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Humminbird Fishfinder 565

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Humminbird Fishfinder 565 Operations Manual

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About

Humminbird Fishfinder 565Humminbird 500 Series 565 - Fishfinder - included transducer : XNT-9-20-T - dual-beam
The 565 features an ultra high resolution 12 level grayscale 640V x 320H 5" display and dual beam sonar with 2000 watts PTP power output.

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HUMMINBIRD Fishfinder 565 sonar

 

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Comments to date: 2. Page 1 of 1. Average Rating:
Extradesk 3:00am on Sunday, October 10th, 2010 
WORKS GREAT My son is a fishing fool, especially ice fishing he says his 565 is awsome. Great portable unit This unit has worked great. It is very portable, and easy to use. The screen is easy to read and has good resolution.
_ on net now 6:49pm on Saturday, May 8th, 2010 
Yes. The Best The product has great resolution, very easy to operate in menu and easy function selection. A must for real fisherman.

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WEEE DIRECTIVE: EU Directive 2002/96/EC Waste of Electrical and Electronic Equipment Directive (WEEE) impacts most distributors, sellers, and manufacturers of consumer electronics in the European Union. The WEEE Directive requires the producer of consumer electronics to take responsibility for the management of waste from their products to achieve environmentally responsible disposal during the product life cycle. WEEE compliance may not be required in your location for electrical & electronic equipment (EEE), nor may it be required for EEE designed and intended as fixed or temporary installation in transportation vehicles such as automobiles, aircraft, and boats. In some European Union member states, these vehicles are considered outside of the scope of the Directive, and EEE for those applications can be considered excluded from the WEEE Directive requirement. This symbol (WEEE wheelie bin) on product indicates the product must not be disposed of with other household refuse. It must be disposed of and collected for recycling and recovery of waste EEE. Humminbird will mark all EEE products in accordance with the WEEE Directive. It is our goal to comply in the collection, treatment, recovery, and environmentally sound disposal of those products; however, these requirements do vary within European Union member states. For more information about where you should dispose of your waste equipment for recycling and recovery and/or your European Union member state requirements, please contact your dealer or distributor from which your product was purchased. ROHS STATEMENT: Product designed and intended as a fixed installation or part of a system in a vessel may be considered beyond the scope of Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment.
Humminbird, DualBeam PLUS, SmartCast, Selective Fish ID+, WhiteLine, QuadraBeam PLUS, RTS, X-Press Menu, Fish ID+, WideSide, Structure ID, TrueArch, UltraBlack, Angler Profile Presets, and WeatherSense are trademarked by or registered trademarks of Humminbird. 2008 Humminbird, Eufaula AL, USA. All rights reserved.

Table of Contents

How Sonar Works 1
Single Beam Sonar. 3 Dualbeam Sonar (565 Fishfinders only). 3 QuadraBeam PLUS Sonar (575 Fishfinders only). 4
Whats On the Display Views Sonar View
Understanding Sonar History. 9 Real Time Sonar (RTS) Window. 9 Bottom Presentation. 10 Sonar Zoom View. 13 200/83 kHz Split Sonar View (575 Fishfinders only). 14 Big Digits View. 15 Side Beam View (575 Fishfinders only). 16

Depth Upper Depth Range, Full Range View Upper Depth Range, Zoom View Full Range View Zoomed View Zoom Preview Box Lower Depth Range, Zoom View Zoom Level Lower Depth Range, Full Range View
200/83 kHz Split Sonar View
Split Sonar View displays sonar returns from the 83 kHz wide beam on the left side of the screen and displays sonar returns from the 200 kHz narrow beam on the right side of the screen and is only available on the 575 Fishfinder. Depth is always displayed in the upper left hand corner. You can use the Split Sonar View to make side by side comparisons between the sonar returns from the 83 kHz wide beam and the 200 kHz narrow beam. The digital readouts in the Split Sonar View cannot be customized; therefore, information such as water temperature and voltage are unavailable in the Split Sonar View.

