Advanced Instruments 3900, Service Manual

Page: 9 / 184

To reduce the risk of bodily injury,
electric shock, fire, and damage to
your instrument, please read and
observe the following precautions.
• If the product is used in a manner not in
accordance with the equipment design,
operating instructions or manufacturer's
recommendations, the operation of the
product may be impaired to the extent that
a safety hazard is created.
• Do not attempt to perform electrical work
if you are not fully qualified. This manual
is not a substitute for electrical training.
Symbol Conventions
The exclamation point within an
equilateral triangle is intended to
alert the user to the presence of
important operating and maintenance
(servicing) instructions in the
literature accompanying this product.
The lightning flash with arrowhead
symbol within an equilateral triangle
is intended to alert the user to the
presence of uninsulated and
dangerous voltage within the
product's enclosure that may be of
sufficient magnitude to constitute
risk of electric shock to persons.
The static symbol within an
equilateral triangle is intended to
alert the user to the presence of
internal components that could be
damaged by static electricity.
This static symbol is intended to
alert the user to the presence of a
specific component that could be
damaged by static electricity.
This symbol indicates the presence
of alternating current (AC).
This symbol indicates the presence
of a fuse.
This symbol indicates the presence
of protective earth ground.
This symbol indicates the power
is ON.
This symbol indicates the power
is OFF.
NOTE Additional symbol definitions are
available in the Symbols section.
General Cautions
• This product should be operated only with
the type of power source indicated on the
product’s electrical ratings label. Refer to
the installation instructions included with
the product.
• If the power cord provided is replaced for
any reason or if an alternate cord is used,
the cord must be approved for use in the
local country. The power cord must be
approved for the product’s listed operating
voltage and be rated at least 20% greater
than the ampere ratings marked on the
product’s electrical ratings label. The cord
end that connects to the product must have
an IEC 60320 connector.
• Plug the product into an approved
grounded electrical outlet.
• Do not disable the power cord’s
grounding plug.
• If an extension cord or power strip is used,
make sure that the cord or strip is rated for
the product, and that the total ampere
ratings of all products plugged into the
extension cord or strip do not exceed 80%
of the cord’s or strip’s rating limit.
Safety / Regulatory Information
9
The Advanced ® Model 3900 Service Manual