Symbols On Instruments - Applied Biosystems 7900HT User Manual

Symbols on Instruments

Electrical
Symbols on
Instruments
Safety Symbols
Applied Biosystems 7900HT Fast Real-Time PCR System and SDS Enterprise Database User Guide
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 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.
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
page xvi). 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 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.
Symbol
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.
"Safety Labels on Instruments"
Symbol
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.
DRAFT
September 1, 2004 11:38 am, Safety.fm

Symbols on Instruments

Description
on
Description
xv