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Author Topic:   Multi-purpose Display
mrtoyz posted 06-06-2010 12:30 PM ET (US)   Profile for mrtoyz   Send Email to mrtoyz  
Looking for recommendations for [a multi-purpose display] to replace all of the gauges and instruments on my center console. Seems to me that a flush mount screen mounted in the normal gauge postion would be really trick and save me some space on my console. Off the top of my head I'd like to monitor [boat] speed, engine RPM, [engine] tilt, fuel [tank level] for a Mercury 75 two-cycle motor, and I want to plan for an E-TEC 75 when the Mercury dies. I'd also like a fish finder and depth gauge.
jimh posted 06-06-2010 02:50 PM ET (US)     Profile for jimh  Send Email to jimh     
You are out of luck with a Mercury two-cycle engine. If it is not too old you might be able to invest in a Smartcraft gauge. But linking engine data to a multi-function display will be a problem. Mercury does not have native NMEA-2000 networking. You will have to get specialized instrumentation and gateway devices--too much expense if you are planing to upgrade the motor. If your current engine is not Smartcraft, it would cost a fortune in sensors to make it work with a modern NMEA-2000 multi-function display.

Read about NMEA-2000 to learn about modern vessel instrumentation. Just about every modern multi-function display supports NMEA-2000 data.

mrtoyz posted 06-19-2010 11:46 PM ET (US)     Profile for mrtoyz  Send Email to mrtoyz     
[Is a] 1996 [Mercury] 75 two-cycle too old [to have the Mercury SmartCraft featured needed to be able to use a multifunction NMEA-2000 display via a SmartCraft to NMEA-2000 gateway]?
jimh posted 06-20-2010 07:28 AM ET (US)     Profile for jimh  Send Email to jimh     
Mercury engines which are equipped with SmartCraft usually have a decal or emblem on their cowling denoting it.
tmann45 posted 06-20-2010 09:30 AM ET (US)     Profile for tmann45  Send Email to tmann45     
[Is a] 1996 [Mercury] 75 two-cycle too old...

jimh posted 06-20-2010 04:36 PM ET (US)     Profile for jimh  Send Email to jimh     
I think tmann45 means the 1996 Mercury Two-cycle75-HP engine is too old to have Mercury SmartCraft built into it. No engine is really "too old" to be adapted to digital instrumentation, NMEA-2000, and a multi-function display, but the cost would be prohibitive. You would have to by a NMEA-2000 sensor for each function you wanted to monitor. The cost of the sensors would probably be around $150-each on average. To monitor four functions would cost $600 in sensors. You'd need a display device. You can figure a minimum of $400 for a GARMIN GM!-10 display, and you can go much higher, into $2,500 displays. You'd also need to install all the NMEA-2000 networking. Personally, I would not even consider it, and especially because you have already mentioned that you plan to get rid of the Mercury engine.

Again, I recommend you study a bit on the concept of NMEA-2000 vessel networking, and look into what multi-function displays support NMEA-2000--almost all do now. As long as you buy a new engine that is not Mercury, you should get NMEA-2000 support built into the engine at no added cost.

mrtoyz posted 06-23-2010 01:31 AM ET (US)     Profile for mrtoyz  Send Email to mrtoyz     
Ok guys thank you, Smartcraft is out. Many thanks.


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