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First the good news
Cracked it The so called NEMA output from a Raymarine Multi should be floating, but the positive terminal is at 12v; something to do with being able to use the NMEA out terminals for an alarm. This as it were "shorts out" the RS232 on the laptop Now the bad news You need a RayMarine PC/SeaTalk.NMEA Interface (E85001). Cost about £100. Yet another RayMarine Con, but it solved the problem Phil "Arnold" wrote in message oups.com... hey Phil, the data you gave me is valueble, but I am missing one very important thing (what the problem might be). what is the voltage of your powersupply? (test by voltage meter, and the reading of the St60 multi), if that lies arround the 11 volts (or 11.9 as in the data you wrote), it might be to low, and the batteries sort of dead. A 12V powersupply should be somewhere arround 13.x V when charged. I have 4x 105ah 12v battieries installed, and when my voltage drops below 12.5 volt, I desperatley need charging. if this is the case, try linking the instruments on a other battery (just for the test, don't make it expensive, use a spare one or something), and hook up your laptop to that thing too. If my thoughts are correct, this should work. (a lack of power supply affects your data, so when an other device is linked, the voltage drops a bit further and the data is crippled/not send) an other problem could be te capasity of the powersupply, if this is to little, the voltage drops even further. as for my own problem, it is still at the same point, wich is: "theoreticly solved". I'll need to find time, somewhere in the next 1.5 week. succes to you, Arnold PS: where are you from?, I am from the netherlands. |
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