Keysight U1241B Guía Del Usuario Y Servicios página 3

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
Earth (ground) terminal
Equipment protected throughout by double
insulation or reinforced insulation
Keysight U1241B and U1242B User's and Service Guide
Caution, risk of electric shock
Caution, risk of danger (refer to this manual for
specific Warning or Caution information)
CAT III
Category III 1000 V Overvoltage Protection
1000 V
CAT IV
Category IV 600 V Overvoltage Protection
600 V
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