HDS built in unit on bow showing 47 degree water temp when it should be 80 degrees. New Minn Kota Fortrex 101 with US2 recently installed.
SOURCE: How does my Lowrance HDS-5
To connect a LRA 2400 to a Lowrance HDS-5 sounder/chartplotter, you can run an ethernet RJ45 cable from your Radar Processing box to the HDS-5 unit. You will need an adaptor cable for the RJ 45 cable to hook into the HDS-5 head unit. This is part no 000-0127-56.
As for the different transducer pinouts, I am not sure what transducer you have now so I cannot say if there is any kind of converter plug available, however, the HDS-5 units do seem to run best using the transducers that are made for them. Your best option may be to buy the transducer that is made for them, and this will directly connect to the display unit.
Hope that helps!
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I previously had a Minn Kota Fortrex 80 lb. trolling motor and the water temp read accuratly. After researching I believe I need to change the setting in the Lowrance HDS5 under INFO-Sonar-
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