Humminbird Fish Finder 561 User Manual

550, 560, 561, 570, and 570 DI

Operations Manual

531716-4EN_A

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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.

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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.

ATTENTION INTERNATIONAL CUSTOMERS: Products sold in the U.S. are not

intended for use in the international market. Humminbird® international units provide

international features and are designed to meet country and regional regulations.

Languages, maps, time zones, units of measurement, and warranty are examples of

features that are customized for Humminbird® international units purchased through

our authorized international distributors.

To obtain a list of authorized international distributors, please visit our Web site at

humminbird.com or contact our Customer Resource Center at (334) 687-6613.

500 Series™, Down Imaging™, DualBeam PLUS™, Fish ID+™, Humminbird®, RTS™,

RTS Window™, Structure ID®, SwitchFire™, WhiteLine™, and X-Press™ Menu are trademarked

by or registered trademarks of Humminbird®.

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Table of Contents

Power On

How Sonar Works

Single Beam Sonar (550, 560) .................................................................................... 4

DualBeam Sonar (570)................................................................................................ 5

DualBeam PLUS™ Sonar (561)....................................................................................5

Down Imaging™ Sonar (570 DI).................................................................................. 6

What’s on the Sonar Display

Understanding the Sonar Display ............................................................................ 9

Real Time Sonar (RTS™) Window ............................................................................ 9

SwitchFire™ ............................................................................................................ 10

Freeze Frame and Active Cursor.............................................................................. 10

Instant Image Update.............................................................................................. 10

Bottom Presentation................................................................................................ 11

What’s on the Down Imaging™ Display

(Down Imaging™ models only [570 DI])

Understanding the Down Imaging™ Display ........................................................ 15

Interpreting the Display .......................................................................................... 15

Down Imaging™ Sensitivity.................................................................................... 16

Freeze Frame and Active Cursor.............................................................................. 16

Views

Sonar View .............................................................................................................. 19

Sonar Zoom View .................................................................................................... 20

Split Sonar View (DualBeam PLUS™ and Down Imaging™ models only [561, 570 DI])...... 21

Big Digits View ........................................................................................................ 22

Down Imaging™ View (Down Imaging™ models only [570 DI]).................................... 23

Down Imaging™/Sonar Combo View (Down Imaging™ models only [570 DI])............ 24

What's on the 500 Series™ Control Head

Key Functions

POWER/LIGHT Key .................................................................................................. 26

VIEW Key.................................................................................................................. 27

MENU Key................................................................................................................ 27

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Table of Contents

4-WAY Cursor Control Key (LEFT, RIGHT, UP, or DOWN Cursor keys) .......................... 28

EXIT Key.................................................................................................................. 28

The Menu System

Start-Up Options Menu

Normal.................................................................................................................... 30

Simulator................................................................................................................ 31

System Status........................................................................................................ 31

Self Test.................................................................................................................. 32

Accessory Test........................................................................................................ 32

X-Press™ Menu

Main Menu

Quick Tips for the Main Menu .................................................................................. 35

Note for all Menu Settings .......................................................................................... 35

User Mode (Normal or Advanced) .............................................................................. 36

Sonar X-Press™ Menu (Sonar Views only)

Sensitivity .............................................................................................................. 39

Upper Range (Advanced: Sonar and Big Digits Views only) .......................................... 40

Lower Range.......................................................................................................... 40

Chart Speed .......................................................................................................... 41

Bottom View .......................................................................................................... 41

Zoom Level (Sonar Zoom View only) .......................................................................... 41

Down Imaging™ X-Press™ Menu (Down Imaging™ Views only [570 DI])

Imaging Sensitivity ................................................................................................ 43

Upper Range (Advanced) ........................................................................................ 43

Lower Range.......................................................................................................... 44

Chart Speed .......................................................................................................... 45

Imaging Palette (Down Imaging™ Views only [570 DI]) .............................................. 45

Alarms Menu Tab

Depth Alarm .......................................................................................................... 47

Fish ID Alarm.......................................................................................................... 47

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Table of Contents

Low Battery Alarm .................................................................................................. 47

Temp. Alarm ............................................................................................................ 48

Alarm Tone .............................................................................................................. 48

Sonar Menu Tab

Beam Select (561 and 570 DI only).............................................................................. 50

Imaging Frequency (Down Imaging™ Views only [570 DI]) .......................................... 52

Surface Clutter ........................................................................................................ 53

SwitchFire™ ............................................................................................................ 53

Fish ID+™ ................................................................................................................ 54

Fish ID Sensitivity .................................................................................................... 55

Real Time Sonar (RTS™) Window .......................................................................... 55

Zoom Width.............................................................................................................. 56

