GE
D
IRECTION
5535208-100, R
EV
. 2
LOGIQ E9 S
ERVICE
M
ANUAL
4 - 34
Section 4-3 - Functional checks
4-3-5-3
Preparations
Use a phantom (optional) when doing these tests.
1.) Connect one of the probes, to the scanner’s active probe connector.
-
see:
Section 3-6-6 "Connecting Probes" on page 3-20
for info about connecting the probes.
-
For available probes, see:
Section 9-18 "Probes" on page 9-104
.
2.) Turn ON the scanner.
The B-Mode window is displayed (default mode).
3.) If needed, adjust the Display’s Brightness and Contrast setting (see:
Section 6-3 "LCD Monitor
adjustments" on page 6-2
).
1.) Press
B-MODE
on the Operator Panel to access B-Mode.
2.) These Image Controls are used to optimize the B-Mode 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 control to optimize imaging in the blood flow regions and make a cleaner, less noisy
image.
-
Use
Reject
controls to reduce noise in the image.
4-3-5-4
Checks
•
Check Width, Focus, Framerate, Frequency
The results of these adjustments must be verified on the B-Mode sector on the screen.
•
Check Up/Down, Left/Right, B Color Maps and Cineloop
The results of these adjustments must be verified on the B-Mode sector on the screen.
•
Check Gain, TGC and Depth
•
Check B-Mode Soft Menu Controls
•
Check Compress, Contour, Reject and Tilt
•
Check Power and Dynamic Range
WARNING
WARNING
ALWAYS USE THE MINIMUM POWER REQUIRED TO OBTAIN ACCEPTABLE IMAGES
IN ACCORDANCE WITH APPLICABLE GUIDELINES AND POLICIES.
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