Instructions To User

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User Manual for Easy ECG Monitor
I
Instructions to User
Dear Customer,
Thank you for purchasing this product. Please read the manual very carefully before
using this device.
These instructions describe the operating procedures to be followed strictly. Failure
to follow these instructions may cause measuring abnormality, device damage, or
personal injury.
The Manual is published in English and we have the ultimate right to explain the
Manual. No part of this manual may be photocopied, reproduced or translated into
another language without the prior written consent. We reserve the right to improve
and amend it at any time without prior notice.
Version of This Manual: Ver1.0
Revised date: September 25, 2013
All rights reserved.
3502-3430019
User Manual for Easy ECG Monitor
II
Announcement
Information furnished by the manufacturer is believed to be accurate and reliable.
However, no responsibility is assumed by us for its use, or any infringements of
patents or other rights of third parties that may result from its use.
Declaration of Conformity:
We hereby declares that this device complies with the following standards:
IEC 60601-1
IEC 60601-1-2
and follows the provisions of the Council Directive MDD 93/42/EEC.
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WARNING
1. Check the device to make sure that there is no visible damage that may affect
user’s safety and measurement performance. Stop using the unit, when there is
obvious damage.
2. Do NOT make diagnosis oneself by the measurement and measurement results,
always consult the doctor if abnormal information is presented frequently.
3. It is NOT designed or intended for medical diagnosis.
4. WARNING-PACEMAKER PATIENTS – Heart rate meters may continue to
count the pacemaker rate during occurrences of cardiac arrest or some
arrhythmias. Do not rely entirely upon heart rate meter ALARMS. Keep
pacemaker patients under close surveillance. See this manual for disclosure of the
pacemaker pulse rejection capability of this manual.
5. Do NOT use the device in the bathroom or moist circumstance.
6. Do NOT use if you carry a cardiac pacemaker.
7. Do NOT operate in the environment where strong electro-magnetic interference
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exists.
8. The device is not equipped with detachable parts, the user should NOT take its
shell apart without permission.
9. Connect/Disconnect data cable to the monitor gently and carefully, do NOT
wring or shake the data cable plug with force to insert into or unplug from data
interface port, or the data interface port may be damaged.
10. All the parts of the monitor should NOT be replaced at will. If necessary, please
use the components provided by the manufacturer or those that are of the same
model and standards as the accessories along with the monitor which are
provided by the same factory, otherwise, negative effects concerning safety and
biocompatibility etc. may be caused.
11. Necessary service must be performed by qualified service engineers ONLY.
12. In case of ECG leads damage or aging, please replace the lead.
13. Electric parts of electrodes, leads and cable are forbidden to contact any other
conductive parts (including the ground).
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14. Use only one type of electrode on the same patient to avoid variations in
electrical resistance. It is strongly recommended to use silver/silver chloride
electrodes to ensure accurate measurement result.
15. When disposing of the device and its accessories, the local law should be
followed.
Caution: U.S. federal law restricts this device to sale by or on the order
of a physician.
User Manual for Easy ECG Monitor
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Table of Contents
1 OVERVIEW...........................................................................................................1
1.1 APPEARANCE...................................................................................................1
1.2 NAME AND MODEL..........................................................................................3
1.3 STRUCTURE......................................................................................................3
1.4 FEATURES........................................................................................................3
1.5 INTENDED USE.................................................................................................4
1.6 OPERATING ENVIRONMENT............................................................................5
2 INSTALLATION...................................................................................................5
2.1 INSTALLATION OF BATTERIES.........................................................................5
3 OPERATION..........................................................................................................6
3.1 START TO MEASURE ECG..............................................................................6
3.2 ECG MEASURING METHOD.........................................................................10
3.3 ECG MEASURING PROCEDURE....................................................................15
3.4 WAVE REVIEW...............................................................................................22
3.5 DATA MANAGEMENT.....................................................................................32
3.6 SYSTEM SETTING...........................................................................................35
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3.7 HELP..............................................................................................................43
4 TECHNICAL SPECIFICATIONS.....................................................................44
4.1 ECG MEASUREMENT....................................................................................44
4.2 POWER...........................................................................................................45
4.3 CLASSIFICATION............................................................................................45
4.4 DISPLAY.........................................................................................................46
4.5 DATA MEMORY..............................................................................................46
4.6 OVERALL DIMENSION AND WEIGHT............................................................46
5 ACCESSORIES....................................................................................................47
6 MAINTENANCE AND SERVICE.....................................................................48
6.1 MAINTENANCE...............................................................................................48
6.2 CLEANING AND DISINFECTING INSTRUCTION.............................................49
7 TROUBLESHOOTING.......................................................................................50
8 ERROR MESSAGE AND SOLUTIONS.......................................................... 53
APPENDIX..............................................................................................................55
GENERAL KNOWLEDGE OF ECG.......................................................................55
User Manual for Easy ECG Monitor
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1 Overview
1.1 Appearance
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1. Power: Long time press (about 2 seconds) to power on or off the device;
short time press turns on/off the backlight.
