Safety Symbols - Elenco Electronics ST-3030 Operator's Instruction Manual

2. Safety Symbols

!
WARNING
CAUTION
500V max.
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This marking adjacent to another marking, terminal,
or operating device indicates that the operator must
refer to the explanation in the operating instructions
to avoid damage to the equipment and/or to avoid
personal injury.
This WARNING sign denotes a hazard. It calls
attention to a procedure, practice or the like, which if
not correctly performed or adhered to, could result in
personal injury.
This CAUTION sign denotes a hazard.
attention to a procedure, practice or the like, which, if
not correctly adhered to, could result in damage to or
destruction of part or all of the instrument.
This marking advises the user that the terminal(s) so
marked must not be connected to a circuit point at
which the voltage, with respect to earth ground,
exceeds (in this case) 500 volts.
This symbol, adjacent to one or more terminals,
identifies them as being associated with ranges that
may in normal use be subjected to particularly
hazardous voltages.
For maximum safety, the instrument and its test leads
should not be handled when these terminals are
energized.
This marking indicates that equipment is protected
completely by the double insulation.
Alternating Current (AC)
Direct Current (DC)
Either DC or AC
This symbol indicates separate collection for
electrical and electronic equipment.
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It calls