Depth Upper Depth Range

200 kHz Sonar History Window 83 kHz Sonar History Window

Big Digits View

Big Digits View provides digital data in a large, easy-to-see format. Depth is always displayed. Readouts for temperature, speed and Triplog information are displayed automatically if the appropriate accessory is connected to the system. The Triplog shows distance traveled, average speed, and time elapsed since the Triplog was last reset. The digital readouts in the Big Digits View cannot be customized.
Depth Timer shows the time elapsed since Triplog was last reset. Distance is the distance traveled since the Triplog was last reset. Voltage displays the battery voltage. Average Speed shows the speed since the Triplog was last reset.

Temperature

Side Beam View
Side Beam View shows sonar information from both the left and right 455 kHz beams and the 200 kHz down-looking beam in one view and is only available on the 575 Fishfinder. You can customize the way the sonar data is displayed in the Side Beam View to suit your personal preferences. Depending on the layout selected from the Quad Layout Sonar X-Press menu (only available on the Sonar X-Press menu when in Side Beam View), the display will represent the same sonar data in one of the following three layouts: Default layout: The top portion of the display presents a historical log of sonar returns from the 200 kHz down-looking sonar beam. New information in the down beam panel scrolls from right to left. The bottom portion of the display presents a historical log of sonar returns from the 455 kHz right- and left-looking sonar beams. New information in the side beam panels scrolls from the center out.

Depth 200 kHz Sonar History Window Temperature
Left Side 455 kHz Sonar History Window
Right Side 455 kHz Sonar History Window Water Surface Line for 455 kHz Sonar History Windows
Classic layout: The top portion of the display presents a historical log of sonar returns from the 200 kHz down-looking sonar beam. The bottom portion of the display presents a historical log of sonar returns from the 455 kHz right- and left-looking sonar beams. New information appears at the top, and scrolls down the display.
200 kHz Sonar History Window
Slanted layout: This layout presents the two 455 kHz side sonar beams and the 200 kHz down-looking sonar beam as three panels of historical data. This layout is presented as three slanted panels. New information appears on the right, and scrolls to the left.
Right Side 455 kHz Sonar History Window
In all of these layouts, the sonar information from the side-looking beams reveals bottom contour, structure and fish similar to the down-looking beam, but the area covered is to the left and right of the area shown in the downlooking portion, so you actually see more of the bottom. The distance covered by the right and left beams is based on the depth setting for the down-looking beam, up to a maximum of 160 feet.
Your Fishfinder user interface consists of a set of easy-to-use keys that work with various on-screen views and menus to give you flexibility and control over your fishing experience.

POWER/LIGHT Key

The POWER/LIGHT key is used to turn the Fishfinder on and off, and also to adjust the backlight and contrast of the display. Press the POWER/LIGHT key to turn the unit on. The Title screen is then displayed until the Fishfinder begins sonar operation. Your Fishfinder will start up with the backlight on and will automatically turn it off to conserve power. To turn the backlight on for night fishing, or to adjust the display contrast, press the POWER/LIGHT key to access the Light and Contrast menu. Use the 4-WAY Cursor key to select Light or Contrast and then use the LEFT or RIGHT Cursor key to change the settings. Press EXIT to exit the Light and Contrast menu. Press and hold the POWER/LIGHT key for 3 seconds to turn the unit off. A message will appear telling you how many seconds there are until shutdown occurs. Your Fishfinder should always be turned off using the POWER/LIGHT key. This will ensure that shutdown occurs properly and any menu settings will be saved.

