5-16 Image Optimization
Operation When the ROI box is dotted line, roll the trackball to change its size.
When the ROI box is solid line, roll the trackball to change the position.
Press <Set> to switch between the solid line and the dotted line status.
You can set the default ROI position and size in "[System Preset]→[Image
Preset]→ Color".
Impacts The larger the ROI box, the lower the frame rate, and the lower the
resolution and color sensitivity.
Frequency
Description
Refers to the operating frequency in Color mode of the probe, the real-time
value of which is displayed in the image parameter area in the upper left
corner of the screen.
Operation Select the frequency value through the [Frequency] item in the soft menu
or menu.
Or adjust it in the image parameter area.
Values of frequency vary by probes. Select the frequency value according
to the need of the detection depth and the current tissue characteristics.
Effects The higher the frequency, the worse the axial resolution, and the better the
force of penetration.
Focus Position
Description
To adjust the color focus position against the ROI position.
Operation Change the position through the [Focus Position] item in the soft menu or
menu.
B Display
Description
To turn on or off the B image display as Color imaging remains active.
Operation Turn on or off the function through the [B Display] item in the soft menu or
menu.
Impacts The function is available in real-time imaging, freeze or cine review status.
B/C Wide
Description
To set and constrain the maximum width of the B mode image to that of the
Color ROI.
Operation Turn on or off the function through the [B/C Wide] item in the soft menu or
menu.
Impacts Frame rate will increase when the function is turned on.
Dual Live
Description
This function is used to display B image and Color image synchronously.
Operation Click [Dual Live] in the soft menu or menu to turn on or off the function.
When the function is turned on, the window will be automatically switched
to the dual windows (one for B image, and the other for Color image).
Impacts The function is available in real-time imaging, freeze or cine review status.
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