CareOne Automatic Blood Pressure Monitor Manual – Homedics AHBPA-040
- June 8, 2024
- Homedics
Table of Contents
Automatic
Blood Pressure Monitor
IMPORTANT PRODUCT NOTICES AND SAFETY
INSTRUCTIONS
When using your blood pressure monitor, basic precautions should always be
followed. Please read and follow all instructions and warnings before using
this product. Save these instructions for future reference.
- 
Please note that this is a home healthcare product only and it is not 
 intended to serve as a substitute for the advice of a physician or medical
 professional.
- 
This device uses the oscillometric method to measure systolic and 
 diastolic blood pressure, as well as heart rate.
- 
Do not use this device for diagnosis or treatment of any health problem or 
 disease. Measurement results are for reference only. Consult a healthcare
 professional for interpretation of blood pressure measurements. Contact
 your physician if you have or suspect any medical problem. Do not
 change your medications without the advice of your physician or
 healthcare professional.
- 
This device may have difficulty determining the proper blood pressure 
 for pregnant women, individuals with irregular heartbeat, diabetes, poor
 circulation of blood, kidney problems or for users who have suffered from
 a stroke.
- 
Excessive use may result in blood flow interference, which is likely 
 to cause uncomfortable sensations, such as partial subcutaneous
 hemorrhage, or temporary numbness to your arm. In general these
 symptoms should not last long. However, if you do not recover in time,
 please seek advice from a medical professional.
- 
Proper cuff size is critical for accurate measurements. Follow the 
 instructions in this manual and printed on the arm cuff to ensure the
 appropriate size of cuff is being used.
- 
The pulse display is not suitable for checking the frequency of heart 
 pacemakers.
- 
Electromagnetic interference: The device contains sensitive electronic 
 components. Avoid strong electrical or electromagnetic fields in the direct
 vicinity of the device (e.g. mobile telephones, microwave ovens). These may
 lead to temporary impairment of measurement accuracy.
- 
Consider the electromagnetic compatibility of the device (ex. power 
 disturbance, radio frequency interference etc.) Please use this device
 indoors only.
- 
Use blood pressure monitor only for its intended use. 
- 
Do not wrap the cuff around body parts other than your arm. 
- 
Not for use by or on persons under the age of 18. 
- 
Do not use this device on infants, children, or those who cannot express 
 their own intention.
- 
Use only 1.5V “AA” alkaline batteries for power supply. 
Blood pressure measurements determined with this device are equivalent to
those obtained by a trained observer using the cuff/stethoscope auscultatory
method, within the limits prescribed by the American National Standard,
Manual, electronic, or automated sphygmomanometers.
ABOUT BLOOD PRESSURE
What is Blood Pressure?
Blood pressure is the pressure exerted on the artery walls while blood
flows through the arteries. The pressure measured when the heart
contracts and sends blood out of the heart is systolic (highest) blood
pressure. The pressure measured when the heart dilates with blood
flowing back into the heart is called diastolic (lowest) blood pressure.
Why Measure Your Blood Pressure?
Among today’s various health problems, those associated with high
blood pressure are very common. High blood pressure dangerously
correlates with cardiovascular diseases. Therefore, blood pressure
monitoring is important for identifying those at risk.
BLOOD PRESSURE STANDARD
The table on page 7 contains defined levels for hypertension that are
publicly available from the National Heart Lung and Blood Institute at the
U.S. National Institutes of Health (NIH)
(http://www.nhlbi.nih.gov/health/dci/Diseases/Hbp/HBP_WhatIs.html). Users
can compare their own blood pressure readings against these defined levels
to determine if they may be potentially at increased risk.
This table is applicable to most adults aged 18 and older.
Blood pressure tends to go up and down, even in people who normally
don’t have high readings. If your numbers stay above the “normal” range
most of the time, you may be at increased risk and should consult your
physician.

