RIGOL 
DG4000 User's Guide 
Safety Notices and Symbols 
 
Safety Notices in this Manual: 
 
 
WARNING  
Indicates a potentially hazardous situation or practice which, if not 
avoided, will result in serious injury or death.
 
 
Indicates a potentially hazardous situation or practice which, if not 
avoided, could result in damage to the product or loss of important data. 
 
Safety Terms on the Product: 
 
DANGER  It calls attention to an operation, if not correctly performed, could 
result in injury or hazard immediately. 
WARNING  It calls attention to an operation, if not correctly performed, could 
result in
 potential injury or hazard.  
CAUTION  It calls attention to an operation, if not correctly performed, could 
result in
 damage to the product or other devices connected to the 
product.  
 
Safety Symbols on the Product: 
 
 
 
 
   
Voltage 
Warning 
Earth   
Ground 
Ground