there exist four different types of system configurations; with Furuno Supplied monitor, Black box type, Console type RCN-001/RCN-002 and Console type RCN-003/RCN-004.
For this type of configuration RCN-001 or RCN-002 houses the Processor Unit, RPU-013 and a memory card interface, CU-200. Memory card may also be installed external to the console.