NorthStar EXPLORER 443D Installation And Operation Manual Download Page 33 | Manualshive

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6-5 Cleaning and maintenance

To avoid damage, clean the screen

only

with a

damp cloth and mild detergent when dirty or
covered in sea salt. Avoid abrasive cleaners, petrol
or other solvents.

Cover or remove a transom-mounted transducer
when repainting the hull. If painting over a
through hull transducer with antifouling paint,
use only one coat of paint. Remove the previous
coat of antifouling paint by sanding it lightly.

To optimize performance, avoid walking on
or jamming cables and connectors. Keep the
transducer free of weed, paint and debris. Do not
use a high pressure water blast on a speed sensor
paddlewheel as it may damage the bearings.

When not in use, the Explorer 443d/443df can
be removed from the installation bracket and
stored in the Northstar carry bag, or

left on the

installation bracket and securely covered with the
sun cover supplied.

Repeater for depth, speed, water temperature and battery
voltage. Accepts NavBus or NMEA data inputs from other
instruments.

Explorer D210

Depth Repeater

Explorer 538

Color GPS Chartplotter with
worldwide coverage

Explorer R310

Northstar

Explorer 443d/443df

Installation and Operation Manual

33

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Summary of Contents for EXPLORER 443D

Page 1: ...www northstarnav com Explorer 443d 443df Fishﬁnder Installation and Operation Manual ...

Page 2: ......

Page 3: ...to avoid possible injury or death WARNING WARNINGindicatesapotentiallyhazardoussituationwhich ifnotavoided could result in death or serious injury CAUTION CAUTIONindicatesapotentiallyhazardoussituationwhich ifnotavoided could result in minor or moderate injury CAUTION CAUTION used without the safety alert symbol indicates a potentially haz ardous situation which if not avoided may result in proper...

Page 4: ...df only 15 3 8 Setup Calibrate 15 4UsingtheExplorer443d 443df 17 4 1 Interpreting the display 17 4 2 Single and Dual frequency fishfinding 19 4 3 Fish detection and display 21 4 4 Gain 22 4 5 Range 23 5TheDisplays 24 5 1 Sonar display 24 5 2 Sonar Zoom display 25 5 3 Sonar Bottom display 26 5 4 Sonar 83 200 display 26 5 5 Sonar A Scope display 26 5 6 A Scope perspective view 27 5 7 Fuel display 44...

Page 5: ...epth display can be affected by many factors including the type and location of the transducer and water conditions Ensure that the transducer is located and used correctly Fuel Computer Do not rely on the fuel computer as the sole source of information regarding available fuel onboard Fuel economy can change drastically depending on boat loading and sea conditions Fuel Computer information should...

Page 6: ... or wrecks and to help recognize favourite fishing spots from the bottom profile The Northstar fishfinder can also assist with navigation by providing depth information to help identify the depth contours marked on 1 1BenefitsoftheExplorer443d 443df Important It is vital to the performance of the fishfinder that the transducer is installed in the best location Please follow the installation instru...

Page 7: ...ally disappearing off the display The scroll speed depends upon the water depth and scroll speed setting See section 3 2 Setup Sonar and section 4 1 Interpreting the display for more information The appearance of echoes displayed are affected by the fishfinder settings frequency selected range and gain settings echoes different fish types different bottom types wrecks and seaweed noise water clari...

Page 8: ... Press ENT to select the item To change a number word or setting 1 Use the cursor keys to highlight the number word or setting and to make the change s 2 Press ENT to confirm ESC to cancel PowerOff To turn the fishfinder off hold A countdown box appears Continue to hold for 3 seconds until the fishfinder turns off Note If the unit is wired for Auto Power section 6 5 Wiring options the fishfinder c...

Page 9: ...TO 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 Fishing mode Use this when fishing The Explorer 443d 443df prominently displays fish the bottom profile wrecks rocks and all the de...

Page 10: ...Simulate see section 2 Comms see section 3 7 Alarms see section 3 5 Fuel see section 3 3 Logs see section 3 4 Units see section 3 6 Calibrate see section 3 8 System see section 3 1 Northstar Explorer 443d 443df Installation and Operation Manual 10 ...

Page 11: ...sounding rate time between each ultrasonic pulse to a user specified interval from 5 minutes to 2 hours The fishfinder appears to turn off however all alarms operate normally To return to normal operation press Power button Ideal to be used as an anchor alarm Factoryreset This option returns all of the fishfinder settings except the language to the default factory settings shown in section 3 Setti...

Page 12: ...cho strength as shown on the sonar displays There is a choice of three color palettes Black White and High Contrast Interference filter This filters the echo signal to reduce high level spiky interference such as engine noise and makes small fish harder to see Select to add filter Pulse power This can be used to specify the power output of the transmitted ultrasonic pulse Low power output conserve...

