Agilent Technologies HP 16500B Manual page 216

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•
Safety
trained service personnel. To
This apparatus has been
avoid dangerous electric
designed and tested in
shock, do not perform any
accordance with IEC
service unless qualified to do
Publication 348, Safety
so. Do not attempt internal
Requirements for Measuring
service or adjustment unless
Apparatus, and has been
another person, capable of
supplied in a safe condition.
rendering first aid and
This is a Safety Class I
resuscitation, is present.
instrument (provided with
•
terminal for protective
earthing). Before applying
instrument by an auto
power, verify that the correct
transformer (for voltage
safety precautions are taken
reduction), make sure the
(see the following warnings).
common terminal is
In addition, note the external
connected to the earth
markings on the instrument
terminal of the power source.
that are described under
•
"Safety Symbols."
the ground protection is
impaired, you must make the
Warning
instrument inoperative and
•
Before turning on the
secure it against any
instrument, you must connect
unintended operation.
the protective earth terminal
•
of the instrument to the
instrument in the presence of
protective conductor of the
flammable gasses or fumes.
(mains) power cord. The
Operation of any electrical
mains plug shall only be
instrument in such an
inserted in a socket outlet
environment constitutes a
provided with a protective
definite safety hazard.
earth contact. You must not
•
negate the protective action
parts or perform any
by using an extension cord
unauthorized modification to
(power cable) without a
the instrument.
protective conductor
•
(grounding). Grounding one
conductor of a two-conductor
instrument may retain a
outlet is not sufficient
charge even if the instrument
protection.
is disconnected from its
•
source of supply.
Only fuses with the
•
required rated current,
voltage, and specified type
or handling the CRT.
(normal blow, time delay,
Handling or replacing the
etc.) should be used. Do not
CRT shall be done only by
use repaired fuses or
qualified maintenance
short-circuited fuseholders.
personnel.
To do so could cause a shock
of fire hazard.
Safety Symbols
Service instructions are for
Instruction manual symbol:
the product is marked with
this symbol when it is
necessary for you to refer to
the instruction manual in
order to protect against
damage to the product.
If you energize this
Hazardous voltage symbol.
Whenever it is likely that
Earth terminal symbol: Used
to indicate a circuit common
connected to grounded
chassis.
Do not operate the
W A R N I N G
The Warning sign denotes a
hazard. It calls attention to a
procedure, practice, or the
like, which, if not correctly
performed or adhered to,
could result in personal
Do not install substitute
injury. Do not proceed
beyond a Warning sign until
the indicated conditions are
fully understood and met.
Capacitors inside the
C A U T I O N
The Caution sign denotes a
hazard. It calls attention to
an operating procedure,
Use caution when exposing
practice, or the like, which, if
not correctly performed or
adhered to, could result in
damage to or destruction of
part or all of the product. Do
not proceed beyond a
Caution symbol until the
indicated conditions are fully
understood or met.