9. Some Useful Information about Blood Pressure ...........37
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Introduction
Thank you for purchasing the OMRON M1 Plus Upper Arm
Blood Pressure Monitor.
The OMRON M1 Plus is a manual inflation blood pressure
monitor, operating on the oscillometric principle. It measures
your blood pressure and pulse rate simply and quickly.
The unit also stores up to 21 measurements in memory and
calculates an average reading based on the three most recent
measurements taken within 10 minutes of the last reading. (If
there are only two readings in memory for that period, the
average will be based on two readings. If there is only one
reading in memory for that period, that reading will be
displayed as the average value.)
Please read this instruction manual thoroughly before
using the unit. For specific information about your own
blood pressure, CONSULT YOUR DOCTOR.
EN
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Important Safety Information
Consult your doctor during pregnancy, arrhythmia and
arteriosclerosis.
You should never change the dosage of medication prescribed by
your doctor.
Use the M1 Plus only for yourself.
Caution:
• Do not leave the unit unattended with infants or persons who
cannot express their consent.
• Do not use the unit for any purpose other than measuring
blood pressure.
• Do not use a cellular phone near the unit. This may result in
incorrect operation of the unit.
• Do not operate unit in a moving vehicle (car, airplane).
• Do not apply strong shocks and vibrations to or drop the main
unit and arm cuff.
• Only use four
unit. Do not use other types of batteries.
• When using batteries, the battery liquid may leak and damage
the main unit.
• Please observe the following points.
- Do not insert the batteries with their polarities incorrectly aligned.
- Replace old batteries with new ones immediately.
- When you are not going to use the unit for a long period of time
(approximately three months or more), take out the batteries.
- Do not use new and used batteries together.
- Do not use batteries of a different type together.
• Do not forcibly bend the arm cuff or bend the air tube
excessively.
• When removing the air tube, pull on the edge of the tube at
the connection with the main unit not the middle of the tube.
• Do not inflate the arm cuff when it is not wrapped around your
arm.
“AAA” manganese or alkaline batteries with this
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1. Overview
Main unit
A
E
B
CC
D
1.Overview
F
A. Display
B. SET button
C. Air connector
D. MEMORY button
E. I/O button
F. Battery compartment
EN
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1.Overview
Arm Cuff
G. Arm cuff
(Medium cuff: arm circumference 22-32 cm)
H. Air Tube
If air starts to leak from the arm cuff, please replace with a new
one. (Refer to Chapter 7 “Optional Parts”)
Inflation Bulb
HG
J
I
K
I. Air Release Button
J. Air Tube
K. Air Inflation Bulb
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Display
L
M
N
O
P
Q
L. Systolic blood pressure
M. Diastolic blood pressure
N. Memory symbol
(Displayed when viewing
values stored in memory)
O. Average value symbol
(Displayed when viewing
average value for the last three
measurements)
P. Buzzer symbol
Q. Battery low symbol
Package contents
1.Overview
R
S
T
U
V
W
R. Heartbeat symbol
1. (Flashes during measurement)
2. (If flashing after measurement
is complete, indicates blood
pressure out of recommended
range)
S. Pulse
T. Deflation symbol
U. Date/Time
V. Irregular heartbeat symbol
W. Reinflation symbol
X. Storage case
Y. Four “AAA” alkaline (LR03)
batteries
EN
YX
• Instruction manual
• Guarantee card
• Blood pressure pass
• Blood Pressure Monitor unit
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2.Preparation
2. Preparation
2.1Installing/Replacing the Batteries
1. Turn the main unit upside down.
2. Slide the battery cover in the
direction of the arrow while
pressing the ribbed part of the
cover.
3. Install or replace four “AAA”
size batteries so that the
+ (positive) and - (negative)
polarities match the polarities
indicated on the battery
compartment.
4. Put the battery cover back in
place.
Slide the battery cover as indicated, until it clicks into place.
Note: The measurement values continue to be stored in
memory (for maximum 30 seconds) even after the
batteries are replaced.
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Battery Life & Replacement
If the battery low symbol () appears on the display, replace
all four batteries at the same time.
- When the battery low symbol () starts to blink, you will still
be able to use the unit for a short while. You should replace
the batteries with new ones ahead of time.
- When the symbol () remains lit, the batteries are
exhausted. You should replace the batteries with new ones
at once.Turn the unit off before replacing the batteries.
• Remove the batteries if the unit will not be used for three
months or more.
• If the batteries are removed for 30 seconds, the Date/Time
setting will need to be reset. See “2.2 Setting the Date and
Time” for details.
