SAEVO EVUS 8, Руководство пользователя

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6 Acquiring Images
74 Basic User Manual
■ Power
Power is used to select the amount of ultrasound acoustic power produced by the probe. The adjustment range of
the power is 30
%
-100%, and ±10% can be adjusted each time. The real time value of the power is displayed in the
image parameter area on the basic screen.
To adjust the power:
1. Select
Power% by pressing the corresponding function key.
2. Rotate it to adjust the value.
NOTE:
Expose the patient to the lowest practical transmit power level for the shortest possible time to achieve a
satisfactory diagnosis.
■ Chroma
Chroma is used to colorize the gray scale image to enhance the discrimination capability.
To adjust the chroma:
1. Select
Chroma
by pressing the corresponding function key.
2. Rotate it to choose a color scheme.
■ Dynamic Range
Dynamic Range increases the adjustable range of contrast by enhancing the intensities of parts in the grayscale. It
is useful for optimizing the ultrasound image texture.
To adjust the dynamic range:
1. Select
DYN
by pressing the corresponding function key.
2. Rotate it to adjust the value.
■ Display Format
Display format is used to view the image better.
To set the display format:
1. Select the
Menu
key in the real time PW/CW mode. A menu pops up on the screen.
2. Select Dis Format by using the trackball or the ↑ or ↓ key.
3. Rotate the Menu key or select the ← or → key to adjust the setting.
■ Flow Invert
Flow invert is used to view the flow velocity from a different perspective.
To enable or disable the flow invert:
● Select the Invert key to enable the feature, and Invert appears on the top right corner of the image.
● Select the Invert key to disable the feature, and Invert disappears on the top right corner of the image.
■ Video Invert
Video invert is used to view the background of the spectral display from a different perspective.
To enable or disable the flow invert:
1. Select Video Invert by pressing the corresponding function key.
2. Rotate it to enable or disable this feature.