6 Acquiring Images
Basic User Manual 87
0
5
50
-50
cm/s
X-axis: Time
Y-axis:
Frequency
PW Spectral Image
S
Figure 6-24 B+CFM/PDI/TDI+PW-Mode Imaging Screen
Rotate the
Audio
knob on the control panel to adjust the audio volume.
NOTE:
Once the PW-mode is activated, you can move the trackball to stop the Doppler trace and adjust the
sample volume gate. The system continues tracing if the trackball is idle for more than 0.5s.
6. Optimize the PW-mode image. For details, refer to Section 6.5.3 Optimizing Spectral Doppler Images.
If needed, press the Update key on the control panel to enter the inactivated
CFM/PDI/TDI+PW
mode 2, the
following screen appears.
0
5
50
-50
cm/s
X-axis: Time
Y-axis:
Frequency
S
Figure 6-25 Inactivated CFM/PDI/TDI+PW Mode 2 Imaging Screen
You can also adjust the position and angle of spectral Doppler line, the size of the sample volume gate, and the
direction of the ow cursor.
7. Press the
PW
key again to exit the screen.
6.6.3 B+CFM/PDI+CW
For details, refer to Section 6.6.2 B+CFM/PDI/TDI +PW.