B&K Precision 830C - Manual - Manual (Page 7)

5
Safety Symbols
This symbol is a warning and
indicates that the user should refer to
the operating instructions located in
the manual.
DC Current
Indicates inside pin is positive (+),
outside is negative (-)
Compliance Statements
Disposal of Old Electrical & Electronic Equipment
(Applicable in the European
Union and other European countries with separate
collection systems)