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GE H
EALTHCARE
D
5344303-100, R
IRECTION
4-3-6-2
B Mode OP Panel Controls
Step
1
Press B Mode key
2
Adjust Depth
3
Adjust Gain
4
Adjust Focus
5
Activate Auto Optimize
7
Adjust Time Gain Compensation (TGC)
8
Adjust Scan Area
9
Adjust Zoom
10
Reverse
11
Zoom Clear
PROPRIETARY TO GE
3
EVISION
Table 4-3 B Mode Control Panel Controls
Task
Chapter 4 Functional Checks
Expected Result(s)
B Mode Starts
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.
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).
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.
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.
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.
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.
Changes the location of the focal point(s). A
triangular focus marker indicates the depth of
the focal point.
Toggles the left/right orientation of the scan
image.
Clear Zoom to Normal condition
V
P3 S
M
IVID
ERVICE
ANUAL
4-11
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