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AMERICAS EUROPE
30 Sudbury Road, Unit 2, Ocean Quay,
Acton, MA 01720, USA Belvidere Rd, Southampton,
Ph: +1 978.897.6600 SO14 5QY, ENGLAND
Ph: +1 800.628.4487 Ph: +44 2380 339922
Fax: +1 978.897.7241 Fax: +44 2380 330345
sales@bntmarine.com northstaruk@northstarnav.com
AUSTRALIA NEW ZEALAND
PO Box 479, PO Box 68 155,
Gladesville, NSW 2111, Newton, Auckland
AUSTRALIA Auckland, NEW ZEALAND
Ph: +61 2 9879 9060 Ph: +64 9 481 0500
Fax: +61 2 9879 9009 Fax: +64 9 481 0590
northstaraus@northstarnav.c
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Contents 1 Introduction ............................................................................................................................................................................. 5 1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1-2 Cleaning and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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10 Sonar fishfinding: Windows ................................................................................................................................................... 42 10-1 Sonar history window - no split . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 10-2 Sonar Zoom and Full Screen Zoom displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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19 Setting up the M121/M84 ....................................................................................................................................................... 70 19-1 Setup > System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 19-2 Setup > Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Warning It is your sole responsibility to install and use the instrument and transducer(s) in a manner that will not cause accidents, personal injury or property damage. Always observe safe boating practices. The choice, location, and installation of transducers and other components of the system are critical to the performance of the system as intended. If in doubt, consult your Northstar dealer. To reduce the risk of misusing or misinterpreting this instrument, you must read and understand
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1 Introduction Quick reference to the built-in and optional features: Feature Type See Requires General How to use the keys and windows 2 Troubleshooting Appendix B Simulate mode 2-6 Glossary of special names Appendix C Specifications Appendix A MOB Man overboard key 2-4 Navigation Overview of how to navigate 3-1 GPS fix Finding the boat’s position on the chart 3-2 Navigate to any point or to a waypoint 3-1 Navigate along a route 3-1 Projected course: An estimate of progress 3-4 Tracks: records
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Radar Overview of the radar 18 Radar The radar window explained 18-1 Radar Change the radar operation mode 18-2 Radar Change the radar rotation or motion mode 18-6, 18-7 Radar Optimize the quality of the radar window 18-9 Radar Find range and bearing with VRM/EBL 18-10 Radar Set up the radar guard zones 18-12 Radar 1-1 Overview The M121/M84 can send data to other The Northstar M121/M84 is a rugged, highly instruments, such as an autopilot, and integrated marine chartplotter and fishfinder.
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1-3 Plug-in cards The M121/M84 can use two kinds of C-MAP™ SD-Card plug-in cards: CAUTION 1. Chart cards have chart details required for Handle plug-in cards carefully. Keep them navigating in a particular region. When in their protective cases when not plugged you insert a chart card, the extra details into the M121/M84. automatically appear on the Chart window. Keep the M121/M84 card cover closed at all You can plug in up to two chart cards times to prevent moisture from entering the
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1-4 Removing and replacing the display unit If the M121/M84 is bracket mounted then it can Replacing the display unit easily be removed for security. 1 Plug the connectors into the back of the Removing the display unit: display unit: 1 Turn the M121/M84 off (see section 2-2) and Match the connector’s color to the socket put the dust cover on. color. 2 Loosen the knobs on the mounting bracket Insert each connector and turn the and lift the unit off the bracket. locking collar clockwise unt
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2 Basic Operation Overview of the M121 keys ESC q – Go back to an earlier menu or window. In chart mode centers chart at boat’s position. DISPLAY w – This is a powerful key that allows you to setup the display the way you want. Main displays can be saved as favorite displays for easy access from the key. MENU e – Show a menu of the options for the current active window. ENTER r – Start an action or accept a change. t / – Changes the range on a window eg. Chart or Sonar zooms y , , ,
