DRAFT
October 22, 2010 3:44 pm, Safety_HW.fm
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Symbols on Instruments
Electrical
Symbols on
Instruments
The following table describes the electrical symbols that may be displayed on
Applied Biosystems instruments.
Safety Symbols
The following table describes the safety symbols that may be displayed on
Applied Biosystems instruments. Each symbol may appear by itself or in
combination with text that explains the relevant hazard (see “Safety Labels on
Instruments” on page xii). These safety symbols may also appear next to
DANGERS, WARNINGS, and CAUTIONS that occur in the text of this and other
product-support documents.
Symbol Description
Indicates the On position of the main power switch.
Indicates the Off position of the main power switch.
Indicates the On/Off position of a push-push main power switch.
Indicates a terminal that may be connected to the signal ground reference
of another instrument. This is not a protected ground terminal.
Indicates a protective grounding terminal that must be connected to earth
ground before any other electrical connections are made to the
instrument.
Indicates a terminal that can receive or supply alternating current or
voltage.
Indicates a terminal that can receive or supply alternating or direct current
or voltage.
Symbol Description
Indicates that you should consult the manual for further information and to
proceed with appropriate caution.
Indicates the presence of an electrical shock hazard and to proceed with
appropriate caution.
Indicates the presence of a hot surface or other high-temperature hazard and
to proceed with appropriate caution.