GE Vivid 3N Pro Series Service Manual page 145

GE M S
EDICAL YSTEMS
D FK091075, R
IRECTION
4-4-1-10 CW Operation Tests
Table 4-27
Step
1
2
3
4
5
6
7
8
9
04
EVISION
CW Operation Tests (3S)
Task
Select a Cardiac preset and set the 2D Gain
to 45.
Activate CW Mode and set the following CW
parameters:
• CW Gain: 70
• Velocity Scale: 3.0m/sec
CW Artifacts Test
Place the 3S probe on the RMI1425A
Phantom (top view A).
Place the CW cursor in the center of the
vessel.
Move the CW cursor to different locations
along the vessel.
CW High Velocity Artifacts Test
Increase the Velocity Scale to 8.6m/s (max).
Place the 3S probe on the Phantom
(top view A).
Place the CW cursor in the center of the
vessel.
Move the CW cursor to different locations
along the vessel.
Chapter 4 Functional Checks
V 3N P
IVID
Expected Result(s)
Ensure that the flow looks clear, the noise area is dark and that
there are no flash strikes or other artifacts.
Ensure that the flow looks clear, the noise area is dark and that
there are no flash strikes or other artifacts.
Ensure that the flow looks clear, the noise area is dark and that
there are no flash strikes or other artifacts.
Ensure that the flow looks clear, the noise area is dark and that
there are no flash strikes or other artifacts.
/E S M
RO XPERT ERVICE ANUAL
4-17