5-14 Image Optimization
This function is used to adjust the scan angle of linear probes, so as to change
the angle between the transmitting beam and flow direction.
Steer is only valid for linear probes.
Line Density
Line density determines the quality and information of the image.
Adjust through [Line Density] on the menu.
There are four levels of line density available: UH, M, H, L.
The higher the line density, the higher the resolution.
The higher the line density, the lower the frame rate.
Packet Size
This function is an indication of the ability to detect flow, which is used to adjust
the accuracy of color flow.
Select different effects through [Packet Size].
There are 3 levels of packet size available: 0 represents no packet size control
and the bigger the value the higher the sensitivity.
The higher the packet size, the more sensitive the indication for low-velocity flow.
Adjusting the packet size may lead to the frame rate changing.
Flow State
This function is used for fast image optimization.
Select different effects through [Flow State].
3 levels are provided: L, M, H.
Persistence
This function adjusts the temporal smoothing in Color mode to optimize the
image.
Select different effects through [Persistence].
The system provides 6 levels of persistence adjustment: 0 represents no
persistence, and the bigger the value the stronger the effect.
Smooth
This feature is used to reject noise and smooth the image.
Adjust through [Smooth] on the menu.
The system provides 6 levels of smooth function: the bigger the value the
stronger the effect.
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