83 kHz Sensitivity (Advanced, DualBeam PLUS™ Sonar only [561]) .............................. 56

455 kHz Sensitivity (Advanced, Down Imaging™ only [570 DI]) .................................... 56

Depth Lines (Advanced) ............................................................................................ 57

Noise Filter (Advanced) .............................................................................................. 57

Max Depth (Advanced) .............................................................................................. 58

Water Type (Advanced) .............................................................................................. 58

Imaging Palette (Down Imaging™ Views only [570 DI]) ................................................ 58

Setup Menu Tab

Units - Depth............................................................................................................ 60

Units - Temp (International models only) .................................................................... 60

Units - Distance (with Temp/Speed only) .................................................................... 60

Units - Speed (with Temp/Speed only) ........................................................................ 60

User Mode................................................................................................................ 61

Language (International models only) .......................................................................... 61

Triplog Reset (with Temp/Speed only).......................................................................... 61

Restore Defaults ...................................................................................................... 61

Select Views (Advanced)............................................................................................ 62

Select Readouts (Advanced, Sonar View and Down Imaging™ View only) .................... 62

Depth Offset (Advanced)............................................................................................ 63

Temp. Offset (Advanced)............................................................................................ 63

iii

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Table of Contents

Speed Calibration (Advanced, with Temp/Speed only) .............................................. 64

Digits Format (Advanced) ........................................................................................ 64

Demonstration........................................................................................................ 64

Sound Control ........................................................................................................ 64

Troubleshooting

Fishfinder Doesn’t Power Up ................................................................................ 65

Fishfinder System Defaults to Simulator with a Transducer Attached .............. 65

Display Problems .................................................................................................. 66

Finding the Cause of Noise .................................................................................. 67

500 Series™ Fishfinder Accessories

Specifications

Glossary

Contact Humminbird®

NOTE: Entries in this Table of Contents which list (International models only) are

only available on products sold outside of the U.S. by our authorized international

distributors. To obtain a list of authorized international distributors, please visit

our Web site at humminbird.com or contact our Customer Resource Center at

(334) 687-6613.

NOTE: Entries in this Table of Contents which list (with Temp/Speed only) require

the purchase of separate accessories. You can visit our Web site at

humminbird.com to order these accessories online or contact our Customer

Resource Center at 1-800-633-1468.

NOTE: Some features discussed in this manual require a separate purchase, and

some features are only available on international models. Every effort has been

made to clearly identify those features. Please read the manual carefully in order

to understand the full capabilities of your model.

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Power On

Follow the instructions below to power on your Humminbird® control head.

570 Title Screen

1. Press the

POWER/LIGHT key.

2. When the Title screen is displayed, press the MENU key to access the

Start-Up Options Menu.

3. Use the 4-WAY Cursor Control key to select Normal (if there is a

transducer attached to the control head) or Simulator (if there isn’t a

transducer attached to the control head).

NOTE: See Start-Up Options Menu for more information.

• If a functioning transducer is connected, Normal operation will be

selected automatically at power up, and your Fishfinder can be

used on the water.

• If a transducer is not connected and you wait too long to select a

Start-Up Option, the system will default to whichever menu is

already highlighted.

• In Simulator you can learn how to use your control head and save

settings in advance for later use.

Power On

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How Sonar Works

Sonar technology is based on sound waves. The 500 Series™ Fishfinder uses

sonar to locate and define structure, bottom contour and composition, as well

as depth directly below the transducer.

Your 500 Series™ Fishfinder sends a sound wave signal and determines

distance by measuring the time between the transmission of the sound wave

and when the sound wave is reflected off of an object; it then uses the reflected

signal to interpret location, size, and composition of an object.

Sonar is very fast. A sound wave can travel from the surface to a depth of

240 ft (70 m) and back again in less than 1/4 of a second. It is unlikely that your

boat can “outrun“ this sonar signal.

SONAR is an acronym for SOund and

NAvigation Ranging. Sonar uses precision

sound pulses or “pings“ which are emitted

into the water in a teardrop-shaped beam.

The sound pulses “echo“ back from objects

in the water such as the bottom, fish, and

other submerged objects. The returned

echoes are displayed on the LCD screen.

Each time a new echo is received, the old

echoes are moved across the LCD, creating

a scrolling effect.

How Sonar Works

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When all the echoes are viewed side by side, an

easy to interpret “graph“ of the bottom, fish, and

structure appears.

The sound pulses are transmitted at various

frequencies depending on the application. Very

high frequencies (455 kHz) are used for greatest

definition but the operating depth is limited. High

frequencies (200 kHz) are commonly used on

consumer sonar and provide a good balance

between depth performance and resolution. Low

frequencies (83 kHz) are typically used to achieve

greater depth capability.

