Methods and related systems for handling product settings of operating parameters of a product inspection system are disclosed. A radiation unit for causing radiation to impinge onto a subject product and a detector unit for detecting the radiation transmitted through or reflected from the subject product are controlled by a control unit. Validated status of validated product settings associated with a selected product are displayed at a visual display unit and access for modifying at least one of the validated product settings is denied. Removal of the validated status via user input into an input unit is requested. In response, a user sign-in request is displayed and received. In response to a successful user sign-in, an unvalidated status of the product settings associated with the selected product is displayed and access for modifying at least one of the product settings associated with the selected product is permitted.