Hyundai HA211 Guía Para El Usuario página 11

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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