ProxiDiagnost N90 Image-intensified fluoroscopic x-ray system
After the user selects the Lock-in command, the kV and mA values are not locked immediately and can adjust if the collimator shutter position is changed directly after the Lock-in command.
Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-0727-2021