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Author Topic:   Humminbird Matrix 27 w/ Garmin 76C

JBG777 posted 04-28-2006 03:47 PM ET (US)
Is anyone running the Matrix 27 with Garmin 76C GPS. I'm having the hardest time getting the fish finder to recognize the gps for plotting. I know I should have went with a Lowrance Combo unit from the get go. LIVE AND LEARN!
Chuck Tribolet posted 04-28-2006 04:40 PM ET (US)
Humminbird doesn't seem to have the manual for their GPS
connection cables on their website. If you can post what
the wires are, I can walk you through hooking it up.
The wires will be labeled something like
NMEA OUT + (white(
Which Humminbird GPS connection cable do you have?
Chuck
Chuck Tribolet posted 04-28-2006 04:41 PM ET (US)
And some similar discussion in
http://continuouswave.com/ubb/Forum3/HTML/007496.html
Chuck
bspencer posted 04-28-2006 04:56 PM ET (US)
I'm not running the same system, but in connecting my Garmin GPSMAP 76 to my Standard Horizon VHF I had what may have been a similar problem. Garmin units are set by default to use their proprietary communication method. I had to manually change the setting to use NMEA Output. I won't tell you how long it took me to figure this out.
Brent
JBG777 posted 04-29-2006 08:43 AM ET (US)
I'm pretty sure I have all the right wires and the connections are correct. I have the proper Humminbird/garmin cable and y-adapter installed.
I just can't seem to get them recognize each other. Any useful tips would be greatly appreciated.
Chuck Tribolet posted 04-29-2006 11:27 AM ET (US)
The manufacturers have made NMEA interconnection WAAAY more
complicated than it has to be. Different terminology,
different color codes, and two different but compatible
electrical interfaces. So don't immediately assume you have
it right. It took me a half day to get my first one working,
and I have a masters degree in electical engineering.
I tracked down some info what I think is your cable.
The connections would be:
GPS Serial Data Out (Brown) to FF NMEA IN (Green)
GPS ground (Black) to FF ground (Black)
GPS Serial Data In (White) to FF NMEA Out (White)
The last connection is optional, but will cause the GPS to
record depth with a waypoint. And I'm not 100% sure the
FF white wire is NMEA Out (I had to infer that from what
I found)
Now you need to setup the GPS:
Go to the Setup Menu, Select Interface
Set the Serial Interface to NMEA In, NMEA Out, 4800 baud
And now setup the fishfinder:
OH. The Matrix 27 is a fishfinder only. It is not a chart
ploter. !!!!

Chuck

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Author	Topic: Humminbird Matrix 27 w/ Garmin 76C
JBG777	posted 04-28-2006 03:47 PM ET (US) Is anyone running the Matrix 27 with Garmin 76C GPS. I'm having the hardest time getting the fish finder to recognize the gps for plotting. I know I should have went with a Lowrance Combo unit from the get go. LIVE AND LEARN!
Chuck Tribolet	posted 04-28-2006 04:40 PM ET (US) Humminbird doesn't seem to have the manual for their GPS connection cables on their website. If you can post what the wires are, I can walk you through hooking it up. The wires will be labeled something like NMEA OUT + (white( Which Humminbird GPS connection cable do you have? Chuck
Chuck Tribolet	posted 04-28-2006 04:41 PM ET (US) And some similar discussion in http://continuouswave.com/ubb/Forum3/HTML/007496.html Chuck
bspencer	posted 04-28-2006 04:56 PM ET (US) I'm not running the same system, but in connecting my Garmin GPSMAP 76 to my Standard Horizon VHF I had what may have been a similar problem. Garmin units are set by default to use their proprietary communication method. I had to manually change the setting to use NMEA Output. I won't tell you how long it took me to figure this out. Brent
JBG777	posted 04-29-2006 08:43 AM ET (US) I'm pretty sure I have all the right wires and the connections are correct. I have the proper Humminbird/garmin cable and y-adapter installed. I just can't seem to get them recognize each other. Any useful tips would be greatly appreciated.
Chuck Tribolet	posted 04-29-2006 11:27 AM ET (US) The manufacturers have made NMEA interconnection WAAAY more complicated than it has to be. Different terminology, different color codes, and two different but compatible electrical interfaces. So don't immediately assume you have it right. It took me a half day to get my first one working, and I have a masters degree in electical engineering. I tracked down some info what I think is your cable. The connections would be: GPS Serial Data Out (Brown) to FF NMEA IN (Green) GPS ground (Black) to FF ground (Black) GPS Serial Data In (White) to FF NMEA Out (White) The last connection is optional, but will cause the GPS to record depth with a waypoint. And I'm not 100% sure the FF white wire is NMEA Out (I had to infer that from what I found) Now you need to setup the GPS: Go to the Setup Menu, Select Interface Set the Serial Interface to NMEA In, NMEA Out, 4800 baud And now setup the fishfinder: OH. The Matrix 27 is a fishfinder only. It is not a chart ploter. !!!! Chuck