GE H
EALTHCARE
D
IRECTION
5158821-100, R
EVISION
3
E
X
PLORE
L
OCUS
SP S
ERVICE
G
UIDE
Page 116
8.
Make note of the CS2 file’s two y coordinates in the Worksheet.
9.
Access
Calibration Tools
and select the
Calculators
tab.
10. Enter the 4 following values under Central Slice Calculator in the order below:
y1a pos:
enter the CS1 file’s top bebe’s y coordinate
y2a pos:
enter the CS1 file’s bottom bebe’s y coordinate
y1b pos:
enter the CS2 file’s top bebe’s y coordinate
y2b pos:
enter the CS2 file’s bottom bebe’s y coordinate
11. Press the
Update
button under Central Slice Calculator.
12. Make note of the Central Slice value (e.g. 1453.25) in the Worksheet.
7.2.7
Verify Stage Alignment
VERIFY STAGE TILT (FRONT-TO-BACK MOVEMENT):
1.
Turn off X-rays and adjust the X,Y Centring Ball tool so that the bebes are facing the detector.
2.
Turn x-rays back on and wait a few minutes for the Source to stabilize.
3.
Move the stage (using
X-Ray and Motor Controller
) 120mm back toward the detector.
4.
Access
Fluoro
and press
m
to display the mouse position window.
5.
Rotate the tool until the top bebe appears in the centre of the x axis of the
screen.
6.
Adjust the elevation using the
X-Ray and Motor Controller
program so
that the top bebe moves downward and appears within 200 pixels of the
bottom of the screen.
7.
Capture an image in
Fluoro
and name it
shim1.
8.
Adjust the elevation, so that the top bebe moves upward and appears within 200 pixels of the
top of the screen (approximately 50mm).
Summary of Contents for Healthcare eXplore Locus SP
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