VDO MG 2100 Dokumentacja Pobierz pdf (Strona 74)

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74 VisualSonics Vevo 2100 Imaging System Operator Manual Rev 1.1

Chapter 10: Setting the General tab preferences

 Select Velocity to set the scale to measure the data in mm/s

 Select Frequency to set the scale to measure the data in kHz

3. Click OK.

The system applies the selected scale on the Y axis.

PW Doppler Y axis scale set to Velocity

Contrast Mode preferences

Use the Contrast Mode section to set the default parameters for a pre-triggered

destruction burst event for an injected contrast agent.

f To set the default burst event parameters:

1. From the Study Browser (page 49) click Prefs and then click the General tab.

2. In the Contrast Mode section, configure the settings as described in the

following table:

Preference Description

Destruction From the drop-down list select one of the following two options.

 Internal. The system applies the ultrasound burst through the array that you

connect to the front panel of the Vevo 2100 Imaging System

 External. The system applies the burst through the external Vevo SoniGene

transducer that you connect to the

Parallel port on the rear panel of the Vevo

2100 Imaging System.

Seconds From the drop-down list select the appropriate length of the destruction burst.

 For internal bursts, you can select 0.1, 0.25, 0.5, 1.0 seconds

 For external bursts, you can select 1, 2.5, 5, 10, 15 seconds

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