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2.2 About ER2
Figure 1
1.
ECG electrode
It is used to connect the body surface and receive the
human body ECG signal.
2.
LED indicator
Off: The device is not activation or battery is run out,
Green : the lead is off;
Green and flash(According to patient heart rate rhythm):
The device is working normally;
Green and flash(5 seconds apart): measurement completed
and the device is in normal standby mode, or when the
battery is fully charged;
Yellow : the device is charging, and it is off after being
fully charged;
Yellow
and
flash(5
seconds
apart):
the
battery
is
low(Standby mode);
Blue : The device is in Bluetooth connection and the device
1
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3
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