Viatom Checkme User manual

CheckmeTM Health Monitor
1. The Basics........................................................................................ 1
2. Intended Use ................................................................................... 4
3. Getting Started ................................................................................ 8
4. Using Checkme................................................................................ 9
5. Settings.......................................................................................... 26
6. Review........................................................................................... 30
7. Maintenance ................................................................................. 32
8. Accessories.................................................................................... 36
9. Specifications ................................................................................ 37
10. Electromagnetic Compatibility ...................................................... 40
User’s Manual
Knowing and Tracking Your Health

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1. The Basics
This manual contains the instructions necessary to operate the product
safely and in accordance with its function and intended use. Observance
of this manual is a prerequisite for proper product performance and
correct operation and ensures patient and operator safety.
This manual is based on the maximum configuration of Checkme Pro
health monitor. Some functions may be not available on your model.
1.1 Safety
Warnings and Cautionary Advices
Before using the device, please ensure that you have read this
manual thoroughly and fully understand corresponding precautions
and risks.
This device has been designed for practical use, but is not a
substitute for a visit to the doctor.
The data and results displayed on the device are for reference only
and cannot be directly used for diagnostic interpretation or
treatment.
We recommend not to use this device if you have a pacemaker or
other implanted devices. Follow the advice given by your doctor, if
applicable.
Do not use this device with a defibrillator.
Do not use this device during MRI examination.
Do not use the device in a combustible environment (i.e., oxygen-
enriched environment).
Never submerge the device in water or other liquids. Do not clean
the device with acetone or other volatile solutions.
Do not drop this device or subject it to strong impact.
Do not place this device in pressure vessels or gas sterilization device.
Do not dismantle the device, as this could cause damage or
malfunctions or impede the operation of the device.
This device is not intended for use by people (including children)
with restricted physical, sensory or mental skills or a lack of

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experience and/or a lack of knowledge, unless they are supervised
by a person who has responsibility for their safety or they receive
instructions from this person on how to use the device. Children
should be supervised around the device to ensure they do not play
with it.
Do not allow the electrodes of the device to come into contact with
other conductive parts (including earth).
Do not use the device with persons with sensitive skin or allergies.
Do not store the device in the following locations: locations in which
the device is exposed to direct sunlight, high temperatures or levels
of moisture, or heavy contamination; locations near to sources of
water or fire; or locations that are subject to strong electromagnetic
influences.
Do not swing the device with the strip, which may result in injury.
This device displays changes in the heart rhythm and blood
oxygenation etc. which may have various different causes. These
may be harmless, but may also be triggered by illnesses or diseases
of differing degree of severity. Please consult a medical specialist if
you believe you may have an illness or disease.
Vital signs measurements, such as those taken with this device,
cannot identify all diseases. Regardless of the measurement taken
using this device, you should consult your doctor immediately if you
experience symptoms that could indicate acute disease.
Do not self-diagnose or self-medicate on the basis of this device
without consulting your doctor. In particular, do not start taking any
new medication or change the type and/or dosage of any existing
medication without prior approval.
This device is not a substitute for a medical examination or your
heart or other organ function, or for medical electrocardiogram
recordings, which require more complex measurements.
It is not possible to use this device to diagnose illness or diseases.
This is exclusively the responsibility of your doctor.
We recommend that you record the ECG curves and other
measurements and provide them to your doctor if required.
Changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to
operate the equipment.

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NOTE: This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications.
However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of
the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and
receiver.
Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for
help.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
USB charging cable(540-00194-00) must be used with this unit to
ensure compliance with the Class B FCC limits.

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2. Intended Use
The Checkme series health monitor is intended to be used for measuring,
displaying, reviewing and storing of multiple physiological parameters
including ECG, pulse oxygen saturation (SpO2), pulse rate, temperature
and blood pressure variation in home or healthcare facilities environment.
ECG and Blood pressure variation is intended for use with adult.
The data and results provided by this device are for pre-check screening
purpose only and cannot be directly used for diagnostic or treatment.
2.1 About Checkme
1. Touch Screen
Use the pad of your finger to tap or slip on the touch screen. Do not
use your fingernail or any other object to tap the screen.
2. Infrared temperature sensor
3. Internal SpO2sensor
4. LED indicator
Off: the monitor is turned off or working in Standby Mode;
Green: the monitor is turned on, and working normally; or when
the battery is fully charged;
Blue: the battery is being charged;
Red and flash: the battery is low;
5. Multi-functional connector
It connects with external SpO2cable, ECG cable, or charging cable.
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1
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4

