
4-16
Operation Manual
Use the Change button to move and resize the ROI box. Each time you press the Change button, the
current state of the ROI box is displayed in the lower left of the screen.
▶
ROI Position: You can move the ROI box. Use the Trackball to move the ROI box.
▶
ROI Size: You can resize the ROI box. Use the Change button to resize the ROI box.
C Mode Soft Menu
■
Steer / Invert
Use the Soft Menu dial-button [1].
▶
Steer: Rotate the dial-button to adjust the angle of the ultrasound beam. This can minimize loss of
color information based on the angle of the ultrasound beam. Select ROI from Left, None or Right.
NOTE:
The Steer function appears in the Flexible Soft menu only when a Linear Probe is used.
▶
Invert: Press the dial-button to invert the color bar. Inverting the color bar also inverts the colors
displayed on the image.
■
Sensitivity
Use the Soft Menu dial-button [2] to select a value between 8 and 31. Increasing Sensitivity enhances
the sensitivity of a color image, but reduces the frame rate.
■
Density
Selects the density of a scan line. Select Low, Middle1, Middle2 or High using the Soft Menu dial-
button [3].
If you select High, the number of scan lines are increased and the resolution of an image improves. The
Frame Rate however reduces.
■
Scale (PRF)
Use the Soft Menu dial-button [5]. Rotating the Scale dial clockwise makes the PRF (Pulse Repetition
Frequency) increase so that the speed range of the blood ow is widened, and vice versa.
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.