2. Metal Electrode I, II
3. Measurement: shortcut button for measuring, press this button to start
measuring.
4. ▇ OK: confirm selection or modification.
5. Navigation key:
/ Up/left/increase: move the cursor upwards/to the left, or adjust
parameter values.
/ Down/right/decrease: move the cursor downwards/to the right, or adjust
parameter values.
6. Return: back to upper level of menu.
7. Display screen: display ECG waveforms and data.
8. Metal Electrode III
9. ECG Lead wire connector: for connecting the lead wire.
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10. Data interface: for connecting Mini USB data cable.
1.2 Name and Model
Name: Easy ECG Monitor
Model: Prince-180B
1.3 Structure
Prince-180B Easy ECG Monitor consists of main board, panels and electrodes.
1.4 Features
1. Small in size, light in weight and easy to carry.
2. One-key measurement, easy to operate.
3. ECG waveform and interpretation of results are displayed clearly on
dot-matrix LCD screen.
4. Seventeen types measurement result can be presented.
5. Up to 1200 records for quick measurement or 10-hour data records for
continuous measuring can be stored in built-in memory.
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6. Data records can be reviewed, copied, deleted, and uploaded as well.
7. Power saving technique with automatic shutting-down function.
8. Two AAA batteries are used to support more than 10 hours working time
(wireless transmission function is disabled).
9. Wireless data upload function (optional).
1.5 Intended Use
Prince-180B Easy ECG Monitor is intended for measuring and recording the ECG
signal and average heart rate of adult patient. It is applicable for use in clinics and
homes, and convenient to operate by the patients themselves.
The device is not an ECG monitor as used in clinical institution or hospital, but
is used for spot-check purpose ONLY. It can not be used to substitute the normal
ECG examination or real time monitoring. The measurement results are a useful
reference for doctor, but do not make direct diagnostic or analytical decision based
on the information provided by this device.
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1.6 Operating Environment
Operating temperature: 5~40℃
Operating humidity: 30%~80%
Atmospheric pressure: 70~106kPa
2 Installation
2.1 Installation of Batteries
1. Open the battery cover (see the Figure 2-1).
2. Insert two AAA size batteries directly.
3. Close the battery cover.
Do NOT insert batteries with their
polarities reversed. Disposing of the used batteries, Figure 2-1
the local law should be followed.
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Note: Protecting films are attached to the electrodes of device, so please remove the
protecting films before measurement.
3 Operation
3.1 Start to measure ECG
Press the Power button (lasting for 2 seconds) to turn on the unit. The unit starts to
initialize, and displays the following pictures Figure 3-1A and Figure 3-1B.
Figure 3-1A
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Figure 3-1B
After boot-strap, the unit enters menu screen, as shown in Figure 3-2.
Note: During initialization, press “ Return” button to enter main menu screen, as
shown in Figure 3-2. If press “ Measurement”, it will enter measuring screen, as
shown in Figure 3-4.
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There are 6 tool buttons, press navigation key to shift cursor and press “ OK” to
confirm. Each functional button will be
defined as follows:
Measure: detect ECG waveform
and HR value, and analyze whether the
ECG waveform is normal.
Review: review the ECG records
saved in this device (including ECG
waveform and measurement result).
Figure 3-2
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Memory: check the storage space and delete the ECG records saved in this
device.
Setting: set parameters such as date, time, language, beeper, filter mode,
brightness and wireless etc.
Help: provide the user with measuring methods etc. information.
中文: set the display language. This device is designed with dual-language:
中文(Chinese) and English, which can be switched alternatively by user.
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3.2 ECG Measuring Method
3.2.1 Quick and Short ECG Measurement
1 Chest Measurement
In order to obtain ideal ECG signal, chest
measurement is the first recommended method for
it can ensure stable signal and fewer interference.
