• Topic ID: id_2030116
  • Version: 3.0
  • Date: Aug 30, 2021 3:42:08 PM

RCK Planned Maintenance

Prerequisites

As a monitoring system, the planned maintenance is necessary to ensure accuracy and clarity of the AVIMOS.
  • For Revolution™ CT, Revolution™ CT ES, Revolution™ Apex and Revolution™ CT with Apex Edition, a FE must complete a minimum of three (3) camera inspections for in the Planned Maintenance, refer to Full Year Schedule for frequency of PM tasks.
  • For other products, a FE must complete a minimum of three (3) camera inspections for in warranty PM (1 time/year) and out-of-warranty PM (3 times/year), refer to the following inspection procedure.
note: Eye Chart and the Semi Transparent films are needed for this procedure.
note: Camera lens may require cleaning. Clean camera lenses with air can to remove dust and lint. If required, a lint free cloth maybe used to wipe off the lenses, but touching the cameras could cause miss-alignment.
  1. Obtain QA water phantom and align it to the laser alignment lights.
  2. Power ON the AVIMOS computer if required to view the user interface.

    Figure 1. User interface





  3. Click A to zoom the side video.
  4. Put the Eye Chart 1 onto cradle with paper edge located to cradle edge.
  5. Put the side semi-transparent film template on the monitor screen.
  6. Observe the monitor screen and verify the following:
    • The symbol for side camera on the Eye Chart 1 can be seen.
    • The characterized target is displayed clearly into the expected area marked by the red dotted lines/circles.
    • If alignment is required, do not adjust at this time. Continue with camera inspections.
  7. Return to the main interface.
  8. Click B to zoom the rear video.
  9. Move cradle into the gantry until max travel limitation has been reached.
  10. Keep the Eye Chart 1 onto cradle with paper edge located to cradle edge.
  11. Remove the side semi-transparent film template and put the rear semi-transparent film template on the monitor screen.
  12. Observe the monitor screen and verify the following:
    • The symbol for rear camera on the Eye Chart 1 can be seen.
    • The characterized target is displayed clearly into the expected area marked by the red dotted lines/circles.
    • If alignment is required, do not adjust at this time. Continue with camera inspections.
  13. Return to the main interface.
  14. Click C to zoom the front video.
  15. Press the table home button until cradle is lowered to the lowest position
  16. Remove the Eye Chart 1 and put the Eye Chart 2 onto cradle front end.
  17. Remove the rear semi-transparent film template and put the front semi-transparent film template on the monitor screen.
  18. Observe the monitor screen and verify the following:
    • The symbol for front camera on the Eye Chart 2 can be seen.
    • The characterized target is displayed clearly into the expected area marked by the red dotted lines/circles.
    • If alignment is required, do not adjust at this time. Continue with camera inspections.
  19. If the inspection fails, follow AVIMOS Installation and Set Up to re-adjust cameras.
    note: A keyboard will be required. Set scan room lighting to low lighting (for example, the same lighting that is used to align a patient to the lasers).
    important: Properly store the eye chart and the semi-transparent film as they are used during the replacement and alignment process.