The power output is the amount of energy

generated by the sonar transmitter. It is commonly

measured using two methods:

• Root Mean Square (RMS) measures power

output over the entire transmit cycle.

• Peak to Peak measures power output at the

highest points.

The benefits of increased power output are the

ability to detect smaller targets at greater distances,

ability to overcome noise, better high speed

performance, and enhanced depth capability.

How Sonar Works

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Single Beam Sonar

(550, 560)

The 550 Fishfinder and 560 Fishfinder use a

200 kHz single beam sonar system with a 20°

area of coverage. Depth capability is affected by

such factors as boat speed, wave action, bottom

hardness, water conditions, and transducer

installation.

How Sonar Works

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DualBeam Sonar (570)

The 570 Fishfinder uses a 200/83 kHz

DualBeam sonar system with a wide (60°) area

of coverage. DualBeam sonar is optimized to

show the greatest bottom definition using a

narrow (20°) beam, yet can still indicate fish

found in the wide (60°) beam when the

Fish ID+™ feature is turned on. DualBeam is

ideal for a wide range of conditions - from

shallow to very deep water in both fresh and

salt water. Depth capability is affected by such

factors as boat speed, wave action, bottom

hardness, water conditions, and transducer

installation.

DualBeam PLUS™ Sonar (561)

The 561 Fishfinder uses a 200/83 kHz

DualBeam PLUS™ sonar system with a wide

(60°) area of coverage. DualBeam PLUS™ sonar

has a narrowly focused 20° center beam,

surrounded by a second beam of 60°, expanding

your coverage to an area equal to your depth. In

20 feet of water, the wider beam covers an area

20 feet wide.

DualBeam PLUS™ sonar returns can be blended

together, viewed separately, or compared side-

by-side. DualBeam PLUS™ is ideal for a wide

range of conditions - from shallow to very deep

water in both fresh and salt water. Depth

capability is affected by such factors as boat

speed, wave action, bottom hardness, water

conditions, and transducer installation.

How Sonar Works

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Down Imaging™ Sonar (570 DI)

The 570 DI Fishfinder uses Down Imaging™

technology. The Down Imaging™ transducer

scans the water with razor-thin, high-

definition beams. The beams are wide (side

to side) but very thin front to back.

800kHz

45°

75°

455kHz

The Down Imaging™ beams can be operated

at two frequencies: 455 kHz (75°) or 800 kHz

(45°). Select 455 kHz for the best overall

image quality and depth. Select 800 kHz for

the sharpest image. See Down Imaging™

X-Press™ Menu: Imaging Frequency for more

information.

16°

455kHz

25°

200kHz

75 Degree Total Coverage

The transducer also uses conical beams to

provide data in traditional 2D format (see

What’s on the Sonar Display). Select 455

kHz for a narrowly focused 16° center beam,

or select 200 kHz for a wider 25° beam (see

Sonar Menu Tab: Beam Select).

Depth capability is affected by such factors

as boat speed, wave action, bottom hardness,

water conditions, and transducer installation.

How Sonar Works

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What’s on the Sonar Display

The 500 Series™ Fishfinder can display a variety of useful information about

Depth - (water depth) can be set to alarm when

the water becomes too shallow.

Temperature - Water surface temperature.

Timer

Elapsed time with Temp/Speed

Accessory.

Distance - Distance traveled with Temp/Speed

Accessory.

Average Speed - Average speed reading with

Temp/Speed Accessory.

Second Sonar Return - When the sonar signal

bouncesbetweenthebottomandthesurfaceofthe

water and back again. Use the appearance of the

second return to determine bottom hardness. Hard

bottomswillshowastrongsecondreturn,whilesoft

bottoms will show a very weak one or none at all.

Speed - If a Temp/Speed accessory is attached,

the Fishfinder can display the speed of the boat

and can keep a Triplog of nautical or statute

miles traveled.

NOTE: Entries in this view that list (with Temp/Speed) are available if the accessory is connected

What’s on the Sonar Display

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the area under your boat, including the following items:

Bait Ball

Hollow Fish Symbol (see Fish ID+™)

Thermoclines - Layers of water with different

temperatures that appear at different depths

and different times of the year. A thermocline

typically appears as a continuous band of gray

levels moving across the display at the same

depth.

Structure - Where fish may be hiding.

Fish - The Fishfinder displays fish as arches

and/or fish icons, and can be set to alarm

when a fish of a certain size is detected.

When a target is detected, a Fish ID+™

symbol appears on the display with the

depth displayed above it. The size of the

symbol indicates the intensity of the sonar

return. The unit will clearly show schools of

Bait Fish as "clouds" of different shapes and

sizes, depending on the number of fish and

boat speed.

