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.
Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Equipment protected throughout by
double insulation or reinforced
insulation
CAT IV
Category IV 600 V overvoltage
protection
600 V
Keysight U1241C/U1242C User's Guide
Earth (ground) terminal
CAT III
Category III 1000 V overvoltage
protection
1000 V
3