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Фрагмент инструкции
Important The choice, location, angle and installation Sonar fishfinder: The accuracy of the sonar of the instrument & transducers are critical to depth display can be limited by many factors, performance of the system as intended. Follow including the type of the transducers, the location instructions in this manual carefully. If in doubt, of the transducers and water conditions. It is the consult your Northstar dealer. user’s responsibility to ensure the 657 transducers are installed and used correctly. Ensure that any holes cut are in a safe position and will not weaken the boat’s structure. If in doubt, AIS: The AIS features on this chart-plotter are consult a qualified boat builder. designed as a safety aid only and do not guarantee Do not install plastic through hull transducers in safety at sea. AIS transmission is mandatory on solid wooden hulls. Leaking through the hull may some, but not all, vessels. You should check your result. local laws and regulations for requirements in your area. As a result of different legal requirements, Do not install bronze transducers in metal hulls. different vessel sizes and uses, you should not This will cause electrolytic corrosion that may assume that your AIS equipped chart-plotter will result in damage to the hull or transducer. show the location of ALL vessels in your area. Sonar Performance: The accuracy of the sonar Careful prudence, judgement, and safe navigation depth display can be affected by many factors, practices should always be exercised. AIS should including the type and location of the transducer be used to complement radar, but AIS is not a and water conditions. Ensure that the transducer is substitute for radar. located and used correctly. Fuel Computer: Fuel economy can alter Global Positioning System: The Global drastically depending on the boat loading and sea Positioning System (GPS) is operated by the conditions. The fuel computer should not be the US Government which is solely responsible for sole source of information concerning available its operation, accuracy and maintenance. The fuel onboard and the electronic information GPS system is subject to changes which could should be supplemented by visual or other checks affect the accuracy and performance of all GPS of the fuel load. This is necessary due to possible equipment anywhere in the world including operator induced errors such as forgetting to the 657. Whilst the Northstar 657 is a precision reset the fuel used when filling the tank, running navigation instrument, it can be misused or the engine with the fuel computer not switched misinterpreted, which can result in its use on or other operator controlled actions that may being unsafe. To reduce the risk of misusing or render the device inaccurate. Always ensure that misinterpreting the 657, the user must read and adequate fuel is carried onboard for the intended understand all aspects of this Installation and trip plus a reserve to allow for unforeseen Operation manual. We also suggest that the user circumstances. practice all operations using the built in simulator Failure to adhere to these warnings may before using the 657 at sea. lead to death, serious injury or property Electronic Chart: The electronic chart used by damage. Northstar disclaims all liability for the 657 is an aid to navigation and is designed to installation or use of this product that causes supplement the use of official government charts or contributes to death, injury or property not replace them. Only official government charts damage or that violates any law. supplemented by notices to mariners contain The 657 is set up with default units of feet, °F the information required for safe and prudent (Fahrenheit), US gallons and knots. To change the navigation. Always supplement the information units, see section 17-10. provided by the 657 with other plotting sources such as observations, depth soundings, radar and hand compass bearings. Should the information not agree then the discrepancy must be resolved before proceeding any further. Northstar Explorer 657 Installation and Operation Manual Contents 1 Introduction ......................................................................................................................................... 7 1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 1-2 Cleaning and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 1-3 Plug-in cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 1-4 Removing and replacing the display unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 Basic Operation .....................................................................................................................