Although one can easily find where their own blood pressure readings fall
on this table, this monitor comes equipped with a Risk Category Index that
automatically compares each reading to the defined levels and provides a
helpful cue if your reading falls into one of the stages that could
potentially
indicate increased risk. See page 20 for more information on this feature.
Please note that cues provided by this monitor are only intended to
assist you in using this table. The table and cues are only provided for
convenience to help you understand your non-invasive blood pressure
reading as it relates to the NIH information. They are not a substitute for a
medical examination by your physician. It is important for you to consult
with your physician regularly. Your physician will tell you your normal blood
pressure range as well as the point at which you may actually be considered
to be at risk.
HOW THIS BLOOD PRESSURE MONITOR WORKS
This monitor uses innovative technology to detect your blood
pressure. This technology enables the monitor to automatically
inflate and deflate at the appropriate level for each individual. With
one touch of a button, the cuff will automatically inflate to block the
blood flow through your artery. Next, the deflation process starts.
Please note that any muscle movement during inflation or deflation
will cause measurement error. When measurement is complete, the
monitor will display your systolic pressure, diastolic pressure, and
pulse readings.
The monitor automatically finds where your measurement results fall on
the NIH’s National Heart Lung and Blood Institute’s table and provides
a cue if your reading falls into one of the stages that could potentially
indicate increased risk. See page 20 for more information on this feature.
NAME/FUNCTION OF EACH PART
DISPLAY EXPLANATIONS

Display Symbols:

If and any of the following letters and numbers appear in the
area that systolic pressure should be displayed, an error has occurred
with your reading. See Troubleshooting section of this manual for
more information.
INSTALLING BATTERIES
- 
Press down on latch and lift the battery cover to open the 
 battery compartment.
- 
Install or replace 4 “AA” 
 sized batteries in the battery
 compartment according to the indications inside the
 compartment.
- 
Close the battery cover by pushing in the top end of the 
 battery door.
Replace the batteries if:
- The weak battery symbol appears on the display.
- Nothing appears on the display when the power is switched on.
Replace all batteries at one time (as simultaneous set). Use only
1.5V “AA”
alkaline batteries. Remove batteries when unit is not
in use for extended periods of time. Date and time will need to
be reset if batteries are removed or replaced. Clean contacts on
battery and in battery compartment with a soft dry cloth each time
you install batteries.
Note:
Batteries are hazardous waste. Do not dispose of them together
with the household garbage.
DATE & TIME SET PROCEDURE
- 
To adjust the date/time, press the SET button . 
- 
The display will show a blinking number showing 
 the MONTH. Change the MONTH by pressing the
 button. Each press will increase the number by one in
 a cycling manner. Press the SET button again to
 confirm the entry, and the screen will show a blinking
 number representing the DAY of the month.
- 
Change the DAY, HOUR, and MINUTE as described 
 in Step 2 above, using the button to change the
 numbers and the SET button to confirm the entries.
USING
THE ARM CUFF
Very Important: Proper cuff size is critical to accurate
measurement.
This monitor comes with a standard size arm cuff that
fits arms 9”-13” (23 cm-33 cm).
This cuff is suitable for your use if the colored arrow
falls within the solid color line as shown below. If the
arrow falls outside of the solid color line, you will need
a Large Size arm cuff (13”-17”, 33cm – 43cm), which
can be purchased at HoMedics.com or by contacting
HoMedics Consumer Relations at
1-800-466-3342.

- 
If the cuff is not assembled, pass the end of the cuff furthest 
 away from the tubing through the metal D-ring in order to form
 a loop. The smooth side without the felt material should be on
 the inside of the cuff loop.
- 
Plug the cuff tube into the left side of the unit.  
- 
Open the arm cuff so that your arm may be placed through it. 
- 
Remove tight fitting clothing from your upper left arm so that the 
 cuff can be wrapped around your exposed arm.
- 
Position cuff edge 0.8-1.2 
 inches (2-3 cm) above elbow.
- 
Center tube over middle of arm. 
- 
Pull the end of the cuff so that it tightens 
 evenly around your arm. Press the hook
 and loop material together to secure.
 Allow room for 2 fingers to fit between the
 cuff and your arm.
- 
Lay your arm on a table (palm upward) so the cuff 
 is at the same height as your heart. Make sure the
 tube is not kinked.