X-Press Menu

NOTE: The X-Press Menu choices will vary depending on which view is active when you press the MENU key, as well as whether you are in Normal or Advanced User Mode.
Main Menu Tabs - Less frequently-adjusted menus are grouped into the Main Menu System. The Main Menu system is organized under the following tab headings to help you find a specific menu item quickly: Alarms, Sonar, and Setup. Press the MENU key twice for the Main Menu, then use the 4-WAY Cursor LEFT or RIGHT key to select a tab, and use the DOWN or UP key to Main Menu System select a specific menu item under that tab, then Normal User Mode use the LEFT or RIGHT keys again to change a menu setting. Press the EXIT key to move quickly to the top of the tab. A down arrow at the bottom of a menu means that you can scroll to additional menu choices using the DOWN Cursor key. A right or left arrow on a menu choice means that you can use the RIGHT or LEFT Cursor keys to make changes or to see more information.
NOTE: The Main Menu choices will vary depending on whether you are in Normal or Advanced User Mode.
User Mode (Normal or Advanced) - An Advanced Mode is provided for users who desire the highest level of control over the Fishfinder and Normal Mode for users who desire greater simplicity and fewer menu choices. Additional Advanced menu choices will be displayed throughout the menu system when you navigate to specific menus while in Advanced Mode. Any changes made while in Advanced Mode will remain in effect after you switch back to Normal Mode. See Setup Menu Tab: User Mode for specific instructions on changing to Advanced User Mode.

Sonar Tab, Normal Mode

Sonar Tab, Advanced Mode
Total Screen Update - when you change any menu settings that affect the Sonar View, the view will update immediately (i.e. you dont have to exit the menu to apply the change to the screen).
Press the MENU key when the Title screen is displayed to access the Start-Up Options menu.
Use the UP or DOWN 4-WAY Cursor keys to position the cursor, then the RIGHT Cursor key to select one of the following choices. If you wait too long, the system will default to whichever menu mode happens to be highlighted: Normal Simulator System Status. See the following paragraphs for more information about each of these choices.

Noise Filter

Noise Filter adjusts the sonar Noise Filter to limit interference on the display from sources such as your boat engine, turbulence, or other sonar devices. The Noise Filter menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
NOTE: The Off setting removes all filtering; Low, Medium and High1, High2, High3 settings add progressive filtering of the sonar returns. High1, High2 and High3 are useful when there is excessive trolling motor noise, but in some deep water situations, the High settings may actually hinder your units ability to find the bottom.
To change the Noise Filter setting: 1. Make sure you are in Advanced User Mode, then highlight Noise Filter on the Sonar main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Noise Filter setting. (Off, Low, Medium, High1, High2, High3, Default = Low)

Max Depth

Max Depth adjusts the maximum depth of operation. The performance of your Fishfinder can be tuned to the maximum depth you will be fishing in by setting the Max Depth. When a maximum depth is set, your Fishfinder will not attempt to acquire sonar data below that depth, thus increasing overall performance. When Max Depth is set to Auto, the Fishfinder will acquire bottom readings as needed (within the capacity of the unit). If the bottom is deeper than the Max Depth setting, the digital depth readout will flash, indicating that the Fishfinder cannot locate the bottom. The Max Depth menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode). To change the Max Depth setting: 1. Make sure you are in Advanced User Mode, then highlight Max Depth on the Sonar main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Max Depth setting. (AUTO, 10 to 800 feet, 3 to 260 meters [International Models only], Default = AUTO)

Water Type

Water Type configures your unit for operation in fresh or salt water. The Water Type menu choice is available when User Mode is set to Advanced (see Setup Menu Tab: User Mode).
NOTE: In salt water, what would be considered a large fish might be 2 to 10 times bigger than a large fish in fresh water (depending on the type of fish you are seeking). The salt water setting allows for a greater range in fish size adjustment to account for this. Also, make sure that the Water Type is set accurately, especially in salt water, as this affects the accuracy of deep water depth readings.

To change the Water Type setting: 1. Make sure you are in Advanced User Mode, then highlight Water Type on the Sonar main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Water Type setting. (Fresh, Salt, Default = Fresh)
From any view, press the MENU key twice to access the Main Menu System. The Alarms tab will be the default selection.
NOTE: When an alarm is triggered, you can silence it by pressing any key. The alarm will be silenced, and will not be triggered again until a new instance of the alarm condition is detected.

