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2.2. Safety Symbols
The International Electrotechnical Commission (IEC) has established a set of symbols
for medical electronic equipment which classify a connection or warn of any potential
hazards. The classifications and symbols are shown below.
This applies only to the instrument that has the certification symbol printed explicitly on
the product label or sticker.
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I and O on power switch represent ON and OFF respectively.
Type B Isolated patient connection.
This symbol identifies a safety note. Ensure you understand
the function of this control before using it. Control function
is described in the appropriate User’s or Service Manual.
Identifies the point where the system safety ground is
fastened to the chassis. Protective earth connected to
conductive parts of Class I equipment for safety purposes.
Hot surface.