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Overview of the M84 keys ESC q – Go back to an earlier menu or window. In chart mode centers chart at boat’s position. DISPLAY w – This is a powerful key that allows you to setup the display the way you want. Main displays can be saved as favorite displays for easy access from the key. MENU e – Show a menu of the options for the current active window. The setup menu can be MENU opened by pressing twice. ENTER r – Start an action or accept a change. t / – Changes the range on a windo
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2-1 Using the keys In this manual: Changing data Press means to push the key for less than a First press or to move the highlight to the second. data to change, then: Hold means to hold the key down. a) To change a tick box The internal beeper beeps when a key is means On or Yes pressed (to adjust the beep volume, see section means Off or No. 19-1). ENTER Press or to change the tick box. Using the menus b) To select an option Operate the Instrument by selecting items from ENTE
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2-2 Turning on and off / auto power Turning on manually Auto power If the Instrument is not wired for auto power, If the Instrument is wired for auto power (see press to turn the unit on. If necessary, adjust section 20-4), then: the display to be easy to read (see section 2-3). • The Instrument automatically turns on when you turn the boat’s ignition switch on. • You can not turn the Instrument off while ! WARNING the ignition switch is on. If the Instrument is not wired for auto power •
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2-4 Man overboard (MOB) The MOB feature saves the boat’s position and If the NMEA output (autopilot) is on, the then navigates back to this point. Instrument asks if the autopilot is active. Select: No: Use the Instrument to manually navigate ! WARNING to the destination MOB waypoint (see MOB will not work if the Instrument does sections 3-1-1 and 3-1-2). not have a GPS fix. Yes: The Instrument asks if the boat is to go to the MOB waypoint. 1 Press Select: The Instrument stores the
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2-6 Simulate mode In Simulate mode, the Instrument ignores data To start and stop Simulate mode, and for more from the GPS antenna and other transducers information, see section 19-16. In simulate and sensors and the Instrument generates this mode, Simulate or Demo flashes at the bottom data itself. Otherwise, the Instrument functions of the window. normally. There are two simulate modes: ! WARNING • Normal: Allows a user to become familiar Never have Simulate mode on when using with the I
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DISPLAY To show one of the other windows full-screen, press , select More... and select the window. ESC Press to return from one of these windows to the previous window. Northstar M121/M84 Installation and Operation Manual 15
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ENTER 2-7-1 Multi window displays 3 Press . The M121/M84 can show up to four windows Deleting a window from the display at once, for example Chart, Sonar, Gauges and 1 Press until the window you want to Video: delete has a red border. DISPLAY 2 Press and select Delete window. Exchanging two windows on the display 1 Press until the first window has a red border. DISPLAY 2 Press , select Replace and select the second window. The M121/M84 exchanges the two windows. Replacing a window on
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3 Select where in the list to add the new 2-7-2 Favorite displays favorite. If you select an existing favorite The M121/M84 has a list of commonly used display then the new favorite will replace the displays, called favorite displays. There can be existing favorite in the list. up to six favorite displays. Each display can have one or more windows plus a data header (see section 2-7-3) and a compass (see section 2-7-4). Set up favorite displays for common situations, for example navig
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Tip: If all fields in a line are None then the 2-7-3 Data header line will not be displayed and the data header The displays can show data at the top, called will take less space on the display. the data header. ESC 5 Press . Tip: The data header will change when you select another display. To set a data header that you can recall later, set the header as part of a favorites display (see below). Favorites displays and data headers When you select a window from the display To set a dat
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3 Navigation: Chart The chart window shows the chart, the boat’s position course and navigation data. 3-1 Introduction to navigating The Instrument has two ways of navigating, going straight to a point or following a route. Note: 3-1-1 Navigating to a point When the Instrument is navigating to a 1 If the XTE alarm is enabled, an alarm will point, the chart and highway windows show sound if the boat deviates too much from its navigation data: intended course (see section 19-10). 2 If the arri
