
4-9
Chapter 4 Diagnosis Modes
■
Spatial Compound (Optional) & Trapezoidal
Use the Soft Menu dial-button [5].
▶
Spatial Compound: Rotate the dial-button to select from O, Low, Middle or High.
NOTE:
This item appears in the Soft Menu only when a Linear Probe is used.
▶
Trapezoidal: Press the dial-button to turn it on or o.
In general, the rectangular frame provided by a Linear Probe is changed to a trapezoidal shape.
This allows a wider view of an image.
The Trapezoid function may not be available for certain depths. In addition, the Write Zoom
function cannot be accessed with the Zoom button when the Trapezoidal function is in use.
(However, Read Zoom can be used.)
NOTE:
The Trapezoidal item appears in the menu only when a Linear Probe is used.
■
SRF
Press the Soft Menu dial-button [6] to turn it on or o.
▶
SRF Index: SRF stands for Speckle Reduction Filter. The image is optimized by minimizing the noise
and automatically adjusting the brightness of the boundaries. Select a value between 0 and 3 by
rotating the dial-button.
■
Chroma
Press the Soft Menu dial-button [1] to turn it on or o.
▶
Chroma Map: Changes the color of an image. Select Type 1 to Type 9 or User 1 to User 3 by rotating
the dial-button.
NOTE: The user type setting can be changed in Utility > Post Curve > 2D Post > Edit.
See ‘Post Curve’ in ‘Chapter 7 Utilities’ for detailed information.
I want to learn how to do angle correction on PW Doppler on my machine.
How do I assess PW angle cursor?
I don't want to join the group.