NAVMAN
NAVMAN |
F440 |
NAVMAN FISHFINDER F400/F440 |
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ENGLISH ........................................................................... |
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CHINESE ......................................................................... |
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Contents |
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Introduction ...................................................................................................................................... |
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Specifications .................................................................................................................................. |
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Installation ........................................................................................................................................ |
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Location ........................................................................................................................................ |
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Installation – The Transducer .................................................................................................. ....... |
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• Transom Mount Transducer ...................................................................................................... |
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Location ................................................................................................................................. |
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Mounting ................................................................................................................................ |
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• Other Types of Transducers ..................................................................................................... |
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Wiring connection ........................................................................................................................... |
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Electrical protection ..................................................................................................................... |
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Operation ........................................................................................................................................ |
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Introduction ................................................................................................................................ |
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Primary functions and quick operation introduction ................................................................. |
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Menu selection system ............................................................................................................. |
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Display and Operating Modes ..................................................................................................... |
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Echo mode ........................................................................................................................ |
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Autofish mode ................................................................................................................... |
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Analogue-scope function ................................................................................................. |
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Navigate Mode ........................................................................................................... |
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Changing the mode of operation ............................................................................................... |
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Range function .............................................................................................................................. |
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Setting the display range ........................................................................................................... |
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Gain function ................................................................................................................................. |
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Setting the gain .......................................................................................................................... |
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Display scroll speed ...................................................................................................................... |
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Setting the scroll speed ............................................................................................................. |
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Alarms ............................................................................................................................................. |
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Anchor Drag Alarm .................................................................................................................... |
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Setting the alarms ...................................................................................................................... |
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Setup Menu ..................................................................................................................................... |
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Changing the setup functions .................................................................................................... |
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Setup Menu – Speed & Temperature (FISH440 only) ............................................................... |
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Changing the speed & temperature setup ................................................................................ |
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Troubleshooting ............................................................................................................................ |
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NAVMAN Fishfinder User Manual |
F4X0/ENG/1A |
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Introduction
Thank you for purchasing a NAVMAN 400 series fishfinder. The 400 series is a powerful, yet easy to use sonar fish and bottom depth detector. Please read this manual carefully before installing and using your fishfinder. This manual deals with both the FISH400 and FISH440. The more you know and understand about the capabilities of the unit, the better it will perform for you.
Specifications for 400 Series
•Dimensions
132 mm W(max) x 133 mm H x 46 mm D
•Depth Capability
180 metres, 600 feet
•Transducer Type
Aquatic transom-mount single beam. Thru hull transducer options are also available.
•Operating Frequency
200 KHz
•Transducer Angle
15 degrees
•Receiver Sensitivity
30 micro volts RMS
•Power Output
400 watts RMS (3200 watts peak-to-peak) maintained within 10% down to 10.5 volts.
•Display Size
100mm (4¼") Diagonal. 82 mm x 76 mm (3¼" x 3")
•Display Type
STN temperature compensated
•Display Matrix
100 x 64 pixels
•Input Voltage
10 to 18 volts DC @ 150 mA max. (lights on)
•Backlighting
Even illumination. Seven levels plus off.
•Operation Temperature
0°C to 40°C ambient ( 32°F to 104°F )
Additional FISH440 Specifications
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Boat Speed |
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Log |
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0.0–50.0 kts, mph, kph user selectable |
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Records up to 9999.9 nm, km, stored in |
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Water Temperature |
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memory, resetable. |
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0.0–40.0°C (32.0–99.0°F) user selectable |
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Power Output |
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440 watts RMS (3500 watts peak to peak) |
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maintained within 10% down to 10.5 volts. |
Display is backlit for |
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Active alarms indication |
Night Operation |
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F=Fish, D=Deep, S=Shallow |
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NAVMAN |
FISH400 |
Power On/Off
Menu Exit
Enter Menu Mode Advance to Next Menu
Backlighting On/Off
Change Value Down 
Alarms On/Off |
Move Through Menu Items |
Change Value Up |
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NAVMAN Fishfinder User Manual |
Installation
Location
The FISH400 and FISH440 are water resistant and may be mounted and operated in many positions thanks to its compact and robust bracket, associated with a swivel support.