• Dispose of batteries according to applicable local regulations.
Four new
“AAA” alkaline batteries will last for approximately
1500 measurements, when used to take two measurements a
day.
Since the supplied batteries are for monitoring use only, they
may have a shorter life and not last for 1500 measurements.
2.Preparation
EN
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2.Preparation
2.2Setting the Date and Time
Your blood pressure monitor automatically stores up to 21
measurements values, including date and time of
measurement, in its memory and calculates an average value
based on the three most recent measurements taken within 10
minutes of the last reading. (If there are only two readings in
memory for that period, the average will be based on two
readings. If there is only one reading in memory for that period,
that reading will be displayed as the average value.)
To make use of the memory and average values functions:
• Set the unit to the correct date and time before taking a
measurement for the first time.
• If the batteries have been removed for more than 30 seconds,
the date and time setting will need to be reset.
1. When the I/O button is
pressed to turn the unit on for
the first time after inserting
batteries, the year digits
(2005) will flash on the
display.
2. Press the MEMORY button to
advance the digits one at a
time.
Notes:
• The range for the year
setting is 2005 to 2030. If the
year reaches 2030, it will
return to 2005.
• If you hold down the
MEMORY button, the digits
will advance rapidly.
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3. Press the SET button to confirm the setting when the desired
number appears on the display.
The year is set and the month digits flash on the display.
4. Repeat steps 2 and 3 to set
the month.
The month is set and the day
digits flash on the display.
5. Repeat steps 2 and 3 to set
the day.
The day is set and the hour
digits flash on the display.
6. Repeat steps 2 and 3 to set
the hour.
The hour is set and the
minutes digits flash on the
display.
2.Preparation
EN
7. Repeat steps 2 and 3 to set
the minutes.
The minutes settings is set.
The unit automatically
switches to standby mode
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2.Preparation
after the minute setting has been set.
To adjust the date and time, press the SET button twice while
the monitor is in standby mode.
Notes:
• After the buzzer setup is completed, the time/date setting will
flash on the display.
• After each setup is completed, please push the I/O button to
turn off the monitor.
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2.3Adjusting the Settings Modes
You can modify the options for the various settings of your unit.
This is done by pressing the SET button to select a setting,
then pressing the MEMORY button to select the options for that
setting. After selecting a setting, press the I/O button to confirm
the setting and turn the power off.
Buzzer Mode
When Buzzer mode is on, the unit emits sounds, during
measurement (to indicate that pulse waves are detected), and
when measurement is complete.
1. Press the SET button once
while the unit is in standby
mode.
The buzzer symbol
appears on the display.
2. Press the MEMORY button to select
“on” or “off”.
The setting alternates between “on”
and “off” with each press of the
MEMORY button.
The default setting is “on”.
2.Preparation
EN
3. When you have selected the desired setting, press the I/O
button to turn the unit off.
Notes:
• If you want to adjust the date or time, press the SET button
after setting the buzzer setting, follow steps for setting date
and time (Refer to 2.2) press the I/O button to turn the unit off.
• If you forget to turn the unit off, it will automatically shut itself
off after five minutes.
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3.Using theUnit
3. Using the Unit
3.1
How to Sit Correctly When Taking a Measurement
You can take a measurement on either your left or right arm.
Note:
• Measurements should be taken in a quiet place and you
should be in a relaxed, seated position. Make sure that the
room is not too hot or cold.
• Do not take measurement after bathing, drinking alcohol, or
exercising.
• Do not move or talk during measurement.
Correct
Posture
Sit upright
with your
back straight.
Remove tight fitting clothing from
your upper arm, and any thick
clothing such as a sweater.
Do not place the cuff over thick
clothes and do not roll up your sleeve
if it is too tight.
Place your arm on a table so
that the cuff will be at the same
level as your heart.
14
The gap between the
chair and the top of the
table should be between
25cm to 30cm.
HEM-4011C.book Page 15 Tuesday, August 9, 2005 10:35 AM
Notes:
• Correct posture during measurement is necessary to get
accurate results.
• You should also try to measure your blood pressure at the
same time each day. (Within 1 hour after waking up is
recommended.)
Incorrect Posture
• Arched back (leaning
forwards)
• Sitting cross-legged
• Sitting on a sofa or at a low
table so that you lean forward
These situations tend to lead to higher blood pressure values due to
strain or the arm cuff being lower than the heart.
If the arm cuff is at a lower position than your heart use cushions
etc., to adjust the height of your arm.
3.Using the Unit
15
EN
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3.Using the Unit
3.2Applying the Arm Cuff
Be sure to wrap the arm cuff correctly so that you get accurate
results.
