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SAFETY SUMMARY
The follo^ng general safely precautions must be observed during all phases of operation, service,
and repair of this instrument. Failure to comply with these precautions or with specific warnings
elsewhere in this manual violates safely standards of design, manufactui^, and intended use of the
instrument. Hewlett-Packard Company assumes no liability for the customer's failure to comply
with these requirements. This is a Safety Class 1 instrument.
GROUND THE INSTRUMENT
To minimize shock hazard, the instrument chassis and cabinet must be connected to an
electrical ground. The instrument is equipped with a three-conductor ac power cable. The
power cable must either be plugged into an approved three-contact electrical outlet or used
with a three-contact to two-contact adapter with the grounding wire (green) firmly connected to
an electrical ground (safety ground) at the power outlet. The power jack and mating plug of
the power cable meet International Electrotechnical Commission (EC) safety standards.
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes. Operation of any
electrical instrument in such an environment constitutes a definite safety hazard.
KEEP AWAY FROM LIVE CIRCUITS
Operating personnel must not remove instrument covers. Component replacement and
internal adjustrnents must be made by qualified maintenance personnel. Do not replace
components with power cable connected. .Under certain conditions, dangerous voltages may
exist even with the power cable removed. To avoid injuries, always disconnect power and
discharge circuits before touching them.
DO NOT SERVICE OR ADJUST ALONE
Do not attempt internal service or adjustment unless another person, capable of rendering first
aid and resuscitation, is present.
DO NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT
Because of the danger of Introducing additional hazards, do not install substitute parts or
perform any unauthorized modification to the instrument. Return the instrument to a
Hewlett-Packard Sales and Service Office for service and repair to ensure the safety features
are maintained.
DANGEROUS PROCEDURE WARNINGS
Warnings, such as the example below, precede potentially dangerous procedures throughout
this manual. Instructions contained In the warnings must be followed.
Warning
Dangerous voltages, capable of causing death, are present in this
instrument. Use extreme caution when handling, testing, and adjusting.
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