GE LOGIQ e Basic Service Manual page 172

General Procedures and Functional Checks
Tissue Velocity Imaging (TVI) Checks (continued)
Adjust the TVI Controls
Adjust TVI Mode Softmenu Key
Step
1 Adjust Visible
2 Adjust LIne Density
3 Select Color Map
4 Threshold
5 Activate Spatial Filter
6 TVI Gain
7 Width
4-38
1. Set PDI button for TVI mode in Utility -> Imaging -> General.
2. Press the PDI key to activate TVI Mode.
Table 4-9: TVI Mode Softmenu Key
Task
Select Visible to display TVI Color with TVI.
Trades frame rate for sensitivity and spatial
resolution. If the frame rate is too slow, reduce
the size of the region of interest, select a
different line density setting, or reduce the
packet size.
Allows a specific color map to be selected.
After a selection has been made, the color bar
displays the resultant map.
Threshold assigns the gray scale level at
which color information stops.
Adjust Spatial Filter to smooth out the color,
makes it look less pixely.
Control color transparency. High values display
more color; low values display more tissue.
Adjust the sizes of ROI.
Expected Result(s)
LOGIQ e – Basic Service Manual
5461614-100 English Rev. 6
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