User`s guide

vii
Safety Symbols
The following symbol on the instrument and in the documentation
indicates precautions that must be taken to maintain safe operation of the
instrument.
Caution, risk of danger. The Instruction
Documentation Symbol. The
instrument is marked with this symbol
when it is necessary for the user to
refer to the instructions in the supplied
documentation.
This symbol indicates the operating
switch for ‘Stand-by’ mode.
Note, this instrument is NOT isolated
from the mains when the switch is
pressed. To isolate the instrument, the
mains coupler (mains input cord) should
be removed from the power supply.
Alternating current (AC)
Instrument protected throughout by
DOUBLE INSULATION or REINFORCED
INSULATION.
Direct current (DC) On (Supply)
Both direct and alternating current Off (Supply)
Three-phase alternating current Caution, risk of electric shock
Earth (ground) TERMINAL Caution, hot surface
PROTECTIVE CONDUCTOR
TERMINAL
In position of bi-stable push control
Frame or chassis TERMINAL Out position of bi-stable push control
Equipotentiality