Measurements can be taken in light clothing. However, please
remove thick clothes, such as sweaters, before taking a
reading.
1. Connect the air tube of the arm cuff and the inflation bulb to
their respective air connectors.
2. Put your left arm through the cuff
loop.
The air tube should run down the
inside of your forearm and be in line
with your middle finger.
16
Note: If the cuff is not assembled,
pass the end of the cuff
furthest from the tubing
through the metal D-ring to
form a loop. The smooth cloth
should be on the inside of the
cuff loop.
HEM-4011C.book Page 17 Tuesday, August 9, 2005 10:35 AM
3. Position the arm correctly.
1) The air tube should run
down the inside of your
forearm and be in line with
your middle finger.
2) The bottom of the cuff
should be approximately 1
to 2 cm above your elbow.
3) Apply the cuff to your
upper arm so that the
coloured marker (blue
arrow under tube) is
centered on the middle of
your inner arm and points
down the inside of the
arm.
Taking measurements on the right arm
Apply the cuff so that the
air tube is at the side of
your elbow.
• Be careful not to rest
your arm on the air tube,
or otherwise restrict the
flow of air to the cuff.
• The cuff should be 1 to 2
cm above the elbow.
3.Using the Unit
EN
1 to 2 cm
4. When the cuff is positioned correctly, close the fabric fastener
FIRMLY.
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3.Using the Unit
3.3Taking a Reading
1. Turning on the unit.
Note:
Press the air release button to release any air in the arm cuff.
1) Press the I/O button to turn the unit on.
2) All items in the display will be displayed briefly.
The battery symbol will also be displayed for test purposes.
This does not mean the batteries are empty.
3) The current date is displayed and the deflation symbol will flash.
4) Finally, the heartbeat symbol will appear and the current time
and 0 is displayed.
Note: If the deflation symbol does not disappear soon, press
the air release button to release any air in the arm cuff.
2. Pump the inflation bulb to inflate the arm cuff.
1) Inflate the cuff until it is 30 to 40
mmHg above your expected
systolic blood pressure value.
ex) If your expected blood
pressure is around 140mmHg,
inflate the arm cuff to between 170
and 180 mmHg. Inflate the cuff
rapidly so that the pressure is
reached in about five seconds.
2) When the desired pressure has been achieved, release the
inflation bulb. Remain still and do not talk.
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• The current time continues to be displayed while the cuff is
being inflated.
Note: Do not inflate the arm cuff more than necessary.
3. Measurement starts.
Measurement starts automatically
after you stop inflating the arm cuff.
Decreasing numbers appear on the
display and the heartbeat symbol
flashes.
Remain still and do not talk during measurement.
During measurement, the buzzer (if set to “on”) will beep in
rhythm with your heartbeat.
Note: To cancel a measurement, press the I/O button to turn
off the unit and press the air release button to release
the air in the arm cuff.
Common Causes of Inaccurate Results
during measurement.
3.Using the Unit
Leaning forwards.Arm cuff is too loose.Movement or talking
EN
Note: If the arm cuff is at a lower position than
your heart use cushions etc., to adjust the
height of your arm.
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3.Using the Unit
The deflation symbol flashes on the
display. Blood pressure and pulse
rate values are displayed.
4. Measurement ends.
Press the air release button to
release the air in the arm cuff until
the deflation symbol is no longer
displayed.
5. Check the measurement results.
The unit automatically stores blood
pressure and pulse rate into its
memory, including date and time of
measurement. Refer to “3.4 Using
the Memory Function”.
The buzzer will sound (if switched
on) when measurement is completed.
Systolic blood
pressure
Diastolic blood
pressure
Pulse
Notes:
• Self-diagnosis of measured results and treatment are
dangerous. Please follow the instructions of your doctor.
• Wait 2-3 minutes before taking another blood pressure
measurement. Waiting between readings allows the arteries
to return to the condition prior to taking the blood pressure
measurement.
6. Undo the fastener and remove the arm cuff.
7. Press the I/O button to turn the unit off.
Note: If you forget to turn the unit off, it will automatically shut
itself off after five minutes.
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Important:
• If your systolic or diastolic pressure is outside
the standard range, the heartbeat symbol will
blink when the measurement result is
displayed.
Recent research suggests that the following
values can be used as a guide to high blood
pressure for measurements taken at home.
Systolic Blood PressureAbove 135 mmHg
Diastolic Blood PressureAbove 85 mmHg
This criteria is for home blood pressure measurement.
