HP (Hewlett-Packard) E42 Switch User Manual


 
Model 5328A
Safety Considerations
WARNING
IF THIS INSTRUMENT IS TO BE ENERGIZED VIA AN AUTOTRANS-
FORMER (FOR VOLTAGE REDUCTION] MAKE SURE THE COMMON
TERMINAL IS CONNECTED TO THE EARTHED POLE OF THE POWER
SOURCE.
WARNING
BEFORE SWITCHING ON THE INSTRUMENT, THE PROTECTIVE EARTH
TERMINALS OF THE INSTRUMENT MUST BE CONNECTED TO THE
PROTECTIVE CONDUCTOR OF THE (MAINS) POWER CORD. THE
MAINS PLUG SHALL ONLY BE INSERTED IN A SOCKET OUTLET PRO-
VIDED WITH A PROTECTIVE EARTH CONTACT. THE PROTECTIVE
ACTION MUST NOT BE NEGATED BY THE USE OF AN EXTENSION
CORD (POWER CABLE) WITHOUT A PROTECTIVE CONDUCTOR
(GROUNDING).
WARNING
THE SERVICE INFORMATION FOUND IN THIS MANUAL IS OFTEN
USED WITH POWER SUPPLIED AND PROTECTIVE COVERS REMOVED
FROM THE INSTRUMENT. ENERGY AVAILABLE AT MANY POINTS
MAY, IF CONTACTED, RESULT IN PERSONAL INJURY.
CAUTION
BEFORE SWITCHING ON THIS INSTRUMENT:
1.
2.
3.
4.
MAKE SURE THE INSTRUMENT IS SET
THE POWER SOURCE.
TO THE VOLTAGE OF
ENSURE THAT ALL DEVICES CONNECTED TO THIS INSTRU-
MENT ARE CONNECTED TO THE PROTECTIVE (EARTH) GROUND.
ENSURE THAT THE LINE POWER (MAINS) PLUG IS CONNEC-
TED TO A THREE-CONDUCTOR LINE POWER OUTLET THAT HAS
A PROTECTIVE (EARTH) GROUND. (GROUNDING ONE CON-
DUCTOR OF A TWO-CONDUCTOR OUTLET IS NOT SUFFICIENT.)
MAKE SURE THAT ONLY FUSES WITH THE REQUIRED RATED
CURRENT AND OF THE SPECIFIED TYPE (NORMAL BLOW,
TIME DELAY, ETC.) ARE USED FOR REPLACEMENT. THE USE
OF REPAIRED FUSES AND THE SHORT-CIRCUITING OF FUSE
HOLDERS MUST BE AVOIDED.
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