AC-4000 Series Operator’s Manual No. 0199B
Page i
SAFETY CONSIDERATIONS
For safe operation, the following safety considerations must be observed.
Grounding
This machine requires protective grounding for safe operation. To avoid potential shock hazards,
a protective grounding conductor for the instrument must be securely connected to the main
grounding provision by qualified service personnel.
Do not remove covers or enclosures
To avoid personal injury and shock, do not open or remove any covers or enclosures of the
machine unless specified in the manual.
Do not perform unspecified maintenance
For your personal safety, do not perform any maintenance procedures which are not specified in
the manual.
Disconnect power supply before servicing
To ensure your personal safety, disconnect the power supply before servicing.