MediSono P25 EXP, User Manual

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6 Acquiring Images
Basic User Manual 99
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Adjust the size of the sample volume gate by using the trackball.
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Rotate the Angle knob on the control panel to adjust the angle of the flow cursor.
5. Press the Update key on the control panel to activate the PW mode.
The PW spectrum is displayed at the lower part of the screen after being activated, as
shown in Figure 6-15.
Figure 6-15 PW-Mode Imaging Screen
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X-axis is the time scale.
−
Y-axis is Doppler frequency scale, including positive and negative indicators.
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 B+PW
mode 2, the following screen appears.
X-axis: Time
-50
Y-axis: Frequency
cm/s
50
Sample Volume Gate
2D Imaging
5
Spectral Doppler Line
Flow Cursor
0