Citizen CHU503 Blood Pressure Monitor User Manual


 
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1 While pressing the Memory switch, press and hold the “START/
STOP” switch for more than 3 seconds.
All data stored in Memory will be deleted.
HOW TO DELETE THE DATA
DISPLAY MARK
CONDITION/CAUSE
CORRECTIVE ACTION
Appears when the cuff is
attached too loose.
Attach the cuff properly and
measure again.
(
See page 11 “ATTACHING
THE CUFF”)
Appears when the cuff is not
attached correctly and the
pulse cannot be detected.
Unable to measure due to
excessive pressure on the
sensor.
or
Appears when the batteries
have run out.
Replace the batteries. (
See page 8 “LOADING THE
BATTERIES”.)
Appears when the pulse
rate falls outside the
measuring range (below 39
beats/min. or above 181
beats/min.)
Attach the cuff properly again.
Take deep breaths to relax, and
measure again. (
See page
15 “TIPS FOR OBTAINING
ACCURATE MEASUREMENT”.)
The unit does not function
properly.
Contact the store where it
was purchased or your local
service center. (
See page
19 “BEFORE REQUESTING
REPAIRS OR TESTING”.)
KEY TO DISPLAY ICONS
The value stored in memory is numbered in the order of measurements. For
example, when 90 sets of data are stored in memory, the data number 1
represents the latest data.
Data number: 1, 2, 3, ... ... 89, 90
©
The latest data
©
The earliest data
bb=\ bb=\
Press and hold
for 3 seconds
Deleted
A message saying all
the data have been
deleted from the
memory is displayed.
ABOUT “BLOOD PRESSURE”
What is blood pressure?
The heart is a pump that
circulates blood throughout your
body. Blood is pumped from the
heart at a constant pressure into
arteries. This pressure is called
the arterial blood pressure and
represents, in general terms,
your blood pressure. Blood
pressure is indicated by several
kinds of pressures, including
the systolic pressure that occurs when the heart pumps blood, and the diastolic
pressure that occurs when blood returns to the heart.
Your blood pressure changes all the time.
Your blood pressure differs according to your age, gender and a range of other
factors. It is likely to be affected by your biorhythm during the day and by your
posture, physical activities, mental activities, level of stress and even by the air
temperature. The blood pressure of a healthy person generally varies within a day.
[Example of blood pressure variations within a day]
Blood pressure value (mmHg)
160
140
120
100
80
60
40
Time of day
12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11
Systolic blood
pressure
Diastolic blood
pressure
Sleeping
(Blood pressure values
measured at ve-minute
intervals through the day)
Bevan AT, Honour AJ, Stott
FH. Clin Sci 1969;36:329–44
(Systolic)
(Diastolic)
Artery Artery
Left atrium
Left
ventricle
Left atrium
Left
ventricle
Dilation
The artery wall expands.
Contraction
Normal state is restored
to the artery wall.
Q Why is the blood pressure measured at home different from that measured by the
physician or at a hospital?
A Your blood pressure may vary due to exercise, the ambient temperature or your
mental state. When you have a physician or nurse measure your blood pressure, the
pressure value is likely to be 10 to 20 mmHg higher than usual due to anxiety and/
or stress. Knowing what affects your blood pressure helps you to better monitor your
health.
Q Why does the blood pressure obtained vary with measurement?
A Our blood pressure is adjusted by automatic nerve function. Blood pressure differs
with every heart beat. We are likely to think that our blood pressure is constant, but
it varies if you take measurements in repetition. Blood pressure is susceptible to the
time of day, such as morning and afternoon, season and atmospheric temperature.
In addition, blood pressure is easily affected by mental stress or emotional ups and
downs. It tends to increase when you feel tension or decrease when you are relaxed.
BLOOD PRESSURE Q&A