Note
It may be advisable to install the transducer and wiring before finalising the location of the display head and bracket.
When installing the display head, select a position where it will be:
•at least 300 mm ( 12" ) away from the compass.
•at least 300 mm ( 12" ) away from any radio transmitter, such as the VHF.
•easy to read by the helmsman and crew while under way.
•protected from physical damage during rough sea passages.
•have easy access to the 12 volt power source.
•convenient to route the transducer cables.
35.0 (1.4") |
132.0 (5.2") |
NAVMAN FISH400
149.0 (5.9") |
133.0 (5.2") |
81.5 (3.2")
NAVMAN Fishfinder User Manual |
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Installation – The Transducer
Read this section carefully before attempting the transducer installation. Remember, the transducer location is the most critical part of the installation. If this is not done properly, the transducer can’t perform at its designed potential. Therefore the performance of the fishfinder, especially at higher speeds, will not be satisfactory.
• Transom Mount Transducer
Location
The transducer can be installed on any outboard or sterndrive powered boat. The transom mount transducer has a safety “kick up” mounting bracket to help minimise damage to the transducer should it impact the bottom or floating debris in the water.
Select a position for the transducer that will:
•allow the transducer a smooth flow of water over its surface at all times.
•ensure a mount as deep in the water as possible.
•be clear of any interference from the trailer when launching or retrieving the boat.
•be away from planing strakes or other projections from the hull that may cause aerated water to flow over the face of the transducer.
•be away from the propeller
•be at least 150 mm ( 6" ) away from the keel of the boat.
Poor Location
Poor Angle |
Good Location and Angle |
Mounting
Once the best location of the transducer is determined, hold the transducer and bracket against the transom. The bottom surface of the transducer needs to sit parallel to the surface of the water for the best signal return. The lower face of the transducer should extend down below the bottom of the hull so that it will be below the surface of the water at high speeds. (See fig. 2.1)
fig. 2.1
Minimum immersion required
Mark the transom through the bracket slots to correctly place the two outer screws. Now drill the two holes in the centre of the slots. This will allow you to adjust the transducer position later on if required. Use two of the three stainless screws supplied to attach the bracket to the transom. Ensure the lower face of the transducer is parallel with the ground (see fig. 3.1 and 3.2). Tighten the two screws.
fig. 3.1
DEEP-“VEE”
HULL
fig. 3.2
FLAT-BOTTOM
HULL
Good Location
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NAVMAN Fishfinder User Manual |
Finally, drill a hole and insert the third screw in the middle of the bracket. It is advisable to fill holes with a sealing compound before inserting screws (see fig. 3.3).
fig. 3.3
• Other Types of Transducers
It is possible to use your NAVMAN Fish Finder with all the NAVMAN Transducers Range (including thru-hull mounting). For this purpose you need to purchase the Y adaptors for the FISH400 and FISH440, which will allow you to separate the power cable from the transducer’s cable.
Model FISH400
Red 
Black
4 pin Fuji 
Depth
Wiring connection
Electrical protection
•Your fishfinder has an internal electrical protection system for over voltage and short circuit situations. It is not necessary to use a fuse or a circuit breaker.
If possible, route the transducer cable away from other wiring on the boat. Electrical noise from engine wiring, bilge pumps, and other equipment can affect the display.
•Both the power and depth transducer cables lead into one four pin connector on the FISH400 or the eight pin connector on the FISH440. This plugs into a single socket in the rear of the instrument. Connect the red wire of the two-core power cable to the positive supply and the black wire to the electrical ground. The shortest and most direct connection to the boat’s battery will help to eliminate any problems due to voltage drop or electrical interference.
