GE MEDICAL SYSTEMS 
D
IRECTION 2392751-100, REVISION 3VIVID™ 4 SERVICE MANUAL
4-20 Section 4-4 - Image Testing: 2D/M/CFM/Doppler
4-4-3-3 PW Operation Tests
Table 4-32    PW Operation Tests (C358)
Step Task Expected Result(s)
1
Select the Abdomen preset from the 
Abdomen preset options, and set the 
2D Gain to 45.
2
Activate PW Mode and set the following 
PW parameters:
• Gain: 70
• SV: 3mm
PW Artifacts Test
3
Place the C358 probe on the RMI1425A 
Phantom (top view A).
4
Place the sample volume in the center of the 
vessel.
Ensure that the flow looks clear, the noise area is dark and that 
there are no flash strikes or other artifacts.
5
Move the sample volume to different locations 
along the vessel.
Ensure that the flow looks clear, the noise area is dark and that 
there are no flash strikes or other artifacts.
PW HPRF Artifacts Test
6
Increase the velocity range to MAX.
7
Place the C358 probe on the Phantom 
(top view A).
8
Place the sample volume in the center of the 
vessel.
Ensure that the flow looks clear, the noise area is dark and that 
there are no flash strikes or other artifacts.
9
Move the sample volume to different locations 
along the vessel.
Ensure that the flow looks clear, the noise area is dark and that 
there are no flash strikes or other artifacts.