I installed the display and transducer a few weekends ago, i have not had much chance to use it due to having to do a full refit on a 63 Merritt and have it ready before christmas for the owner - lots of weekends working.....
That being said, once i have my settings dialed in im usually the kind of guy to “set it and forget it”. Most of the time, i will either be on a chart/sonar combo, or just a chart or just a sonar page. I dont have radar, or any other network devices to slow it down and i dont have a NMEA backbone either to support Canbus data. It is purely just for chart and sonar so even if it happens to be a little laggy, it is not going to be enough to worry me, besides, not like i need all the gear for my weekend cruise to the sandbar or to take the kids out for a little fishing.
i have never actually played with the 94sv - but just a quick review after looking at the website and compared to the 840xs for reference:
The GPS signal refresh rates - 10x per second for 840xs vs 5x per second for 94sv, so GPS is not as accurate
94sv has a slightly wider display and is almost an inch shallower if depth was an issue when mounting?
No radar support for the 94sv
And the biggest difference for me, is that the 94sv only has a 500w built in sounder vs the 840xs which will support a 1Kw transducer. The more power, the deeper you can see ( also depends on the transducer combo ). Keep an eye on the deadrise for the P319, i believe it is up to 7’ and you need at least double that... my experience with plastic transducers is that if you hit something submerged they usually crack or break off leaving a 2.5” hole through your boat...
If you are thinking about going with the 94sv, look at the Airmar B619 (20’tilt) for a traditional or possibly a airmar B150M (20’ tilt) for chirp as a relatively inexpensive option.
Having installed many transducers, my only other advice would be is to try and stay away from the transom mount transducers, i have nothing against them, but for me, i feel like even when installed properly, they kick up a lot of spray when planing, usually dousing the motor in buckets of salt water.
P.s. if i could really afford it, a 7612xsv would fit nicely on my dash with minor modifications... who needs a tach anyways...
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