User`s guide

U3606B User’s Guide III
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) Off (supply)
Alternating current (AC) On (supply)
Both direct and alternating current
Caution, risk of danger (refer to this manual
for specific Warning or Caution information)
Earth (ground) terminal Out position of a bi-stable push control
Frame or chassis terminal In position of a bi-stable push control
Category II 300 V over-voltage protection
CAT II
300 V
U3606-90054_UG_EN.book Page III Friday, July 11, 2014 5:12 PM