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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)
Caution, risk of electric shock
Standby supply. Unit is not completely
connected from AC mains when
switched off
Protective earth (ground) terminal
Keysight X8712A IoT Device Battery Life Optimization Solution User's Guide
Alternating current (AC)
Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Frame or chassis (ground) terminal
Equipment protected throughout by
double insulation or reinforced
insulation
3
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