Chapter 14: Quality Assurance and Maintenance
5495975-1EN Rev.9
14-7
© 2013-2017 General Electric Company. All rights reserved.
Figure 14-9
Flat-field Tests screen
7. Follow the instructions at the bottom of the Flat-field Tests screen:
a) Remove the grid (if necessary)
b) Insert flat field phantom into the collimator rail.
c) Remove any objects from the x-ray path.
d) Prep and Expose the flat-field phantom.
8. Wait for the exposure sequence to complete.
The phantom image appears on the monitor (Figure 14-10).