Image Optimization 5-15
ROI Adjustment
This function is to adjust the width and position of ROI in Color mode.
When the ROI box is dotted line, roll the trackball to change the 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.
The larger the ROI box, the lower the frame rate, and the lower the resolution and
color sensitivity.
Image Quality
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 right corner of the
screen.
Rotate the knob under the [Image Quality] on the touch screen to select the
different frequency values.
The adjusting range of frequency values can be divided into 3 levels, penetration
preferred, (Pen), general mode (Gen), resolution preferred (Res).
Values of frequency vary by probe types. Select the frequency according to the
need of the detection depth and the current tissue characteristics.
B/C Align
To set and constrain the maximum width of the B mode image to that of the Color
ROI.
Turn on or off the function through the [B/C Align] item on the touch screen.
Frame rate increases when the function is turned on.
Dual Live
This function is used to display B image and Color image synchronously.
Turn on or off the function through the [Dual Live] item on the touch screen.
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).
Steer
The feature is used to adjust the ROI of color flow of different angles with
immobility of the linear probe.
Adjust through the <Steer> deflector rod on control panel.
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 valid only for linear probes.
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