Maintenance
9.2.2
Using the Battery
Before using the device for the first time or before using the device after the
device is not used for a long time, charge the built-in battery. Power off the
device and connect it to an external power supply for at least 4 hours until the
battery is fully charged. After that, you are allowed to use the device.
Battery optimization
1. Ensure that the device is not being used for a patient, and power off the
device.
2. Connect the device to the external AC power supply through the power
adapter to charge the battery for over 4 hours uninterruptedly.
3. Disconnect the power adapter from the external AC power supply for the
battery to power the device, power on the device, and wait until the battery
is depleted.
4. Connect the device to the external AC power supply again to charge the
battery for over 4 hours uninterruptedly.
CAUTION:
The approximate remaining battery capacity of the built-in battery is indicated
by the battery icon. When the battery operates, the remaining battery capacity
is indicated by the number of illuminated bars in the battery icon.
The device is automatically powered off 3 minutes before the battery power is
exhausted.
The actual operation duration of the battery is relevant to the room temperature
and external communication.
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