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Safety Symbols
The following symbols on the instrument and in the documentation indicate
precautions that must be taken to maintain safe operation of the instrument.
Direct current (DC)
Alternating current (AC)
Both direct and alternating current
Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Caution, risk of electric shock
Keysight U1610/20A Service Guide
All manuals and user guides at all-guides.com
Equipment protected throughout by
double insulation or reinforced
insulation
Earth (ground) terminal
Category II overvoltage protection
CAT II
Category III overvoltage protection
CAT III
3
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