VDO MG 2100 Specifiche Pagina 411

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Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 411
Appendix C: Descriptions of control panel controls
2. Pull the rocker switch back to cycle back through the focal zone options in
reverse.
Focus Depth
Adjusts the depth of the B-Mode focal zone or focal zones on your image. When
you have more than one focal zone this control moves the depth of all the focal
zones as a group. Push up to decrease the depth. Pull down to increase.
Frame Rate
Adjusts the acquisition frame rate. Turn clockwise to increase the frame rate. Turn
counterclockwise to lower the frame rate.
In Contrast Mode you can select Low, Medium, High, Max
In PW Doppler Mode and PW Tissue Doppler Mode at high pulse rate
frequencies in the dual mode window view, use the control to increase or
decrease the refresh rate for the B-Mode scout window
Active during: Contrast Mode, PW Doppler Mode and PW Tissue Doppler Mode
image acquisition sessions.
Frame Store
Stores a snapshot of all the content in the visible frame in the ultrasound image
area.
In M-Mode, PW Doppler Mode and PW Tissue Doppler Mode, stores the
complete cine loop.
Frequency
Adjusts the transmit frequency of the transducer between the higher and lower
frequency levels that are supported by the specific transducer. When you increase
the frequency you can improve detail at the focus depth but the system tends to
lose detail at deeper tissues.
Push forward to increase the frequency. Pull back to decrease the frequency.
Help
Opens the Help system for the Vevo 2100 Imaging System.
Image Depth
Adjusts how deep in mm you want to display the ultrasound signal. Pull down to
increase the depth. Push up to decrease the depth. The available depth is
transducer dependent.
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