Keysight N4391B, Руководство по началу работы

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Keysight N4391B Optical Modulation Analyzer Getting Started Guide 3
Safety Summary
The following general safety precautions must be observed during all phases of operation
of this instrument. Failure to comply with these precautions or with specific warnings or
operating instructions in the product manuals violates safety standards of design,
manufacture, and intended use of the instrument. Keysight Technologies assumes no
liability for the customer's failure to comply with these requirements. Product manuals
are provided with your instrument on CD-ROM and/or in printed form. Printed manuals
are an option for many products. Manuals may also be available on the Web. Go to
www.keysight.com and type in your product number in the Search field at the top of the
page.
General
This product is a Safety Class 1 instrument (provided with a protective earth terminal).
The protective features of this product may be impaired if it is used in a manner not
specified in the operation instructions.
All Light Emitting Diodes (LEDs) used in this product are Class 1 LEDs as per IEC
60825-1.
Environment Conditions This instrument is intended for indoor use in an installation category II, pollution degree 2
environment. It is designed to operate at a maximum relative humidity of 80% and at
altitudes of up to 2000 meters.
Refer to the specifications tables for the ac mains voltage requirements and ambient
operating temperature range.
Before Applying Power
Verify that all safety precautions are taken. The power cable inlet of the instrument serves
as a device to disconnect from the mains in case of hazard. The instrument must be
positioned so that the operator can easily access the power cable inlet. When the
instrument is rack mounted the rack must be provided with an easily accessible mains
switch.
Ground the Instrument
To minimize shock hazard, the instrument chassis and cover must be connected to an
electrical protective earth ground. The instrument must be connected to the ac power
mains through a grounded power cable, with the ground wire firmly connected to an
electrical ground (safety ground) at the power outlet. Any interruption of the protective
(grounding) conductor or disconnection of the protective earth terminal will cause a
potential shock hazard that could result in personal injury.
Do Not Operate in an
Explosive Atmosphere
Do not operate the instrument in the presence of flammable gases or fumes.
Do Not Remove the
Instrument Cover
Operating personnel must not remove instrument covers. Component replacement and
internal adjustments must be made only by qualified personnel.
Instruments that appear damaged or defective should be made inoperative and secured
against unintended operation until they can be repaired by qualified service personnel.