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Explorer 443d/443df
Fishfi nder
Installation and Operation Manual
www.northstarnav.com

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Summary of Contents for NorthStar EXPLORER 443D

  • Page 1 Explorer 443d/443df Fishfi nder Installation and Operation Manual www.northstarnav.com...
  • Page 3 Documentation will be the official version of the observing safe boating practices. Documentation. BRUNSWICK NEW TECHNOLOGIES INC. AND ITS This manual represents the Explorer 443d/443df SUBSIDIARIES AND AFFILIATES DISCLAIM ALL as at the time of printing. Brunswick New LIABILITY FOR ANY USE OF THIS PRODUCT IN A Technologies Inc.
  • Page 4: Table Of Contents

    1-1 Benefits of the Explorer 443d/443df ........
  • Page 5 Appendix C - Troubleshooting ......................... 35 Important It is your sole responsibility to install and use Northstar’s instrument & transducers in a manner that will not cause accidents, personal injury or property damage. Always observe safe boating practices. The choice, location, angle and installation of the instrument & transducers are critical to performance of the system as intended.
  • Page 6: Introduction

    1-1 Benefits of the Explorer 443d/443df charts. The Explorer 443d/443df is particularly The Explorer 443d/443df is a high quality, dual- frequency sonar fishfinder that is supplied with suited to work with the Explorer 538. a dual-frequency transducer. It uses a 16 level...
  • Page 7: How The Explorer 443D/443Df Works

    The depth of the object or echoes (different fish types, different bottom bottom is calculated by the Explorer 443d/443df • by measuring the time taken between sending a types, wrecks and seaweed) pulse and receiving the echo.
  • Page 8 3. To change contrast: Press Press <, > to adjust 4. Press ENT to save settings. 5. Press ESC to exit. Press twice to return to the maximum backlight setting and default contrast. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 9: Setting Up The Explorer 443D/443Df

    Manual, Fishing and Cruising Modes Press AUTO to select one of the three following operating modes: Cruise mode. Use this when on the move. The Explorer 443d/443df prominently displays the water • depth and automatically adjusts Range and Gain so that the bottom trace is displayed. Depth is displayed in large digits.
  • Page 10 Fuel - see section 3-3 Logs - see section 3-4 Alarms - see section 3-5 Units - see section 3-6 Comms - see section 3-7 Calibrate - see section 3-8 Simulate - see section 2 Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 11: Setup > System

    Sonar: There is a choice of Narrow (200kHz), Wide(83kHz), Mixed and Auto. For more info about selecting a suitable frequency for water conditions, see section 4-2 Single and Dual Frequency Fishfinding. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 12: Setup > Fuel (Available On 443Df Only)

    These features can be used only when the WARNING optional single or twin engine fuel kit has been installed. Northstar fuel kits are only suitable for petrol/ Press MENU once or more until the Setup menu gasoline engines. Fuel consumption can change is displayed, then select Fuel: drastically depending upon the boat loading and the sea conditions.
  • Page 13: Setup > Logs

    This option resets the total distance to zero. Reset engine hours Use this option to reset the engine hours to zero. This can be useful after an engine service or to count the engine hours between service intervals. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 14: Setup > Alarms

    (metres) • Select from: kph (kilometres per hour) • fa (fathoms) • nm (nautical miles) • Wind Pressure mi (miles) • km (kilometres) • True • • kPa • Apparent • psi Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 15: Setup > Comms (443Df Only)

    • ImpGal (Imperial Gallons) 3-7 Setup > Comms (443df only) NMEA data Use this feature when the Explorer 443d/443df is connected to other Northstar instruments Use this to specify which NMEA sentences will be through NavBus or any compatible NMEA transmitted (see Appendix A - Specifications and instrument.
  • Page 16 Note: Boat illustrated uses a through hull transducer To calibrate the fuel transducer(s), perform the following steps: 1. Record the level of the fuel in the tank(s). 2. Connect the portable tank(s) to the engine through the fuel transducer(s). Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 17: Using The Explorer 443D/443Df

    It also describes Gain and Range and shows displays, when and why to use the different examples of some of the different sonar displays. frequencies and how fish are detected Also see section 1-2 How the Explorer 443d/443df and displayed. works. 4-1 Interpreting the display...
  • Page 18 Frequency and cone width Water Cone width Cone width The pulse generated by the Explorer 443d/443df Depth at 83 kHz at 200 kHz transducer travels down through the water, spreading outwards to form a rough cone shape. However, the cone width is dependent upon the frequency of the pulse;...
  • Page 19: Single And Dual Frequency Fishfinding

