RIDGID 39843 CS-1000 Circuit Board Set. The CS-1000 Camera Control Unit is a high-quality monitor that allows users to digitally record and report their field inspections. Being able to write and report your finds and footage from the field is the ultimate in convenience. The RIDGID 39843 CS-1000 Circuit Board Set Is a genuine replacement part manufactured by RIDGID for the CS-1000 Camera Control Unit. The RIDGID 39843 CS-1000 Circuit Board Set is fully covered under RIDGID's 3-year limited performance warranty and lifetime warranty to be free of material defects.