i have a point 1 at the rear over my transducer. I am thinking about adding another to the front, just for compass feature. Anybody had any trouble with their network with two point 1's installed?
I had two Point One antennas on a single NMEA 2000 system for a long time. I feel as though the Gen3 (or later which is the Carbon) is a bit more accurate. However the Point One is better when you need to reverse as the direction of your boat icon won't change (this is also known as "Heading Sensor"). I would be nice if there is a economical add-on to the head unit so that it would have heading sensor without the installation of the POINT One antenna.
If you are to install two Point One antennas on a single system (which is recommended, and make sure there is only ONE power supply to the NMEA 2000 network), Here are must do settings:
1) Name your antennas...ie. FRONT POINT1 & REAR POINT1
2) Go to Network, select "Data Source", select GPS, select the assigned POINT1 antenna to that HDS unit, change setting to "LOCAL", not GLOBAL.
3) Set Instance of both Heading Sensors to "1" (meaning within each settings of the POINT1 antenna)
Next, calibrate both antennas...
NOTE:...don't forget to update your POINT One antenna to the latest update from LOWRANCE website. While you are at it, don't forget to also update your HDS units to the latest software as well.
This should keep the assigned antenna to its respect HDS head unit, but make sure that the head unit are located in the same location everytime (assuming you have two of the same size HDS units for front and back. It is a recommended to rename your HDS unit to something with FRONT and REAR as well).
To check if your HDS is assigned to the correct Point One antenna, go back to "Network", "Data Source", GPS. Checking this info periodically is a good idea to have accurate GPS waypoints assign and go to!