5-26 Image Optimization
Dynamic Range
Description
The dynamic range conveys the information which is being transformed
from echo intensity to grayscale.
Operations
Adjust using the [Dyn. Ra.] item on the touch screen.
The adjusting range is 24-72dB.
Effects
The more the dynamic range, the more specific the information and the
lower the contrast with more noise.
Audio
Description
This function is used to adjust the output audio in the spectrum map.
Operations
Rotate the <Volume> knob on the left of the touch panel to adjust the
volume.
Press the <Volume> knob to open or shut down the volume.
The adjusting range of the audio is 0-100%.
Effects
Utilizing the output audio helps to identify the feature and the status of
flow.
Steer
Description
This function is used to adjust the angles for the sampling line.
Operations
Use the <Angle/Steer> key on the control panel to switch to “Steer
adjustment”. Tap [Steer] on the touch screen to adjust. The adjusting
range is -12 to 12.
Effects
This feature is used to steer the direction of the beam so as to change the
angle between the beam and flow direction with immobility of the linear
probe.
The values of steer angles vary according to the probe.
Impacts
The PW Steer function is available only for linear probes.
