Safety Notices 13
Do not touch live circuits
Instrument covers must not be removed by operating personnel.
Component replacement and internal adjustments must be made
by qualied service-trained maintenance personnel who are aware
of the hazards involved when the instrument’s covers and shields
are removed. Under certain conditions, even with the power cord
removed, dangerous voltages may exist when the covers are
removed.
To avoid injuries, always disconnect the power cord from the instrument, disconnect all other connections
(for example, test leads, computer interface cables, etc.), discharge all circuits, and verify there are
no hazardous voltages present on any conductors by measurements with a properly-operating voltage-
sensing device before touching any internal parts. Verify the voltage-sensing device is working properly
before and after making the measurements by testing with known-operating voltage sources and test for
both DC and AC voltages.
Do not attempt any service or adjustment unless another person capable of rendering rst aid and
resuscitation is present.
General Safety
Do not insert any object into an instrument’s ventilation openings or
other openings.
This instrument is not authorized for use in contact with the human
body or for use as a component in a life-support device or system.
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