Operator's Manual

1-8
Warning
Remove or install the battery only when the device is powered off.
Warning
Remove the battery from the device when the device is not used for a long
time.
Warning
If the battery is stored alone and not used for a long time, we recommend
that the battery should be charged at least once every 6 months to prevent
over discharge.
1.2 Cautions
1.2.1 General Cautions
Caution
Avoid water splashing on the device.
Caution
Avoid high temperature, the device should be used in the temperature
between 5℃ to 40℃ during operation.
Caution
Do not use the device in a dusty environment with bad ventilation or in the
presence of corrosive materials.
Caution
Make sure that there is no intense electromagnetic interference source
around the device, such as radio transmitters or mobile phones etc.
Attention: large medical electrical equipment such as electrosurgical