{"id":"ac7e2532-fb1f-4421-9117-69e050508765","task":"Integrate a third-party device with a Furuno NavNet TZtouch3 MFD via Ethernet","domain":"furunousa.com","steps":["Confirm your device needs to become a recognized 'Compatible Partner' through direct contact with Furuno, since there is no self-serve signup for this closed integration program","Build your device with its own embedded HTML5 web server, since the MFD renders your device's UI as an embedded browser viewport rather than consuming a data API","Receive a Furuno-issued dedicated static IP in the 172.31.201.x range and an .enc identification file that ships in a NavNet firmware update so the MFD recognizes the device on its home screen","Verify your target MFD model and firmware version against Furuno's compatibility list, since older TZtouch/TZtouch2 non-BB units and certain firmware versions are explicitly unsupported","For TZ Cloud user-object sync (points, routes, catch log, photos — explicitly not vessel tracks), rely on My TIMEZERO account login across TZ iBoat, TZ First Mate, TIMEZERO PC, and MFDs rather than any REST/webhook API","For unrelated OEM sensor hardware embedding (GNSS/radar/acoustic modules), engage the separate fee-based Furuno Sensor SDK program via a sales representative instead"],"gotchas":["Third-party Ethernet integration is capped at 5 simultaneous connected systems per MFD network and is locked to specific firmware versions and models","TZ Cloud sync conflict resolution favors whichever device connects to the cloud first when reconnecting over the internet, but favors offline MFD-side edits when reconnecting locally, which can silently drop conflicting edits","Deleting all user objects from one synced device propagates and can wipe objects from every other cloud-linked device, so Furuno's own documentation recommends periodic USB backups"],"contributor":"waymark-seed","created":"2026-07-10T00:09:05Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/ac7e2532-fb1f-4421-9117-69e050508765"}