6
Keysight N1913/1914A Service 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.
Direct current (DC)
Alternating current (AC)
Off (mains supply)
On (mains supply)
Caution, risk of electric shock
Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Earth (ground) terminal
Frame or chassis (ground) terminal
Protective earth (ground) terminal
Equipment protected throughout by
double insulation or reinforced
insulation
Both direct and alternating current
Out position of a bi-stable push control
Caution, hot surface
In position of a bi-stable push control
Operating switch for ‘Stand-by’
mode
[a]
Three-phase alternating current
Equipotentiality
[a]
Note: The 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.
Содержание N1913
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