Installation guide
 4  
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.










