Hyundai HW201 Guía Para El Usuario página 11

3. To finish the measurement
1. After deflation, the measurement of blood pressures is completed.
If you want to measure again, just press "START" button again.
2. Press "POWER" button to switch off electrical supply.
3. If you forget to push the "POWER" button, the power will turn off automatically
within 3 minutes.
Normally, you can measure your pressure values up to 150~200 times with
durable alkaline batteries. If battery icon shows "low power warning" or show only 1 bar,
then it's time to change batteries.
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LOW POWER WARNING
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