Discontinued IC systems Last updated Save as PDF Issue What IC systems have been discontinued? Environment ICS-900 ICS-1000 ICS-1500 ICS-2000 ICS-2500 ICS-3000 ICS-5000 DX-500 DX-600 DX-800 Resolution The systems below have been discontinued. Click the instrument name to view the discontinuation letter. ICS-900 ICS-1000 ICS-1500 ICS-2000 ICS-2500 ICS-3000 ICS-5000 DX-600 DX-800