Page 13: ...owest value which gives a stable flow Usually a value of 5 to 10 seconds will give a satisfactory result for two stroke carburettor engines Fuel injected or four stroke engines may require a larger value This setting affects the Fuel flow and Fuel economy reading on the Fuel display see section 5 6 Fuel display but it does not affect the Fuel used reading SpeedSource Select speed input from water ...

Page 14: ...o matches the profile of a fish Temp 1 2 sec Temperature equals the alarm trigger value Temp rate 1 2 sec Rate of change of temperature equals the alarm trigger value Low battery 1 2 sec Battery voltage is less than the alarm trigger value Low fuel 1 2 sec Fuel remaining equals the alarm trigger value Only 4432 3 6Setup Units 3 5Setup Alarms Press MENU one or more times until the Setup menu is dis...

Page 15: ...tions where there is minimal current best at high or low tide Use the cursor keys to display the speed readout box then increase or decrease the readout to match the independent speed value Speed Filter Increase this setting to stabilise an erratic speed reading Decrease to improve reading responsiveness The speed filter can be set from 0 to 30 seconds only available on 443df 3 7Setup Comms 443df ...

Page 16: ...sducer s 3 Run the engine at normal cruising speed until at least 4 gallons 15 litres of fuel has been used per engine 4 Check the actual amount of fuel used per engine by refilling the portable tank s to the original level and noting the reading s from the fuel dispenser s gauge 5 Select Fuel Use the cursor keys to change the reading for each engine to match that on the fuel dispenser s gauge 6 P...

Page 17: ...ences in the strength of the echo The strength varies with several factors such as the Size of the fish school of fish or other object Depth of the fish or object Location of the fish or object The area covered by the ultrasonic pulse is a rough cone shape and the echoes are strongest in the middle Clarity of water Particles or air in the water reduce the strength of the echo Composition or densit...

Page 18: ...idth The pulse generated by the Explorer 443d 443df 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 at 83 kHz it is 20 whereas at 200 kHz it is 14 The chart shows how the cone width varies over depth for each frequency used Figures are approximate Water Cone width Cone width Depth at 83 kHz ...

Page 19: ...ined in detail at 200kHz Autofrequency This shows 200kHz detail on screen but uses 83kHz beam for locating fish further from boat Wide angle less detailed 83 kHz cone Narrow angle more detailed 200 kHz cone 4 2SingleandDualfrequencyfishfinding 1 minute ago 30 seconds ago Now Comparisonofthesamefishscenariodisplayedatdifferentfrequencies Northstar Explorer 443d 443df Installation and Operation Manu...

Page 20: ...zdisplay Dual screen 200kHzdisplay 200 83Khzdisplay Note the wider bottom trace Note the smaller defined fish arches and more bottom detail Northstar Explorer 443d 443df Installation and Operation Manual 20 ...

Page 21: ...ymbol depth FishsymbolsOff For experienced users this always provides the best information as every echo is displayed whether it is surface clutter a thermocline or a fish The picture in section 4 1 Interpreting the display shows the Sonar display with the Fish symbols Off The fish appear as arches Fisharches In good conditions and with Fish symbols Off a fish passing through the cone shaped ultra...

Page 22: ...dsettings The gain settings and the threshold settings can be adjusted independently for each frequency 83kHz and 200 kHz Use threshold to eliminate colors in the sonar display 1 From any Sonar display press ENT 2 Use the or cursor keys to highlight the desired setting then use the cursor key to change it Note The Gain mode automatically changes to Manual Gain if the gain or threshold settings are...

Page 23: ...on the display ChangingtheRangeMode Press the or key to change to Manual Range mode and to increase or decrease the range to the desired depth Values can be set between 10 ft 3 m to 1000 ft 300 m To change from the current mode 1 From any Sonar display press MENU to display the Options menu 2 Highlight Range then use the cursor keys to select Auto or Manual 3 Press ENT to confirm Tip To quickly en...

Page 24: ... Tab select Sonar and press ENT This display scrolls from right most recent echoes to left oldest echoes at the selected frequency see section 3 2 Setup Sonar To change items press MENU until the Options menu is shown Gain is explained in section 4 4 Gain Range is explained in section 4 5 Range A scope is explained in section 5 5 Sonar A Scope display Dataheader The data header can be selected on ...

Page 25: ...in the zoom section regardless of changes in depth If Bottom lock is not selected the bottom will not be displayed in the zoom section when it is outside the range covered by the zoom bar Using the Bottom Lock and the A Scope features together can be a powerful aid in recognising the type of bottom SplitRatio Use this to change the split ratio between the zoom and the sonar history sections displa...

Page 26: ...e display The zoom bar is fixed in the middle of the display See section 4 5 Range for information about adjusting the Zoom Range and Zoom Offset To change items press MENU until the Options menu is shown Gain is explained in section 4 4 Gain Range is explained in section 4 5 Range A scope is explained in section 5 5 Sonar A Scope display Data header is explained in section 5 1 Sonar display Botto...

