Functional checks
Versana Balance – Basic Service Manual System view 4-61
5808768-100 English Rev.9
4-4-10 PW Doppler Mode Checks
4-4-10-1 Introduction
PW Doppler are used to measure velocity (most often in blood).
Doppler mode can be done with a special pencil probe or with
an ordinary probe. By using an ordinary probe, you can first
bring up a 2D picture for navigation purpose and then add PW
Doppler.
4-4-10-2 Preparations
• Connect one of the probes to the scanner.
• See
4-4-13 ‘Probe/Connectors Check’ on page 4-66 for info
about connecting the probes.
For available probes, see 9-3-2 ‘Probe’ on page 9-6:
• Turn ON the scanner
The 2D Mode window is displayed (default mode).
• If needed, adjust the Display’s Brightness and Contrast
setting.
Press PW to start Pulsed Wave Doppler (PW).
Use the trackball to select the Area of Interest (Sample
Volume) in PW.
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