Quatech Audio/Video Capture USB 2.0 Spezifikationen Seite 148

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Seitenansicht 147
7
7-44 z.one ultra and z.one ultra sp OPERATOR MANUAL
Working with
PW Doppler
Imaging
To Initiate PW Doppler Imaging
1. Acquire the B-Mode image. See “Brightness Mode (B-Mode/2D) Imaging” on
page 7-13.
2. Enter Pulse Wave (PW) Doppler mode:
3. The screen splits into a reference image on top and the PW strip underneath.
The PW scroll begins. The PW-mode status information displays to the left of
the PW strip.
4. To position the PW cursor: Use the Trackball to move the PW cursor into the
area of interest.
NOTE: To steer the PW cursor, adjust the angle correction, or optimize the PW
Doppler image, see
“PW Doppler Controls” on page 7-45. Steer is available for
linear array transducers only.
5. To define the gate:
6. Press Select or Back to save the setting and return to the menu.
7. To freeze the image, press Freeze.
8. To perform retrospective processing (optional), use the retrospective
processing controls (available for a frozen image), which are denoted by
in
Table 7-4.
9. To return to B-Mode (optional), press PW.
SmartCart/SmartCart sp
Press D Mode button.
Scan Engine
a. Press PW Mode button.
b. Press Menu Control to view PW Doppler
menu.
- Or -
a. Press Mode to view Mode menu. Select
PW-mode.
b. Press Menu Control to view PW Doppler
menu.
SmartCart/SmartCart sp
a. Press Menu button and use Trackball to
highlight Gate Size.
b. Move Trackball left/right to adjust size of gate.
Scan Engine
Select Gate Size. Use Menu Control left/right
arrows
to adjust size of gate.
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