Alarms Menu

Depth Alarm
Depth Alarm sounds when the depth becomes equal to or less than the menu setting. To change the Depth Alarm setting: 1. Highlight Depth Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Depth Alarm setting. (OFF, 1 to 100 feet, or 0.5 to 30 meters [International Models only], Default = OFF)

Fish ID Alarm

Fish ID Alarm sounds when the Fishfinder detects fish that correspond to the alarm setting. Fish ID Alarm will only sound if Fish ID+ is on.
For example, if you've set the Fish ID Alarm to sound for Large fish only, the Fish ID alarm will sound when a large-sized fish is detected.
To change the Fish ID Alarm setting: 1. Highlight Fish ID Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Fish ID Alarm setting. (Off, All, Large/Medium, Large, Default = Off)
Off All Large/Medium Large

Low Battery Alarm

Low Battery Alarm sounds when the input battery voltage is equal to or less than the menu setting. The battery alarm will only sound for the battery that is connected to the Fishfinder. The Low Battery Alarm should be set to warn you when the battery voltage drops below the safety margin that you have determined. For instance, if you are running a trolling motor (battery operated), you would want to set the Low Battery Alarm to sound before the battery voltage drops too low for it to be used to start your main, gasoline-powered engine. To change the Low Battery Alarm setting: 1. Highlight Low Battery Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Low Battery Alarm setting. (Off, 8.5V - 13.5V, Default = Off)

Temp Alarm

Temp Alarm sounds when the water temperature detected by the Fishfinder reaches the Temp Alarm setting, which is either set in degrees Fahrenheit or Celsius [International Models only]. For example, if the Temp Alarm is set to 58 degrees Fahrenheit, and the water temperature falls from 60 degrees to 58 degrees, the Temp Alarm will sound. Similarly, if the water temperature rises from 56 degrees to 58 degrees, the Temp Alarm will also sound. To change the Temp Alarm setting: 1. Highlight Temp Alarm on the Alarms main menu. 2. Use the LEFT or RIGHT 4-Way Cursor Control keys to change the Temp Alarm setting. (Off, 33-120 [Fahrenheit], 0-50 [Celsius], Default = Off)

Select Readouts sets individual digital readouts on the Sonar View. This Advanced feature allows you to select what data will be displayed in each of 6 fixed-position data windows arranged around the left and bottom edges of the Sonar View screen, or whether a particular window will be turned off, displaying nothing in that area; you can access this menu choice only when in Advanced User Mode (see Setup Menu Tab: User Mode.) Data windows can display readouts from supported accessories such as Temp/Speed. Each data window can either be empty or contain one of the following: Speed Temperature

Default Sonar View

Triplog Voltage

Customized Sonar View

To Select Readouts: 1. Make sure you are in Advanced User Mode, then highlight Select Readouts on the Setup main menu. 2. Use the RIGHT 4-WAY Cursor Control key to initiate this procedure. 3. The Select Readouts submenu will appear, showing a list of all Readouts. Use the UP or DOWN Cursor keys to select a particular Readout position, then use the RIGHT or LEFT Cursor keys to change what will be displayed at that position. (Off, Speed, Temperature, Triplog, Voltage)

Depth Offset

Depth Offset will adjust the digital depth readout to indicate depth from the waterline or boat's keel. Enter a positive vertical measurement from the transducer to the waterline to read the depth from the waterline. Enter a negative vertical measurement from the transducer to keel to read the depth from the keel. This menu choice is available only when in Advanced User Mode (see Setup Menu Tab: User Mode). To change the Depth Offset setting: 1. Make sure you are in Advanced User Mode, then highlight Depth Offset on the Setup menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Depth Offset setting. (-10.0 to +10.0 feet or -3 to 3 meters [International Models only], Default = 0)

Temp Offset

Temp Offset will adjust the temperature readout by the amount entered. This menu choice is available only when in Advanced User Mode (see Setup Menu Tab: User Mode.) To change the Temp Offset setting: 1. Make sure you are in Advanced User Mode, then highlight Temp Offset on the Setup menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Temp Offset setting. (-10.0 to +10.0 degrees, Default = 0)

