GE H
EALTHCARE
D
IRECTION
5158821-100, R
EVISION
3
E
X
PLORE
L
OCUS
SP S
ERVICE
G
UIDE
Page 110
34. Check that the unwarped corrected_grid file is straight by dragging another window edge over
the rows and columns of bebes. Use the window’s edge as a ruler to ensure the bebes are
perfectly aligned both vertically and horizontally.
If bebes are not aligned, repeat the creation of transform files.
7.2.4
Complete Transform1 File Creation
This set of procedures determines the tilt angle of the installed bebe grid and generates a new
Transform file to compensate for the angle.
To calculate the tilt:
1.
Turn off X-Ray Source and position the X,Y Centring Ball tool on the cone.
2.
Turn on the X-Ray Source.
3.
Open
Fluoro
and press
m
to display the mouse position on the
Fluoro
screen.
4.
Use the
X-Ray and Motor Controller
to elevate the stage until one small bebe appears in the
middle y axis of the display screen.
5.
Rotate the tool until the bebe is on the left side of the screen (approximately 250 pixels from
the outside of the screen). To get the bebe 250 pixels from the outside, adjust the magnification
(approximately 40mm away from the detector).
Note:
The next few steps attempts to find the value of the bebe’s outer most position during the bebe’s
rotation arc. Using the mouse window as a reference point, the tool is
slightly
rotated in each
direction until the outer most position is determined.
Outer most position.
Summary of Contents for Healthcare eXplore Locus SP
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