Panasonic EW-BU04W - Manual (Page 19)

Since the mark was displayed, I retried the measurement by setting my arm
in the proper position. But the indicated value is still higher than usual.
The mark is just a guide for the proper measurement method.
If you correct your posture when the mark is displayed but the measured value is
still higher or lower than usual, retry the measurement.
The following causes are suspected.
• Did you measure properly (In proper posture)?
Measure as indicated on pages 9-10.
• Measured Immediately after smoking.
• Measured when irritated or emotional.
• Measured In cold environments.
• For persons who have a physical constitution with less fluctuation in the pulse rate.
• If you are concerned about the results, retry the measurement after staying quiet for 4
to 5 minutes.
Q When should I measure my blood pressure?
A We recommend three measurements a day.
First........ Upon Waking (Because, with almost no Influence from body movement, the
blood pressure is closest to that at night.)
Second... Before Lunch (Because, with no Influence from the meal. It provides blood
pressure values close to the highest of the day.)
Third....... At Bedtime (So as to obtain data close to your average blood pressure values
during the day.)
This way, by taking measurements morning, noon and night, you can use the unit to
learn the patterns of and monitor your blood pressure.
Q Why are the measured values different for the left and right arm?
A The difference in blood pressure values between the left and right arms may be around
10 mmHg. The blood pressure can be measured In either the left or right arm, but all
measurements should be taken using the same arm.