Keysight U1251B Guia Del Usuario página 6

– Do not use repaired fuses or short-circuited fuse-holders. For continued
WARNING
– Do not service or perform adjustments alone. Under certain condition,
– Do not substitute parts or modify equipment to avoid the danger of
– Do not operate damaged equipment as the safety protection features
6
protection against fire, replace the line fuses only with fuses of the same
voltage and current rating and recommended type.
hazardous voltages may exist, even with the equipment switched off. To
avoid dangerous electric shock, service personnel must not attempt
internal service or adjustment unless another person, capable of
rendering resuscitation or first aid, is present.
introducing additional hazards. Return the product to Keysight
Technologies Sales and Service Office for service and repair to ensure the
safety features are maintained.
built into this product may have been impaired, either through physical
damage, excessive moisture, or any other reason. Remove power and do
not use the product until safe operation can be verified by service-trained
personnel. If necessary, return the product to Keysight Technologies
Sales and Service Office for service and repair to ensure the safety
features are maintained.
Keysight U1251B and U1252B User's and Service Guide