cable .......................................................... 95
12.1.2 Cleaning t e Reusable Electrodes ............................................................................ 95
12.1.3 Cleaning t e Print Head ........................................................................................... 96
12.2 Disinfection ................................................................................................................... 96
12.3 Care and Maintenance .................................................................................................... 96
12.3.1 Rec arge and Replacement of Battery ...................................................................... 97
12.3.2 Recorder Paper ........................................................................................................ 98
12.3.3 Visual inspection ...................................................................................................... 98
12.3.4 Maintenance of t e Main Unit and t e Patient Cable ................................................ 99
Chapter 13: Accessories ........................................................................................................ 101
13.1 Standard Accessories .................................................................................................... 101
13.2 Optional Accessories .................................................................................................... 101
Chapter 14: Warranty & Service .......................................................................................... 103
14.1 Warranty ...................................................................................................................... 103
14.2 Contact information ..................................................................................................... 103
Appendix 1: Technical Specifications ................................................................................... 104
Appendix 2: MC Information ............................................................................................ 108
Appendix 3: Abbreviation ...................................................................................................... 113

NECG-12C Electrocardiograph User Manual Safety Guidance
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Chapter 1: Safety Guidance
T is c apter provides important safety information related to t e use of t e 12-c annel
electrocardiograp .
1.1 Intended Use/Indications for Use
T e intended use of NECG-12C 12-c annel electrocardiograp ( ereinafter called NECG-12C) is
to acquire ECG signals from adult and pediatric patients t roug body surface ECG electrodes.
T e electrocardiograp is only intended to be used in ospitals or ealt care facilities by doctors
and trained ealt care professionals. T e cardiogram recorded by t e electrocardiograp can elp
users to analyze and diagnose eart disease. However, t e interpreted ECG wit measurements
and interpretive statements is offered to clinicians on an advisory basis only.
WAR I G
1. This equip ent is not designed for internal use or direct cardiac application.
2. This equip ent is not intended for ho e use.
3. This equip ent is not intended for treat ent or onitoring.
4. This equip ent is intended for use on adult and pediatric patients only.
5. The results given by the equip ent should be exa ined based on the overall clinical
condition of the patient, and they can not substitute for regular checking.
1.2 Warnings and Cautions
In order to use t e electrocardiograp safely and effectively, and avoid possible dangers caused
by improper operation, please read t roug t e user manual and be sure to be familiar wit all
functions of t e equipment and proper operation procedures before use.
Please pay more attention to t e following warning and caution information.
1.2.1 Safety Warnings
WAR I G
1. The electrocardiograph is intended to be used by qualified physicians or personnel
professionally trained. They should be fa iliar with the contents of this user anual
before operation.

NECG-12C Electrocardiograph User Manual Safety Guidance
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WAR I G
2. Only qualified service engineers can install this equip ent, and only service
engineers authorized by the anufacturer can open the shell. Otherwise, safety
hazards ay happen.
3. EXPLOSIO HAZARD - Do not use the electrocardiograph in the presence of
fla able anesthetic ixtures with oxygen or other fla able agents.
4. SHOCK HAZARD - The power receptacle ust be a hospital grade grounded outlet.
Never try to adapt the three-prong plug to fit a two-slot outlet. This equip ent ust
only be connected to a supply ains with protective earth.
5. Make sure that the power is turned off and the power cord is disconnected fro the
AC socket before connecting or disconnecting equip ent. Otherwise, electrical shock
or other injuries ay happen to the patient or operator.
6. If the integrity of the external protective conductor is in doubt, the equip ent should
be powered by an internal li-ion rechargeable battery.
7. Do not use this equip ent in the presence of high static electricity or high voltage
equip ent which ay generate sparks.
8. Only the patient cable and other accessories supplied by the anufacturer can be
used. Or else, the perfor ance and electric shock protection can not be guaranteed.
9. Make sure that all electrodes are connected to the patient correctly before operation.
10. Ensure that the conductive parts of electrodes and associated connectors, including
neutral electrodes, do not co e in contact with earth or any other conducting objects.
11. Disposable electrodes ust be used during defibrillation.
12. Electrodes of dissi ilar etals should not be used; otherwise it ay cause a high
polarization voltage.
13. The disposable electrodes can only be used for one ti e.
14. The electrocardiograph has been safety tested with the reco ended accessories,
peripherals, and leads, and no hazard is found when the electrocardiograph is
operated with cardiac pace akers or other sti ulators.
15. Do not touch the patient, bed, table or the equip ent while using the ECG together
with a defibrillator.
16. Do not touch accessible parts of non- edical electrical equip ent and the patient
si ultaneously.