Hold the device with the right hand. Make sure
that the palm and fingers touch the metal electrode
I and II reliably. Place the electrode III on bare
skin about 5cm below the left nipple. The ECG
signal detected by Chest Measurement is similar
to Lead V ECG signal. Figure 3-3A Chest Measurement
Possible improper operation:
A. The contact place of electrode III deviates from left chest.
B. The holding gesture is incorrect.
C. The electrode can not contact bare skin completely. (For example place the
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electrode on clothing.)
2 Leg Measurement
If it is not convenient to adopt chest measurement,
the leg measurement will be recommended. When
measuring, hold the device with the right hand.
Make sure that the palm and fingers touch the
metal electrode I and II reliably. Place the
electrode III on the skin 10cm above the left foot
ankle. The ECG signal detected by Leg
Measurement is equivalent to Lead II ECG signal. Figure 3-3B Leg Measurement
Possible improper operation:
A. Wrong holding gesture.
B. The electrode III can not contact bare skin completely. (For example, place the
electrode III on the sleeve of trousers or socks.)
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3 Palm Measurement
Palm Measurement is recommended in terms of convenient and quick measurement.
Hold the device with right hand. Make sure that the palm and fingers touch the
metal electrode I and II reliably. Press the electrode III closely against the center of
the left palm. The ECG signal detected by Palm Measurement is equivalent to Lead
I ECG signal.
3-3C Palm Measurement
Possible improper operation:
A. Waving your both hands at will.
B. Both hands loosely contact with electrodes during measurement.
C. It is not palm contacts the electrode.
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3.2.2 Continuous or Long-term ECG measurement
1 Lead Wire Measurement
To obtain clear and high quality ECG signal, the lead
wire measurement can be used. Connect the lead
wire firmly to the lead wire socket of the device
Place the electrodes and connect the lead wires as
Figure3-3D to obtain the Lead II ECG signal; if
you want to measure Lead I and Lead III ECG signal,
according to the following table to connect the lead
wires to the electrodes. Figure 3-3D Lead Wire
Measurement
Possible improper operation:
A. Wrong in connecting lead port.
B. Place the electrode in the wrong part of your body.
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Electrode Lead
Name
Electrode Location
Lead
I
Lead
II
Lead
III
The intersection between the centerline of
the right clavicle and Rib 2. RA RA LA
The intersection between the centerline of
the left clavicle and Rib 2. LL LA RA
Between the left edge of the breast bone
and Rib 5 LA LL LL
ECG Leads Configuration and Electrodes Location Table
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3.3 ECG Measuring Procedure
3.3.1 Quick Measurement
1. After choosing a proper
measuring method as described in
Chapter 3.2.1, press “ Measure”
to enter quick ECG measurement
automatically, as shown in Figure
3-4. The first 15 seconds is
preparing phase during which the
device will judge whether the
position of electrode is befitting or not Figure 3-4 ECG Measuring Screen
according to measured ECG waveform. Please adjust your holding position if the
detected waveform is not smooth.
On-screen display:
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1. “16: 14: 32”: Current time.
2. “X1”: ECG waveform gain.
“X1/2”:Waveform scaled with half of the basic gain;
“X1”:Waveform scaled with basic gain;
“X2”:Waveform scaled with twice of the basic gain
“X3”:Waveform scaled with three times of the basic gain
3. “ ”: Heart beat mark. Its flashes are synchronized with heart beats.
4. “ ”: Indicating that ECG filter mode is “Enhanced”; Refer to section
3.6.5 for filter setting.
5. “ ”: Status of battery power
6. “ ”: ECG waveform
7. “ ”: Ruler for 1mV amplitude
8. “ ”: Compact compression of scaled waveform.
9. “ ”: Wireless mark (optional). When the “Wireless” is set as “ON” status
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in system setting screen, this mark will display on the screen. After a
successful connection between the device and the remote host, the ECG data
can be uploaded to the host (PC) for further recall, analysis and storage.
2. When the compact compression of scaled waveform reaches to the end, it means
the measurement finishes, then the device steps into data analysis phase which is
followed by measurement results display as shown in Figure 3-5.
Figure 3-5 Measurement Result Screen Figure 3-6 Data Saving
“ Return”: return to main menu screen directly and the current measurement
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result and measuring value won’t be saved.
“ Save”: save the current measurement result and measuring value.
3. In the measurement result screen, the current measurement data will be saved in
this device automatically without any
operation in 6 seconds or directly
press the “ Save” key to save the
data, as shown in Figure 3-6. The
device will return to the main screen
automatically after the data is saved.