Shaded Fish Symbol (see Fish ID+™)

RTS (Real Time Sonar) Window™

Battery Voltage - The voltage of the boat’s

battery; can be set to alarm if the voltage falls

below a certain point.

to the 500 Series™ Fishfinder.

What’s on the Sonar Display

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Understanding the Sonar Display

It is important to understand the significance of

the display. The display does not show a literal

3-dimensional representation of what is under the

water. Each vertical band of data received by the

control head and plotted on the display represents

something that was detected by a sonar return at

a particular time. As both the boat and the targets

(fish) may be moving, the returns are only showing

a particular segment of time when objects were

detected, not exactly where those objects are in

relation to other objects shown on the display.

The returned sonar echoes are displayed on the screen. As a new echo is

received, the historical data scrolls left across the view.

Real Time Sonar (RTS™) Window

A Real Time Sonar (RTS™) Window appears on the right side of the display in

the Sonar View only. The RTS Window™ updates at the fastest rate possible for

depth conditions and shows only the returns from the bottom, structure, and

fish that are within the transducer beam. The RTS Window™ plots the depth

and intensity of a sonar return (see Sonar Menu Tab: RTS Window™).

The Narrow RTS Window™

indicates the sonar intensity

through the use of grayscale.

The grayscale used matches

the Bottom View grayscale

The Wide RTS Window™

indicates the sonar intensity

through the use of a bar

graph. The length of the

plotted return indicates

whether the return is weak or

strong. The depth of the sonar

return is indicated by the

vertical placement of the

return on the display depth

scale. The Wide RTS

Window™ does not use

grayscale.

setting (Inverse, Structure ID

®,

WhiteLine™, Bottom Black).

The depth of the sonar return

is indicated by the vertical

placementofthereturn onthe

display depth scale.

What’s on the Sonar Display

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SwitchFire™

SwitchFire™ controls how the sonar returns are displayed in the Sonar Views.

SwitchFire™ settings are available in the Sonar Menu Tab.

To see the maximum sonar information available within the transducer beam so

more fish arches and better jig tracking are shown, choose Max Mode.

To see less clutter and more fish size accuracy interpreted from the transducer

beam, choose Clear Mode. See Sonar Menu Tab: SwitchFire™ for more

information.

Freeze Frame and Active Cursor

Freeze Frame and Active Cursor - Press any arrow on the 4-WAY Cursor

Control key, and the screen will freeze and a cursor will be displayed. Use the

4-WAY Cursor Control key to move the cursor over a sonar return, and the depth

of the sonar return will be displayed in the cursor dialog box.

The RTS Window™ continues to update in Freeze Frame. To return to a scrolling

display and exit Freeze Frame, press the EXIT key. Freeze Frame is available in

the Sonar, Split Sonar, and Sonar Zoom Views.

Instant Image Update

Instant Image Update - You can change a variety of sonar menu settings (such

as Sensitivity or Upper Range), and the adjustments will be shown instantly on

the screen.

What’s on the Sonar Display

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Bottom Presentation

As the boat moves, the unit charts the changes in depth on the display to create

a profile of the Bottom Contour. The type of bottom can be determined from

the return charted on the display. A Hard Bottom such as compacted sediment

or flat rock appears as a thinner line across the display. A Soft Bottom such as

mud or sand appears as a thicker line across the display. Rocky Bottoms have

a broken, random appearance.

Bottom Contour Profile with RTS Window™

Hard Bottom

Soft Bottom

Rocky Bottom

The sonar returns from the bottom, structure, and fish can be represented as

Inverse, Structure ID®, WhiteLine™, or Black (Bottom Black). See Sonar

X-Press™ Menu: Bottom View to set the Bottom View.

What’s on the Sonar Display

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Inverse is a method where weak returns are

shown with dark pixels and strong returns with

lighter pixels. This has the benefit of ensuring that

weak signals will be clearly visible on the display.

Structure ID® represents weak returns as light

pixels and strong returns as dark pixels. This has

the benefit of ensuring that strong returns will be

clearly visible on the display.

WhiteLine™ highlights the strongest sonar returns

in white resulting in a distinctive outline. This has

the benefit of clearly defining the bottom on the

display.

Black (Bottom Black) displays all pixels below the

bottom contour as black, regardless of signal

strength. This has the benefit of providing a high

contrast between the bottom and other sonar

returns on the display.

What’s on the Sonar Display

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What’s on the Down Imaging™ Display

Down Imaging™ uses its unique transducer and sonar technology to provide

profiling beams produce the detailed sonar data that you see on the display.

interpret the structure and bottom contour, including the following items:

Depth - (water depth) can be set to alarm when

the water becomes too shallow.

Temperature - Water surface temperature.

