GE MEDICAL SYSTEMS 
D
IRECTION 2392751-100, REVISION 3VIVID™ 4 SERVICE MANUAL
Chapter 4 - Functional Checks  4-23
4-4-4-5 CFM Operation Tests
Table 4-37    CFM Operation Tests (739L)
Step Task Expected Result(s)
1
Select a Cardiac preset and set the 2D Gain 
to 40.
2
Activate CFM and set the following CFM 
parameters:
• Gain: Max possible without color noise
• Frame Rate:2
• LVR: MIN setting
CFM Artifacts Test
3
Place the 739L probe on the RMI1425A 
Phantom (top view A). 
Ensure there are no flash strikes or other color artifacts.