4. If the wireless transmission is
selected, the device will go to the
screen as shown in Figure 3-7 after the
data is saved. Figure 3-7
Press the “ Send” key on the device side to start transmitting ECG record
wirelessly, and on the host side, the “Wireless Receive” icon should be clicked while
running software “ECG Viewer Manager” on PC so that the data records can be
transmitted and saved to PC. After that the device will return to the main screen
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automatically. (Refer to User Manual for “ECG Viewer Manager” for detailed
operation procedure)
3.3.2 Continuous Measurement
1. After choosing the continuous measuring method as described in Chapter 3.2.2,
press the “ Measure” to perform continuous ECG measurement automatically as
shown in Figure 3-8. The difference
between the continuous and quick
measurement is described below:
“ Exit”: the prompt information of
operation on the screen. Press the “
Return” button to end the ECG
measurement and return to the main
screen. If the time of continuous
measurement is over 30 seconds, this
data will be saved automatically.
“HR=59”: indicates the real-time heart rate. Figure 3-8
2. During the continuous measurement, if the wireless transmission function is
selected and a successful connection is setup, click the “Wireless Receive” icon on
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the host side while running software “ECG Viewer Manager” on PC so the data
record can be transmitted and saved to PC (Refer to User Manual for “ECG Viewer
Manager” for detailed operation procedure.). The data measured in wireless
real-time transmission status won’t be stored in the unit.
3. If there is no operation after the continuous measurement has been carried out for
3 minutes, the unit will adopt power-saving mode automatically (the screen will
darken), but the measurement won’t be interrupted. Once you press any button or the
alarm event occurs, the system will exit power-saving mode, and the screen resume
to normal brightness.
Notes: 1) Figure 3-5 shows a regular ECG waveform measurement result, this
device can provide 17 types measurement results, refer to Table 3-1(Section
3.4.3) for details.
2)During measurement, if the measured part and metal electrodes loosely
contact, the device will prompt “Contact?”, as shown in Figure 3-9. If there
isn’t signal, it will prompt “No signal”. The user can press “ Return”
button to exit from the measurement.
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Figure 3-9 Figure 3-10
3) At most 1200 data records for quick measurement or 10-hour data
records for continuous measurement can be saved in this device. When the
storage space is full, the device will indicate and prompt that “Memory full!
Overwrite record?” with a display of “ ” mark as shown in Figure 3-10.
Meanwhile, from now on, it won’t store the new record until the user
manually deletes the unnecessary data or upload the records to PC to free
some memory.
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3.4 Wave Review
3.4.1 Operation Description
1. Select “Review” on main menu screen, then press “ OK” button, the device
enters record list screen as shown in Figure 3-11
Note:
“ ”: means the measured
result of this record is regular.
“ ”: means the measured
result of this record is irregular.
“ ”: means waveform with
interference or lead off during
measuring.
“ ”: If the enhanced mode
is used, the icon of enhanced mode Figure 3-11 Record List
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will be shown behind the record.
NOTE: There is no such legend icon display for the record of continuous
measurement. Only the start and end measuring time (not including the year) is
displayed here.
2. Choose a record in record list,
then press “ OK” button to
review this ECG record, the
waveform display for quick
measurement and continuous
measurement are shown in Figure
3-12 and Figure 3-13 respectively.
To stop auto replay, just press the
Navigation key “ / ” or “ / ”.
After that you can press the
Navigation key “ / ” or “ / ”
again to view the waveforms
manually. Figure 3-12 ECG Data Review Screen
(Quick Measurement)
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Figure 3-13 ECG Data Review Screen (Continuous Measurement)
On-screen display:
1. “16: 14: 32”: ECG waveform measuring time.
2. “X1”: ECG waveform gain. There are 4 options available:
“X1/2”:Waveform scaled with half of the basic gain;
“X1”:Waveform scaled with basic gain;
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“X2”:Waveform scaled with twice of the basic gain;
“X3”:Waveform scaled with three times of the basic gain.
3. “HR=66”: heart rate value is 66bpm. For waveform review of continuous
measurement, the heart rate value won’t be displayed. “1/2”: the screen page
description for waveform review of continuous measurement. “1”: current
page, “2”: total page.
4. “ ”: indicates that ECG filter mode is “Enhanced”.
5. “ ”: Status of battery power.
6. “ ”: Reviewed ECG waveform.
7. “ ”: Ruler for 1mV amplitude.
8. “ ”: Compact compression of scaled waveform.
9. “ ”: ECG waveform selecting box.
Note: ① the selected waveform in selecting box is displayed on the current screen.
② ECG waveform miniature in selecting box is the ECG waveform
measured in 30 seconds.
