• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA3025E970GYZ
  • Topic ID: id_2032777 Version: 1.3
  • Date: Jul 5, 2021 11:40:56 PM

Setting up for HOEC calibration scan

About this task

Procedure

  1. Set the universal phantom pad in the middle of the table and align the pad’s crosshairs to the closest PA crosshairs using the laser alignment lights.
  2. Put the sphere on the pad with the strap (in the groove) in the orientation shown below, making sure the laser lights are cross-centered on the sphere and phantom pad.
    Figure 1. Placing the LVShim phantom on the patient table
    Note: This image is a representative example. Actual systems may vary.
  3. Set up and align the LVShim phantom. Align the phantom so that:
    1. The strap on the phantom is aligned parallel to the table surface.
    2. The phantom is centered left to right with respect to the cradle top.
  4. Landmark on the universal phantom pad crosshairs.
    Note: The landmarking tolerances of the LVShim tool are: I/S: ± 3 mm, A/P: ± 30 mm, R/L: ± 5 mm. Ensure accuracy of the placement for landmarking.
    Note: Due to the tight landmarking tolerance, it is important to align the lasers on the crosshairs of the LVShim phantom.