Wrist Blood
Pressure Monitor
Model RS8
Instruction Manual
Introduction
Thank you for purchasing the OMRON RS8 Wrist Blood Pressure Monitor.
The OMRON RS8 is a compact and easy to use blood pressure monitor, operating on the oscillometric principle. It measures your blood pressure and pulse rate simply and quickly. For comfortable controlled inflation without the need of pressure
Intended Use
This product is designed to measure the blood pressure and pulse rate of people within the range of the designated wrist cuff, following the instructions in this instruction manual.
It is mainly designed for general household use. Please read the Important Safety Information in this instruction manual before using the unit.
Please read this instruction manual thoroughly before using the unit.
Please keep for future reference.
For specific information about your own blood pressure,
CONSULT YOUR DOCTOR.
Important Safety Information
Consult your doctor prior to using in pregnancy or if diagnosed with arrhythmia or arteriosclerosis.
Please read this section carefully before using the unit.
Warning:
•Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
(General Usage)
•Always consult your doctor.
•People with severe blood flow problems, or blood disorders, should consult a doctor before using the unit, as cuff inflation can cause internal bleeding.
(Battery Usage)
•If battery fluid should get in your eyes, immediately rinse with plenty of clean water. Consult a doctor immediately.
Caution:
•Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury to the user or patient or damage to the equipment or other property.
(General Usage)
•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 mobile phone or other devices that emit electromagnetic fields, near the unit. This may result in incorrect operation of the unit.
•Do not disassemble the unit or wrist cuff.
•Do not operate the unit in a moving vehicle (car, airplane).
(Battery Usage)
• If battery fluid should get on your skin or clothing, immediately rinse |
1.Overview
Main unit:
D E
F
A
G
B
H
C
JI
A.Wrist cuff
B.Battery compartment
C.Display
D.User ID selection switch
E.Weekly average ( 
) button
F.Memory ( 
) button
G.Transfer area
H.START/STOP button
I.Date/Time setting ( 
) button
J.Date/Time setting ( 
) button
Display:
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FR
U T S
A.Memory symbol
B.Systolic blood pressure
C.Diastolic blood pressure
D.Battery low symbol
E.Heartbeat symbol (Flashes during measurement)
F.Irregular heartbeat symbol
G.Average value symbol
H.Date/Time display
I.Morning average symbol
J.Evening average symbol
K.Blood pressure trend graph
L.Blood pressure level indicator
M.Positioning indicator
N.Positioning symbol
O.Cuff wrapping guide
P.User ID symbol (A or B)
Q.OK symbol
R.Transfer indicator
S.Deflation symbol
T.Pulse display and Memory number
U.Movement error symbol
2.Preparation
2.1Installing/Replacing the Batteries
1. Remove the battery cover.
2.Insert two 1.5 V “AAA”
alkaline (LR03) batteries as indicated in the battery compartment and then replace the battery cover.
Notes:
•If the battery low symbol (
) appears on the display, turn off the unit then replace both batteries at the same time.
•The measurement values continue to be stored in memory even after the batteries are replaced.
Disposal of used batteries should be carried out in accordance with the national regulations for the disposal of batteries.
2.2Setting the Date and Time
1.Press the 
button.
2.Set the monitor to the correct date and time before taking a measurement for the first time.
1) Push the 
button to change.
• Hold down to advance the digit rapidly.
2)Push the 
button to confirm.
• Next setting appears.
Year
Month
Day
Hour
Minute
3.Press the START/STOP button to store the setting.
Notes:
•If the batteries have been removed, the date and time setting will need to be reset.
•If the date and time are not set,
3.Using the Unit
3.1Applying the Wrist Cuff
Do not apply over clothing.
1. Put your arm through the cuff loop.
Your palm should face upward.
3.2 How to Sit Correctly
To take a measurement, you need to be relaxed and comfortably seated, under comfortable room temperature. No bathing, drinking alcohol or caffeine, smoking, exercising or eating 30 minutes before taking a measurement.
• Sit on a chair with your feet flat on the floor.
• Sit upright with your back straight.
• The cuff should be at the same level as your heart.
