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5.4. NMEA2000 and NMEA0183 output sentences
Only output on the NMEA2000 and NMEA183 the sentences that are needed. Uncheck
every output sentences if nothing is connected to the corresponding port. This will help
you in the future confirm that nothing is connected to the port (without having to look
physically on the back of the MFD).
Make sure also that you don’t create any NMEA0183 data loop. For example, if a
PB150 is connected to one port; do NOT output position information (GGA, GLL,
RMC...) to this port (the PB150 will try to use this position information instead of its
internal GPS and an alarm will result). Again, this can be avoided by only selecting the
minimum sentences required by the device connected to the port.
5.5. Powering Sequence
Power ON:
While the Power Synchronization should turn ON all the MFD at the same time, it is
recommended to power ON the system from the Master MFD.
If a regular Hub is used (without Power Synchronization), the MFD set as Master must
be the first one powered ON.
Power OFF:
The system can be turn off from any MFD. To properly shut down an MFD, you have to
release the Power Key just after the countdown reach 0. This will properly shut down
the MFD (and the network). If you Hold the Power Key for 5 seconds (and don’t release
just after the countdown), you “hard shut down” the MFD.
When you hard shut down an MFD, the Power Synchronization will not work on this
MFD until you shut it down properly. Understand that if you Hard Shut down the Master
then power ON the system by pressing the Power button on a slave, the Master will not
automatically power on, and every MFD slaves will display the “No Master Warning”.
6. Appendix
6.1. Example NN3D System Configurations
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