Agilent U1602B/U1604B User’s and Service Guide vii
Safety Symbols
The following symbols on the instrument and in the documentation
indicate precautions which must be taken to maintain safe operation of
the instrument.
Earth ground terminal
Equipotentiality
Caution, risk of electric shock
The Instruction Documentation Symbol. The product is marked with
this symbol when it is necessary for the user to refer to the instruc-
tions in the supplied documentation.
Direct and alternating current
Direct current
Equipment protected throughout by DOUBLE INSULATION or
REINFORCED INSULATION
Caution, hot surface
CAT III
Measurement category III are measurements performed in the
building installation
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