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6. Home, Power On/Off
When the monitor is off, press this button to power it on.
When the monitor is on, press and hold it for 2 seconds to turn
it off.
During operation, press this button will switch to Main Screen,
or Calendar Screen, or return to upper menu.
7. ECG right electrode
Use right thumb to press on it.
8. Speaker
9. ECG left electrode
Put it to your left palm, left abdomen or left knee.
10. Neck stripe hole
11. ECG back electrode
Use right forefinger or middle finger to press on it.
2.2 Main Screen
The Main Screen is shown as below. Slipping your finger from right to left
can switch to the second page, and vice versa.
Press a button in the Main Screen will start a measurement, activate a
function, or open corresponding menu.
2.3 Calendar Screen / Standby Mode
The device will enter Calendar Screen / Standby Mode when:
No operation is detected for 120 seconds in other screen interface,
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the device will automatically switch to the Calendar Screen.
Pressing the Home button in the Main Screen.
1. Current time
2. Current date
When a reminder event happens, this area displays the event name,
e.g. “Daily Check”.
You are allowed to change the current time and date when the device is
powered on at the first time. Or you can also go to the Setting menu to
change it. Please refer to Section 5.4 for details.
3. This arrow indicates users to press the Home button to exit the
Calendar Screen / Standby Mode.
4. Battery indicator
Please refer to Section 7.1 for details.
5. If you failed to respond to the previous reminder event, then that
event will be shown in this area.
6. This icon appears when <Quick ECG> is enabled. Please refer to
Section 5.4 for details.
7. This icon appears if you have set reminder event.
When the device enters Calendar Screen, it also begins to work in Standby
Mode, which is an ultra-low power consumption mode. In Standby Mode,
the touch screen operation is invalid.
2.4 Result Screen
This device provides powerful measurement functionalities, including
Express Record, Health Check, ECG Record, Oximeter, BP Tracker,
Themometer, Sleep Monitor and Pedometer. For each measurement, a
Result report will be provided after the measurement is finished. An
example is shown as below.
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1. Measured parameters and readings
2. A summary of this measurement
3. A graphic indicator about the health status
: All measured parameters are within the reference range;
: One or more than one measured parameter(s) is (are) out of
reference range. When the icon appears, it is suggested to test
again, and consult your doctor for help.
4. Buttons
Select button to start a measurement again.
Press and hold the button to add voice memo. Voice memo is
only available for Daily Check and ECG Recorder measurements.
Select button to review previous results.
Press button to open the help information.
In the Result Screen, if there is no operation for 2 minutes, the device will
automatically returns to Standby Screen.
2.5 Symbols
Symbol
Meaning
Application part type BF
Manufacturer
CE0197
In conformity with Directive 93/42/EEC
Europran Representative
Symbol for “ENVIRONMENT PROTECTION – Waste
electrical products should not be disposed of with
household waste. Please recycle where facilities exist.
Check with your local authority or retailer for recycling
advice”.
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3
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IP22
Against ingress of solid foregin objects ≥12.5mm dimeter,
Against dripping(15°tilted)
Follow operating instructions
No alarm system.
3. Getting Started
3.1 Unpacking
Before unpacking, examine the packing case carefully for signs of damage.
If any damage is detected, contact the carrier or us. If the packing case is
intact, open the package and remove the equipment and accessories
carefully. Check all materials against the packing list and check for any
mechanical damage. Contact us in case of any problem.
Warnings and Cautionary Advices
Save the packing case and packaging material as they can be used if
the device must be reshipped.
Keep the warranty card, which is useful within the period of
warranty.
When disposing of the packaging material, be sure to observe the
applicable waste control regulations and keep it out of children’s
reach.
The equipment might be contaminated during storage and transport.
Before use, please verify whether the packages are intact, especially
the packages of single use accessories. In case of any damage, do
not apply it to patients.
3.2 Power On/Off
Press the Power On/Off button to power on the device. Press and hold
Power On/Off button for 2 seconds to power off the device.
3.3 Initial Settings
The first time when the Checkme is powered on, you can follow the steps
as below to set up your Checkme monitor.