Topography Changes - The light part of the

display shows where the beam is hitting hard

bottom or rising terrain. The dark part of the

display indicates soft bottom (sand, mud) or

descending terrain.

Speed - If a Temp/Speed accessory is connected,

the Fishfinder can display the speed of the boat

and can keep a Triplog of nautical or statute

miles traveled.

NOTE: Entries in this view that list (with Temp/Speed) are available if the accessory is connected

What’s on the Down Imaging™ Display

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(Down Imaging™ models only [570 DI])

information about the area directly below your boat. The razor-thin, high-definition

Down Imaging™ reveals a variety of recognizable features so that you can

Upper Range

Structure

Clouded Area may indicate a bait ball and

White Streaks may indicate fish.

Shadows- Result from a lack of reflected

sonar from a particular area and can be as

valuable for interpretation than the sonar

reflected by the object itself. Use shadows to

help you see the image in 3 dimensions,

oriented in space. You can gain insight into

the actual shape of an object, or the depth

to which it has sunk into the bottom,

through shadows on the display. Objects

standing on the bottom cast a sonar

shadow. The longer the shadow, the taller

the object. Fish also cast shadows. You can

use the shadow to interpret how close the

fish is to the bottom.

Bottom Return - Use the appearance of the

bottom return to determine bottom hardness.

Rock and gravel provide a clearer sonar

return than mud and sand because hard

objects reflect sonar better than soft objects.

Lower Range

to the 500 Series™ Fishfinder.

What’s on the Down Imaging™ Display

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Understanding the

Down Imaging™ Display

The images you see on the Down Imaging™

display are produced using sonar technology.

Each time the unit pings, a strip of data

representing all the echoes received by the

transducer are put together on the display to

form the image that you see. Like traditional

2D Sonar, the sonar history scrolls left across

the screen.

Interpreting the Display

Down Imaging™ beams “illuminate” the bottom contour, structure, and fish.

The beams are wide (side to side) but very thin front to back.

Use the light and dark parts of the display to interpret the objects under your

boat as follows:

• Dark shades represent soft returns (mud, sand) or descending terrain.

• Light shades represent denser terrain (timber, rocks) or rising terrain. A

very hard bottom may appear as white on the display.

• White Streaks or Clouds may represent fish on the display.

• Shadows are not caused by light but by the lack of a sonar return.

Objects standing on the bottom cause a sonar shadow to appear on the

display. The longer the shadow, the taller the object. Fish may also cast

shadows. You can use the shadow to interpret where the fish or object

is located in relation to the bottom.

What’s on the Down Imaging™ Display

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Down Imaging™ Sensitivity

Use Imaging Sensitivity to control how the sonar returns appear on the

display. Increase the sensitivity to reveal weaker returns that may be of interest,

especially in very clear water or greater depths. Decrease the Imaging

Sensitivity to eliminate the clutter from the display that is sometimes present

in murky or muddy water. See Down Imaging™ X-Press™ Menu: Imaging

Sensitivity or Down Imaging™ Sensitivity for more information.

Freeze Frame and Active Cursor

Freeze Frame and Active Cursor - Press any arrow on the 4-WAY Cursor

Control key, and the screen will freeze and a cursor will be displayed. Use the

4-WAY Cursor Control key to move the cursor over a sonar return, and the depth

of the sonar return will be displayed in the cursor dialog box.

What’s on the Down Imaging™ Display

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Views

The sonar information from your Fishfinder is

displayed on the screen in a variety of easy-to-read

views. There are many views available on your

Fishfinder.

• Default View: When you first power up the 550, 560, 561, or 570 control

head, Sonar View will be the default view. When you first power up the

570 DI control head, Down Imaging™ View will be the default view.

• Cycle: When you press the VIEW key repeatedly, the display cycles

through the available views on your screen. When you press the EXIT

key, the display cycles through the available views in reverse order.

• Customize: You can display or hide any view to suit your fishing

preferences. See the following pages for more information about each

View.

NOTE: When you change any menu settings that affect the sonar, the view will update

immediately. You don't have to exit the menu to apply the change to the screen.

Views

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To customize your view rotation:

You can choose which views are hidden or visible in your view rotation.

1. Press the MENU key twice to access the tabbed Main Menu, then

press the RIGHT Cursor key until the Setup tab is selected.

2. Press the DOWN Cursor key to highlight Select Views, and press the

RIGHT Cursor key to access the Select Views submenu.

3. Press the UP or DOWN Cursor keys to select a View.

4. Press the LEFT or RIGHT Cursor keys to change the status of the view

from Hidden to Visible or vice versa.

NOTE: If the Select Views option does not appear under the Setup tab, change the

User Mode to Advanced.

