HP MC68040 User Manual page 814

Keep Away From Live Circuits
Operating personnel must not remove instrument covers. Component replacement
and internal adjustments must be made by qualified 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.
Designed to Meet Requirements of IEC Publication 348
This apparatus has been designed and tested in accordance with IEC Publication
348, safety requirements for electronic measuring apparatus, and has been supplied
in a safe condition. The present instruction manual contains some information and
warnings which have to be followed by the user to ensure safe operation and to
retain the apparatus in safe condition.
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 of the instrument. Return the
instrument to a Hewlett-Packard Sales and Service Office for service and repair to
ensure that safety features are maintained.
Dangerous Procedure Warnings
Warnings, such as the example below, precede potentially dangerous procedures
throughout this manual. Instructions contained in the warnings must be followed.
Warning Dangerous voltages, capable of causing death, are present in this instrument. Use
extreme caution when handling, testing, and adjusting.