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SECURE PAGE PRINT OF
PROBE NOISE LEVEL
SCAN HERE
Probe 3
(cont'd)
:
Noise Level.
QA Reference Manual Section 4-2 Step 5.
Ensure that room lighting is set to normal
scanning conditions. Describe the lighting conditions for repeatability during the next QA check.
___________________________________________________________________________________________________________
Adjust the system settings to produces a clean image.
Wipe all the gel from the probe face, and set the probe in its holder. With transmit power at a fixed
value, adjust the overall gain, until the far field image (beyond 3cm) begins to fill with noise. Reduce
the overall gain until the last of those noise “speckles” disappear.
Note the gain level on film and make a hard copy record of this test.
Gain: ________________________ Focus : ________________________
For scan repeatability during
the next QA check, place a
check mark in a box to indicate
the relative position of each
TCG control for the scan.
Summary of Contents for LOGIQ 200
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