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1 FCC Statement Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a normal installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guar
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4 Disclaimer As Northstar is continuously improving this product we retain the right to make changes to the product at any time which may not be reflected in this version of the manual. Please contact your nearest Northstar distributor if you require any further assistance. It is the owner’s sole responsibility to install and use the instrument and transducers in a manner that will not cause accidents, personal injury or property damage. The user of this product is solely responsible f
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Contents 1 FCC Statement 2 2 Industry Canada 2 3 Compliance Statement 2 4 Disclaimer 3 5 Warranty 3 6 Feedback from you 3 7 Preface 7 8 Introduction to the Northstar radar 9 9 Check the 25 kW radar parts 9 10 25 kW radar system overview 13 11 Install the radar 14 11.1 Choose the scanner location ...............................................................................................................................................14 11.1.1 Power boat installations...........
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11.2 How to find the optimum height for the scanner ........................................................................................................17 11.3 How to find the maximum detection range...................................................................................................................18 11.4 How to reduce false echoes and shadow zones ...........................................................................................................19 11.5 Install an o
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15 Maintenance 45 15.1 General maintenance.............................................................................................................................................................45 15.2 Scanner maintenance ............................................................................................................................................................45 15.3 Other maintenance items...................................................................................
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7 Preface This manual explains how to install the scanner and the radar processor. It also explains how to set up the radar system after installation and gives information on troubleshooting. This manual is supplementary to the Northstar 6000i/6100i Installation and Operation Manual and the Northstar 8000i System Installation documentation. This manual is written for professional marine technicians, installation technicians, and service technicians, and can be used for information by deal
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Only qualified personnel should install or service this equipment. Installation or servicing work that is done by non-qualified personnel can result in equipment breakdown, poor performance of the equipment, fire, electrical and physical hazards, injury or death. Wear safety equipment such as a hard hat and a safety belt at all times when installing or working on the scanner. The scanner is usually installed in an elevated position and serious injury or death can result if a person fall
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8 Introduction to the Northstar radar The Northstar radars are designed as an option available to the Northstar 6000i, 6100i, or 8000i systems. A variety of scanner models are available (2 kW, 4 kW, 6 kW, 10 kW and 25 kW) to suit different customer requirements. Each scanner model has a corresponding radar processor model. 9 Check the 25 kW radar parts The NS-RDR1257MO 25 kW radar system consists of a box containing the scanner, a box containing the open array, and a box containing the
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1 Installation LA000414A template MTZ303535 1 Mounting template ????? 1 Packing list ???? NS00310X interconnection cable - order separately Quantity Item Part name Part number 1 Interconnection NS003105 length cable 65.5 ft (20 m) OR NS003106 length 98.4 ft (30 m) NS004784R 25 kW radar processor standard components Quantity Item Part name Part number 1 25 kW radar NS004784 processor box 1 This manual MN000358A 1 Installation LA000276A template 1 Product CD00
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Spare 10 A fuse ????? (motor) 4 Mounting screw HR000061 NS004794R 25 kW open array standard components Quantity Item Part name Part number 1 25 kW open array NS004794 1 Assembly LA000277A instructions sheet 1 Packing list ???? 4 Brass washers ???? 4 Spring washers ??? 4 M10x35 bolts ??? NS00481X cable for 8000i installation only - order separately Quantity Item Part name Part no. 1 Network cable NS004810 length for 8000i 1.6 ft (0.5 m) installation NS00
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NS003107 cable for 6000i and 6100i installations only - supplied with 6000i and 6100i system Quantity Item Part name Part No 1 Radar NS003107 communications cable for 6000i and 6100i installations ONLY. NS003108 Optional extension cable for 6000i and 6100i installations only - order separately Quantity Item Part name Part no. 1 Radar NS003108 communications extension cable for 6000i and 6100i installation ONLY. Northstar 25 kW Radar Installation Manual 12
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10 25 kW radar system overview The radar system is intended for use in a marine environment. The 25 kW radar system consists of a scanner and an open array, connected to the 25 kW radar processor by a prefabricated interconnection cable which is available in two lengths (NS003105 or NS003106). where A is the radar processor, B is the vessel's power supply (24 V DC ONLY), and C is the Network Linker (NS004721). The 25 kW interconnection cable contains separate motor power wires
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11 Install the radar A radar unit should only be installed by a qualified marine technician, as potentially lethal high voltage is present along with heavy rotating parts. There is a transmit interlock that prevents radar transmissions if the scanner is not rotating. However, a high voltage remains for a period of time after the system is turned off. If you are not familiar with this type of electronics, consult with a trained service or installation technician before attempting to servic
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DON'T DO THIS! DON'T install the scanner too high up, where its weight will alter the stability of the vessel and cause degradation of the radar picture over short ranges (see "How to find the optimum height for the scanner"). DON'T install the scanner close to lamps or exhaust outlets. The heat emissions may cause the equipment to breakdown and soot and smoke will degrade the performance of the radar. DON'T install the scanner close to the antennas of other equipment such as direc
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11.1.1 Power boat installations Normally, you should install the scanner horizontally, to produce an equal sweep around the power boat: However, when the power boat is traveling at high speed, the bow rises up out of the water and if the elevation angle (trim) of the bow is raised up so that it equals, or exceeds, 50% of the vertical beam width of the radar, this can cause two problems: ahead of the power boat, the beam is projected too high to sweep the water surface effecti
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11.1.2 Yacht installations Normally you should install the scanner horizontally, to produce an equal sweep around the yacht. However, a yacht heels over to the lee side, and when the heel angle exceeds 50% of the vertical beam width of the radar, this can cause two problems: on the windward side of the yacht, the beam is projected too high to sweep the water surface effectively. Targets can be missed completely or appear at very poor resolution on the display unit. on the lee side
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An example of an A-B Line is shown in the picture. If you install the scanner below the A-B line, the scanner will be too low. It will be difficult to acquire distant targets and the superstructure will be more likely to impede the passage of the beam and generate false echoes. If the scanner is installed too high above the A-B line, the beam will miss close targets and increase sea clutter return. You can find the A-B line for any vessel as follows: 1. Using a drawing of the vessel,
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Calculations using the formula show that, at this distance, the radar can only detect objects that are more than 25 ft (7.6 m) high, which means that Island A is shown on the radar but Island B is not shown. Remember that: the maximum detection range of the radar is limited by the curvature of the Earth's surface under normal conditions of wave propagation. bad weather conditions can reduce the maximum detection range 11.4 How to reduce false echoes and shadow zones False echoes ca
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If the trestle height (A) is less than 2 m high, use the angle joint method as shown: If the trestle height (A) is more than 2 m high, install a radar mast secured with guy wires as shown: 11.6 25 kW radar dimensions The 25 kW radar has an open array with a rotation diameter of 89.4" (2270 mm). Ensure that the open array will be able to rotate freely and take this diameter into account when calculating the recommended distances from other equipment. Before starting the installati
