Debbie put the new RJ45 connector on the end of the cable going to the Garmin GPSMAP 740 chartplotter and then we connected the other end of the cable to the joiner to a fully connected Garmin GMR 18 HD Radar dome. The power has been wired to the blade fuse block and we were ready to try the radar out.
Debbie turned on the chart plotter and we checked the NMEA 2000 Network but did not see the radar. Hmmmm bummer! We took the connections apart and tried it again and no go. OK started thinking and how to trouble shoot this? We cannot move the chart plotter to the original cable connection because of the power cable being snaked through the binnacle guard. Hmm. Oh wait, the Garmin GMR 18 HD Radar connects directly to the chart plotter. This means there is nothing to see on the network for this device because it is not connected to the network!
We try it again and this time to the radar on the chart plotter and there it is. The radar is on standby. We touch the button to spin the radar up and it comes alive!
We do not know how to use it or clear the screen of the engine information that we do not have or will have connected but it is working. All the rest will come by reading the manual.
Ya!
Like they say "If it ain't broke, I haven't played with it" :)
Note:
The Garmin GMR 18 HD Radar will not overlay at the same direction as the chart plotter. It my be off and could be off quite a bit. Say you are sitting in a slip like we are and there is Point Loma behind you as is with us. We are stern to in a windward slip. The radar may show the point in front of you or off to the side. What needs to be purchased is a "Heading Sensor" to fix this. They can be pricey. We did find some less expensive ones like the "KVH Azimuth 1000 Fluxgate Compass." In researching this I called Garmin support at U.S. toll-free: 1-800-800-1020 because I read that if you have an autopilot you may not need a heading sensor. That is correct, because we are installing a Garmin auto pilot we can get the data needed to have the radar overlay accurate on the chart plotter.
Now we have working:Like they say "If it ain't broke, I haven't played with it" :)
Note:
The Garmin GMR 18 HD Radar will not overlay at the same direction as the chart plotter. It my be off and could be off quite a bit. Say you are sitting in a slip like we are and there is Point Loma behind you as is with us. We are stern to in a windward slip. The radar may show the point in front of you or off to the side. What needs to be purchased is a "Heading Sensor" to fix this. They can be pricey. We did find some less expensive ones like the "KVH Azimuth 1000 Fluxgate Compass." In researching this I called Garmin support at U.S. toll-free: 1-800-800-1020 because I read that if you have an autopilot you may not need a heading sensor. That is correct, because we are installing a Garmin auto pilot we can get the data needed to have the radar overlay accurate on the chart plotter.
Radar
Chart plotter
GMI 10
Wind etc
Next we will start on the autopilot.
We still need to purchase the depth sensor.
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