To change the Digital Readouts:

Each view displays digital readout information (such as speed or time), which

varies with the view selected and the accessory attached. The digital readouts

on the Sonar View can be customized. See Setup Menu Tab: Select Readouts

for more information.

1. Press the MENU key twice to access the tabbed Main Menu, then

press the RIGHT Cursor key until the Setup tab is selected.

2. Press the DOWN Cursor key to highlight Select Readouts, and press the

RIGHT Cursor key to access the Select Readouts submenu.

NOTE: If the Select Readouts option does not appear under the Setup tab, change the

User Mode to Advanced.

3. Press the UP or DOWN Cursor keys to select a Readout position, then

press the RIGHT or LEFT Cursor keys to choose what will be displayed in

that position. To hide the data window, select Off.

Views

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Sonar View

Sonar View presents a historical log of sonar returns. The most recent sonar

returns are charted on the right side of the display. As new information is

received, the historical information scrolls left across the display.

• Upper and Lower Depth Range numbers indicate the distance from the

surface of the water to a depth range sufficient to show the bottom.

• Depth is automatically selected to keep the bottom visible on the display,

although you can adjust it manually as well (see Sonar X-Press™ Menu).

• Digital Readouts shown on the display will change based on the Select

Readouts settings or the optional-purchase accessories attached (see

Setup Menu Tab: Select Readouts).

• Freeze Frame - Use the 4-WAY Cursor Control key to freeze the display

and move the cursor over a sonar return. The depth of the sonar return

will be displayed at the bottom of the screen in the cursor information

box.

Sonar View

Upper Depth

Range

Depth

Temperature

Triplog

Sonar History

Window

RTS Window™

Lower Depth

Range

Speed

NOTE: If the Depth number is flashing, it means that the unit is having trouble locating

the bottom. This usually happens if the water is too deep, the transducer is out of the

water, the boat is moving too fast, or for any other reason that the unit can’t accurately

receive continuous data.

Views

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Sonar Zoom View

Sonar Zoom View provides a magnified view of the bottom and structure. The

Sonar Zoom View makes it easier to see separate sonar returns that would

usually be displayed close together, such as those caused by fish suspended

close to the bottom or within structure.

• The Zoom Level, or magnification, is displayed in the lower left corner

of the display. Press the MENU key once to access the Sonar X-Press™

Menu and use Zoom Level to adjust the zoom settings.

• The Zoomed View is displayed on the left side of the screen. As the

depth changes, the zoomed view updates automatically.

• The Full Range View is displayed on the right side of the screen. The

Full Range View includes the Zoom Preview Box, which shows where

the zoomed view is in relation to the full range view.

• The Upper and Lower Depth Range numbers indicate the high and low

range of the water which is being viewed.

Sonar Zoom View

Upper Depth Range,

Full Range View

Depth

Upper Depth Range,

Zoom View

Zoomed View

Full Range View

Zoom Preview Box

Lower Depth Range,

Zoom View

Lower Depth Range,

Full Range View

Zoom Level

Digital depth is displayed in the upper left hand corner. The

digital readouts in the Sonar Zoom View cannot be

customized; therefore, information such as water temperature

and voltage are unavailable in the Sonar Zoom View.

Views

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Split Sonar View

(DualBeam PLUS™ and Down Imaging™ models only [561, 570 DI])

Split Sonar View displays sonar returns from each down beam frequency on

separate sides of the screen. You can use the Split Sonar View to make side by

side comparisons between the sonar returns from both beams.

• DualBeam PLUS™ models (561) display sonar returns from the 83 kHz

wide beam on the left side of the screen and sonar returns from the

200 kHz narrow beam on the right side of the screen.

• Down Imaging™ models (570 DI) display sonar returns from the

455 kHz narrow beam on the left side of the screen and sonar returns

from the 200 kHz wide beam on the right side of the screen.

• Depth is displayed in the upper left hand corner.

• 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.

455 kHz/200 kHz Split Sonar View

Upper Depth

Depth

Range

200 kHz Sonar

History Window

455 kHz Sonar

History Window

Lower Depth

Range

Views

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Big Digits View

Big Digits View provides digital data in a large, easy-to-see format.

• Digital Readouts: Depth is always displayed. Readouts for temperature,

speed, and Triplog information are displayed automatically if the

appropriate accessory is connected to the Fishfinder.

NOTE: The digital readouts in the Big Digits View cannot be customized.

• The Triplog shows distance traveled, average speed, and time elapsed

since the Triplog was last reset.

