Image Optimization 5-15
Packet Size
Description This function is an indication of the ability to detect flow, which is used to
adjust the accuracy of color flow.
Operations Rotate the knob under the [Packet Size] item on the touch screen to adjust
the value.
There are 0-3 levels of packet size available: 0 represents no packet size
control and the bigger the value the higher the sensitivity.
Effects The higher the packet size, the more sensitive the indication for low-
velocity flow.
Impacts Adjusting the packet size may lead to the frame rate changing.
Persistence
Description This function adjusts the temporal smoothing in Color mode to optimize
the image.
Operations Adjust through the [Persistence] item on the touch screen.
The system provides 0-4 levels of persistence adjustment: 0 represents no
persistence, and the bigger the value the stronger the effect.
Smooth
Description This feature is used to reject noise and smooth the image.
Operations Adjust using the [Smooth] item on the touch screen.
The system provides 0-4 levels of smooth function: the bigger the value
the stronger the effect.
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