GE HEALTHCARE
DIRECTION FC091194, REVISION 11 VIVID 7 SERVICE MANUAL
Chapter 4 - Functional Checks 4 - 49
4-3-9 Doppler Mode Checks
4-3-9-1 Introduction
Doppler is 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 Doppler.
4-3-9-2 Preparations
Use a phantom when doing these tests.
1.) Connect one of the probes, to the scanner’s left-most probe connector.
-See Probe Connection, page 3-21 for info about connecting the probes
-See Section 9-26 "Probes" on page 9-80 for available probes
2.) Turn ON the scanner
-See 4-2-2 - Power ON/ Boot UP on page 4-3 for info about booting the scanner.
The 2D Mode window is displayed (default mode).
3.) If needed, adjust the Display’s Brightness and Contrast setting.
4.) Press PW or CW to start Pulsed Wave Doppler (PW) or Continuous Wave Doppler (CW).
5.) Use the trackball to select the Area of Interest (Sample Volume) in PW or direction of interest in CW.
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