User manual NORTHSTAR ETHERNET RADAR Install Guide

[. . . ] A Northstar 30 Sudbury Road Acton, Massachusetts 01720 a unit of Brunswick New Technologies Marine Electronics www. NorthstarNav. com Service: 978/897-6600 Sales: 800/628-4487 Contents SECTION ONE: Introducing the Northstar radar SECTION TWO: Installing and wiring the radar ------------------- 1 -------------------- 3 3 4 8 9 System diagram - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Installing the radar antenna - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Installing the control box - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Wiring the radar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - SECTION THREE: Setting up the radar - - - - - - - - - - - - - - - - - - - - - - - - - - - 17 Calibrating the radar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 18 SECTION FIVE: Using manual control functions - - - - - - - - - - - - - - - - - - - 23 Gain and clutter adjustments - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 23 Other functions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 24 SECTION SIX: Servicing the radar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 25 Contacting Northstar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 25 Hearing from you - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 26 Returning a radar for service - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 26 APPENDIX A: Specifications and Drawings - - - - - - - - - - - - - - - - - - - - - - - 27 APPENDIX B: Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 31 SECTION ONE: Introducing the Northstar radar WARNING! Always stay away from any type of radar antenna to avoid exposure to radiation!Before starting antenna operation, always move all personnel away from the antenna to prevent accidents. It is highly recommended that an open array antenna be installed as high as possible (such as on the fly bridge, radar mast, etc. ) so that no person can ever be near enough to sustain injury. The Northstar Ethernet Radar is designed as an option available for the Northstar 972 navigator. A radar unit should only be installed by a qualified marine technician, as potentially lethal high voltage is present, along with heavy rotating parts. [. . . ] If a heading sensor is not correctly interfaced, the system will continuously alarm "No Heading Data. " Calibrating the radar A newly installed radar must be calibrated by adjusting the trigger delay, heading calibration, and the presets. Calibration and check-out should be performed in a normal operating environment and under fair weather conditions. A wave height of approximately one to two feet, causing some sea clutter, is ideal. The vessel must not be in an enclosed area or in a busy location such as a boat yard. Ideally, an area of at least 3nm forward of the vessel, containing known targets including the coastline, should be available for evaluation of close and medium range radar returns. Attempts to tune and calibrate under less than recommended conditions may lead to substandard performance. A sea trial that allows the selection and use of all ranges is highly desirable. The Northstar radar uses a fully automatic tuning procedure that continuously checks for optimum adjustment during operation. Northstar recommends using auto tuning mode for normal operation. Preparing for calibration To prepare for calibration, do the following: 1. Press Transmit to turn the radar on. Page 18 Ethernet Radar Installation Manual, Rev. A SECTION THREE: Setting up the radar At this point, you should see range rings displayed on the screen. You'll next see the transmitter warm-up message. " If no messages or range rings appear, then the radar control box is not powered or is not properly interfaced to the navigator. Check power wiring, interface wiring, and navigator configuration as described above. to access the setup functions. Setting the Trigger Delay Trigger delay compensates for cable transmission delays which vary depending on cables lengths and other factors in each particular installation. An incorrect setting causes a doughnut-shaped ring in the center of the screen. Trigger delay can be roughly set by reducing the dark hole in the center until it just disappears. The vessel should be located 50 to 100 yards from a straight jetty or other landmark that should produce a straight-line echo on the screen. Adjust the Trigger Delay to make the jetty echo appear as a straight line on the screen as shown in Figure 16. Jetty Vessel Incorrect Incorrect Correct Figure 16: Adjusting Trigger Delay Radar tuning Tuning makes the radar receiver frequency match the transmitter frequency. After the initial setup, the radar's tuning is maintained automatically. Ethernet Radar Installation Manual, Rev. A Page 19 SECTION THREE: Setting up the radar Set the tuning preset value as follows: 1. Starting with a reasonably good radar image, adjust the tuning preset downwards until the image begins to deteriorate. Adjust the tuning preset up, past the point where the image looks good, until the image starts to deteriorate. [. . . ] range of scale in use Better than 1° R4KE35-A North-, Leg-, Course-, and Heading-up overlay 48 Better than 8m or 0. 9% of max. range of scale in use Better than 1° R6KE45-A North-, Leg-, Course-, and Heading-up overlay 64 Better than 8m or 0. 9% of max. range of scale in use Better than 1° R12KE65-A North-, Leg-, Course-, and Heading-up overlay 72 Better than 8m or 0. 9% of max. range of scale in use Better than 1° R25KE65-A North-, Leg-, Course-, and Heading-up overlay 96 Better than 8m or 0. 9% of max. [. . . ]