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Step
User Interface
Action
1
Tap the language you want the
device to use.
Then tap .
2
Tap the “+” or “-” button to
change the date, month and year.
Then tap .
3
Tap the “+” or “-” button to
change the time.
Then tap .
4
The Main Screen shows when you
finish those steps as above.
4. Using Checkme
4.1 Prior to Use
Warnings and Cautionary Advices
Use only cables, electrodes, sensors and other accessories specified
in this manual.
The device has no alarms and will not sound if the measurement
reading is too low or too high.
Before using ECG
Before using Daily Check or ECG Recorder function, pay attention to the
following points in order to obtain precise measurements.

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The ECG electrode must be positioned directly against the skin.
If your skin or hands are dry, moisten them using a damp cloth
before taking the measurement.
If the ECG electrodes are dirty, remove the dirt using a soft cloth or
cotton bud dampened with disinfectant alcohol.
During the measurement, do not touch your body with the hand
with which you are taking the measurement.
Please note that there must be no skin contact between your right
and left hand. Otherwise, the measurement cannot be taken
correctly.
Stay still during the measurement, do not speak and hold the device
still. Movements of any kind will falsify the measurements.
If possible, take the measurement when sitting and not when
standing.
Warnings and Cautionary Advices
When connecting external electrodes and/or patient cables, make
sure that the connectors never come into contact with other
conductive parts, or with earth. In particular, make sure that all of
the ECG electrodes are attached to the patient, to prevent them
from contacting conductive parts or earth.
If using the ECG for long-term monitoring, periodically inspect the
electrode application site to ensure skin quality. If the skin quality
changes, replace the electrodes or change the application site.
Do not use this device during defibrillation.
Interference from a non-grounded instrument near the patient and
electro surgery interference can causes problems with the
waveform.
The ST algorithm has been tested for accuracy of the ST segment
data. The significance of the ST segment changes need to be
determined by a clinician.
Before using Oximeter
Before using Daily Check, Oximeter or Sleep Monitor function, pay
attention to the following points in order to obtain precise measurements.
The finger inserted in SpO2sensor must be clean to ensure proper
reading.
Any of the following conditions may cause inaccurate
measurements, including but not limited to:
-Flickering or very bright light;

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-Poor blood circulation;
-Low hemoglobin;
-Hypotension, severe vasoconstriction, severe anemia or
hypothermia;
-Nail polish, and/or artificial nails;
-Any tests recently performed on you that required an injection of
intravascular dyes.
The Oximeter may not work if you have poor circulation. Rub your
finger to increase circulation, or place the SpO2sensor on another
finger.
The Oximeter measures oxygen saturation of functional hemoglobin.
High levels of dysfunctional hemoglobin (caused by sickle cell
anemia, carbon monoxide, etc.) could affect the accuracy of the
measurements.
Field strengths from fixed transmitters, such as base stations for
radio (cellular/cordless) telephones and land mobile radios,
amateur radio, AM and FM radio broadcast towers, and TV
broadcast towers may affect accuracy.
The pleth waveform displayed on the device is normalized.
Warnings and Cautionary Advices
Limit finger movement as much as possible when using the Daily
Check or Oximeter, which might result in incorrect reading or
analysis.
Do not use the Oximeter on the same hand/arm when using a blood
pressure cuff or monitor.
Do not use the Oximeter outside the specified operating and storage
temperature ranges.
Do not use this device during MRI (magnetic resonance imaging).
Induced current could potentially cause burns. The SpO2sensor may
affect the MRI image, and the MRI unit may affect the accuracy of
the oximetry measurements.
Prolonged continuous SpO2monitoring or sleep monitoring may
increase the risk of undesirable changes in skin characteristics, such
as irritation, reddening, blistering or burns.
Check the SpO2sensor application site every 6-8 hours to determine
the positioning of the sensor and the circulation and skin sensitivity
of the patient. Patient sensitivity varies depending on medical status
or skin condition. For patients with poor peripheral blood circulation

