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Pilot 3380
Fish 4432 / 4433
AU T O P I L O T
F ISHF I ND ER S
Installation and
Operation Manual
www.navman.com www.navman.com
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Contents 1 Introduction .......................................................................................................................................... 5 1-1 Benefits of the FISH 4432/4433 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1-2 How the FISH 4432/4433 works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Basic Operation .........................................
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6-3 Mounting and removing the display unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 6-4 Systems of several instruments (4433 0nly) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 6-5 Cleaning and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Appendix A - Specifications ............................................................................
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1 Introduction Congratulations on choosing a Navman Important fish-finder. For maximum benefit, please read this It is vital to the performance of the fishfinder manual carefully before installation and use. that the transducer is installed in the best This manual describes how to install and set location. Please follow the installation up the FISH 4432/4433 and the associated instructions very carefully. dual-frequency transom transducer. (If a through hull transducer is used, refer to
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1-2 How the FISH 4432/4433 works The FISH 4432/4433 has two parts: line of pixels. The most recent echo appears on the extreme right of the display, with the - the transducer attached to the hull older echoes being scrolled towards the left, - the display unit. eventually disappearing off the display. The transducer generates an ultrasonic pulse The scroll speed depends upon the water (sound that is above the hearing range of depth and scroll speed setting. See section 3-2 the human ear)
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Press ENT to confirm the selection and the Power On / Auto Power startup sequence will continue. Press to turn the fishfinder on. Key Operation If the fishfinder is wired for auto power, it turns on automatically whenever the boat’s ignition The fishfinder is operated through menus. is turned on. This ensures that the engine To select a menu item: hours counter and optional fuel functions are 1. Press DISP or MENU activated. A title display appears briefly. This is 2. Press or to move
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Simulate Mode An internal simulator allows users to learn how to operate the fishfinder off the water. In Simulate mode the word Simulate flashes on the bottom of the display. The fishfinder generates data so that all the main displays appear to be operational. Use Setup > Simulate as follows: 1. Press MENU twice to show the Setup menu. 2. Highlight Simulate. 3. Press ENT to select or de-select. Manual, Fishing and Cruising Modes Press AUTO to select one of the three following operating mod
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The Setup menu and options System - see section 3-1 Sonar - see section 3-2 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 NAVMAN FISH 4432/4433 Installation and Operation Manual 10
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3-1 Setup > System Press MENU once or more until the Setup Auto power off menu is displayed, then select System: Select to have the fishfinder power off automatically every time the boat’s ignition is switched off. This applies only if the display unit is wired for Auto Power. See section 6-5 Wiring Options. Snooze Mode This power saving option slows the sounding rate (time between each ultrasonic pulse) to a user specified interval from 5 minutes to 2 hours. The fishfinder ap
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Scroll speed Fish sensitivity Use this to set the scroll speed on the display. Use this function to adjust the minimum fish There is a choice of: Very Fast, Fast, detection level. Select Low to reject noise and Medium, Slow and Pause. The depth of the small fish. Select High to detect maximum water also affects the speed of the display. number of fish. Faster scroll speeds combined with a slow Digit size boat speed (typically between 2 and 6 knots) Use this to remove or change the size of
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It is essential to do this whenever some fuel is This setting affects the Fuel flow and Fuel added or removed. Otherwise, the reading on economy reading on the Fuel display (see the Fuel display (see section 5-6 Fuel Display) section 5-6 Fuel display) but it does not affect and the Low Fuel Alarm (see section the Fuel used reading. 3-5 Setup > Alarms) are meaningless. Speed Source Clear used Select speed input from water speed Select Clear used to set Used (the transducer or external GPS s
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3-5 Setup > Alarms Press MENU one or more times until the Setup Symbol Alarm Beeper Alarm condition is met menu is displayed, then select Alarms: Name Cycle when the: 1 5 Too / sec Depth is less than shallow the alarm trigger value 1 Too /2 sec Depth is greater than deep the alarm trigger value Fish 1 short Echo matches the profile of a fish beep 1 2 Temp. / sec Temperature equals the alarm trigger value 1 2 Temp. / sec Rate of change of Trigger settings can be defined to suit the boat
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Fuel Temperature Select from: Select either: • Litres • °F (Fahrenheit) • USGal (US gallons) • °C (Celsius) • ImpGal (Imperial Gallons) 3-7 Setup > Comms (4433 only) Use this feature when the FISH 4432/4433 NMEA data is connected to other Navman instruments Use this to specify which NMEA sentences will through NavBus or any compatible NMEA be transmitted (see Appendix A - Specifications instrument. and section 5-7 Data display, for information about how to display NMEA dat
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2. Connect the portable tank(s) to the engine Temperature through the fuel transducer(s). The factory settings should be sufficiently accurate for normal usage. To calibrate the 3. Run the engine at normal cruising speed until at least 4 gallons (15 litres) of fuel has temperature readout, first measure the water been used per engine. temperature with a thermometer known to be accurate. 4. Check the actual amount of fuel used per engine by refilling the portable tank(s) to Use
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4 Using the FISH 4432/4433 This section explains how to interpret the sonar It also describes Gain and Range and shows displays, when and why to use the different examples of some of the different sonar frequencies and how fish are detected displays. Also see section 1-2 How the FISH and displayed. 4432/4433 works. 4-1 Interpreting the display The sonar displays do not show a fixed distance Strength of echoes travelled by the boat; rather, they display a The colors indicate differences in t
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Frequency and cone width Water Cone width Cone width The pulse generated by the FISH 4432/4433 Depth at 83 kHz at 200 kHz transducer travels down through the water, 10 4 2 spreading outwards to form a rough cone shape. 20 7 5 However, the cone width is dependent upon 30 11 7 the frequency of the pulse; at 83 kHz it is 20°, 40 15 10 whereas at 200 kHz it is 14°. The chart shows 50 18 12 how the cone width varies over depth for each 60 22 15 frequency used. Figures are approxima
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4-2 Single and Dual frequency fishfinding When to use 200 kHz The 200 kHz frequency is best for seeing deep bottoms, showing detail and reducing noise. When to use 83 kHz The 83 kHz frequency is has a wider beam– good for locating features that can be examined in Narrow angle, detail at 200kHz. more detailed 200 kHz cone Wide angle, Auto frequency less detailed This shows 200kHz detail on screen, but uses 83 kHz cone 83kHz beam for locating fish further from boat. Comparison of the same
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83 kHz display 200 kHz display Note the Note the wider smaller, bottom trace defined fish arches and more bottom detail. 200/83 Khz display Dual screen NAVMAN FISH 4432/4433 Installation and Operation Manual 20
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4-3 Fish detection and display Where to find fish Fish symbols Off Underwater features like reefs, wrecks and For experienced users this always provides the rocky outcrops attract fish. Use the 83/200 best information as every echo is displayed, kHz frequency display to find these features, whether it is surface clutter, a thermocline or then look for fish by passing over the feature a fish. slowly several times using the Zoom display The picture in section 4-1 Interpreting the (see se
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• It is difficult to get fish arches in shallow water as the transducer sonar beam is very narrow near the surface and fish do not stay within the beam long enough to display an arch. Several fish in shallow water tend to display as randomly stacked blocks of pixels. • Wave motion may result in distorted fish arches 4-4 Gain Gain (sensitivity) controls the amount of detail displayed on the FISH 4432/4433. Understanding how to set suitable Gain settings is important for optimum performance.
