ix 
 
 
Before Operation 
 
Concerning the symbols 
This manual uses the following symbols to explain correct operation and to prevent injury 
or damage to property. 
The symbols and descriptions are as follows. Understand them before proceeding with 
this manual. 
 
 
  WARNING 
Indicates a warning that, if ignored, may result 
in serious injury or even death. 
 
  CAUTION 
Indicates a caution that, if ignored, may result 
in injury or damage to property. 
 
Examples of symbols 
 
The  symbol indicates caution (including DANGER and WARNING). 
The illustration inside the  symbol specifies the content of the caution 
more accurately. (This example warns of possible electrical shock.) 
 
 
The  symbol indicates that performing an action is prohibited. The 
illustration inside the  symbol specifies the contents of the prohibited 
operation. (in this example disassembly is prohibited.) 
 
 
The  symbol indicates operations that must be performed. The 
illustration inside the  symbol specifies obligatory instructions. (In this 
example unplugging is the obligatory instruction.)