2277615-100
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GE Medical Systems
11/16
Probe 2 (cont'd):
Assess the image for uniformity from near field to far field.
Change
No Change (or First Test)
With your eye, evaluate the scan for image uniformity against the three indicators below:
The average brightness at the edge of the scan is the same as the average brightness in the
middle.
Agree
Disagree, slight non-uniformity
Disagree, major non-uniformity
There are no vertical or radially oriented shadows from array element dropout.
Agree
Disagree, slight non-uniformity
Disagree, major non-uniformity
There are no noticeable brightness transitions between focal zones.
Agree
Disagree, slight non-uniformity
Disagree, major non-uniformity
QA Reference Manual Section 4-2 Step 3.
from the vertical pin closest to the skin line to the pin furthermost in depth. Do the same with
the horizontal row of pins.
Did the distance between the pins measured equal the e-caliper measurement?
Pass
Fail
Change
No Change (or First Test)
QA Reference Manual Section 4-2 Step 1.
how well the system/probe can display two targets side by side. The smallest visible distance
of two targets on the same horizontal plane is the Lateral Resolution.
Note the Lateral Resolution measurement in mm : ________________________________
QA Reference Manual Section 4-2 Step 2.
AXIAL resolution defines how well
the system/probe can display two targets above and below each other. The smallest visible distance
of two targets on the same vertical plane is the Axial resolution.
Note the Axial Resolution measurement in mm : ________________________________
Содержание LOGIQ 200
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