Agilent Technologies 4291B, Быстрый старт

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DO NOT Service Or
A djust Alone
Do not attempt internal service or adjustment unless another person,
capable of rendering rst aid and resuscitation, is present.
DO NOT Substitute
P arts Or Modify
Instrument
Because of the danger of introducing additional hazards , do not
install substitute parts or perform unauthorized modications to the
instrument. Return the instrument to a Agilent T echnologies Sales and
Service Oce for service and repair to ensure that safety features are
maintained.
Dangerous Procedure
W arnings
W arnings , such as the example below , precede potentially dangerous
procedures throughout this manual. Instructions contained in the
warnings must be followed.
W arning
Dangerous voltages , capable of causing death, are present in this
instrument. Use extreme caution when handling, testing, and
adjusting this instrument.
Safety Symbols
General denitions of safety symbols used on equipment or in manuals
are listed below .
Instruction manual symbol: the product is marked
with this symbol when it is necessary for the user to
refer to the instruction manual.
Alternating current.
Direct current.
On (Supply).
O (Supply).
In position of push-button switch.
Out position of push-button switch.
Frame (or chassis) terminal. A connection to the
frame (chassis) of the equipment which normally
include all exposed metal structures .
This W arning sign denotes a hazard. It calls attention
to a procedure , practice , condition or the like , which,
if not correctly performed or adhered to , could result
in injury or death to personnel.
This Caution sign denotes a hazard. It calls attention
to a procedure , practice , condition 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.
This Note sigh denotes important information. It
calls attention to a procedure , practice , condition or
the like , which is essential to highlight.
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