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Garmin 276c and Raymarine 54
gorji	#1  Posted on 07/06/08 - 5:15 AM
Member Personal Page Posts: 31 Comments: 3 Joined: 05/06/05	Dear friends: I also have a Garmin 276c. I want to hook it up to my Raymarine 54 VHF radio (fixed mount). I have the connection dongle from my Raymarine which can connect to the Garmin. The Raymarine side has a yellow (+) and green wire (-) for connection to the Garmin. The Garmin end connects to the GPS' power inlet; other end is a bunch of colored wires: Ground, Alarm, data out 1, data out 2,data in 1, data 2 in, voice and power. Can I connect the data outs from the garmin to the VHF radio without doing any harm? I will cap the other wires (Garmin). I have selected the garmin COM1 and COM2 to NMEA IN/OUT. OR is the - wire on the Raymarine side for grounding and should be connected to the ground wire of the Garmin? The instruction manual for both units are not helpful. Sorry for being so verbose; I want to give a clear picture. I appreciate your help. Thank you
ioptfm	#2  Posted on 07/06/08 - 5:26 AM
Member Personal Page Posts: 1533 Comments: 3 Joined: 10/28/06	I'm just curious....................Why would you want to connect or interface the GPS and a VHF radio together? Edited by ioptfm on 07/06/08 - 5:30 AM Tom 1979 Sport 15'
gorji	#3  Posted on 07/06/08 - 6:15 AM
Member Personal Page Posts: 31 Comments: 3 Joined: 05/06/05	The VHF radio has a distress button. In case of an emergency, pressing the distress button will transmit the boats position.
ioptfm	#4  Posted on 07/06/08 - 9:36 AM
Member Personal Page Posts: 1533 Comments: 3 Joined: 10/28/06	I looked it up and that is a pretty neat feature that I had not heard of. I would think that the power for the 2 should be completely independant from each other and if you check the NEMA(data) inputs and outputs of each unit, they should be the in goes to the out and the out goes to the end. Possibly would like be color coded. The NEMA (data) out on the GPS should go to the NEMA(data) in on the GPS. Edited by ioptfm on 07/06/08 - 9:38 AM Tom 1979 Sport 15'
gorji	#5  Posted on 07/10/08 - 2:51 PM
Member Personal Page Posts: 31 Comments: 3 Joined: 05/06/05	Follow up to my post: I got to my boat during the week and here's how it works: GPS side Data 1out wire -----> + wire of Raymarine 54 GPS side Data 2 in wire -----> - wire of Raymarine 54 **You have to set the Garmin to put NMEA IN/Out on Port 1. Otherwise no data is outputed to the VHF. I used electrical tape on the other loose wire. The Raymarine 54 shows GPS data very soon and during the cruise you could tell the latitude longitude get updated every few seconds. Kind of gratifying to feel safer on the water; hopefully never have to push the Distress button on the VHF. Ofcourse this does not replace an EPIRB.