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3. Press “ OK” button again, the measurement result of the selected record will be
reviewed on the screen, as shown in Figure 3-14.
Figure 3-14 Figure 3-15
(1) “ Return”: press “ Return” button to return to record list screen.
(2) “ Delete”: press “ OK” button to delete the selected current record, at this
time it prompts that “Sure to delete?”, as shown in Figure 3-15. If the wireless
transmission function is selected, here prompts “ Send” instead. Press the “
Send” button on the device, then on the host side, click the “Wireless Receive” icon
while running the software “ECG Viewer Manager” on PC, the data will be
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transmitted and saved on PC.
4. Select “YES”, then press “ OK” button to perform deletion and return to record
list screen. Press “ Return” button directly, this record will not be deleted and the
screen will return to record list screen.
3.4.2 Measurement Result Description
When device detects lead off or suspected arrhythmia ECG waveform, “Poor signal,
Measure again (Figure 3-16)”, “Suspected a little slow beat (Figure 3-17)” etc. 17
types ECG measurement results can be obtained. Refer to Table 3-1 for details.
(1). Poor signal (2).A little slow beat
Figure 3-16 Figure 3-17
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NOTE: Figure 3-16 and Figure 3-17 show
the measurement results by continuous
measuring method. The measurement by
result continuous measuring method is
shown on the left. If one screen hasn’t
enough space to show all the measurement
results, the user can press Navigation Key
“ / ” or “ / ” to manually shift the
screen upwards or afterwards
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3.4.3 Measurement Result Table
No. ECG Measurement Result
Descriptions
Waveform
1 No irregularity found
2 Suspected a little fast beat
3 Suspected fast beat
4 Suspected short run of fast beat
5 Suspected a little slow beat
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6 Suspected slow beat
7 Suspected occasional short beat
interval
8 Suspected irregular beat interval
9 Suspected fast beat with short beat
interval
10 Suspected slow beat with short beat
interval
11 Suspected slow beat with irregular beat
interval
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Table 3-1
12 Waveform baseline wander
13 Suspected fast beat with baseline
wander
14 Suspected slow beat with baseline
wander
15 Suspected occasional short beat
interval with baseline wander
16 Suspected irregular beat interval with
baseline wander
17 Poor Signal, measure again
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3.5 Data Management
3.5.1 Data Deletion
Select “Memory” on main menu screen, then press “ OK” button to enter memory
screen, as shown in Figure 3-18.
Figure 3-18 Memory Screen
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“ Return”: press “ Return” button to return to main screen.
“ Delete”: press this key to delete all the records. Prior to deletion, a dialogue box
“Sure to delete all?” will be presented on the screen, as shown in Figure 3-19. If
choose “YES” and press “ OK” button, all the records will be deleted, as shown in
Figure 3-20.
Figure 3-19 Figure 3-20 Records Deleting
Note: The operation of data deletion carried out in the memory screen means all the
data in the device will be deleted; if you only want to delete one record, please do
that on waveform review screen.
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3.5.2 Upload Data
Connect the device to PC with USB data cable, the device will automatically enter
the upload display as shown in Figure 3-21. The data can be dumped to PC for data
management, review and analysis.
Figure 3-21 Upload Data Screen
NOTE: Ensure there is sufficient battery power when deleting or uploading the data
since insufficient power may cause the interruption of operation.
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3.6 System Setting
On the main menu screen, select “Setting”, then press “ OK” button to enter
system setting screen, as shown in Figure 3-22 and Figure 3-23
Figure 3-22 Figure 3-23
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3.6.1 Time/Date Setting
1.On system setting screen, select
“Time/date” with Navigation Key, then
press “ OK” button to enter time and
date setting screen (date format:
dd/mm/yyyy), as shown in Figure 3-24.
2. Use Navigation Key to adjust the value
and then press “ OK” button to shift
black cursor and adjust another value.
3. When finishing the settings, press “
OK” button to save the setting and return
to the upper level menu screen. Figure 3-24 Time/date Setting
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3.6.2 Language Setting
1. On system setting screen, select “Language” to enter language information screen,
as shown in Figure 3-25.
2. Press the Navigation Key to select the language between “简体中文 ” and
“English”. The default language is “简体中文”.
3. Press “ OK” button to save setting and return to the upper level menu screen..
Figure 3-25 Language Setting
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3.6.3 Brightness Setting
1. On system setting screen, select “Brightness” to enter brightness setting screen, as
shown in Figure 3-26.
