GE Medical Systems LOGIQ 500, Quick Start Manual, Page: 30 / 46

Quick Start 24
LOGIQ 500 Quick Start Guide
2276613–100 Rev. 0
Doppler Controls (cont’d)
Doppler Mode Optimization
Adjustments for... Do the Following... Adjustments for... Do the Following...
Increase Sensitivity 1.
Increase GAIN.
2.
Increase ACOUSTIC OUTPUT.
3.
Decrease VELOCITY SCALE (if
flow state allows it).
4.
Increase S.V. Length.
5.
Use lower frequency probe or use
lower Doppler frequency on some
applications.
6.
Activate B-PAUSE to freeze
B-Mode image.
Scan angle is critical to Doppler
sensitivity.
Improve Display
Aesthetics 1.
Activate B PAUSE to freeze
B-Mode image.
2.
Decrease GAIN.
3.
Increase ACOUSTIC OUTPUT.
4.
Use smaller sample volume size,
whenever possible.
5.
Increase/decrease Dynamic
Range.
6.
Adjust BASELINE SHIFT and
VELOCITY SCALE to adjust
spectral size.
7.
Lower Doppler Sweep Speed.
Increase Spectral
Clarity 1.
Activate B PAUSE to freeze
B-Mode image.
2.
Increase ACOUSTIC OUTPUT.
3.
Decrease S.V. Length.
4.
Decrease GAIN.
5.
Decrease Dynamic Range.