144 Chapter 9
The available values are 1 and 2.
The current setting is displayed on the screen next to Multibeam.
Baseline
The baseline is the point on the scale that separates forward flow from reversed flow.
You can reposition it (offset the Doppler color scale) to help with aliasing problems.
To adjust the baseline:
•
Press
[
Baseline
e
]
to move the baseline up or down.
The color bar is updated.
The frequency axis on the color bar is updated.
Steering
You can steer the Doppler beam of a linear transducer to vary the beam angle. This
can be useful for examining flow in blood vessels parallel to the transducer surface.
To adjust the beam angle:
•
Press
[
Steer
D
]
. You can choose left steering, right steering or no steering.
The shape of the color box is adjusted on the screen to reflect the beam angle.
Содержание Pro Focus 2202
Страница 1: ...English BB1279 A June 2005 Pro Focus 2202 Extended User Guide ...
Страница 14: ...14 ...
Страница 15: ...Part 1 Basics ...
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Страница 32: ...32 Chapter 1 ...
Страница 48: ...48 Chapter 2 ...
Страница 49: ...Part 2 Working with the Image ...
Страница 50: ......
Страница 98: ...98 Chapter 5 ...
Страница 117: ...Part 3 Imaging Modes ...
Страница 118: ......
Страница 136: ...136 Chapter 8 ...
Страница 152: ...152 Chapter 10 ...
Страница 164: ...164 Chapter 12 ...
Страница 165: ...Part 4 Setting up and Maintaining Your System ...
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Страница 200: ...200 Chapter 13 ...
Страница 208: ...208 Chapter 14 ...
Страница 209: ...Part 5 Pro Packages ...
Страница 210: ......
Страница 288: ...288 Chapter 19 ...
Страница 313: ...Part 6 Appendixes ...
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Страница 344: ...344 Appendix C ...