STEP 7. When the desired setting is displayed on the screen, press
enter heart rate lower limit setting. The factory default is off.
STEP 8. Press
the number from 30 BPM to 100 BPM.
When the setting value goes to the upper limit, press
the screen will turn back "OFF" setting.
button to change settings. You can press
Handheld Pulse Oximeter
17
button to
button to increase
button again and