GE LOGIQ S8 Service Manual page 204

GE H
EALTHCARE
D 5394227, 12
IRECTION
4-4-8-4 Select Color M-Mode
To activate M Color Flow Mode, press M (M-Mode). Then press CF (Color Flow) - or - press CF, then
press M. CM tab is displayed.
Figure 4-23 MCF-mode Screen Example
4-4-8-5 Checks
Adjust the Gain to set the gain in the color flow area.
•
Adjust Scale to the highest setting that provides adequate flow detection.
•
NOTE: The scale value may affect Power Output, frame rate, and wall filter.
Adjust Wall Filter to remove low velocity blood flow and motion artifacts that reduces image quality.
•
Adjust Sample volume (SV) to a low setting for better flow resolution, or a higher setting to more
•
easily locate disturbed flows
Adjust Frequency to optimize the color flow display. Higher settings improve resolution. Lower
•
settings improve depth penetration and sensitivity. This does not affect the frequency used for B
and M-Mode.
• • Adjust Acoustic output power to obtain an acceptable image using the lowest setting possible.
NOTE: The Power setting affects all other operating modes.
Adjust the following settings to further optimize display of the image:
Use Invert to reverse the color assignments in the color flow area of the display.
•
Use Threshold to emphasize either the color flow overlay, or the underlying grey scale tissue detail.
•
Use Baseline to emphasize flow either toward or away from the probe.
•
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PROPRIETARY TO GE
Section 4-4 - Functional Checks
LOGIQ S8/LOGIQ E8 S M
ERVICE ANUAL