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About this document
Explanation
of safety symbols
Additional symbols
8
1.4 Symbols and icons
This manual uses symbols and icons. Safety symbols indicate
specific risks associated with handling the product. Symbols and
icons are designed to help you identify risks more easily.
Safety symbols
General danger sign.
Danger: hot surface.
Electrostatically sensitive
components ESD.
General, mandatory sign.
Additional symbols and icons
Positive example – Do this!
Result – OK
Refers to content in this .
Ensure sufficient air circula-
tion.
Electric/electronic devices and batteries must not be dis-
posed of in the domestic waste at the end of their service
life.
Flow arrow, inlet – vacuum connection
Flow arrow, outlet – -exhaust gas
20901367_EN-US_PC3001 VARIO select Serie_V1.3_100720
Danger: electricity.
Danger: potentially explosive
material.
Disconnect power plug.
Negative example –
Don't do this!
Refers to content of addi-
tional documents.
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