Safety vii
Descr i p t i on of C a u t ion/War n i n g S ymbols
The following symbols and an appropriate caution/warning statement are
used throughout the manual and on the Model 3321 to draw attention to
any steps that require you to take cautionary measures when working with
the Model 3321:
Caution
C a u t i o n
Caution means be careful. It means if you do not follow the procedures
prescribed in this manual you may do something that might result in
equipment damage, or you might have to take something apart and start
over again. It also indicates that important information about the operation
and maintenance of this instrument is included.
Warning
W A R N I N G
Warning means that unsafe use of the instrument could result in serious
injury to you or cause irrevocable damage to the instrument. Follow the
procedures prescribed in this manual to use the instrument safely.
Caution or Warning Symbols
The following symbols may accompany cautions and warnings to indicate
the nature and consequences of hazards:
Warns you that uninsulated voltage within the instrument may
have sufficient magnitude to cause electric shock. Therefore,
it is dangerous to make any contact with any part inside the
instrument.
Warns you that the instrument contains a laser and that
important information about its safe operation and
maintenance is included. Therefore, you should read the
manual carefully to avoid any exposure to hazardous laser
radiation.
Warns you that the instrument is susceptible to electro-static
discharge (ESD) and ESD protection procedures should be
followed to avoid damage.
Indicates the connector is connected to earth ground and
cabinet ground.
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