User manual NORTHSTAR EXPLORER 567

[. . . ] Explorer 557/567 Chartplotter Installation and Operation Manual www. northstarnav. com IMPORTANT SAFETY INFORMATION Please read carefully before installation and use. DANGER !It is used to alert you to potential personal injury hazards, Obey all safety messages that follow this symbol to avoid possible injury or death. WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury CAUTION indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not avoided, may result in property damage. [. . . ] You must make a fuel consumption curve before you can use it (see section 10-6-1). On the Fuel window, press , select Fuel consumption curve and select the name of the curve to use. On the fuel window, press if necessary to select Fuel curve and display the fuel consumption curve. On a multi engine boat, keep the RPM of all engines similar while using a curve. The shape of the curve depends on the type of speed sensor you selected when making the curve (see sections 10-5-1 and 10-5). Compare your boat's performance now, at the current RPMs, with the boat's performance when you made the curve. You can compare your boat's performance now with a curve made under ideal conditions or with a curve made under similar conditions. Red curve: boat speeds at different RPMs recorded when you made this fuel consumption curve. This marker is below the red curve, showing that the boat speed now at this RPM is less than when you recorded the curve. 3 1 2 Selecting a curve C 3 Note a b D Blue curve: fuel consumption at different RPMs recorded when you made this fuel consumption curve. This marker is below the blue curve, showing that the fuel consumption now at this RPM is better than when you recorded the curve. If the blue curve has a dip, then running the boat at this RPM will give the best speed for the least fuel consumption. F 38 Northstar Explorer 557/567 Installation and Operation Manual 10-7 Calibration Calibrate petrol/gasoline fuel flow sensors during installation, or if the fuel readings seem inaccurate and the other troubleshooting suggestions do not help (see appendix B troubleshooting). Note SmartCraftTM fuel sensors are factory calibrated and should never need recalibrating. This can be done at the same time with a portable tank for each engine or at different times using one portable tank. Calibrating a sensor requires accurate measurement of the fuel consumption. At least 4 gallons (15 litres) of fuel should be used to ensure an accurate calibration. It is often very difficult to fill underfloor tanks to the same level twice due to air pockets, so the more fuel used, the more accurate the calibration. To calibrate the sensor(s): 1 2 3 Record the level of the fuel in the tank(s). Connect the portable tank(s) to the engine through the fuel sensor(s). Run the engine at normal cruising speed until at least 4 gallons (15 litres) of fuel has been used per engine. Check the actual amount of fuel used per engine by refilling the portable tank(s) to the original level and noting the reading(s) of the fuel dispenser's gauge. On a single engine boat, select Calibrate and change the displayed value to be equal to the reading of the fuel dispenser's gauge, then press . Select Calibrate and change the displayed value to be equal to the reading of the fuel dispenser's gauge, then press . Repeat for the other engines. 4 5 6 Northstar Explorer 557/567 Installation and Operation Manual 39 11 Tides window The tides window is available on C-MAP charts. [. . . ] NavBus - A way of connecting Northstar instruments together to share data (see section 16-8). NMEA 0183 - A standard for interfacing marine electronic devices (see section 16-10). Route - Two or more waypoints linked in sequence to form a course for the boat (see section 6). SmartCraft - A feature of Mercury Marine engines for monitoring engine performance. [. . . ]