S-1 
Safety Precautions 
1.  Meaning of Signal Words 
In this operation manual, the signal words  DANGER,  WARNING, 
CAUTION and NOTE are used regarding safety and other important instructions. The 
signal words and their meanings are defined as follows. Please understand their meanings 
clearly before reading this manual.
 
Signal word  Meaning 
DANGER 
Indicates an imminently hazardous situation which, if not 
avoided, will result in death or serious injury. 
WARNING 
Indicates a potentially hazardous situation which, if not 
avoided, could result in death or serious injury. 
CAUTION 
Indicates a potentially hazardous situation which, if not 
avoided, may result in minor or moderate injury. 
NOTE 
Indicates a potentially hazardous situation which, if not avoided, 
may result in property damage. 
2.  Meaning of Safety Symbols 
Symbol Description 
 
Type-BF applied part 
Note: All ultrasound transducers that can be connected to this system 
are Type-BF applied part.   
 
"Attention" indicates the points requiring attention. Be sure to read the 
operation manual concerning these points before using the equipment.