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The USB port is to be used for the described purpose
only.
For charging, use only EN60950-certified equipment
with a rating of 5 VDC, min. 500 mA.
Caution: electric shock. Do not insert plug alone into
electrical outlets.
Do not use the device in explosive areas (mines
or industrial areas with danger of explosions, oxygen-
rich environments or areas where flammable
anesthetics are handled) or where electronic
equipment is prohibited.
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