6 - 2 Operator’s Manual
6 Image Acquisition
Increase the depth to see tissue in deeper locations, or decrease the depth to see tissue in shallower
locations.
TGC
The system compensates the signals from deeper tissue by segments to optimize the image.
Acoustic power
Refers to the power of ultrasonic waves transmitted by the probe, the real-time value of which is
displayed in the top-left part of the screen.
You should perform exams according to actual situation and follow the ALARA Principle.
Focus
Refers to adjusting the focus of the ultrasonic beams, using the focus arrow symbols which are
displayed to the right of the image.
Image Adjustment
More information can be obtained without moving the probe or changing the sampling position.
• FOV (Field of View): You can get a much larger field of view when selecting a larger FOV.
The frame rate decreases when using a larger FOV.
• Steering: Use to adjust the steer angle.
• ExFOV (Extended FOV): Off represents no ExFOV effect.
– For linear probes, the ExFOV function displays as trapezoid imaging.
– For convex probes, the ExFOV function displays as extending the scanning angle.
• The FOV position/range is available only for the convex and phased probes.
• When the scan range is adjusted to the widest, the FOV position cannot be changed.
• The steering function is available only for linear probes.
Dynamic Range
Adjusts contrast resolution of an image, compresses or expands gray display range.
The real-time dynamic range value is displayed on the image parameter area.
The more the dynamic range, the more specified the information, and the lower the contrast with
more noise.
Gray Map
Adjusting grayscale contras to optimize the image.
Tint Map
This function provides an imaging process based on color difference rather than gray distinction.
Line Density
The function determines the quality and information of the image.
The higher the line density is, the higher the resolution becomes.
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