Big Digits View

Timer shows the

time elapsed since Triplog

was last reset

Depth

Distance is the distance

traveled since the Triplog

was last reset

Temperature

Speed

Voltage displays

the battery voltage

Average Speed shows the

speed since the Triplog

was last reset

Views

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Down Imaging™ View (Down Imaging™ models only [570 DI])

Down Imaging™ View uses the razor-thin, high-definition profiling beams to

produce the detailed sonar data that you see on the display. Sonar returns are

charted on the right side of the display. As new information is received, the

historical information scrolls left across the display. See What’s on the Down

Imaging™ Display for more information.

• Down Imaging™ X-Press™ Menu: Press the MENU key once to access

the Down Imaging™ X-Press™ Menu. You can set the sensitivity of the

sonar, the chart scrolling speed, the display palette, and the Upper

Range and Lower Range (see Down Imaging™ X-Press™ Menu).

• Freeze Frame: Press any arrow on the 4-WAY Cursor Control key and the

Down Imaging™ View will freeze and a cursor will appear on the

screen. Use the 4-WAY Cursor Control key to move the cursor over a

sonar return. The depth of the sonar return at the cursor location will

be displayed in the cursor dialog box.

Down Imaging™ View

Upper Depth

Range

Depth

Temperature

Surface

Clutter

White Streaks

(possibly

vegetation or

fish)

Sonar History

Window

Lower Depth

Range

Speed

NOTE: See What’s on the Down Imaging™ Display and Down Imaging™

X-Press™ Menu for more information.

Views

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Down Imaging™/Sonar Combo View

(Down Imaging™ models only [570 DI])

Down Imaging™/Sonar Combo View shows traditional Sonar information on

the top and Down Imaging™ sonar information on the bottom of the view.

• X-Press™ Menu: Press the MENU key once to access the Down

Imaging™ X-Press™ Menu. You can set the sensitivity of the sonar , the

chart scrolling speed, and the display color palette (see Down

Imaging™ X-Press™ Menu and Sonar X-Press™ Menu).

• Freeze Frame: Press any arrow on the 4-WAY Cursor Control key and the

view will freeze and a cursor will appear on both views on the screen.

Use the 4-WAY Cursor Control key to move the cursor over a sonar

return, and the depth of the sonar return will be displayed in the cursor

dialog box.

Down Imaging™/Sonar Combo View

Upper Depth

Range

Depth

Traditional

Sonar

Window

Down

Imaging™

Sonar

Window

Lower Depth

Range

Views

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What’s on the 500 Series™ Control Head

Your 500 Series™ Fishfinder interface is easy to use. A combination of keys and

special features allows you to control what you see on the display. Refer to the

following illustration, and see Key Functions for more information.

Screen

MENU key

EXIT key

VIEW key

POWER/LIGHT key

4-WAY Cursor Control key

(LEFT, RIGHT, UP, or DOWN Cursor keys)

500 Series™ Control Head

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Key Functions

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 power the Fishfinder on and off.

You can also use the POWER/LIGHT key to adjust the backlight

and contrast of the display.

Power On: Press the POWER/LIGHT key to power on the unit. When the Title

screen is displayed, press the MENU key to access the Start-Up Options Menu.

Power Off: Press and hold the POWER/LIGHT key for 3 seconds. A message will

appear to indicate how many seconds there are until shutdown occurs. To

ensure that shutdown occurs properly and any menu settings will be saved,

your Fishfinder should always be turned off using the POWER/LIGHT key.

Adjust the Backlight or the Display Contrast:

Press the POWER/LIGHT key to access the Light

and Contrast submenu. Use the 4-WAY Cursor

Control 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

submenu.

NOTE: Your 500 Series™ Fishfinder will start up with the backlight on and will

automatically turn it off to conserve power.

Key Functions

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VIEW Key

The VIEW key is used to cycle through all available views. Press

the VIEW key to advance to the next view. Repeatedly pressing

VIEW cycles through all the available views. Views can be hidden

to optimize the system to your fishing requirements (see Views or Setup Menu:

Select Views).

NOTE: Press the EXIT key to cycle through the views in reverse order.

MENU Key

The MENU key is used to access the menu system. See The

Menu System for more information.

• Start-Up Options Menu: Press the MENU key during the power up

sequence to view the Start-Up Options menu.

• X-Press™ Menu: Press the MENU key once in any view to access the

X-Press™ Menu, which provides frequently-used menu settings that

correspond with the current view.

• Main Menu: Press the MENU key twice in any view to access the Main

Menu, which is organized under tabbed headings to help you find a

specific menu item quickly.

Key Functions

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4-WAY Cursor Control Key

(LEFT, RIGHT, UP, or DOWN Cursor keys)

Use the 4-WAY Cursor Control key to navigate the Menu System.

• Menu Selection: Press the DOWN or UP Cursor keys to highlight a

menu option, then press the RIGHT or LEFT Cursor keys to change a

menu setting. The changes will be activated and saved immediately.

