Image Optimization 5-29
Audio
Description
This function is used to adjust the output audio in spectrum map,
Operation Adjust through the [Audio] item in the soft menu or menu.
Or press “<Fn>+ Directional key (Up/Down)” to adjust.
The adjusting range is 0-100%.
Effects Audio helps to identify the feature and status of flow.
Impacts The function is available in real-time imaging, freeze or cine review status.
PW Steer
Description
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.
Operation Adjust through the [PW Steer] item in the soft menu or menu.
Values of steering angles vary by probes.
Effects This feature is used to steer the direction of the beam so as to change the
angle between the beam and flow direction with immobility of the linear
probe.
Post Process
Description
Post process is used to apply modifications to the image in order to
optimize overall image quality. Post process function includes 3
parameters : curve, gray rejection and γ.
Gray
Rejection
This function is to reject image signals less than a certain gray scale.
Click [Gray Rejection] in the soft menu or menu to adjust.
The adjusting range is 0-5.
Curve To manually enhance or restrain the signal in the certain scale.
Click [Curve] in the soft menu or menu to open the dialogue box to adjust.
Drag the curve node to increase or decrease the gray scale information:
drag the node up to increase the information and down to decrease.
γ The γ correction is used to correct non-linear distortion of images.
Click [γ] in the soft menu or menu to adjust.
The adjusting range is 0-3.
Impacts The function is available in real-time imaging, freeze or cine review status.
The post process adjustment will not influence the cine review.
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