Agilent Technologies U1701B User's And Service Manual page 3

Safety Symbols
Direct current
Alternating current
Both direct and alternating
current
Three-phase alternating current
Earth (ground) terminal
Protective conductor terminal
Frame or chassis terminal
Equipotentiality
U1701B User's and Service Guide
The following symbols on the instrument and in the documentation
indicate precautions which must be taken to maintain safe operation of
the instrument.
Off (supply)
On (supply)
Equipment protected throughout
by double insulation or reinforced
insulation.
Caution, risk of electric shock.
Caution, risk of danger (refer to
this manual for specific Warning
or Caution information.
Caution, hot surface.
Out position of a bi-stable push
control.
In position of a bi-stable push
control.
III