Henry Boyd
Well-Known Member
- Apr 24, 2007
- 6,014
- Boat Info
- ‘09 Sabre 38 Hardtop Express “Serenity”
- Engines
- Volvo D6 w/IPS450 Pods
Subject line says it all. Its kind of crazy none of the other GPS related data is missing, like COG and position. The system is a pair of E120W mfds, AIS 650, RM autopilot, RM depth via DSM30, and HD radar. These are all connected via a SeaTalkNG network and patched to a NMEA2000 backbone for engine and tank data from the Volvo EVC. There is also a Garmin 7608 attached to the N2000 network just before we went into storage that has GPS, although it is used exclusively for engine data. In hindsight I should have checked the Garmin for speed info, but didn't.
Does anyone have an idea of what might be the issue? The e120s are set up as master and slave, so I presume the issue could be masked by the fact the slave is displaying data from the master.
More basically what is the source of SOG? Is it in the GPS, or a calculation in the MFD?
Could it be as simple as a software switch setting in the E120?
Thanks
H
Does anyone have an idea of what might be the issue? The e120s are set up as master and slave, so I presume the issue could be masked by the fact the slave is displaying data from the master.
More basically what is the source of SOG? Is it in the GPS, or a calculation in the MFD?
Could it be as simple as a software switch setting in the E120?
Thanks
H