•Relax your wrist and hand. Do not bend your wrist back, clench your fist, or bend your wrist forward.
3.3 Taking a Reading
Notes:
•To cancel a measurement, press the START/STOP button at any time during measurement.
•Remain still while taking a measurement.
1. Select your User ID.
2.Press the START/STOP button.
All the symbols appear on the display.
While your position is improper, the Positioning symbol and the Positioning indicator flash, when you are in proper position the Positioning symbol lights on the display.
The monitor is in | The monitor is higher | The monitor is lower |
proper position. | than the heart. | than the heart. |
After the Positioning symbol lights for more than 2 seconds, the wrist cuff will start to inflate automatically.
Alternating date/time display
Cuff Wrapping Guide
START | INFLATE | DEFLATE | COMPLETE |
Cuff Wrapping Guide
The Cuff Wrapping Guide is a unique feature that indicates if the cuff is not wrapped tightly enough around the wrist. Even when the 
is displayed, a blood pressure reading will be taken.
Note: This reading is NOT reliable due to the incorrect wrapping of the cuff. Please wrap the cuff again, taking care to wrap it correctly and take the measurement again. When the is displayed, the cuff is correctly
• 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 you have taken a measurement, repeat the measurement. If the irregular heartbeat symbol ( 
) is shown frequently, please make your doctor aware of it.
• If you move during measurement, the movement error symbol (
) will appear on the display. Keep still and repeat the measurement.
Notes:
•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.
•The blood pressure can differ between the right arm and the left arm, and therefore also the measured blood pressure values can be different. OMRON recommends to always use the same arm for measurement. If the values between the two arms differ substantially, please check with your physician which arm to use for your measurement.
Warning:
3.4Setting the Positioning Sensor
1.Press and hold the 
button to reset the Positioning sensor. The Positioning sensor is set “on” as default.
2.Press the START/STOP button to store the setting.
3.5Using the Memory Function
The monitor automatically stores the result up to 100 sets for each user (A and B).
It can also calculate an average reading based on the measurements from the last three readings taken within 10 minutes. If there are only two readings in memory for that period, the average will be based on two readings. If there is one reading in memory for that period, the average will be based on one reading.
Notes:
•If the memory is full, the monitor will delete the oldest readings.
•When viewing the reading taken without setting the date and time,
To View the Average Value
1.Select your User ID.
2. Press the 
button.
Note: If there are no measurements
with plenty of clean water. |
• Use only two “AAA” alkaline (LR03) batteries with this unit. Do not |
use other types of batteries. |
• Do not insert the batteries with their polarities incorrectly aligned. |
• Replace old batteries with new ones immediately. Replace both |
batteries at the same time. |
• Remove the batteries if the unit will not be used for three months or |
more. |
• Do not use new and used batteries together. |
General Precautions
•Do not apply strong shocks and vibrations to or drop the unit.
•Do not take measurements after bathing, drinking alcohol or caffeine, smoking, exercising or eating.
•Do not inflate the wrist cuff when it is not wrapped around your wrist.
•Read and follow the “Important information regarding Electro Magnetic Compatibility (EMC)” in the Technical Data Section.
•Read and follow the “Correct Disposal of This Product” in the Technical Data Section when disposing of the device and any used accessories or optional parts.
2.Wrap the wrist cuff around your wrist.
Wrap the wrist cuff securely around the wrist for taking accurate measurements.
Make sure that the wrist cuff does not cover the protruding part of the wrist bone (ulna) on the outside of the wrist.
Notes:
•You can take a measurement on either your left or right wrist.
•If the wrist cuff comes off, assemble as shown in the figure.
1
2 
wrapped tightly enough on the wrist and the reading is accurate and reliable.
3.Undo the wrist cuff and remove the unit.
4.Press the START/STOP button to turn off the monitor.
The monitor automatically stores the measurement in its memory. It will automatically turn off after two minutes.
Important:
• Recent research suggests that the following values can be used as a guide to high blood pressure for measurements taken at home.
Systolic Blood Pressure | Above 135 mmHg |
Diastolic Blood Pressure | Above 85 mmHg |
This criteria is for home blood pressure measurement.
results stored in the memory, the screen to the right is displayed.