2. Adjust brightness with Navigation Key; 1~7 level adjustable;
3. Press “ OK” button to save setting and return to the upper level menu screen.
Figure 3-26 Brightness Setting
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3.6.4 Beeper Setting
1. On system setting screen, select
“Beeper” to enter beeper setting
screen, as shown in Figure 3-27.
2. Choose “ON” or “OFF” with
Navigation Key to turn on the beeper
or turn off the beeper; the default
setting is “ON”.
3. Press “ OK” button to save setting
and return to the upper level menu
screen. Figure 3-27 Beeper Setting
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3.6.5 Measure Mode Setting
1. On system setting screen, select
“Measure mode” to enter measure mode
setting screen, as shown in Figure 3-28.
2. Choose “Normal” mode or
“Enhanced” mode with Navigation Key.
The default setting is “Normal” mode.
Normal mode: can filter the interference
signal in ECG waveform.
Enhanced mode: can better reflect the
fidelity of ECG waveform. Figure 3-28 Measure Mode Setting
3. Press “ OK” button to save setting and return to the upper level menu screen.
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3.6.6 Wireless Election
1. On system setting screen, select
“Wireless” to enter beeper setting screen,
as shown in Figure 3-29.
2. Press the Navigation Key to turn on or
turn off the wireless function.
3. Press “ OK” button to save setting
and return to the upper level menu
screen.
Figure 3-29 Wireless Selection
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3.6.7 Resume Default
1. On system setting screen, select
“Default setting” to enter into default
setting screen, as shown in Figure 3-29.
2. Choose “YES” or “NO” with
Navigation Key. If the choice is “YES”,
then press “ OK” button, all the
parameter settings will resume default
settings.
3. Press “ Return” button to back to
upper level menu. Figure 3-30 Default Setting
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3.6.8 Version Info
On system setting screen, select “Version” to enter version information screen, as
shown in Figure 3-30. “V09-09-21” is version number.
Figure 3-31 Version Information
3.7 Help
On main menu screen, select “Help”, then press “ OK” button to enter help info
screen. It provides different kinds of illustrations for ECG measuring methods. Refer
to Section 3.2.1 for ECG measuring methods in details.
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4 Technical Specifications
4.1 ECG Measurement
1. The number of measuring channel: Single channel ECG signal.
2. Electrodes: 3 embedded metal electrodes or 3 adhesive ECG electrodes
connected to the connector of the device with lead wire.
3. Measurement modes: the detecting ECG signal can be detected by the
following lead selection:
Lead I (between right hand and left hand);
Chest Lead (between right hand and chest);
Lead II (between right hand and left leg).
4. ECG bandwidth: 1Hz~40Hz
5. Internal noise level: ≤30μVp-p
6. Heart Rate measuring range: 30bpm~240bpm
7. Heart Rate measuring accuracy: ±2bpm or ±2% whichever is greater
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8. Display scale: 5.0mm/mV±10%
9. Common-mode rejection ratio (CMRR): ≥60dB
10. Waveform sweeping speed: 20mm/s±10%
11. Input loop current: ≤0.1μA
12. Input impedance: ≥5 MΩ
4.2 Power
Power: 2×AAA alkaline batteries
Supply voltage range: 2.7~3.3VDC
Max average working current: ≤50mA
Auto power-off: 35s±5s (without operation)
Low battery indication: 2.5VDC±0.2VDC
4.3 Classification
1. The type of protection against electric shock: Internally powered equipment
2. The degree of protection against electric shock: Type B applied parts
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3. The degree of protection against harmful ingress of liquid: Ordinary
equipment without protection against ingress of liquid.
4. Electro-magnetic Compatibility: Group I, Class B
4.4 Display
1. LCD type: colour LCD
2. Display area: 57.6mm × 40mm
4.5 Data Memory
1. Up to 10-hour records can be saved in the built-in memory;
2. Stored data records can be uploaded to the computer by data cable provided by
the manufacturer.
4.6 Overall Dimension and Weight
Dimension: (L) 125× (W) 70 × (H) 21.5 mm
Weight: 106g (not including batteries)
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5 Accessories
A hanging cord
Two batteries (AAA)
Awallet
A User Manual
A data cable (optional)
An ECG lead wire (optional)
Note: The accessories are subject to change. Please see the Packing List for detailed
items and quantity.
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48
6 Maintenance and Service
6.1 Maintenance
The life of this device is 5 years. In order to ensure its long service life, please pay
attention to the maintenance.