NECG-12C Electrocardiograph User Manual Safety Guidance
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WAR I G
17. The use of equip ent that applies high frequency voltages to the patient (including
electrosurgical equip ent and so e respiration transducers) is not supported and
ay produce undesired results. Disconnect the patient data cable fro the
electrocardiograph, or detach the leads fro the patient prior to perfor ing any
procedure that uses high frequency surgical equip ent.
18. Fix attention on the exa ination to avoid issing i portant ECG waves.
19. SHOCK HAZARD - Don’t connect non- edical electrical equip ent, which has been
supplied as a part of the syste , directly to the wall outlet when the non- edical
equip ent is intended to be supplied by a ultiple portable socket-outlet with an
isolation transfor er.
20. SHOCK HAZARD - Don’t connect electrical equip ent, which has not been supplied
as a part of the syste , to the ultiple portable socket-outlet supplying the syste .
21. Do not connect any equip ent or accessories that are not approved by the
anufacturer or that are not IEC/EN 60601-1-1 approved to the electrocardiograph.
The operation or use of non-approved equip ent or accessories with the
electrocardiograph is not tested or supported, and electrocardiograph operation and
safety are not guaranteed.
22. Any non- edical equip ent (such as the external printer) is not allowed to be used
within the patient vicinity (1.5 /6ft.).
23. Do not exceed the axi u per itted load when using the ultiple portable
socket-outlet(s) to supply the syste .
24. Multiple portable socket-outlets shall not be placed on the floor.
25. Do not use the additional ultiple portable socket-outlet or extension cord in the
edical electrical syste , unless it’s specified as part of the syste by anufacturer.
And the ultiple portable socket-outlets provided with the syste shall only be used
for supplying power to equip ent which is intended to for part of the syste .
26. Accessory equip ent connected to the analog and digital interfaces ust be certified
according to the respective IEC/EN standards (e.g. IEC/EN 60950 for data processing
equip ent and IEC/EN 60601-1 for edical equip ent). Further ore all
configurations shall co ply with the valid version of the standard IEC/EN 60601-1-1.
Therefore anybody, who connects additional equip ent to the signal input or output
connector to configure a edical syste , ust ake sure that it co plies with the
require ents of the valid version of the syste standard IEC/EN 60601-1-1. If in
doubt, consult our technical service depart ent or your local distributor.

NECG-12C Electrocardiograph User Manual Safety Guidance
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WAR I G
27. Parts and accessories used ust eet the require ents of the applicable IEC/EN
601 series safety standards, and/or the syste configuration ust eet the
require ent of the IEC/EN 60601-1-1 edical electrical syste s standard.
28. Connecting any accessory (such as external printer) or other device (such as the
co puter) to this electrocardiograph akes a edical syste . In that case, additional
safety easures should be taken during installation of the syste , and the syste
shall provide:
a) Within the patient environ ent, a level of safety co parable to that provided by
edical electrical equip ent co plying with IEC/EN 60601-1, and
b) Outside the patient environ ent, the level of safety appropriate for non- edical
electrical equip ent co plying with other IEC or ISO safety standards.
29. If ultiple instru ents are connected to a patient, the su of the leakage currents
ay exceed the li its given in the IEC/EN 60601-1 and ay pose a safety hazard.
Consult your service personnel.
30. The potential equalization bar can be connected to that of other equip ent when
necessary. Make sure that all the equip ent is connected to the potential equalization
ter inal.
31. The electrocardiograph shall not be serviced or aintained while in use with a patient.
32. The appliance coupler or ains plug is used as isolation eans fro supply ains.
Position the electrocardiograph in a location where the operator can easily access the
disconnection device.
1.2.2 Li-ion Battery Care Warnings
WAR I G
1. I proper operation ay cause the internal li-ion battery (hereinafter called battery) to
be hot, ignited or exploded, and it ay lead to the decrease of the battery capacity. It
is necessary to read the user anual carefully and pay ore attention to warning
essages.
2. Only qualified service engineers authorized by the anufacturer can open the battery
co part ent and replace the battery, and batteries of the sa e odel and
specification should be used.
3. DA GER OF EXPLOSIO -- Do not reverse the anode and the cathode when
installing the battery.

