Samsung SV-651B Wartungshandbuch PDF herunterladen (Seite 117)

GE HEALTHCARE

IRECTION 5194296-100, REVISION 10 LOGIQ BOOK XP SERIES BASIC SERVICE MANUAL

Chapter 4 Functional Checks 4-11

4-3-7-2 B Mode OP Panel Controls

Table 4-3 B Mode Control Panel Controls

Step Task Expected Result(s)

Press B Mode key B Mode Starts

Adjust Depth

Adjust the field of view. Increasing the depth may view larger/deeper structures rates, and

decreasing the depth may view near the skin line.Press Up/Down Button to increase/

decrease. Depth displays on the monitor in cm.

Adjust Gain

Controls the amount of echo information displayed in an image. Turn B Mode dial to the

left/right to increase/decrease Gain. Gain displays on the monitor in G (dB).

Adjust Focus

Increases the number of focal zones or moves the focal zone(s) to tighten up the beam

for specific area. Press the control to toggle between Focus Position and Focus Number.

Press Up/Down Button to move or adjust the focal numbers.

Activate Auto Optimize

Optimize the image based upon a specified region of interest or anatomy. Press the

Center Button in the Gain Dial to toggle the ATO/ACE On and Off.

Adjust Time Gain

Compensation (TGC)

Amplifies the returning signals to correct for the attenuation caused by tissues at

increasing depth. TGC slide pots spaced proportional to the depth. Move the slide pots to

the left/right to decrease/increase TGC. A TGC curve appears on the display.

Adjust Scan Area

Widen or narrow the size of the sector angle to maximize the image’s region of interest

(ROI). Press Scan Area and move the Trackball to narrow/widen the angle.

Adjust Zoom

Changes the location of the focal point(s). A triangular focus marker indicates the depth

of the focal point.

Zoom Clear Clear Zoom to normal condition.

Reverse Toggles the left/right orientation of the scan image.

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Samsung SV-651B Wartungshandbuch Seite 117