For professional office blood pressure measurement criteria,
please refer to Chapter 9 “Some Useful Information about
Blood Pressure”
• Your blood pressure monitor includes an
irregular heartbeat feature. Irregular heartbeats
can influence the results of the measurement.
The irregular heartbeat algorithm automatically
determines if the measurement is usable or
needs to be repeated. If the measurement
results are affected by irregular heartbeats but
the result is valid, the result is shown together
with the irregular heartbeat symbol ( ). If the irregular
heartbeats cause the measurement to be invalid, no result is
shown. If the irregular heartbeat symbol ( ) is shown after
your have taken a measurement, repeat the measurement. If
the irregular heartbeat symbol ( ) is shown frequently,
please make your doctor aware of it.
3.Using the Unit
EN
21
N
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3.Using the Unit
What is Irregular Heartbeat?
An irregular heartbeat is a
heartbeat rhythm that varies
by more than 25% from the
average heartbeat rhythm
detected while the unit is
measuring the systolic and
diastolic blood pressure.
If such an irregular rhythm is
detected more than twice
during measurement, the irregular heartbeat symbol ( )
appears on the symbol when the measurement results are
displayed.
What is Arrhythmia?
A heartbeat is stimulated by electrical signals that cause the
heart to contract.
Arrhythmia is a condition where the heartbeat rhythm is
abnormal due to flaws in the bio-electrical system that drives
the heartbeat. Typical symptoms are skipped heartbeats,
premature contraction, an abnormally rapid (tachycardia) or
slow (bradycardia) pulse. This can be caused by heart disease,
aging, physical predisposition, stress, lack of sleep, fatigue etc.
Arrhythmia can only be diagnosed by a doctor through a
special examination.
Whether the appearance of the irregular heartbeat symbol
() in the results indicates arrhythmia or not can only be
determined by an examination and diagnosis by your doctor.
If the irregular heartbeat symbol ( ) is shown frequently,
please make your doctor aware of it. Conducting self-diagnosis
and treatment based on measurement results is dangerous. Be
sure to follow the instructions of your doctor.
Blood pressure
Blood pressure
ormal Heartbeat
Pulse
Irregular Heartbeat
Pulse
Short
Long
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3.4Using the Memory Function
This unit has a memory capable of storing 21 sets of readings.
Every time you complete the measurement, the unit
automatically stores the blood pressure and pulse rate.
If there are three readings within 10 minutes of the last reading,
the average of the three readings is displayed. (If there are only
two readings in memory for that period, the average will be based
on two readings. If there is only one reading in memory for that
period, that reading will be displayed as the average value.)
Note: When 21 sets of readings are stored in memory, the
oldest set will be deleted to store a new set.
1. Press the O/I button to turn the
power on.
2. When the heartbeat symbol appears
on the display, press the MEMORY
button.
3.Using the Unit
EN
If there are three readings stored in
memory that were taken within 10
minutes of the last reading, an
average value for those reading is
displayed. (If there are only two
readings in memory for that period, the average will be based
on two readings. If there is only one reading in memory for that
period, that reading will be displayed as the average value.)
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3.Using the Unit
Note: If there are no measurements results stored in
memory, the screen to the right is displayed.
3. Press the MEMORY button again,
while the average values screen is
displayed.
The result from the most recent
measurement is displayed.
The date and time of each
measurement is displayed alternately
with the measurement values.
Important: If your systolic or diastolic pressure
is outside the standard range, the
heartbeat symbol will blink when
the measurement result is
displayed. Refer to 3.3, number 7.
4. Press the MEMORY button
repeatedly to cycle through the
previous measurement results.
Keep the button pressed down to
cycle rapidly through the previous
results.
If the irregular heartbeat symbol was displayed at the time of a
measurement, this is displayed when that result is displayed.
5. Press the I/O button to turn the unit off.
If you forget to turn the unit off, it will automatically shut itself off
after five minutes.
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To Delete All the Values Stored in Memory
You cannot delete individual stored readings, all the readings in
the unit will be deleted.
1. To delete stored readings, first press
the MEMORY button. Then while
holding it down, press the I/O button
simultaneously for about 2-3
seconds. All readings will then be
deleted.
Important: Be careful not to press
the I/O button first. If the
I/O button is pressed
first, the monitor is shut
off.
2. Press the I/O button to turn the unit off.
If you forget to turn the unit off, it will automatically shut itself off
after five minutes.
3.Using the Unit
2
1
Notes:
• If the date and time are reset to a time before the most recent
measurement, the average value will be based on any
measurements taken after the date and time were reset.
However, you can still view the readings stored in memory.