4 pin Fuji |
Red |
Black |
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F400 Adaptor Cable
Depth
Model FISH440
Red |
Black |
2 pin Fuji |
Red |
Black |
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2 pin Fuji |
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8 pin Fuji |
F440 Y-Cable |
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8 pin Fuji |
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Depth/Speed |
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Depth |
Speed |
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NAVMAN Fishfinder User Manual |
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Operation
Introduction
The FISH400 and FISH440 use sonar technology to display lake or seabed contours and to detect fish. The system consists of an LCD display unit and a depth transducer positioned in the water. The model FISH440 is also supplied with integrated boat speed and water temperature sensors.
Primary functions and quick operation introduction
Turns the power ON and OFF
•Press for one second to turn the power ON
•Press and hold for three seconds to turn the power OFF
Selects digital information to be displayed in the top left corner of the Fish Finder screen.
Returns the unit to operating mode from any menu.
Turns the backlighting ON or OFF
• Press once to turn the backlights
O N
•Press again to turn the backlights OFF
Decreases setting values in menus.
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Turns the alarms ON or OFF |
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• Press once to turn the alarm ON |
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• Press again to turn the alarm |
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OFF |
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Increases setting values in menus. |
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Enters menu mode |
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Advances to the next menu |
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Moves through the list of items in each |
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menu |
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The LCD screen is menu driven for ease of use. The automatic detection can locate and display the position of fish with three different size fish symbols. This feature can be disabled so that the LCD will display only the raw electronic signals. Experienced users can use this mode to extract even more information about the water and seabed conditions.
Note
Momentarily pressing the 
key removes or displays depth, speed and temperature data (depth only in the FISH400) from the upper left corner of the display. The format chosen is retained in memory when the power is switched off.
Menu selection system
Your fishfinder has many features that may be selected for adjustment. Each of these features have a menu screen. You may access all the menu screens by repeatedly pressing the key.
Menus such as the manual gain control, shallow and deep water alarms have additional numerical control windows. The number in this window is changed by using the V and ^ keys. Any changes made are recorded in memory as soon as you exit the menu screen. All changes are stored in memory when the power is switched off.
Note
To exit or clear any menu from the screen, press the 
key.
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NAVMAN Fishfinder User Manual |
Display and Operating Modes
The FISH400 has five modes of operation. These are Echo, Echo + Analogue Scope, AutoFish, AutoFish + Analogue Scope and
Navigate.
Echo mode
The Echo mode displays the return signals as they are received from the transducer. Fish appear as arches and not as fish symbols. The length of the arch will indicate the relative size of the return echo and size of the fish.
The Echo mode enables the unit to display echoes caused by surface turbulence, thermal layers, plankton or transducer noise when the boat is moving. This mode is very useful for the experienced user.
The digital display in this sample window is indicating the depth of the bottom. The display units are also user selectable
Autofish mode 
The Autofish mode automatically analyses the return echoes and displays echoes with fish icons (the bigger the echoes, the bigger the icon!).
The return echo is caused when the sonar beam strikes the air stored in the fishes swim bladder. Certain types of fish have larger swim bladders than normal so the size of the icon is not always a reliable way to indicate the relative size of the fish.
In the Autofish mode, unnecessary surface noise is reduced from the top of the screen. This mode is recommended when your boat is moving along at higher speeds.
NAVMAN Fishfinder User Manual |
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Analogue-scope function |
Model FISH400 |
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Analogue Scope |
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Displays depth only
Model FISH440
Current Echo
The Analogue-scope function is available in either the Echo or Autofish modes. This feature displays an intensity graph of the current echoes down the right hand side of the screen.
The information can be used to help determine the type of bottom structure and the size of fish. The strength of the echo is proportional to size or number of pixels visible in the analogue section of the screen. This feature will help to determine the strength of the return echo from the bottom and therefore how hard or soft the bottom may be.
Navigate Mode
In this mode the depth, speed and temperature are displayed in large easily readable digits. This is useful when navigating to your favourite fishing location.
To increase precision, the values are displayed in 0.1 increments.