    This shows 200kHz detail on screen, but uses 83 kHz cone 83kHz beam for locating fish further from boat. Comparison of the same fish scenario displayed at different frequencies: 30 seconds ago 1 minute ago Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 20 83 kHz display 200 kHz display Note the Note the wider smaller, defined bottom trace fish arches and more bottom detail. 200/83 Khz display Dual screen Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 21: Fish Detection And Display

    Sonar display with the Fish symbols will often be found downstream of the feature. Off. The fish appear as arches. When fishing with the Explorer 443d/443df with Fish arches the Fish symbols Off, a weak fuzzy band may appear between the bottom trace and surface.
  • Page 22: Gain

    Use threshold to eliminate colors in the sonar Gain line display. 1. From any Sonar display, press ENT. 2. Use the cursor keys to highlight the desired setting, then use the cursor key to change it. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 23: Range

    2. Highlight Range, then use the cursor keys to select Auto or Manual. 3. Press ENT to confirm. Tip: To quickly enlarge from manual to auto-range hold down + or - key for 1.5 seconds. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 24: The Displays

    Range is explained in customizable feature section 4-5 Range. that can be used to display up to 9 data A-scope is items, such as alarms explained in section or water temperature. 5-5 Sonar A-Scope display. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 25: Sonar Zoom Display

    ENT. The adjustable range of the split ratio is from 20% to 80%. For 100% zoom, use ‘full-screen zoom’ display. Data header Data header is explained in section 5-1 Sonar display. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 26: Sonar Bottom Display

    Range is explained in section 4-5 Range. Gain threshold Data header is explained in section 5-1 Sonar (weakest echo for display. display) Split ratio is explained in section 5-2 Sonar Zoom display. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 27: A-Scope Perspective View

    Flow shows the fuel consumption per hour. For twin engine installations, the fuel flow for each engine is shown separately. This is useful for checking that both engines are under the same load. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 28: Data Display

    There are no options. This shows the fishfinder model number, the software and hardware versions and wiring information. Note the software version before contacting your Northstar dealer for technical advice. For more information on wiring, see section 6-5 Wiring options.
  • Page 29: Installation And Maintenance

    NMEA wiring Option (Explorer 443df only) White Wire: Use this, if desired, to connect the fishfinder to other NMEA instruments such as Northstar’s Explorer R310. (See section 6-5 Systems of several instruments.) Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 30 Green Wire: Use this to connect a secondary alarm indicator such as a flashing light or external beeper with a built-in drive circuit. See the Auto power wiring diagram. If the external beeper or light requires more than 200 mA total, fit a relay. Consult your Northstar dealer for more advice.
  • Page 31: What Comes With This Product

    Convenient to route the transducer cables. • excessive vibration. The bracket can be tilted and rotated and the Explorer 443d/443df can be removed after each use. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 32: Systems Of Several Instruments

    Keep the display unit 4. Sit the display unit in place and fit the in a dry clean place such as an optional Northstar washers and nuts to the studs. carry bag.
  • Page 33: Cleaning And Maintenance

    Remove the previous stored in the Northstar carry bag, or left on the coat of antifouling paint by sanding it lightly. installation bracket and securely covered with the sun cover supplied.
  • Page 34: Appendix A - Specifications

    Inboard petrol/gasoline engines: 50 to 300 hp *443df only Minimum flow rate: 1.3 U.S. gallons per hour (5 litres per hour) Maximum flow rate: 34 U.S. gallons per hour (130 litres per hour) SmartCraft Support: Yes, single engine Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 35: Appendix B - Dimensions

    Inspect the power cable from end to end for Repairs to the product may only be carried out damage such as cuts, breaks, squashed or by a service centre approved by Northstar. If the trapped sections. product must be sent into a service centre for...
  • Page 36 (See the Transom Transducers Installation Guide, for more information.) Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 37 (see section 3-3 Setup > Fuel. Setup > Fuel). d) The fuel tank may not refill to the same capacity each time due to air pockets. This is particularly noticable with underfloor tanks. Northstar Explorer 443d/443df Installation and Operation Manual...
  • Page 38 d) A higher fuel Flow filter setting be used on EFI (fuel injected) engines. See section 3-3 Setup > Fuel. 13. There is no reading for fuel economy: a) The boat must be travelling through the water to generate an Economy reading. b) Check that the paddlewheel on the transducer is spinning freely and that the two magnets in the paddlewheel are still...
  • Page 40 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,...

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Explorer 443df

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