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or sensitive skin, inspect the sensor site more frequently.
4.2 Daily Check
About Daily Check
Warnings and Cautionary Advices
Before using this function, please read the Section 4.1.
When using Daily Check, please ensure you select the right user.
Wrong user will result in incorrect blood pressure readings.
To ensure better tracking of your health status, it is strongly
suggested that every Daily Check measurement is made at the same
time period when your body is in the relative same situation. E.g.,
every morning when get up, or every night before go to bed.
Daily Check measurement is a function that combines the measuring of
ECG (Electrocardiograph) waveform, HR (heart rate), Pleth waveform,
SpO2(blood oxygenation), PI (Pulse Index) and systolic blood pressure. It
takes only 20 seconds to collect your vital signs before giving you vital
signs readings and your health evaluation.
For each individual, the correlation among those parameters measured by
Daily Check is different, so when Daily Check function is used by more than
one user, you need to create the user profile for each user. Before using
Daily Check measurement or reviewing the Daily Check data, ensure that
the correct user is selected. Please refer to Section 5.8 to know how to
manage users.
Setting Daily Check Reminder
To better manage your health status, it is recommended to take Daily
Check measurement at a regular interval, like once every day or once a
week. To ensure that you never forget to take a Daily Check measurement,
you can set a Daily Check reminder. When this Daily Check reminder event
is triggered, the device gives audio alarm prompt, which will last for one
minute if you don’t cancel it manually.
To set the Daily Check reminder event, please refer to Section 4.8.
Using Daily Check
To start a Daily Check, follow the steps as below.
1. If you have not created user, then please follow the instruction in
Section 5.8 to add your user account.

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2. Press the Home button to enter the Main Screen.
3. Tap the <Daily Check> icon in the middle of the screen.
4. Choose the right user.
5. Hold the device according to the instruction, keep the device at the
same level as your heart, and keep stable posture and stay calm.
Don’t exert too much pressure on the ECG electrode, which may
result in EMG (electromyograph) interference. Just hold gently and
ensure good contact with the ECG electrode. Do not exert pressure
on the finger that put in the SpO2sensor. Just fit it inside but gently
to ensure good blood perfusion.
(1) Put the right forefinger into the built-in SpO2sensor. Use the
finger nail to squeeze the edge of the SpO2sensor cover, then
move in upward to the left to raise it up as shown below.
(2) Press the right thumb on the right electrode.
(1)
(2)
(3)
(4)

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(3) Press the right middle finger on the back electrode.
(4) Press the left electrode to the left palm.
6. Once the device detects stable waveform, it will automatically start
the measurement. The countdown bar moves from left to right.
7. When the bar is fully filled, the device will analysis your data, and
then show the measurement result.
Please refer to Section 2.4 to understand the result screen. Daily Check
provides the trending graph of heart rate, SpO2and blood pressure or
change in percentage of blood pressure. To view the trend, tap the
button, then select one record, and then tap the button. For details,
please refer to Section 6.1.
Set reference
To track the blood pressure change, you need to set one measurement as
the reference. For a given user, if the reference has not been set, then
when finishing the Daily Check, tap the icon to set current
measurement as the reference. If the reference has already been set, tap
the icon again will set the current measurement as a new reference.
Warnings and Cautionary Advices
For a given user, it is suggested to set a new reference every three
months.
BP Calibration
To get blood pressure readings, this device should be calibrated by a
doctor with a traditional cuff blood pressure (BP) meter. Because of
individual differences, each user must make his/her own calibration
before using Daily Check to measure or track the blood pressure. The
calibration should be performed when the user is under calm status.
To calibrate with a cuff BP meter, follow the steps as below.
1. Find a traditional cuff BP meter.
2. Sit down and stay calm.
3. Place the cuff on you left arm according to instructions.
4. Pick up the Checkme monitor, press Home button to enter Main

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Screen.
5. Slip your finger from right to left to enter the second page.
6. Select the <Settings> icon, and then select <General>.
7. Select <BP Calibration>, and then choose the right user.
8. Ensure that the cuff and the Checkme monitor are at the same level
as your heart. Then start the blood pressure measurement from the
cuff BP meter.
9. Press the button on the Checkme screen, and follow the steps as
described in Section 4.2 to start the Daily Check measurement.
10. When the blood pressure measurement is finished, manually input
the readings of systolic pressure reading in the Checkme.
11. Repeat the calibration once again by following the above steps.
If the readings of two blood pressure measurements are very close to each
other, then the calibration is valid and finished. If the readings are not
close to each other, please wait for a few minutes, and then start the
calibration again.
Warnings and Cautionary Advices
For a given user, it is suggested to make BP calibration every three
months.
The BP calibration should be made at the same time period with the
Daily Check measurements you are going to make afterwards.
Ensure that your body is in the relative same situation when making
BP calibration and every time making Daily Check.
4.3 ECG Recorder
About ECG Recorder
Warnings and Cautionary Advices
Before using this function, please read the Section 4.1.
Different methods of taking the ECG measurement are available on
Checkme. Some methods may not be available on your product model
because of different configuration. Please refer to Section 9 for details.
The ECG recorder offers four different methods to measuring ECG. Tap the
icon to switch between two pages.

