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Safety Symbols
WARNING
CAUTION
ISM 1-A
The following symbols on the instrument and in the manual indicate precautions
which must be taken to maintain safe operation of the instrument.
The Instruction Documentation Symbol. The product is marked with this symbol when it is
necessary for the user to refer to the instructions in the supplied documentation.
Indicates the field wiring terminal that must be connected to earth ground before operating
the equipment - protects against electrical shock in case of fault.
Frame or chassis ground terminal - typically connects to the equipment's metal frame.
Alternating current (AC)
Direct current (DC)
Indicates hazardous voltages
Warning denotes a hazard. It calls attention to a procedure, which if not correctly
performed or adhered to could result in injury or loss of life. Do not proceed beyond a
warning note until the indicated conditions are fully understood and met.
Caution denotes a hazard. It calls attention to a procedure, which if not correctly
performed or adhered to could result in damage to or destruction of the instrument. Do not
proceed beyond a caution note until the indicated conditions are fully understood and met.
The CE mark shows that the product complies with all relevant European Legal Directives.
This is a symbol of an Industrial, Scientific, and Medical Group 1 Class A product.
The CSA mark is a registered trademark of the Canadian Standards Association, and
indicates compliance to the standards layed out by them.
The C-Tick mark is a registered trademark of the Spectrum Management Agency of Aus-
tralia. This signifies compliance with the Australian EMC Framework Regulations under
the terms of the Radiocommunications Act of 1992.
This symbol indicates the position of the operating switch for 'Off' mode. NOTE: To
ensure instrument is isolated from mains, always rempve the appliance coupler (mains
power cord) from the power source.
This symbol indicates the position of the operating switch for 'On' mode.
This symbol indicates the position of the operating switch for 'Stand-by' mode. Note, the
instrument is NOT isolated from the mains when the switch is in this position.
To isolate the instrument, the mains coupler (mains input cord) should be removed from
the power supply.
General Safety Information
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