NECG-12C Electrocardiograph User Manual Safety Guidance
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WAR I G
4. Do not heat or splash the battery or throw it into fire or water.
5. Do not destroy the battery; Do not pierce battery with a sharp object such as a needle;
Do not hit with a ha er, step on or throw or drop to cause strong shock; Do not
disasse ble or odify the battery.
6. When leakage or foul s ell is found, stop using the battery i ediately. If your skin or
cloth co es into contact with the leakage liquid, cleanse it with clean water at once. If
the leakage liquid splashes into your eyes, do not wipe the . Irrigate the with clean
water first and go to see a doctor i ediately.
7. Properly dispose of or recycle the depleted battery according to local regulations.
8. Only when the device is off can the battery be installed or re oved.
9. Re ove the battery fro the electrocardiograph when the electrocardiograph isn’t
used for a long ti e.
10. If the battery is stored alone and not used for a long ti e, we reco end that the
battery be charged at least once every 6 onths to prevent overdischarge.
1.2.3 General Cautions
CAUTIO
1. Avoid liquid splash and excessive te perature. The te perature ust be kept
between 5 ºC and 40 ºC during operation, and it should be kept between -20 ºC and
55 ºC during transportation and storage.
2. Do not use the equip ent in a dusty environ ent with bad ventilation or in the
presence of corrosive.
3. Make sure that there is no intense electro agnetic interference source around the
equip ent, such as radio trans itters or obile phones etc. Attention: large edical
electrical equip ent such as electrosurgical equip ent, radiological equip ent and
agnetic resonance i aging equip ent etc. is likely to bring electro agnetic
interference.
4. Ruptured fuse ust only be replaced with that of the sa e type and rating as the
original.

NECG-12C Electrocardiograph User Manual Safety Guidance
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CAUTIO
5. The device and accessories are to be disposed of according to local regulations after
their useful lives. Alternatively, they can be returned to the dealer or the anufacturer
for recycling or proper disposal. Batteries are hazardous waste. Do NOT dispose of
the together with house-hold garbage. At the end of their lives hand the batteries
over to the applicable collection points for the recycling of waste batteries. For ore
detailed infor ation about recycling of this product or battery, please contact your
local Civic Office, or the shop where you purchased the product.
6. Federal (U.S.) law restricts this device to sale by or on the order of a physician.
1.3 List of Symbols
o. Symbol Description
1 External output
2 External input
3
Equipment or part of CF type wit defibrillator
proof
4 Caution
5 Consult Instructions for Use
6 Potential equalization
7 Patient Cable Socket
8 SD Card port
9 USB port

NECG-12C Electrocardiograph User Manual Safety Guidance
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10
Net port
11 Mains supply
12 Battery indicator
13 Battery rec arging indicator
14 Enter key
15 Delete key
16 Esc key
17 RESET key
18 S ift key
19 Fn key
20 Power On/Off key
21 1mV/COPY key
22 MODE key
23 PRINT/STOP key
24 Tab key
25 FEED Paper key

NECG-12C Electrocardiograph User Manual Safety Guidance
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26 Lead switc key/LEFT/RIGHT Arrow key
27 UP/DOWN Arrow key
28 REVIEW key
29 Gender key
30 Age Group key
31 Recycle
32 Part Number
33 Serial Number
34 Date of Manufacture
35 Manufacturer
36
Aut orized Representative in t e European
Community
37
T e symbol indicates t at t e device complies
wit t e European Council Directive
93/42/EEC concerning medical devices.
38
Federal (U.S.) law restricts t is device to sale
by or on t e order of a p ysician.
39
Disposal met od
2797

NECG-12C Electrocardiograph User Manual Safety Guidance
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40
 Refer to User Manual
 Consult instruction for use on t is CD
(Background: Blue; Symbol: W ite)
41
Warning
(Background: Yellow; Symbol&Outline:
Black)
42
Non- ionizing electromagnetic radiation
43* Contains FCC ID:
YOPGS2011MIZ
Federal Communications Commission:
Contains FCC ID: YOPGS2011MIZ
OTE:
1. * Applicable to the Electrocardiograph configured with WIFI odule.
2. The user anual is printed in black and white.

NECG-12C Electrocardiograph User Manual Introduction
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Chapter 2: Introduction
NECG-12C gat ers ECG signals of 12 leads simultaneously. It displays t e operation menu, ECG
parameters as well as electrocardiograms.
T e 12-c annel ECG waves can be viewed on t e LCD screen and printed out by using a
ig -quality t ermal recorder. T e sampled ECG data can be saved, transmitted and exported.
T e manual, auto, r yt m, R-R analysis or off mode can be c osen freely.
NECG-12C can be powered by t e mains supply or t e battery.
Wit a ig resolution t ermal recorder, a 32-bit processor and a large-capacity memorizer,
NECG-12C as advanced performance and ig reliability. T e compact size makes it suitable
for clinic and ospital uses.
NECG-12C adopts 800×480 multicolor LCD screen.
Configuration: main unit, power cord, patient cable, c est electrodes, limb electrodes, disposable
electrodes, alligator clips, t ermal recorder paper, fuses, battery.
OTE: The pictures and windows in this anual are for reference only.
2.1 Top Panel
Figure 2-1 NECG-12C