Speed Calibration

(Advanced; with Temp/Speed only)
Speed Calibration will adjust the speed readout by the percentage entered, and will appear in the menu if a Temp/Speed Accessory is connected and the paddlewheel has moved at least once, when the unit is in Advanced User Mode (see Setup Menu Tab: User Mode.) To change the Speed Calibration setting: 1. Make sure you are in Advanced User Mode, then highlight Speed Calibration on the Setup menu. 2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Speed Calibration setting. (-20% to +20%, Default = 0%)

There are no fish detected, even when you know they are in the water under the boat, or sonar readings seem weak or faulty.
Sonar readings may be affected if the transducer is not positioned correctly (i.e. mounted at an angle, not straight down), or there is some kind of mechanical interference, either because it is mounted inside a hull that is too thick for proper sonar transmission, the bond between the transducer and the hull is not airtight, or because the transducer is dirty. Check with your Installation Guide for guidance on re-positioning the transducer, and make sure the transducer is clean. Low battery voltage may be affecting the power of signal transmission. Electrical noise from the boats engine may be interfering with sonar reception. See Finding the Cause of Noise for more information.
Finding the Cause of Noise
Electrical noise usually affects the display with many black dots at high speeds, and high sensitivity readings. One or more of the following sources can cause noise or interference:

Possible Source of Noise

Other electronic devices

Isolation

Turn off any nearby electronic devices to see if the problem goes away, then turn them on one at a time to see if the noise reappears. To determine whether the boats engine is the source of the noise, increase the RPMs while the boat is in neutral and stationary to see if the noise increases proportionately; if noise appears when you rev the engine, the problem could be the spark plugs, alternator, or tachometer wiring. Replace the spark plugs with resistor plugs, install an alternator filter, or route the control head power and transducer cables away from the engine wiring. Turbulence created by the propeller can cause noise; make sure the transducer is mounted at least 15 (38 cm) from the propeller, and that the water flows smoothly over the face of the transducer at all times.

The boats engine

Cavitation from the boats propeller
500 Series Fishfinder Accessories
Accessories customize the 500 Series Fishfinder to your needs and enable you to stay on the edge of new technology. When an accessory is connected to the 500 Series Fishfinder, additional menus and readouts are added automatically to the Main Menu System. Accessories available today that are supported by your Fishfinder include: Temperature/Speed: purchase and plug in the Temperature/Speed accessory to your 500 Series control head to get real time speed and temperature readouts, as well as a valuable Triplog function.

