GE MEDICAL SYSTEMS
D
IRECTION FK091075, REVISION 04 VIVID 3N PRO/EXPERT SERVICE MANUAL
4-24 Section 4-4 - Image Testing: 2D/M/CFM/Doppler
4-4-4-6 PW Operation Tests
Table 4-38 PW Operation Tests (739L)
Step Task Expected Result(s)
1
Select the Abdomen preset from the
Abdomen preset options, and set the
2D Gain to 90.
2
Activate PW Mode and set the following
PW parameters:
• Gain: 70
• SV: 3mm
PW Artifacts Test
3
Place the 739L 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 739L 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.
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