GE LOGIQ S8, Service Manual

Page: 205 / 418

GE H
EALTHCARE
PROPRIETARY TO GE
D
IRECTION
5394227, 12 LOGIQ S8/LOGIQ E8 S
ERVICE
M
ANUAL
Section 4-4 - Functional Checks 4 - 29
4-4-9 PW/CW Doppler Mode Checks
For information on the system’s different modes, the Basic User Manual or User Guide will familiarize
you with image optimization for
B-Mode
,
M-Mode
,
Color Flow
, and
Doppler
.
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 B-Mode
picture for navigation purpose and then add Doppler.
For information, refer to the latest revision of the Basic User Manual, Chapter 5.
4-4-9-1 Preparations
1.) Connect one of the probes to the scanner.
- See: 3-6-4 "Connecting Probes" on page 3-15 for info about connecting the probes.
- For available probes, see: Section 9-13 "Probes" on page 9-59.
2.) Turn ON the scanner The B-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.
Figure 4-24 PW-mode Screen Example