Samsung SONOVET R5 Manual do Utilizador Página 86

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Operation Manual
Basic Use
The items that can be used commonly in each diagnosis mode are shown below:
QuickScan / Gain
QuickScan: The ‘Q Scan mark will appear at the top of an image. In 2D Mode, it is used to optimize
the contrast and brightness of an image by adjusting Gain and TGC automatically. In PW Spectral
Doppler Mode, it is used to optimize the spectrum by adjusting Scale and Baseline automatically.
Press the Exit button to quit the Quick Scan Mode.
Gain: Use the QuickScan / Gain dial-button on the control panel. You can adjust the brightness of
an image. If you rotate the Gain dial-button clockwise, its value increases.
TGC (Time Gain Compensation)
Use the TGC slide on the control panel.
In general, ultrasound penetration gets weaker with depth. TGC can be used to compensate for this ef-
fect.
The product provides eight TGC slides for varying depths, allowing you to adjust Gain by area. Among
the eight slides, the top slide represents the shallowest area, while the lower slides represent the deep-
er ones.
Move the slide to the right (+) to increase Gain, brightening the image.
CAUTION: Too large a difference in the gain value settings of two adjacent slides may lead to
inaccurate image generation.
Focus
Use the Focus switch on the control panel. Press the upper button to position the focus shallower or
press the lower button to position it deeper.
Depth
Use the Depth switch on the control panel. Press the upper button to make it shallow or press the lower
button to make it deeper. Adjustment range varies depending on the probe type selected.
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