1. Please change the batteries, when appears low-voltage icon.
2. It is recommended to wipe the metal electrode with medical alcohol, when the
measuring signal is too weak.
3. Please wipe the surface of the unit with clean cloth or let it dry in air.
4. Please take out the batteries if the unit will not be used for a long time.
5. Storage and Transportation
Ambient temperature: -20 to 60ºC
Relative humidity: 10~ 95%
Atmospheric pressure: 50~107.4Kpa
This device should be transported by land (vehicle or railway) or air in
accordance with the contractual terms. Do not hit or drop it with force and protect
it from sunlight and rain.
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Notes
Keep it away from corrosive substances, explosive substances, high/low
temperature and moisture.
If the device gets wet or has water steam, please stop operating it.
When it is taken from cold environment to warm and humid environment,
please DO NOT use it immediately.
DO NOT operate the button on front panel with sharp materials.
DO NOT immerge the device into liquid. Do NOT spray any liquid on it
directly.
The life of this unit is 5 years. In order to ensure its long service life, please
pay attention to the use of maintenance.
6.2 Cleaning and Disinfecting Instruction
Surface-clean sensor with a soft gauze by saturating with a solution such as 75%
isopropyl alcohol, if low-level disinfection is required, use a 1:10 bleach solution.
Then surface-clean with a damp cloth and dry with a piece of cloth.
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Caution: Do not sterilize by irradiation steam, or ethylene oxide.
7 Troubleshooting
Trouble
The device can not turn on.
Possible Reason Solution
1. The batteries are drained or
almost drained.
2. The batteries are not inserted
properly.
3. The device is broken out.
1. Change batteries.
2. Reinstall batteries.
3. Please contact the local service center.
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Trouble
The device is failure in measuring heart rate.
Possible Reason Solution
1. Electrode does not contact body
well.
2. Movement when measuring.
3. Electromagnetic interference.
4. Weak signal.
1. Place the electrode correctly.
2. When measuring, please keep quiet
and avoid moving.
3. Keep away from interference source.
4. Change a place (chest) to measure.
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Trouble
ECG waveform excursion, strong irrelevant waveform or the ECG waveform
displays on the screen, but the prompt info is “Contact?”;
Possible Reason Solution
1. Skin is dry or oily.
2. Electrode does not contact
body tightly.
3. Muscle strain.
1. Clean skin with soap and water and
eliminate skin crumb and grease to make the
skin wet and greaseless.
2. Press the electrode with a certain force.
3. Keep hand relax while measuring.
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8 Error Message and Solutions
Error Reason Solution
Communication
error
The communication
is interfered or
abnormal
1. Press the “Return” button to exit from
current status
2. Ensure the PC software can operate
normally.
3. Restart the wireless function or the
device.
Memory full The memory of flash
is full
1. Manually delete the ECG record
directly;
2. Upload the record to PC, then delete it.
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9 Key of Symbols
Symbol Description Symbol Description
Heart Rate
(Unit: beats per minutes)
Battery indicator
Measure mode: enhanced Wireless transmission
mark
Full memory mark
Return button ▇ Confirmation button
Power button / / Navigation key
Type B Data Interface Port
Lead wire socket Serial number
Warning─ See User Manual CE mark
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Manufacturer
(including address and date)
USB data cable interface
Authorised representative in
the European community
Disposal of this device
according to WEEE
regulation.
Note: The symbols “ ”, “ ”, “ ”, “ ” and “ “are displayed on the screen,
the others are marked on the device panel.
Appendix
General Knowledge of ECG
ⅠNormal sinus rhythm: In sinus
conditions, SA node paces the heart with the
regularly rate and the normal rhythm. The Figure 1 Normal ECG Waveform
heart rate is in the range of 60 to 100 times per minute and the rhythm is regular. P
wave is normal and each one is followed by a QRS wave. P-R interval: 0.12~0.20s;
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QRS wave: 0.06~0.10s; No ectopic ECG activity.
Symptom: Sinus rhythm, heart rate: 60~100bpm
Indication: Normal
Ⅱ Several abnormal ECG waveforms
1) Tachycardia: The heartbeat becomes faster. Tachycardia is determined by the
rhythm of the heart, the average rhythm beats faster than 100 times a minute is
considered as Tachycardia. The result description “Suspected fast beat” in this
device may be doubted as Tachycardia.
Symptom: heart rate>100bpm
Indication: It may occur with the normal
people who have these physiology
conditions: rage, fatigue, smoking,
drinking too much wine, excessive coffee
and strong tea, etc. Figure 2 Tachycardia Waveform
Pathology: anemia, Hyperthyroidism, blood hypoxia, myocarditis, hypokalemia,
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fever, influence of some medication (such as atropine, epinephrine etc.).
