Copyright © Itech Electronic Co., Ltd.
II
IT8000 Series Programming Guide
Safety Symbols
Direct current
ON ( power)
Alternating
current
OFF ( power)
Both direct and
alternating
current
Power-on state
Chassis (earth
ground) symbol.
Power-off state
Earth ( ground)
terminal
Reference
terminal
Caution
Positive terminal
Warning ( refer to
this manual for
specific Warning
or Caution
information)
Negative terminal
A chassis
terminal
-
-
Safety Precautions
The following safety precautions must be observed during all phases of opera-
tion of this instrument. Failure to comply with these precautions or specific warn-
ings elsewhere in this manual will constitute a default under safety standards of
design, manufacture and intended use of the instrument. ITECH assumes no li-
ability for the customer’s failure to comply with these precautions.