You may display water temperature in degrees °C or °F. The depth of the bottom in feet, metres or fathoms. The speed of the boat in mph, knots or kph.
The log will display the total distance in the speed unit you have selected. The log total is automatically stored in memory when the power is switched off or removed but this value can be reset to zero (see SETUP menu).
When either or all of the Fish (F), Shallow (S) or Deep (D) alarms are active they are displayed at the top left corner of the screen.
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NAVMAN Fishfinder User Manual |
Changing the mode of operation
•Press the key to activate the mode menu
•Press either the 
key or the 
key to move the pointer to the desired mode of operation
•Press the 
key to accept the choice and return to normal display mode
The symbols in the display box are as follows
Echo mode
Echo mode + analogue scope
Autofish mode
Autofish + analogue scope mode
Navigate data mode
Range function
The range function allows you to control the depth range that is displayed on the LCD. There are three different range modes; Top, Bottom, and All.
If Top is selected then a lower depth limit value must also be selected. This mode locks the display to show only echoes from the surface of the water down to the lower depth limit you have selected. This means that the sea bed may not be shown if the water is deeper than the selected lower depth limit.
If Bottom is selected then an upper depth limit must also be entered. This mode locks the display to show only echoes between the sea bed and the upper depth limit you have selected. The top of the water may not be shown if the water is deeper than the upper depth limit. This feature is like a ZOOM function, as it allows you to see the bottom contour and fish echoes above the bottom in greater detail.
If All is selected then the unit will automatically adjust the display range to show both the top of the water and the sea bed no matter what the depth of the water is.
Setting the display range
Depth Range Limit
•Press the key until the range menu is displayed.
•Press either the 
key or the 
key to move the pointer to the desired mode of operation
NAVMAN Fishfinder User Manual |
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• If the desired mode is Top or Bottom then |
Setting the gain |
use the V or the ^ key to adjust the limit |
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value to the desired level |
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•Press the 
key to accept the choice and return to normal display
Gain function
The gain is a measure of ability to receive weak signals. The higher the gain setting, the better the unit is able to pick up weak return signals. Deep water operation requires the gain to be set to a higher value due to loss of signal in the water.
There are two gain modes that can be selected,
Manual and Auto.
If Manual is selected then a gain setting from 0 to 15 must also be entered. This will be the value of gain that is always used when displaying information on the screen. A low gain number may be suitable in shallow water but will need to be increased for deep water operation
If Auto is selected then the gain will automatically vary as the water depth changes. This feature is particularly useful if you are fishing areas where the depth changes suddenly. In Auto mode, you can set the auto-gain value to provide a consistent image of the bottom, regardless of the bottom type. A low auto-gain setting will cause a thin bottom image to be displayed. A high autogain setting will result in a thick bottom image. This adjustment is particularly useful with a weak return signal from a muddy or silty bottom. Normally, in these conditions the auto-gain will increase the gain to a level that may make the display appear too cluttered, making it difficult to distinguish fish. In this situation the auto-gain can be reduced to display a weak bottom image but with improved fish images.
•Press the key until the gain menu is displayed
•Press either the 
key or the 
key to move the pointer to the desired mode of operation
•If the desired mode is Manual then use the V or the ^ key to adjust the value to the desired level
•Press the 
key to accept the choice and return to normal display mode
•If the desired mode is Auto then use the V or the ^ key to adjust the value to the desired level. In Auto mode the gain will be controlled to show the same bottom detail irregardless of depth
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NAVMAN Fishfinder User Manual |
Display scroll speed
The scroll speed is the speed that the picture moves across the screen. It is adjustable in three distinct steps, slow, medium and fast. In general the faster scroll speed will work better with higher boat speeds. The slower scroll speeds are more suitable for slow speed trolling and slower vessels. The most suitable scroll speed is determined by experimentation
Setting the scroll speed
•Press the key until the speed menu is displayed
•Press either the 
key or the 
key to move the pointer to the desired scroll speed
•Press the 
key to accept the choice and return to normal display mode
NAVMAN Fishfinder User Manual |
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