MediSono P25 EXP, User Manual

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6 Acquiring Images
Basic User Manual 109
0
5
50
cm/s
Y-axis: Frequency
-50
X-axis: Time
3. Adjust the position and angle of the spectral Doppler line.
−
Position the sample volume gate on the spectral Doppler line by moving the
trackball upwards or downwards.
−
Adjust the angle of the spectral Doppler line by moving the trackball to the left or
the right.
4. Adjust the sample volume gate.
−
Press the confirm key on the control panel to adjust the size of the sample volume
gate.
−
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 Figure 6-24.
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.