34410A/11A/L4411A User’s Guide 3
Safety Information
Do not defeat power cord safety ground fea-
ture. Plug in to a grounded (earthed) outlet.
Do not use product in any manner not speci-
fied by the manufacturer.
Do not install substitute parts or perform
any unauthorized modification to the prod-
uct. Return the product to an Agilent Tech-
nologies Sales and Service Office for service
and repair to ensure that safety features are
maintained.
Safety Symbols
Main Power and Test Input Dis-
connect: Unplug instrument from
wall outlet, remove power cord,
and remove all probes from all
terminals before servicing. Only
qualified, service-trained person-
nel should remove the cover from
the instrument.
Line and Current Protection
Fuses: For continued protection
against fire, replace the line fuse
and the current-protection fuse
only with fuses of the specified
type and rating.
Front/Rear Switch: Do not
change the position of the
Front/Rear switch on the front
panel while signals are present on
either the front or rear set of ter-
minals. The switch is not intended
as an active multiplexer. Switch-
ing while high voltages or cur-
rents are present may cause
instrument damage and lead to
the risk of electric shock.
IEC Measurement Category II. The
HI and LO input terminals may be
connected to mains in IEC Cate-
gory II installations for line volt-
ages up to 300 VAC. To avoid the
danger of electric shock, do not
connect the inputs to mains for
line voltages above 300 VAC. See
"IEC Measurement Category II
Overvoltage Protection" on the
following page for further infor-
mation.
Protection Limits: To avoid instru-
ment damage and the risk of elec-
tric shock, do not exceed any of
the Protection Limits defined in
the following section.
Earth Ground
Chassis Ground
Risk of electric shock
Refer to manual for addi-
tional safety information
CAT II (300V) IEC Measurement Category II.
Inputs may be connected to
mains (up to 300 VAC) under
Category II overvoltage condi-
tions.
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