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As shown above, from left to right, there are:
Method A: Lead I, right hand to left hand
Method B: Lead II, right hand to left abdomen
Method C: Lead I, left wrist to right wrist
Method D: Lead II, right wrist to left lower abdomen
ST segment analysis is performed on selected LEAD.
Method A and B offer maximum comfort, than method C and D, but no ST
segment value. Method C and D require using external ECG cable and
electrode, which is a bit more complicated, but offers ST segment value
and better measurement. No matter which method you choose to
measure ECG, please keep stable posture and stay calm during the
measurement. Movements may result in interference and incorrect
readings or analysis result.
The most suitable method or procedure depends on the heart
configuration (shape of the heart) of each individual user. If it is not
possible to take stable measurements using a given measurement method,
this could have a harmless cause such as the shape of the heart. However,
the cause may also be an illness or disease. Generally it is recommended
to use method A in most situations. If the ECG waveform amplitude is too
small, then use method B. Choosing method C or D when ST segment
reading is needed, or for doctor to better interpret.
Measuring without Cable
To start an ECG Recorder measurement without cable,
1. If the device is in Calendar Screen, press the Home button.
2. In the Main Screen, tap the <ECG Recorder> icon.
3. Choose the method A or B.
4. Follow the instruction according to the mode you selected.

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Press the right thumb on the right electrode;
Press the right forefinger on the back electrode;
For method A, press the left electrode to the left palm;
For method B, press the left electrode to the left lower abdomen;
Do not press the device too firmly against your skin, which may result
in EMG (electromyograph) interference. After you finish the above
steps, hold the device stably and stay calm.
5. Once the device detects stable waveform, it will automatically start
the measurement. The countdown bar moves from left to right.
6. When the bar if fully filled, the device will analysis your data, and
then show the measurement result.
Please refer to Section 2.4 to understand the result screen.
Measuring with Cable
To start an ECG Recorder measurement with cable,
1. If the device is in Calendar Screen, press the Home button.
2. In the Main Screen, select <ECG Recorder>.
3. Choose the method C or D.
4. Follow the instructions to connect the ECG cable and place the ECG
electrodes.

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Sit down or stand, stay calm;
Palms facing up, place an electrode in the middle of right wrist;
For method C, place another electrode in the middle of left wrist;
For method D, place another electrode in the left lower
abdomen;
5. The display will then show your ECG waveform.
The device will monitor your ECG continuously, however no data will
be saved until you press the button.
6. Press the button to start collecting your ECG data. The countdown
bar moves from left to right.
7. When the bar is fully filled, the device will analysis your data, and
then show the measurement result.

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Please refer to Section 2.4 to understand the result screen.
Quick ECG
If the <Quick ECG> function is enabled, then you can start an ECG
measurement very quickly by picking up the device and hold it according
to method A. This saves time and is much easier for use. Especially for
some people whose sight is not good, or when you feel a bit abnormal
during sleep and don’t want to turn on the lights. To enable this function,
please refer to Section 5.5.
4.4 Oximeter
About Oximeter
Warnings and Cautionary Advices
Before using this function, please read the Section 4.1.
The Checkme Health Monitor measures the amount of oxygen in your
blood, your pulse rate and pulse index. The Checkme works by shining two
light beams into the small blood vessels or capillaries of the finger,
reflecting the amount of oxygen in the blood and displaying the
measurement on the screen. The oxygen saturation (SpO2) is measured
and displayed as a percentage of full capacity. Your pulse rate (PR) and
pulse index (PI) will also be measured and displayed.
Measuring without Cable
To start a Oximeter measurement without cable,
1. If the device is in Calendar Screen, press the Home button.
2. In the Main Screen, tap the “Pulse Oximeter” icon.
3. Insert the forefinger into the built-in SpO2sensor as shown below.