Join Date: Aug 2007
Location: Fort Erie
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Rep Power: 10
Looking at an old Installation instruction sheet for my SR Mariner Knotmeter.
The black from the transmitter is hooked to the common screw which is in the center, on the diagram it shows lower than the others.
The diagram shows five screws, from left to right, the light switch, the common for the black, the transmitter, then two screws for the expanded scale. Mine was set up with a jumper wire, I added a switch so I could use both scales. Somehow four knots seems faster on the expanded scale.
I stopped into SR Mariner last summer when I couldn't get the expanded scale to work. It was a broken solder connection.
It was fixed, cleaned and calibrated all in about 15 minutes