Note:
- 
This device should not be used when your arm is wounded or 
 injured.
- 
If it is not possible to fit the cuff on your left arm, it can also be 
 placed on your right arm. However, all measurements should
 be made using the same arm.
- 
To use on the right arm, you must position the artery symbol 
 “ ” over the main artery. Locate the main artery by pressing
 with two fingers approximately 1” (2 cm) above the bend of
 your elbow on the inside of your right arm. Identify where the
 pulse can be felt the strongest. This is your main artery.
MEASUREMENT PROCEDURE
Important Notes:
- 
Blood pressure changes with every heartbeat and is in constant 
 fluctuation throughout the day.
- 
Blood pressure measurement can be affected by the position 
 of the user, his or her physiologic condition and other factors.
 For greatest accuracy, wait 1 hour after exercising, bathing,
 eating, drinking beverages with alcohol or caffeine, or
 smoking to measure blood pressure.
- 
Before measurement, it is suggested that you sit quietly for 
 15 minutes as measurements taken during a relaxed state will
 have greater accuracy. You should not be physically tired or
 exhausted while taking a measurement.
- 
During the measurement, do not talk or move your arm or 
 hand muscles.
- 
See page 22 for additional notes regarding your blood 
 pressure measurement.
If you are using this blood pressure monitor for the first
time, please remove the protective film from the screen.
- 
With the cuff wrapped around your arm, press the START/STOP button. Do 
 not inflate the cuff unless it is wrapped around your arm. All digits will light up
 to check the display functions. The checking procedure will be completed after
 about 3 seconds.
- 
After all symbols disappear, the display will show 
 “00”. The monitor is “Ready to Measure” and will
 automatically inflate the cuff to start measurement.
 The cuff will then begin deflating as measurement
 continues. Note: Note:
 This monitor will re-inflate automatically if the system
 detects that your body requires more pressure for measurement.
- 
When the measurement is completed, the cuff will 
 deflate entirely. Systolic pressure, diastolic pressure and
 pulse will be shown simultaneously on the LCD screen.
 The measurement is then automatically stored into
 memory.
Note:
- 
This monitor automatically turns off approximately 1 minute after last operation. 
 You may also press the START/STOP button to turn the unit off.
- 
To interrupt the measurement, you may press the START/STOP 
 (recommended), MEM or DATE/TIME SET ( ) buttons. The cuff will
 deflate immediately after a button is pressed.
RISK CATEGORY INDEX
This monitor comes equipped with a Risk Category Index
that automatically compares each reading to defined levels
established by the U.S. National Institutes of Health’s (NIH)
National Heart Lung and Blood Institute as described earlier
in this manual, and provides a helpful cue if your reading falls
into one of the stages that could potentially indicate increased
risk. No cue is given if the reading falls in the normal range as
defined by NIH. Please note that cues provided by this monitor
are only intended to assist you in using this table. The table and
cues are only provided for convenience to help you understand
your non-invasive blood pressure reading as it relates to the NIH
information. They are not a substitute for a medical examination
by your physician. It is important for you to consult with your
physician regularly. Your physician will tell you your normal
blood pressure range as well as the point at which you may
actually be considered to be at risk.
RECALLING VALUES FROM MEMORY
You can store up to 99 measurements.
- 
Press the MEM button to access the memory.  
- 
The monitor will first display the calculated average applied 
 to the last 3 memories.
- 
Every new press of the MEM button will recall a previous 
 reading. The latest reading will be recalled first.
- 
CLEARING VALUES FROM MEMORY 
 Press and hold the DATE/TIME SET buttons ( ) at the
 same time while in memory recall mode, and the data will be
 erased automatically. 
IMPORTANT NOTES REGARDING YOUR BLOOD
PRESSURE MEASUREMENT
- 
Take your reading in a comfortable environment as 
 measurements can be affected by hot or cold temperatures.
 Take your blood pressure at normal body temperature.
- 
Do not move or talk during measurement as this can elevate 
 readings.
- 
Do not move or cross legs during measurement. Keep feet flat 
 on floor.
- 
Do not touch cuff or monitor during measurement procedure. 
- 
It is suggested that you take your measurements at the same 
 time each day and use the same arm for consistency.•
 Users should wait a minimum of 5 minutes before taking
 additional measurements. More time may be necessary
 depending upon your physiology.
- 
The measurement results that users receive are for 
 reference only. If users have any blood pressure concerns,
 please consult a physician.
- 
Once inflation reaches 300 mmHg, the unit will deflate 
 automatically for safety reasons.
- 
This device may have difficulty determining the proper blood 
 pressure for pregnant women and for users with irregular
 heartbeat, diabetes, poor circulation of blood, kidney
 problems, or for users who have suffered a stroke.
CARE, MAINTENANCE & CLEANING
- 
Clean the blood pressure monitor body and cuff carefully with 
 a slightly damp, soft cloth. Do not press. Do not wash cuff or
 use chemical cleaner on it. Never use thinner, alcohol or petrol
 (gasoline) as cleaner.
- 
Leaky batteries can damage the unit. Remove the batteries when 
 the unit will not be used for a long time.
- 
Follow local ordinances and recycling instructions 
 regarding disposal or recycling of the device and
 device components, including batteries.
- 
If the unit is stored near freezing, allow it to acclimate to room 
 temperature before use.
- 
This blood pressure monitor is not field serviceable. You should 
 not use any tool to open the device nor should you attempt to
 adjust anything inside the device. If you have any problems
 with this device, please contact HoMedics Consumer Relations
 (contact information can be found on the warranty page
- 
Do not immerse the unit in water as this will result in damage to 
 the unit.
- 
Do not subject the monitor or cuff to extreme temperatures, 
 humidity, moisture, or direct sunlight. Protect from dust.
- 
Do not fold the cuff and tubing tightly. 
- 
Do not disassemble the monitor or cuff. If in need of repair, refer 
 to the warranty section of this manual.
- 
Do not subject the monitor to extreme shocks (do not drop on 
 floor).
- 
Do not inflate the cuff unless wrapped around arm. 
- 
Do not wrap the cuff around body parts other than your arm. 
- 
Do not drop or insert any object into any opening 
 or hose.
- 
To avoid accidental strangulation keep this product away from 
 children. Do not drape tube around neck.
- 
This monitor may not meet its performance specifications if 
 stored or used outside of these temperature and humidity
 ranges:
• Storage/Transportation
Environment
Temperature:
-13°F~158°F (-25°C~70°C)
Humidity:
less than 93% RH
• Operating
Environment
Temperature:
41°F~104°F (5°C ~40°C)
Humidity:
15% ~ 93% RH
POTENTIAL FOR ELECTROMAGNETIC INTERFERENCE
To avoid inaccurate results caused by electromagnetic interference between
electrical and electronic equipment, do not use the device near a cell
phone or microwave oven. For most wireless communication devices, it is
recommended to maintain a distance of 10.8
feet (3.3m) in order to avoid electromagnetic
interference.
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.
NOTE: The manufacturer is not responsible for any radio or TV interference
caused by unauthorized modifications to this equipment. Such modifications
could void the user authority to operate the equipment.
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. 
ELECTROMAGNETIC COMPATIBILITY (EMC)
- Guidance and manufacturer’s declaration – electromagnetic emissions
 The device is intended for use in the electromagnetic environments listed below, and should only be
 used in such environments:

