Check that the applicators are not damaged and that they fit easily into the treatment head.

For each applicator, check that exposure is not possible until the applicator is inserted fully and correctly into the treatment head.

For each applicator in turn, fit the applicator into the treatment head and check that interlock with each filter prevents the radiation beam from beaming on.

For each applicator check that an exposure is NOT possible with all other available filters.

*Note: Cone, filter, and door interlocks will prevent operation of the machine; Any issues with interlocks or other safety issue to be reported to the medical physicist
NEXT: Annual Calibration Checks & Document Review (2.5 mins)