Agilent Technologies 4339B Service Manual page 4

Safety Summary
The following general safety precautions must be observed during all phases of operation,
service, and repair of this instrument. Failure to comply with these precautions or with speci c
elsewhere in this manual may impair the protection provided by the equipment.
WARNINGS
In addition it violates safety standards of design, manufacture, and intended use of the
instrument.
The Agilent Technologies assumes no liability for the customer's failure to comply with these
requirements.
Note 4339B is designed for use in INSTALLATION CATEGORY II according to IEC
61010-1 and POLLUTION DEGREE 1 according to IEC 61010-1 and IEC 60664-1.
4339B is an INDOOR USE product.
Note
LEDs in 4339B are Class 1 in accordance with IEC60825-1.
CLASS 1 LED PRODUCT
Ground The Instrument
To avoid electric shock hazard, the instrument chassis and cabinet must be connected to a
safety earth ground by the supplied power cable with earth blade.
DO NOT Operate In An Explosive Atmosphere
Do not operate the instrument in the presence of ammable gasses or fumes. Operation of any
electrical instrument in such an environment constitutes a de nite safety hazard.
Keep Away From Live Circuits
Operating personnel must not remove instrument covers. Component replacement and internal
adjustments must be made by quali ed maintenance personnel. Do not replace components
with the 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 rst
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 unauthorized modi cations to the instrument. Return the instrument to a Agilent
Technologies Sales and Service Oce for service and repair to ensure that safety features are
maintained.
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