Suggestion: If it belongs to pathology condition, please go to hospital.
2) Bradycardia: The heartbeat becomes more slowly. It is determined by the
rhythm of the heart, the average rhythm is less than 60 beats per minute is
considered as Bradycardia. The result description “Suspected slow beat” in this
device may be doubted as Bradycardia.
Symptom: heart rate<60bpm
Indication: It occurs when healthy
people fall asleep, and it can be found in
athlete (or those who love doing sports
frequently), old people, or vagus
excitement person. Figure 3 Bradycardia Waveform
Pathology: Sick sinus syndrome, Ischemic heart disease,Cardiomyopathy,
intracranial hypertension, increased hypokalemia, Low temperature, period of
convalescence of acute infectious disease or after use some medicines such as
digitalis.
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Suggestion: If it belongs to the pathology condition, please see the doctor.
3) Premature beat: In a normal beat a QRS waveform appears prematurely and is
followed by a comeback pause. The result description “Suspected occasional
short beat interval” in this device may be doubted as Premature beat.
What is premature beats? It is premature contraction. The normal heart beat is
always regularly, and each beat interval is also symmetrically; Premature beat is
out of this general regulation, the heart beats prematurely and followed by a long
time interval; the phenomena of a premature beat between two heart beats is
called inserting premature beat. The display of “early beat” may be suspected
Premature beat.
According to different original
positions, it can be divided into:
Premature Atrial Contraction,
Premature Nodal Contraction and
Premature Ventricular Contraction
(PVC), which needed to be judged by
experts. Figure 4 Premature Beat
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Symptom: The heart beat is arrhythmic, it occurs as the phenomenon that the
heart suddenly beats and then stops for a while. Some people have palpitation or
have no symptom.
Indication: The premature beat can be found occasionally in healthy people, with
no distinct symptom or sometimes with palpitation. This may be caused by
fatigue, anxiety, insomnia, smoking too much, or drinking too much wine, coffee,
strong tea etc. It can be recovered without treatment. However, if premature beat
occurs frequently, continuously or in multi-focus, it will indicate functional
cardiovascular disease. Please see a doctor as soon as possible.
Suggestion: The character of premature beat needs professional to confirm, so
please save the temporal figure in time. When seeing a doctor , you can recall it to
doctor to judge the character of premature ( Premature Atrial Contraction,
Premature Nodal Contraction, Premature Ventricular Contraction or multi-focus
premature beat)and help cure.
Testee’s Symptom: Normal heart beat is followed by a premature beat.
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4) Bigeminy: It is a type of PVC in
which a normal beat is coupled with a
premature beat.
Indication: PVC occurs frequently.
Suggestion: Please see the doctor. Figure 5 Bigeminy
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5) Trigeminy: It is a type of PVC in
which two normal beats are coupled
with a premature beat.
Indication: PVC occurs frequently.
Suggestion: Please see the doctor.
Figure 6 Trigeminy
The result description “Suspected irregular beat interval” in this device may be
doubted as Bigeminy or Trigeminy.
6) Short run of tachycardia: PVC (Premature Ventricular Contraction) occurs
more than 3 times continuously.
Testee’s Symptom: PVC occurs More
than 3 times continuously.
The heart beat is fast and regularly, but
starts and stops suddenly.
Figure 7 Tachycardia
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According to the different of active original position, it can be divided into:Short
Run, SVE Short Run (Needing professional to judge).
1)Short Run:It is caused by Premature Atrial Contraction or Nodal Premature
Beat, frequency>180bpm.
Indication : Most commonly found in healthy people, it causes by deep
respiration, tachypnea, positional changes, swallow, rage etc. It also appears in
functional cardiac disease,such as Wolff - Parkinson-White Syndrome, rheumatic
heart disease, coronary heart disease, Cardiomyopathy, Congenital heart disease,
medicinal reaction(digitalis toxicosis)etc.
Suggestion:If it occurs time after time, please see the doctor as soon as possible.
2)Ventricular Tachycardia:Caused by Premature Ventricular Contraction, Heart
Rate >140bpm.
Indication:Most commonly found in heart disease patient, it can cause ventricle
fibrillation if it’s serious, so the tester needs to see a doctor immediately.
Suggestion:The character of short run needs professional to confirm, so please
save the temporal figure in time. And you can provide it to doctor as a reference.

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