
410 VisualSonics Vevo 2100 Imaging System Operator Manual Rev 1.1
Appendix C: Descriptions of control panel controls
Active during: PW Doppler Mode, PW Tissue Doppler Mode, Color Doppler
Mode, Power Doppler Mode image acquisition sessions.
Dynamic Range
Adjusts the input signal strength that is mapped into the spectral display. Range:
5-100dB.
Push up to increase the range by 5dB and lower contrast. Higher dynamic
ranges are often used in cardiac imaging.
Pull down to decrease the range by 5dB and increase contrast. Lower dynamic
ranges are often used in abdominal imaging.
Active during: M-Mode, PW Doppler Mode, PW Tissue Doppler Mode, Power
Doppler Mode image acquisition sessions.
ESC
Click to cancel an individual measurement, or store the measurements you have
made during a measurement chain.
Export
Exports image frames, cine loops, DICOM images, reports and tables. Opens the
Export window.
Focal Zones
This control adjusts the number and configuration of focal zones on your B-Mode
based image.
Focal zones enhance the resolution across your image, while slightly reducing the
acquisition frame rate. The system always displays at least one focal zone, and
you can apply a maximum of two additional zones depending on the transducer.
When you add focal zones the system maximizes the resolution for a larger area
of your image, and reduces the acquisition frame rate.
To use this rocker switch control:
1. Push the rocker switch forward to cycle through the following focal zone
application sequence:
Single zone
Two zones, narrow
Two zone, wide
Three zones, narrow
Three zones, wide
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