SAEVO EVUS 8, Руководство пользователя

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6 Acquiring Images
Basic User Manual 77
− Rotate the Angle knob to increase or decrease the angle of the flow cursor.
5. Select the Update key to activate the PW mode.
The PW spectrum is displayed at the lower part of the screen after being activated, as shown Figure 6-20.
0
5
50
-50
cm/s
X-axis: time
Y-axis:
frequency
S
Figure 6-20 B+C/PDI/TDI+PW-Mode Imaging Screen
Select the Audio + or Audio - key to adjust the audio volume.
6. Optimize the PW-mode image. For details, refer to Section 6.5.3 Optimizing Spectral Doppler Images.
If needed, select the Update key on the control panel to enter the inactivated C/PDI/TDI+PW mode 2, the
following screen appears.
0
5
50
-50
cm/s
X-axis: time
Y-axis:
frequency
S
Figure 6-21 Inactivated B+C/PDI/TDI+PW-Mode 2 Imaging Screen
You can also adjust the position and angle of spectral Doppler line, the size of sample volume gate, and the
direction of the flow cursor.
7. Select the
PW
key to exit.
6�6�3 B+C/PDI+CW
For details, refer to Section 6.6.2 B + C/PDI/TDI + PW.