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Imaging Mode
Table 7-21: Other Power Mode Controls
Parameter
Depth
1/2/4
Alt
Using Power Mode
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
Optimizing Power Mode
Preset generally gives optimal performance with minimal adjustment. If
necessary, the following controls can be used to further optimize the Power
Mode display:
Adjust the following settings to further optimize image display:
Rev 1.00
Description
Adjusting the depth will influence diagram frame rate and
resolution. Decreasing the depth may allow for higher
frame rate and lower resolution. Increasing the depth will
increase image resolution and decrease frame rate.
Enables multiple image display windows in which two or
four images can be viewed simultaneously.
Displays Simultaneous parameter.
While in Color mode select Angio in the Main menu.
Use the trackball to position the Color ROI over the area to be exam-
ined.
Rolling the trackball to adjust the position of the Color ROI.
To adjust the Color ROI size, press Set key and use the trackball.
To enlarge or narrow the Color ROI, roll the trackball to the left or
right.
To lengthen or shorten the Color ROI, roll the trackball up or down.
Press Set key on the control panel when the desired size is obtained.
Reposition the Color ROI as needed.
Press Freeze key on the control panel to stop imaging.
To quit Power Doppler imaging, please press CFM or 2D key.
Select Gain to adjust gain in the color flow area.
Set Scale to the highest setting that provides adequate flow detection.
Select LVRej to remove low velocity blood flow and tissue movement
to improve image quality.
Select Freq. to optimize the color flow display. Higher settings improve
resolution. Lower settings improve depth penetration and sensitivity.
Select Frame Rate to adjust the Frame Rate.
Select Power to obtain an acceptable image while using the lowest set-
ting possible.
Chapter 7 - System Operation
139
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