4 Keysight 34980A Service Guide
Ground the Instrument
This product is provided with protective earth terminals. To minimize shock
hazard, 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
Only qualified, service-trained personal who are aware of the hazards involved
should remove instrument covers. Always disconnect the power cable and any
external circuits before removing the instrument cover.
Do Not Modify the Instrument
Do not install substitute parts or perform any unauthorized modification to the
product. Return the product to an Keysight Sales and Service Office for service
and repair to ensure that safety features are maintained.
In Case of Damage
Instruments that appear damaged or defective should be made inoperative and
secured against unintended operation until they can be repaired by qualified
service personnel.
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