HP 4284A - Page 5

Safety Summary
The following general safety precautions must be observed during all
phases of op eration, service, and repair of this instrument. Failure
to comply with these precautions or with sp ecic WARNINGS
elsewhere in this manual may impair the protection provided by
the equipment. In addition it violates safety standards of design,
manufacture, and intended use of the instrument.
The Hew lett-Packard Company assumes no liability for the customer's
failuretocomply with these requirements.
Note
HP 4284A complies with INSTALLATION CATEGORY I I and
POLLUTION DEGREE 2 in IEC1010-1. HP 4284A is INDOOR USE
pro duct.
Note
LEDs in this pro duct are Class 1 in accordance with IEC825-1.
CLASS 1 LED PRODUCT
Ground The Instrument
Toavoid electric sho ck hazard, the instrumentchassis and cabinet
must be connected to a safety earth ground by the supplied p ower
cable with earth blade.
DO NOT Operate In An
ExplosiveAtmosphere
Do not op erate the instrument in the presence of ammable gasses or
fumes. Operation of any electrical instrument in suchanenvironment
constitutes a denite safety hazard.
Keep Away From Live
Circuits
Operating personnel must not remove instrumentcovers. Comp onent
replacement and internal adjustments must b e made by qualied
maintenance personnel. Do not replace comp onents with the power
cable connected. Under certain conditions, dangerous voltages may
exist even with the p ower cable removed. Toavoid injuries, always
disconnect p ower and discharge circuits b efore touching them.
DO NOT Service Or
Adjust Alone
Do not attempt internal service or adjustment unless another p erson,
capable of rendering rst aid and resuscitation, is present.
DO NOT Substitute
Parts Or Modify
Instrument
Because of the danger of intro ducing additional hazards, do not
install substitute parts or p erform unauthorized mo dications to the
instrument. Return the instrument to a Hewlett-Packard Sales and
Service Oce for service and repair to ensure that safety features are
maintained.
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