GE Medical Systems 500, User Manual, Page: 139 / 636

B–Mode
LOGIQ 500 Basic Users Manual
2276612–100 Rev. 0
5–27

B-Mode Optimization
B-Mode Optimization
Adjustments
for...
Do the
Following...
Adjustments
for...
Do the
Following...
Image too grainy 1.
Increase Dynamic Range.
2.
Increase Frame Average.
3.
Decrease Edge Enhance.
4.
Change Gray Map.
Image too soft 1.
Decrease Dynamic Range.
2.
Increase Edge Enhance.
3.
Decrease Frame Average.
4.
Change Gray Map.
Image too noisy 1.
Decrease B/M GAIN.
2.
Decrease Dynamic Range.
3.
Increase Frame Average.
4.
Increase Edge Enhance.
Improve
Uniformity 1.
Increase the number of focal
zones.
2.
Decrease SCAN AREA
SIZE.
3.
Adjust TGC to compensate
for attenuation.
Cystic Imaging
1.
Decrease the B/M GAIN.
2.
Decrease Dynamic Range.
3.
Use SCAN AREA SIZE to
reduce image width.
4.
Change Focus Number to
increase number of focal
zones.
5.
Optimize focal zone
placement.
Technically
Difficult Patients
1.
Select the proper probe or
change Imaging Freq. for
the exam (larger patient,
lower frequency).
2.
Increase ACOUSTIC
OUTPUT, if necessary.
3.
Maintain a lower Dynamic
Range (45 to 48).
4.
Decrease SCAN AREA
SIZE for faster frame rates.