Keysight E3633A and E3634A User’s Guide 7
KEEP AWAY FROM LIVE CIRCUITS.
Operating personnel must not remove instrument covers. Component
replacement and internal adjustments must be made by qualified service
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, discharge circuits and
remove external voltage sources before touching components.
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 Keysight Technologies Sales and Service Office
for service and repair to ensure that safety features are maintained.
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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