Chart Speed: Chart Speed is a user-controllable feature that sets the speed at which sonar information moves across the display. A faster setting displays sonar information from more pings and shows more detail, but the information moves quickly across the display: a slower setting permits viewing of more sonar history, but does not display as much detail. The best setting is often the user's personal choice. Cone Angle: The cone angle is the angular measurement of the sonar beam at a specific dB down point (i.e. -10 dB). See dB Down Point. Customizable Digital Readouts: Customizable Digital Readouts is a Humminbird feature that permits the user to select the specific digital information that appears in the main Sonar view (i.e. Speed, Temperature, Barometric Pressure, TripLog, etc.) Dead Zone: The dead zone is the area of the sonar beam that receives the sonar signal after the main bottom return. Fish and other objects close to the bottom that fall within the dead zone will probably not be visible in the sonar beam. Precision sonar beams, such as the Humminbird 20 beam, have a smaller dead zone than wider sonar beams. Decibel: A Decibel is the measurement for sound pressure level, or "intensity" of the sonar return. See dB Down Point. dB Down Point: The dB Down Point is the standard decibel level at which the sonar cone angle is measured, and is written as "@ -10 dB" or "@ -3 dB". Measurements at smaller down points (bigger negative numbers) indicate that the less intensive sonar signals are being used for the measurement. Display, FSTN: FSTN is an acronym for Film Super-Twist Nematic. FSTN is a monochrome display technology characterized by black, high-contrast pixels. All monochrome fixed mount Humminbird products use FSTN technology. DualBeam PLUS: DualBeam PLUS is a Humminbird sonar configuration that uses two sonar beams simultaneously, and combines the information from both beams into one view by overlapping the data on-screen, or shows each beam individually side by side, or permits each beam to be viewed individually full screen.
Feature Memory: Feature Memory is a Humminbird feature that retains the user's menu settings in permanent memory. Settings are retained even when the unit is powered off indefinitely. Fish Arch: A Fish Arch is the apparent "arch" that appears on the display when any object moves through the sonar cone. The arch results from a gradual decrease in distance to an object as it moves into the sonar cone. The distance to an object changes due to the conical shape of the sonar beam, which causes the distance to be greater at the edges of the beam than at the center of the beam. When this distance change is graphed on the display, an arch appears. Fish ID+: Fish ID+ is a Humminbird feature that uses advanced sonar processing algorithms to determine if a detected object is likely to be a fish. When the sonar signal from an object meets strict parameters, the unit draws a Fish Symbol (or icon) and the digital depth of the target. On DualBeam and DualBeam PLUS units, fish detected in the narrow center beam are shown as shaded symbols, and fish detected in the wider beam are shown as hollow symbols. Fish Symbol: A Fish Symbol is the graphic that is displayed on the screen when Fish ID+ determines that a sonar return is likely to be a fish. See Fish ID+. Freeze Frame: Freeze Frame is a Humminbird feature that pauses the sonar scrolling so that the image on screen can be studied with greater detail. See Instant Image Update. Frequency: Frequency is a measure of the number of sound wave cycles per second of a sound impulse transmitted underwater. A typical frequency for fishfinders is 200 kHz, which offers a good balance of performance under many conditions. Lower frequencies, such as 50 kHz, are capable of penetrating to greater depths, but with less resolution. Higher frequencies, such as 455 kHz, offer greater resolution, but are limited in depth performance. Humminbird uses a variety of frequencies that are optimized for specific applications. Grayscale: Grayscale is the use of varying shades of gray to represent the strength of the sonar signal on the display , and is a very intuitive method of presenting information. Traditionally, the strongest sonar signals are represented in black, and progressively weaker signals are represented in progressively lighter shades of gray.

Grayscale, Inverse: Inverse Grayscale is a Humminbird feature that reverses the correlation of sonar signal strength and the shade of gray typically used to represent it. The strongest sonar signals are represented by "white", and progressively weaker signals are represented in progressively darker shades of gray. While somewhat counter-intuitive, this method makes the sonar images crisper, and has the benefit of enhancing the apparent sensitivity because the weaker signals appear bolder. Inverse grayscale works well in very clear water. Debris-laden water often appears as a lot of clutter on the screen. Instant Image Update: Instant Image Update is a Humminbird feature that updates all the sonar information on the display when Sensitivity and a variety of sonar settings (Bottom View, Range, etc.) are modified. This differs from the traditional functionality that only updates the new sonar information collected after the setting change. Instant Image Update permits more accurate fine-tuning of the display because the user can see the results on the complete sonar graph. When combined with the Freeze Frame feature, the user can adjust and understand the effects of many different sonar settings quickly and easily. Maximum Depth Menu: The Maximum Depth Menu is a Humminbird feature that optimizes performance based on the maximum operational depth set by the user. Many Humminbird units can operate across a very broad depth range (up to 2500 feet) which causes the unit to "look" up to that full depth under some circumstances. Due to the speed of sound in water, this can result in less responsiveness because the unit has to wait for a longer period of time to receive the sonar signal. When the Maximum Depth menu is set to a lower value, the unit only looks up to the setting, which increases the responsiveness of the unit. This is an important feature for anyone operating in shallower depths! Noise: Noise is unintentional, external sound waves that interfere with the optimal operation of sonar. Noise appears as random "dots" on the display, and is caused by a variety of sources. Electrical noise (from trolling motors, bilge pumps, VHF radios) typically manifests as a consistent dot pattern. Electrical noise can be isolated by selectively turning on and off other electrical devices to determine the source. Often re-routing the power cable, or connecting to an alternative power supply (second battery) can help overcome electrical noise. Hydrodynamic noise (from propeller and/or hull cavitation) has a more random appearance and is generally related to boat speed, so that faster operation results in more noise.

