iii 
 
● Precautions upon Equipment Operation ● 
 
 
 
Before installing the power cable, make sure to turn off the braker of the main 
power line.    Otherwise, an electric shock or a malfunction may occur. 
 
When connecting/disconnecting the connection cables between the external 
equipment, make sure to turn off the braker of the main power line.  
Otherwise, a fire or an electric shock may occur.