5-8 Image Optimization
Operation Click [Gray Rejection] in the menu to adjust.
The adjusting range is 0-5.
Curve
Description To manually enhance or restrain the signal in the certain scale.
Operation Click [Curve] in the 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.
Ȗ
Description The Ȗ correction is used to correct non-linear distortion of images.
Operation Click [Ȗ] on the image menu to adjust.
The adjusting range is 0-3, increase the value, the image turns dark.
Gray Invert
Description Reverse the polarity of the image.
Operation Click [Gray Invert] to turn on or off the image inversion.
Impacts The gray rejection, curve, Ȗ and gray invert functions are available in real-time
imaging, freeze or cine review status.
These post process adjustments will not influence the cine review.
High FR
Description Increases the frame rate when being turned on in THI mode.
Operation In single B mode when THI is turned on, click the [High FR] item in the menu
to obtain images with high frame rates.
HScale
Description Display or hide the width scale (horizontal scale).
The scale of the horizontal scale is the same as that of vertical scale (depth),
they change together in zoom mode, or when the number of the image
window changes. The HScale will be inverted when image is turned up/down.
Operation Click [HScale] on the menu to display or hide the scale.
5.4 M Mode
5.4.1 M Mode Exam Protocol
1. Select a high-quality image during B mode scanning, and adjust to place the area of
interest in the center of the B mode image.
2. Press <M> on the control panel, and roll the trackball to adjust the sampling line.
3. Press <M> on the control panel again or <Update> to enter M mode, then you can
observe the tissue motion along with anatomical images of B mode.
4. During the scanning process, you can also adjust the sampling line accordingly when
necessary.
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