Operating Procedures 
4-4 
2.  Fill syringe with sterile water 
and connect extension tube to 
syringe, discharge all air in the 
tube. Attach the syringe to 
transducer fill port. 
 
 
3.  Orient transducer downward 
and inject sterile water up to 
the level a few cm above the 
end of the transducer surface.