Transas NAVI-SAILOR 4100 ECDIS Installation Manual page 68

NS 4000 Configuration
RS6 I/O ports
– Check the checkbox if you intend to work with the alarms/warnings
via the RS6 computer discrete ports (for the port setup see items 7 and 8).
6. Switch to “Targets Subsystem” page:
66 NAVI-SAILOR 4000/4100 ECDIS (v. 2.00.009). Installation Guide