GE LOGIQ 200 Quality Assurance Manual page 19

g
GE Medical Systems
Probe 1 (cont'd):
Noise Level .
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:
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.
QA Reference Manual Section 4-2 Step 5.
________________________
9/16
Ensure that room lighting is set to normal
Focus : ________________________
SECURE PAGE PRINT OF
PROBE 1 NOISE LEVEL
SCAN HERE
2277615-100
REV 0