6 - 20 Operator’s Manual
6 Image Acquisition
Gray Map
Selects among post processing map curves to optimize grayscale images.
Display Format
Sets the display proportion of PW mode image and B mode image.
Duplex/Triplex
This function is used to set if B image or B+Color image (Power) is scanned synchronously.
HPRF
HPRF mode is used when detected velocities exceed the processing capabilities of the currently
selected PW Doppler scale or when the selected anatomical site is too deep for the selective PW
Doppler scale.
HPRF enhances the range of detecting high-velocity flow.
Baseline
Refers to the area where the velocity in zero in the spectrum. The map changes after being edited.
To optimize the image, adjust baseline according to the actual situation to change the range of flow
velocity.
Angle
This function is used to adjust the angle between Doppler vector and flow to make the velocity
more accurate.
The real-time adjusting angle value is displayed in the image parameter area.
Rotate the <Angle> knob on the control panel to adjust.
Quick Angle
Adjusts the angle faster in increments of 60°, and the real-time value of which is displayed in the
image parameter area.
The function is available in real-time imaging, freeze or cine review status.
Dynamic Range (Dyn Ra.)
The dynamic range conveys the information that being transformed from echo intensity to gray
scale.
With the contrast range, dynamic range, information displayed more, the noise increases more as
well.
Volume
Adjusts the output audio in spectrum Doppler.
Utilizing the output audio helps to identify the feature and status of flow.
Steer
Adjusts the scan angle in PW mode, so as to change the angle between the transmitting beam and
flow direction.
Obtain more information with immobility of the probe.
Values of steer angles vary with the probe.
Steer is available only for linear probes.
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