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I had promised some pics when this install was complete, finally got around to collecting them. FWIW, I have a call set up with Lowrance Support; as nobody can solve my lack of available Water...

Mercury Gateway Module is older tech...Get the VesselView Link, this is all you need to get your engine data onto your Lowrance, you do not need both.
You can have the VesselView Mobile and...

The 4stroke 200 is a V6, 3.4l displacement, dry weight = 475lbs
The 4Stroke 200 Pro XS is a V8, 4.6l, dry weight = 511lbs
Both seem to have 1.85:1 gear ratio.
Motor Mounts may be a bit stiffer on...

Post your S/N and what hub you are using, that may help w/ diagnosing

Provides the power to a Mercury Branded VesselView display (503, 703, 903). In your application, you leave it capped. Just installed one of these, super easy, one to the J-Box, one to the NEMA2K...

Merc 150 4s has a computer start algorithm. Controlled by the ECU. Not sure all the specific details, or the crank time, but generally when you turn the key to start, the ECU takes over and begins...

I think the whole NEMA2K network is rated for 3A...most NEMA2K devices are 150-300mA max (if they draw power from the network, most displays do not). Would think a 5A fuse would be enough, to...

Been using SS3D on Carbon since I bought my Carbons in March of 2018. Still the best sidescan you can get...way better than a 3 in 1.

FWIW, My Carbon's show a 0.3-0.4V drop from my battery voltage to their power supply voltage. I attribute most of this to the wiring between the two,; but am satisified that it is minimized.
If you...

Makes total sense, I live in the electroncis/IT industry, so pretty familiar w/ debug strategies....

Don, thanks for the reply.
I will refer to it as the "Mercury Panel" from now on -- struggled trying to come up w/ a way to refer to it.

I definitely did make an instruments screen, like lpugh...

1) Actually do the registration

OR

2) After a few power ons a box is available to not show again.

Update:

Finally quit raining and I put the muffs on and started the engine.

Water pressure is available as a data source from the VVL gateway, and at idle w/ the muffs on was 3.5-4PSI. So this...

Yea, going to try that or maybe open a case w/ Lowrance.

That may end up being the route I go..maybe it’s a software error that Merc left it out of their app?

We covered that earlier on this thread (post 15), but it was a while ago…Cabelas

Sorry, I updated above, that’s what I’m on…

Said it before, but will again, I am doing all this with the engine not running. Because I haven’t put the boat in the water yet, and it won’t quit...

Lowrance all on 23.3-67.3.33 (latest from Lowrance.com)
VVL on 20.2.3-64.3.127 (latest from Merc.com)

These symptoms I’m describing appear on all three graphs. And last evening I just tried it...

Thanks Team C.

One note, not all engines support it, most newer stuff requires a Block Water Pressure sender be installed on the engine. Part is around $90 US.

The optimax’s came standard...

Hey all,

Have a thread going in Merc 4 Stroke Forum, but I’m beginning to think my issue is really more on the Lowrance side than the Merc One.

Here is the link to post 23 where my woes are...

Did the factory defaults on the VVL per post 28, and redid setup wizard, no change.

Yes, all of my HDS units have Helm 1, which I would expect, I only have one helm.
Each has a unique "Device ID" which is different and separate from the "Helm ID" and the instructions imply that...

Isn't ^^^^ what I showed, or are you refering to something else?

Is what I showed in the 2nd-4th screen shot I shared above what you are referring to? I read that section and that is what I was attempting to do...perhaps I didn't do correctly? Please advise.

...

I think so, here is a screen shot:
548152

But, I'm not given a choice of the Water Pressure when the in the Mercury Screen. Here is the sequence I used to try to add it:
Started at this screen:...