HP 3457A Service Manual page 3

| YD HEWLETT
PACKARD
SAFETY SUMMARY
GROUND THE INSTRUMENT
DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases or fumes. Operation of any electrical
instrument in such an environment constitutes a definite safety hazard.
KEEP AWAY FROM LIVE CIRCUITS
DO NOT SERVICE OR ADJUST ALONE
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 Hewlett-Packard Sales and Ser-
vice Office for service and repair to ensure that safety features are maintained.
DO NOT OPERATE A DAMAGED INSTRUMENT
Whenever it is possible that the safety protection features built into this instrument have been impaired,
either through physical damage, excessive moisture, or any other reason, REMOVE POWER and do not
use the instrument until safe operation can be verified by service-trained personnel. If necessary, return
the instrument to a Hewlett-Packard Sales and Service Office for service and repair to ensure that safety
features are maintained.