Symbols On Instruments - abi 7500 Getting Started Manual

Symbols on Instruments

Electrical
Symbols on
Instruments
Safety Symbols
Applied Biosystems 7500/7500 Fast Real-Time PCR System Getting Started Guide for Relative Standard Curve
and Comparative C Experiments
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The following table describes the electrical symbols that may be displayed on
Applied Biosystems instruments.
Symbol Description
Indicates the On position of the
main power switch.
Indicates the Off position of the
main power switch.
Indicates a standby switch by
which the instrument is switched
on to the Standby condition.
Hazardous voltage may be
present if this switch is on
standby.
Indicates the On/Off position of a
push-push main power switch.
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 xiv). 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
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.
Indicates the presence of a laser inside the instrument and to proceed with
appropriate caution.
Indicates the presence of moving parts and to proceed with appropriate
caution.
Symbols on Instruments
Symbol Description
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.
Description
Preface
xiii