Sensitivity: Sensitivity is a user feature that adjusts the sensitivity of the sonar system to show more or less detail in the water. Higher sensitivities are often preferred, however, when the water contains debris (silt, storm debris, etc.) and it can be difficult to pick out targets. Conversely, if sensitivity is set too low, relevant targets may be missed. SONAR: SONAR is the acronym for SOund and NAvigation Ranging. Sonar technology uses precision sound bursts transmitted underwater to determine the distance and other attributes of objects in the water. Distance can be determined because the speed of sound in water is constant, and the time for the signal to return is measured. Sound also travels very quickly underwater, making sonar a responsive, cost-effective tool. Sonar is the basic technology behind all recreational and commercial fishfinding and depthfinding devices. Sonar Echo Enhancement: Sonar Echo Enhancement is a Humminbird feature that describes the high degree of sonar sensitivity achieved through a combination of transmitter/receiver and software algorithms. The result of Sonar Echo Enhancement is to display virtually everything in the water that is of interest to the angler, including bait fish, game fish, thermoclines, weed beds, subtle structure, and more. Sonar Update Rate: Sonar Update Rate is the number of times per second that the transmitter/receiver sends and receives sonar signals. A very fast sonar update rate collects more information and provides a more detailed image of the bottom, fish and structure. Many Humminbird units operate at up to 40 times per second when in single frequency operation. Due to the limitation of the speed of sound in water, the update rate begins to slow as depth increases to deeper than 50 feet. In very shallow water (less than 10 feet), however, update rates as much as 60 times per second can be achieved. Speed: Speed is the rate at which the boat moves through the water. Boat speed can be measured as Speed Over Ground or Speed Through Water. Speed Over Ground is provided by GPS, and is the measurement of the boats progress across a given distance. Speed Through Water is provided by a speed paddlewheel, and is the measurement of the flow past the boat, which may vary depending on current speed and direction. Speed Through Water is most critical for anglers using downriggers, as it impacts the running depth of the down riggers. Speed Over Ground is optimal for navigation, as accurate destination times can be derived from this measurement. Humminbird products allow for input and display of both sources.

Structure: Structure is a general term for objects on the bottom that present a discontinuity and are a likely attractor for fish. This includes bottom contour features (drop-offs, humps, and holes), standing structure (stumps, timbers, brush piles) and a wide range of other potential objects (sunken boats, reefs). Humminbird units excel at showing structure with great detail over a wider area due to unique sonar configurations developed for the angler. Structure ID: Structure ID is a Humminbird feature that describes the traditional grayscale method of presenting sonar information. See Grayscale. Surface Clutter: Surface Clutter is a phenomenon where sonar returns are reflected off of tiny objects near the surface of the water, including algae and even air bubbles. Typically, saltwater environments have significantly greater surface clutter than freshwater due to continuous wind and wave action that causes aeration at the surface. The Surface Clutter menu provides manual control to bias the default settings under extreme conditions. Target Separation: Target Separation is the measurement of minimum distance that a fishfinder needs to be able to recognize two very close objects as two distinct targets (i.e. two fish hanging very close, or a fish hanging very close to structure). Humminbird fishfinders provide a very good 2 1/2 inches of target separation in shallower than 100 feet of depth. Target separation decreases as depth increases due to the need for longer Pulse Width to achieve greater depth. See Pulse Width. Thermoclines: Thermoclines are water layer(s) of distinctly different temperatures that create a sonar reflection due to the density of the differing water temperatures. Typically a thermocline will appear as a continuous band across the display at some distance above the bottom contour. Thermoclines are of interest to anglers because fish will suspend above or below the thermocline as they seek the optimum temperature and oxygen levels. Time Variable Gain: Time Variable Gain is a processing step applied to the sonar return to "normalize" the data so that objects of equal size (i.e. fish) appear to be the same size, even if they are separated by a good distance. Time Variable Gain is a fundamental attribute of good sonar, but is often promoted as a feature. Total Screen Update: A Humminbird feature that refreshes and updates all the sonar information on the display when a range change occurs. Without Total Screen Update, only the most recent sonar information would be drawn to the