Page 27: ...y 443df only Fishrecognition The echo strengths shown on the A scope can be useful in recognising the type of fish Different species of fish have different sizes and shapes of swim bladders The air in the swim bladder reflects the ultrasonic pulse so the strength of the echo varies between fish species according to the size and shape of the swim bladder When fishing among a school of fish and catc...

Page 28: ...ess ENT 3 Use the cursor keys to move from data field to data field 4 Press ENT at any data field to show the list of data items that can be displayed there 5 Highlight the required data item and press ENT The data item is immediately displayed 6 Press ESC when finished Time base of graph can be changed by pressing Menu selecting Time Base with cursor key pressing ENT and selecting the required ti...

Page 29: ...t disables the engine hours counter Auto power wiring This must be used for the engine hours and fuel computer options Secondary Alarm wiring NMEA wiring Single engine fuel wiring Twin engine fuel wiring Note If a wire color is not specifically mentioned it is not used in that wiring option Section 6 5 Systems of several instruments describes NMEA and NavBus Wiring Options Fuse Red Yellow Black Ma...

Page 30: ... the fuel transducer cable Fuse Fuse White NMEA out Green External Beeper or Red Yellow Black Main switch 12 V DC Ignition switch To ignition system Autopoweroption Throughhulltransducers Speed Temperature through hull transducer phono 8 pin Through hull depth transducer Fuelkitwiring Explorer443dfonly Black wire Connect this to the negative battery terminal Red wire Connect this to the positive b...

Page 31: ...ny unwanted glare or reflections Carefully select the best viewing position before installation This would generally be in a shaded area Bracket mounting requires a panel for mounting the bracket Ensure that the panel is not likely to deform and is not subject to excessive vibration The bracket can be tilted and rotated and the Explorer 443d 443df can be removed after each use Explorer 538 chartpl...

Page 32: ...ularly suited to work with the Explorer 538 3 8 color Northstar s GPS chartplotters with worldwide coverage There are two ways of connecting instruments together NavBus or NMEA NavBus NavBus is a Northstar proprietary system that allows systems of multiple instruments to be built using a single set of transducers When instruments are connected by NavBus If the units alarms or calibration are chang...

Page 33: ...cables and connectors Keep the transducer free of weed paint and debris Do not use a high pressure water blast on a speed sensor paddlewheel as it may damage the bearings When not in use the Explorer 443d 443df can be removed from the installation bracket and stored in the Northstar carry bag or left on the installation bracket and securely covered with the sun cover supplied Repeater for depth sp...

Page 34: ...Transomtransducercable length 33ft 10m 26ft 8m Temperaturemeasurement range 32 to 99 9 F 0 to 37 7 C Resolution of 0 1 unit Speedrange 1 to 50 kn 57 5 mph 96 6 kph Communications NMEA 0183 Ver 2 0 4800 baud NavBus NMEA Output NMEA 0183 is a standard for interfacing marine electronic devices The Northstar fishfinder can output the following sentences DBT Depth Below Transducer DPT Depth and Keel of...

Page 35: ...rt Appendix C Troubleshooting b Check that the power cable connector at the back of the display unit is securely plugged in and the collar is locked in place The collar must be secure for watertight connection c Measure the battery voltage while the battery is under load turn on some lights radio or other electrical equipment connected to the battery If the voltage is less than 10 volts the batter...

Page 36: ... Electrical noise from the boat s engine or an accessory may be interfering with the transducer s and or the Northstar fishfinder This may cause the fishfinder to automatically decrease the Gain unless using Manual Gain The fishfinder thus eliminates weaker signals such as fish or even the bottom from the display This may be checked by switching off other instruments accessories e g bilge pump and...

Page 37: ...eset after every refuelling see section 3 3 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 e Fuel transducers wear out over time and should be replaced after every 5000 litres of fuel 10 Flow indicates no fuel or low fuel a Check that the number of engines is set to 1 See section 3 3 Setup Fuel b Chec...

Page 38: ...ucer is spinning freely and that the two magnets in the paddlewheel are still in place 14 There is a double bottom trace displayed a The boat may be in an area that generates shadows See section 4 1 Interpreting the display b In shallow water the echoes may bounce Reduce the gain setting see section 4 4 Gain and or reduce the sonar pulse power see section 3 2 Setup Sonar c Decrease the Range 15 No...

Page 39: ......

Page 40: ...5QY ENGLAND Ph 44 2380 339922 Fax 44 2380 330345 northstaruk northstarnav com AUSTRALIA PO Box 479 Gladesville NSW 2111 AUSTRALIA Ph 61 2 9879 9060 Fax 61 2 9879 9009 northstaraus northstarnav com NEW ZEALAND PO Box 68 155 Newton Auckland Auckland NEW ZEALAND Ph 64 9 481 0500 Fax 64 9 481 0590 northstarnz northstarnav com www northstarnav com Made in New Zealand MN000620A G ...

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