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safety features are maintained in operational condition.
• Dangerous Procedure Warnings
Warnings, such as the example below, precede potentially dangerous procedures
throughout this manual. Instructions contained in the warnings must be followed.
WARNING Dangerous voltage levels, capable of causing death, are present in this instrument.
Use extreme caution when handling, testing, and adjusting this instrument.
• Do not connect the measuring terminals to mains.
Safety Symbols
General definitions of safety symbols used on the instrument or in manuals are listed
below.
Instruction Manual symbol: the product is marked with this symbol when it is necessary for
the user to refer to the instrument manual.
Alternating current.
Direct current.
On (Supply).
Off (Supply).
In-position of push-button switch.
Out-position of push-button switch.
A chassis terminal; a connection to the instrument’s chassis, which includes all exposed
metal structure.
Stand-by.
WARNING This warning sign denotes a hazard. It calls attention to a procedure, practice, or
condition that, if not correctly performed or adhered to, could result in injury or
death to personnel.
CAUTION This Caution sign denotes a hazard. It calls attention to a procedure, practice, or condition
that, if not correctly performed or adhered to, could result in damage to or destruction of
part or all of the instrument.
NOTE This Note sign denotes important information. It calls attention to a procedure, practice, or
condition that is essential for the user to understand.
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