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Просмотр инструкции тонометра Microlife BP 3BT0-A(2), страница 9
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4.4. Setting the time and date
This blood pressure monitor automatically records the time and date of each measurement. This is very
important information as blood pressure normally varies over the course of a day.
1. After new batteries have been inserted the year is blinking in the display. You can adjust the year by
pressing the «M» button. Press the Time button to confirm and switch to month setting.
2. The correct month can be entered by the «M» button. Press the Time button to confirm and switch to
day setting.
3. Please follow the instructions above to set the day, hour and minutes.
4. Once the minutes have been set and the Time button is pressed, the date and time will be displayed on
the screen.
5. If you want to change the date and time again, please hold the Time button down for about 3 seconds
until the year number starts to flash. Now you can enter the new values as described above.
5. Carrying out a Measurement
5.1. Before the measurement
• Avoid eating, smoking as well as all forms of exertion directly before the measurement. All these
factors influence the measurement result. Try to find time to relax by sitting in an armchair in a quiet
atmosphere for about 5 minutes before measurement.
• Remove any garment that fits closely to your upper arm.
• Always measure on the same arm (normally left).
• Take measurements regularly at the same time of day, since blood pressure changes during the course
of the day.
5.2. Common sources of error
Note: Comparable blood pressure measurements always require the same conditions!
These are normally always quiet conditions.
• All efforts by the patient to support their arm can increase blood pressure. Make sure you are in a
comfortable, relaxed position and do not activate any of the muscles in the measurement arm during
the measurement. Use a cushion for support if necessary.
• If the arm artery lies considerably lower (higher) than the heart, an false reading will be obtained. Each
15 cm difference in height results in a measurement error of 10 mmHg!
• Cuffs that are too narrow or too short result in false measurement values. Selecting the correct cuff is
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