• Please note that all measurements are stored in the memory. If
different people measure with the same device, make sure that
you are aware of this fact.
EN
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4.Quick Reference Guide
4. Quick Reference Guide
Use this as a quick reference guide only. If you are using this
device for the first time, please read carefully Chapter 3 of this
Instruction Manual.
To help ensure a reliable reading, avoid eating, smoking, or
exercising for at least 30 minutes before taking a measurement.
Note: Remove any tight-fitting clothing from your upper arm.
1. Sit on a chair with your
feet flat on the floor and
place your arm on a table
so that the arm cuff will be
at the same level as your
heart.
2. Apply the arm cuff to your upper arm. The coloured marker
should be centred on the inside of your arm and point down the
inside of the arm, so that the air tube runs down the inside of
your forearm and is in line with your middle finger.
3. Secure the cuff around your arm using the fabric fastener strip.
4. Press the I/O button to turn the unit on, then
pump the inflation bulb to inflate the cuff.
After measurement is complete and the
measurement results are displayed, press
the air release button to release any air in
the cuff.
5. Press the I/O button to turn the unit off.
Note: Always wait at least 2-3 minutes before taking another
blood pressure measurement.
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5. Handling Errors and Problems
5.1Error Messages
Error DisplayCauseRemedy
Cuff is under inflated.
Movement during
measurement
Air tube disconnected.
Arm cuff not applied
correctly.
Clothing is interfering
with the arm cuff.
Air is leaking from the
arm cuff.
5.Handling Errors and Problems
Press air release button and
restart the measurement with a
higher inflation level. Carefully
read steps under section 3.3.
Repeat measurement. Remain
still and do not talk during
measurement.
Refer to section 3.3.
Insert the air tube securely.
Refer to section 3.2.
Apply the arm cuff correctly.
Refer to section 3.2.
Remove any clothing interfering
with the arm cuff.
Refer to section 3.2.
Replace cuff with new one.
Refer to Chapter 7.
EN
Blinks or appears
continuously
The arm cuff was inflated
above 299 mmHg.
Battery power is low.
Release your hand from the air
inflation bulb before the pressure
reaches 299 mmHg.
Refer to section 3.3.
Replace all four “AAA” batteries
with new ones.
Refer to section 2.1.
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5.Handling Errors and Problems
Error DisplayCauseRemedy
Contact your OMRON retail outlet
Device error.
Pressure is too low.
Note: The irregular heartbeat symbol may also be displayed with error messages.
or distributor.
Refer to Chapter 8.
Press the inflation bulb to inflate
the arm cuff until the reinflation
symbol goes out. Or, deflate the
arm cuff and repeat measurement
after checking that the heartbeat
symbol has been displayed.
Refer to section 3.3.
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5.2Troubleshooting
ProblemCauseRemedy
5.Handling Errors and Problems
The reading is
extremely low (or high).
Arm cuff pressure does
not rise.
Arm cuff deflates too
soon.
Cannot measure or
readings are too low or
too high.
The unit loses power
during measurement.
Arm cuff not applied
correctly.
Movement or talking
during measurement.
Clothing is interfering
with the arm cuff.
Is the air tube securely
connected into the main
unit?
Air is leaking from the
arm cuff.
The arm cuff is loose.
Has the arm cuff been
inflated sufficiently?
Is the air release button
being pressed during
inflation?
The batteries are empty.
Apply the arm cuff
correctly.
Refer to section 3.2.
Remain still and do not talk
during measurement.
Refer to section 3.3.
Remove any clothing
interfering with the arm
cuff.
Refer to section 3.1.
Make sure that the air tube
is connected securely.
Refer to section 3.2.
Replace the arm cuff with
a new one.
Refer to Chapter 7.
Apply the cuff correctly so
that it is firmly wrapped
around the arm.
Refer to section 3.2.
Inflate the cuff so that it is
30 to 40 mmHg above
your previous
measurement result.
Refer to section 3.3.
Be careful not to press the
air release button during
measurement.
Replace the batteries with
new ones.
Refer to section 2.1.
EN
29
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5.Handling Errors and Problems
ProblemCauseRemedy
The batteries are empty.
Nothing happens when
you press the buttons.
Other problems.
The batteries have been
inserted incorrectly.
Press the I/O button and repeat measurement.
If the problem continues, try replacing the batteries
with new ones.
If this still does not solve the problem, contact your
OMRON retail outlet or distributor.
Replace the batteries with
new ones.
Refer to section 2.1.
Insert the batteries with
the correct (+/ -) polarity.
Refer to section 2.1.
30
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