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Maintenance | GN70/MX610/MX612 Operator and Installation Manual
9. Press the MENU key, then choose Start Upgrade, press ENT.
10. Answer YES on the dialog box.
11. After a few seconds the progress meter will indicate the status of download.
12. Repeat the process for gateway number [002xxx#], then finish with the programming with
the board s/n [001xxx#].
13. Remove the USB.
14. Verify the software version under the Menu/Tools & Settings/Network/Device List.
15. Reset the junction box to Default. Press MENU, select Tools and Settings, Network and
NMEA183 Over MXJB. Activate Restore to default.
16. Power cycle the system.
¼ Notes:
• It is important that the three MXJB gateways (or SI80 Pilot Controller) of the MX612 be
programmed one at a time to prevent conflicts.
• Upgrading the MX610JB/MX612JB junction box software through the USB port of the MX61x
CDU requires an external 12 VDC supply to the NMEA 2000 bus (see the diagram below).
Software update of the junction box may fail if no external 12 VDC is applied. The external 12
V can be supplied by a second MX61x system by interconnecting the two networks during
the upgrade.
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