GE Vivid 7, Руководство по обслуживанию

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GE H
EALTHCARE
D
IRECTION
FC091194, R
EVISION
11 V
IVID
7 S
ERVICE
M
ANUAL
Chapter 4 - Functional Checks 4 - 33
4-3-6-2 Preparations (cont’d)
4.) Press
2D
on the Operator Panel to access 2D Mode.
5.) These Image Controls are used to optimize the 2D picture:
- Use
Gain
and
TGC
controls to optimize the overall image together with the
Power
control.
- Use
Depth
to adjust the range to be imaged.
- Use
Focus
to center the focal point(s) around the region of interest.
- Use
Frequency
(move to higher frequencies) or
Frame rate
(move to lower frame rate) to
increase resolution in image.
- Use
Frequency
(move to lower frequency) to increase penetration.
- Use the
DDP
control to optimize imaging in the blood flow regions and make a cleaner, less
noisy image.
- Use
Reject/Adaptive Reject
controls to reduce noise in the image.
- Use the
UD Clarity
control to personalized appearance of the tissue. Moving the paddle to
the left creates a smoother image, though keeping boundaries sharp. Moving the paddle to
the right creates a crisper image.
Figure 4-28 Mode Dependent Keys, Zoom and Soft Menu Key
WARNING WARNING Always use the minimum power required to obtain acceptable images in accordance
with applicable guidelines and policies.
Depth
Gain
Mode Dependant Keys
Width
Frequency
Focus
Frame rate
Up/Down*
Left/Right*
Cineloop (in Freeze, only)
B Color Maps
Soft menu
Compress
*
Reject */Adaptive Reject
1
Dynamic Range
Tilt
Contour
Diff On/Off
DDP
*
Power
UD Clarity
1
2D
Freeze
Controls marked with * in the illustration are also available in Freeze and Cine Replay.
Controls marked with
1
in the illustration are used for Cardiac Probes in software version v7.0 and newer.
Zoom
Zoom
Display zoom
HR zoom