Notes:

Contact Humminbird
Contact the Humminbird Customer Resource Center in any of the following ways: By Telephone: (Monday - Friday 8:00 a.m. to 4:30 p.m. Central Standard Time): 1-800-633-1468 By e-mail: (typically we respond to your e-mail within three business days): cservice@johnsonoutdoors.com For direct shipping, our address is: Humminbird Service Department 678 Humminbird Lane Eufaula, AL 36027 USA

 

Technical specifications

General
Product TypeFishfinder - included transducer : XNT-9-20-T
Width7 in
Depth4 in
Height7 in
Sonar
FeaturesSonar echo enhancement, Selective Fish ID+
Transducer
Transducer TypeDual-beam
Transducer MountTransom, in-hull
Maximum Depth800 ft
Target Separation2.5 in
Beamwidth20/60 degrees
Operating Frequency83/200 kHz
Power Output (Peak to Peak)2000 W
Power Output (RMS)250 W
Transducer FeaturesBuilt-in temperature sensor
Built-in Display
TypeFSTN
Resolution640 x 320
Display Diagonal5"
Color SupportMonochrome
Color Depth12-level grayscale
Display IlluminationYes
FeaturesSplit screen zoom, Real Time Sonar (RTS) window
Power
Low Voltage PowerDC 10 - 20 V
Miscellaneous
WaterproofYes
Universal Product Identifiers
BrandHumminbird
Part Number405990-1
GTIN00082324027079, 00823240270794

 

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DRC8295N IS60V Inspiron 9400 Partner 321 LP-8700 YP-S2QG Iaudio U2 Gps Avalon QY300 CDE-7826E Yamaha Neos BDZ-T55 AJ3916 GXV3000 Datatrak BS900 SA-PM01 DFH725 SGH-D500E CDX-R5610 MDR-EX85LP RMB-1066 RR-US395 Server LE22B457c6H Fostex R8 E-510 HC3200 SHR-2040P-GAR FQ159STR BWT XRS 9430 Uniden BCT8 4000 W 2 00 FO 3150 PL-Z91 Inspiron 6000 Wiffle Ball Servers XM-405EQX CQ-C1400N 37ga6E C1900 Beta 10 R1801 Decker 1000 SGH-C207L Futura 4020 RX-DT30 Premium 40 Sentra-2003 LC32AF1E 2 0 Singer 1120 HTC HD2 DVD-P249M XB12SS 152E N SDV-P7 NVX-DV609 IP1500 Microsoft Xbox Itid70 LG Wave TE6-S AEG-electrolux 2115 RDR-HXD870 Workshop 7 LE40A336j1C Roland GW-8 1 0E 75180501 LF-D7150 6EX-2 4GHZ Colorado 300 19 E Ford Edge FR-2LE Series II NN-E273sbbpq RS-1500US R-933 DVP3350V-19 Pantech C300 TNS410 Timex W-10 Nokia 330 M228WDP-BZJ AVR 320 AVR-1910 TRU9485 Later LMS-334C Igps GX240 LE46C750 Gr-d72 Soundstream SVX2 NP-R480-js01 DI850 UM Manual Rocktron GAP1

 

manuel d'instructions, Guide de l'utilisateur | Manual de instrucciones, Instrucciones de uso | Bedienungsanleitung, Bedienungsanleitung | Manual de Instruções, guia do usuário | инструкция | návod na použitie, Užívateľská príručka, návod k použití | bruksanvisningen | instrukcja, podręcznik użytkownika | kullanım kılavuzu, Kullanım | kézikönyv, használati útmutató | manuale di istruzioni, istruzioni d'uso | handleiding, gebruikershandleiding

 

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