Safety and EMC Compliance Information
Symbols on Instruments
Applied Biosystems 7300/7500/7500 Fast Real-Time PCR System Installation and Maintenance Guide
xvii
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
s
ymbols 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”
). 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
Symbol
Description
Indicates the
On
position of
the 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 the
Off
position of
the main power switch.
Indicates a protective
grounding terminal that must
be connected to earth
ground before any other
electrical connections are
made to the instrument.
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 a terminal that can
receive or supply alternating
current or voltage.
Indicates the
On/Off
position
of a push-push main power
switch.
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.
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.
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