NECG-12C Electrocardiograph User Manual Introduction
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Symbol
Name xplanation
A Mains supply
indicator
W en t e device is powered by t e mains supply,
t is indicator is lit.
B Battery indicator W en t e device is powered by t e battery, t is
indicator is lit.
C Battery rec arging
indicator
W en t e device is powered on, t e indicator
flas es for a few seconds.
W en t e battery is being rec arged, t is indicator
is lit.
2.2 Keyboard and Keys
Figure 2-2 NECG-12C Keyboard
E
A
B
C
L K J I H F
D
Q
O
P
N
M
G
R

NECG-12C Electrocardiograph User Manual Introduction
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Name xplanation
A Function Key Press to select menu functions on t e screen.
B Gender Key Press to select t e gender for t e patient w en Gender is
selected in t e Patient Information Setup window.
C Age Group Key Press to select t e age group on t e main screen w en you set
Age to Age Group in t e Patient Information Setup window.
D Delete Press to erase c aracters.
E Enter Press to confirm operation.
F Arrow Keys
Moving t e cursor (Up, Down, Left, Rig t).
In t e manual mode, press t e Left or Rig t arrow to switc
among t e lead groups.
Pressing Shift + Up/Down can turn pages on t e Order
Manager screen and t e File Manager screen.
G REVIEW
10s ECG data sampled before pressing t e R VI W key will
be printed out in t e AUTO mode.
OTE: The syste will not respond to the REVIEW key
unless 10s data has been collected on the ain screen.
H PRINT/STOP Press to start or stop printing reports
I 1mV/COPY
In t e manual mode, pressing t e 1mV/COPY key can insert a
1mV calibration mark in t e printing course.
In t e auto or r yt m mode, pressing t e 1mV/COPY key can
print t e ECG report w ic was printed out last time.
J RESET
Press to reset t e baseline.
OTE: A large polarization voltage ay cause baseline
drift. On the ain screen, pressing the RESET key can
decrease the polarization voltage and draw the baseline to
zero quickly.
K FEED Paper
W en t e main screen, t e freezing screen, t e File Manager
screen1/2 or t e preview screen is displayed, if Paper Marker
is set to Yes, you can press t e F D key to advance t e
recorder paper to t e next black marker; if Paper Marker is set
to No, you can press t e F D key to advance t e paper for
2.5cm. Press t e F D key again to stop advancing t e paper.

NECG-12C Electrocardiograph User Manual Introduction
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L MODE
Press to select a working mode among t e auto, manual,
r yt m, R-R analysis and off modes.
OTE: Only if a working ode is selected in the Work
Mode Setup window, can the working ode be selected
by pressing the MODE key when the ain screen is
displayed.
M Space Press to add a space between typed c aracters or select/deselect
a c eckbox
N S ift
Press S ift and a numeric key to input t e special c aracter in
t e top left corner of t e key.
If Caps Lock is set to Off, pressing S ift + P can type a capital
P.
If Caps Lock is set to On, pressing S ift + P can type a
lowercase p.
O Tab
Press to move t e cursor.
Pressing Tab can move t e cursor forward, and pressing Shift +
Tab can move t e cursor backward.
P Fn Press Fn and a letter key to type special c aracters.
Pressing Fn + a can type è.
Q Esc Press to cancel operation or return to t e previous screen.
R Power On/Off Power-on/Power-off
2.3 Rear Panel
Figure 2-3 NECG-12C Rear Panel
A
B
D
C
E

NECG-12C Electrocardiograph User Manual Introduction
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Name xplanation
A Potential Equalization
Conductor
Potential equalization conductor provides a
connection between t e unit and t e potential equalization
bus bar of t e electrical installation.
B Mains Supply Socket AC SOURCE: alternating current supply socket
C Handle Part for people to old
D Heat Emission Hole Pat for internal eat emission
E Fuse T e specification is: T3.15AH 250V Ø5×20
2.4 Right Panel
Figure 2-4 NECG-12C Right Panel
Name xplanation
A Patient Cable Socket Connecting to t e patient cable
B SD Card Socket Connecting to SD card
C USB Socket 1/2
Standard USB Host socket, connecting to a U disk,
a bar code reader or a USB printer recommended by
t e manufacturer
D USB Socket 3 Standard USB Device socket, connecting to a PC.
E External Input / Output Socket Connecting to t e external signal device
F Net port Standard net port, connecting to a PC
C
A E
F
C
B D