7-4
Gendex GXCB-500
TM
Service Manual
G990710 30 June 2008
Geometry Calibration
It is recommended to perform the Geometry Calibration annually to
ensure optimal image quality or if the image quality is degraded. The
Panel Calibration must be performed prior to this. The Geometry
Calibration runs in both Portrait and Landscape positions and takes
about 12 to 15 minutes to complete.
Perform Geometry Calibration:
12. Use the Back / Front feature to ensure the Panel is set to the
back.
13. Place BB Phantom on a piece of foam and center the phantom on
the platform.
14. Ensure that the BB Phantom is level. Use shims or pieces of
paper under the phantom to level it if necessary.
15. Center the BB Phantom (left to right) using the Front Laser.
16. Align the BB Phantom crosshair slits so that the laser beams
penetrate through the phantom crosshair slits and appear on the
receptor panel.
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