GP1670F_1870F Operator's Manual - Furuno USA

13. INSTALLATIONGPS antenna unit (option)Connect the antenna cable to the GPS connector.How to attach the M-P-8DFB connectorOuter sheath Dimensions in millimeters.Armor Inner sheath Shield50 30Remove outer sheath and armor by the dimensions shown left.Expose inner sheath and shield by the dimensions shown left.Cover with heat-shrink tubing and heat.Cut off insulator and conductor by 10mm.30 10Twist shield end.Ship on clamp nut, gasket and clamp as shown left.Clamp nutGasket(reddishbrown)ClampAluminum foilFold back shield over clamp and trim.Trim shield here.InsulatorCut aluminum foil at four places, 90º from one another.Trim aluminum tape foil here.Fold back aluminum foil onto shield and trim.1Expose the insulator by 1 mm.5Expose the core by 5 mm.Clamp nutPinShellSlip the pin onto the conductor. Solder them together throughthe hole on the pin.Solder through the hole.Insert the pin into the shell. Screw the clamp nut into the shell.(Tighten by turning the clamp nut. Do not tighten by turningthe shell.)How to waterproof the connectorWrap the connector with vulcanizingtape and then vinyl tape.Bind the tape ends with cableties.13-16