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Ok , so on this new build I will have an Ultrex that has the DI/SI transducer built in so I will need a Helix mega SI up front at the bow and at the console I will just need a Helix mega DI as all I ...

So why is there a Helix 12 mega DI display only and also a Helix 12 SI display only? Are they different units all together? Seems you would just plug whatever transducer you want in them or both...

It is a personal preference ..... Some don't want SI on the trolling motor. Many do want SI on the trolling motor. It is a personal choice dependent on how you fish.[/QUOTE]

But you can choose...

Appreciate the replies , I have been gone all week. I did check with who rigged it and they did not connect the front unit to NMEA2k network. I figured the data would pass over the ethernet...

Installed new hardware and had a place rig it up all nice and pretty. I have two hds live units one at the console and one at the bow. The point one antenna ended up in the back and I assume it is...

So do most people just use DI on this unit or why not just get the one with both ?

So how does the 360 transducer work and where should it be mounted? Can you network the displays and devices and pull data on either graph?

Setting up a sea ark aluminum boat and want to use hummingbird. Looks like the ultrex can be ordered with a hummingbird transducer. Would like to see the bottom and locate fish as good as possible. 9...

Ready to upgrade all my electronics and wondering about transducers and trolling motor. I have a gen2 and gen3 hds now and will replace with 12" Live units one at the bow and one at the helm. Not...