4 Keysight Models 6811C, 6812C, and 6813C Quick Start Guide
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.
Standby supply, unit is not completely
disconnected from ac mains when
switch is off
Alternating current (AC)
Frame or chassis (ground) terminal On (mains supply)
Protective earth (ground) terminal Caution, risk of electric shock
Line conductor on permanently
installed equipment
Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Neutral conductor on permanently
installed equipment
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