About this document
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20901118_EN-US_PC301x VARIO select Serie_V1.3_100720
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
Explanation
of safety symbols
General danger sign.
Danger: electricity.
Danger: hot surface.
Danger: potentially explosive
material.
Electrostatically sensitive
components ESD.
General, mandatory sign.
Disconnect power plug.
Additional symbols and icons
Additional symbols
Positive example –
Do this!
Result –
OK
Negative example –
Don't do this!
Refers to content in this In-
struction manual.
Refers to content of addi-
tional documents.
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