- Guidance and manufacturer’s declaration – electromagnetic immunity
 The device is intended for use in the electromagnetic environments listed below, and should only be
 used in such environments:

- Recommended separation distances between portable and mobile RF communication equipment
 and the device.
 The device is intended for use in an electromagnetic environment where radiated RF disturbances are
 under control. User can help prevent electromagnetic interference by keeping the device at a minimum
 distance from portable and mobile RF communications equipment (transmitters). Below table details
 the maximum output power of transmitter:
For transmitters rated at a maximum output power not listed above, the
recommended separation distance
d in metres (m) can be estimated using the equation applicable to the
frequency of the transmitter,
where P is the maximum output power rating of the transmitter in watts (W)
according to the transmitter
manufacturer.
NOTE 1 At 80 MHz and 800 MHz, the separation distance for the higher frequency
range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic
propagation is affected by
absorption and reflection from structures, objects and people.
- Guidance and manufacturer’s declaration – electromagnetic immunity
 The device is intended for use in the electromagnetic environments listed below, and should only be
 used in such environments:
TROUBLESHOOTING
If any abnormality arises during use, please check the following points

Note: If the unit still does not work, contact HoMedics Consumer
Relations. Under no
circumstance should you disassemble or attempt to repair the unit by yourself.
Contact information for HoMedics Consumer Relations Department can be found
on the warranty page.
SPECIFICATIONS

Note: These specifications are subject to change without notice.
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