GE H
EALTHCARE
D
IRECTION
FC091194, R
EVISION
11
V
IVID
7 S
ERVICE
M
ANUAL
4 - 52
Section 4-3 - Functional Checks
4-3-9-4
Check Invert, LPRF (in PW only) and Color Maps
Table 4-20 Doppler Mode Controls Checks
Step
Task
Expected Result(s)
5.
Press
INVERT
Enables the Doppler spectrum to be flipped 180
degrees, so that negative velocities are displayed
above the baseline and positive velocities below the
baseline.
Invert is available in live and cine replay.
6.
Press
LPRF
In PW, adjusts the pulse repetition frequency for the PW
Doppler acquisition of data flow.
7.
Choose
COLOR MAPS
Displays a drop down menu of different Doppler
colorization maps.
Use the trackball to select the desired map and press
Select to activate the map.
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