• Freeze Frame: In Sonar View and Down Imaging™ View, press any

arrow on the 4-WAY Cursor Control key to freeze the display and move

the active cursor to a location on the screen. A cursor dialog box will

display to show the depth of the location you choose.

• Active Cursor: Press any arrow on the 4-WAY Cursor Control key, and

the active cursor will appear on the screen.

NOTE: In either Freeze Frame or Active Cursor mode, you can also make the cursor

move diagonally by pressing in between two of the arrows on the 4-WAY Cursor

Control key.

EXIT Key

The EXIT key has multiple functions, which depend on the situation:

• If an alarm is sounding, press the EXIT key to cancel the alarm.

• If a menu tab is selected, press the EXIT key to exit the menu mode and

return to the view.

• If a menu is active, press the EXIT key to return to the previous level in

the menu system.

• From any view, press the EXIT key to cycle through the available views

in reverse order.

• If Freeze Frame is active, press the EXIT key to return to a scrolling

display.

• If the Cursor is active, press the EXIT key to remove the cursor from the

display.

Key Functions

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The Menu System

The Menu System is divided into easy-to-use menu modules as follows:

• Start-Up Options Menu: Press the MENU key during the power on

sequence to view the Start-Up Options Menu. From the Start-Up

Options Menu, you can choose the following Fishfinder Modes:

Normal, Simulator, and System Status.

• X-Press™ Menu: The X-Press™ Menu provides a shortcut to the most

frequently-used settings, and the options on the X-Press™ Menu

correspond with the current view.

• Main Menu: The Main Menu is a standard set of menu settings which

are organized under the following tabbed headings: Alarms, Sonar, and

Setup.

NOTE: The X-Press™ Menu(s) and the Main Menu options can also be expanded or

simplified by setting the User Mode to Advanced or Normal (see Main Menu: User

Mode).

The Menu System

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Start-Up Options Menu

Press the MENU key during the power on sequence to view the Start-Up

Options Menu, and select one of the modes described on the following pages.

Also, see Power On for additional information.

Normal

Use Normal for on-the-water operation with a transducer connected. If a

functioning transducer is connected, Normal operation will be selected

automatically at power up, and your Fishfinder can be used on the water.

To exit Normal operation, power off your Fishfinder.

Start-Up Options Menu

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Simulator

Use Simulator to learn how to use your Fishfinder before taking your boat on the

water. The Simulator is a very powerful tool that provides a randomly-updated

display which simulates on the water operation.

Simulator

We recommend going through this

manual while using the Simulator,

since all of the menus function and

affect the display in the same way as

they would in Normal operation. Any

menu changes you make will be saved

for later use.

NOTE: It is important to select Simulator

manually from the Start-Up Options Menu as

opposed to letting the Fishfinder enter

Simulator automatically (as it will if a

transducer is not connected and you do

nothing during power up).

A message will appear often on the display to indicate Simulator mode.

To exit Simulator, power off your Fishfinder.

System Status

Use System Status to view system connections and to conduct a unit self-test.

After you select System Status from the Start-Up Options Menu, press the

VIEW key to display the following options:

• Self Test

• Accessory Test

To exit System Status, power off your Fishfinder.

Start-Up Options Menu

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Self Test displays results from the internal diagnostic self test, including unit

serial number, Printed Circuit Board (PCB) serial number, software revision,

total hours of operation, and the input voltage.

Self Test Screen

Accessory Test lists the accessories connected to the system.

System Status Accessory Test Screen

NOTE: The speed accessory will be detected only if the paddlewheel has moved since your

Fishfinder was powered up.

Start-Up Options Menu

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X-Press™ Menu

The X-Press™ Menu provides a shortcut to your

most frequently-used settings. The options

provided on the X-Press™ Menu correspond

with the current view. For example, if you are in

a Sonar View and press the MENU key once, the

Sonar X-Press™ Menu will display.

X-Press™ Menu

To use an X-Press™ Menu:

1. In any view, press the MENU key once.

2. Press the UP or DOWN Cursor keys to highlight an X-Press™ Menu

option, then use the RIGHT or LEFT Cursor keys to change the menu

setting.

NOTE: The X-Press™ Menu will collapse temporarily and the screen will update if it is

affected by your menu setting change, which allows you to see the effects of your

change immediately.

3. Reactivate the X-Press™ Menu by pressing the UP or DOWN Cursor keys.

Total Screen Update - When you change any menu settings that affect the

current view, the view will update immediately (i.e. you don’t have to exit the

menu to apply the change to the screen).

Menu options can be simplified or expanded by setting the User Mode to

Normal or Advanced. See Main Menu: User Mode for details.

X-Press™ Menu

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Main Menu

The Main Menu provides the standard set of

menu options, including the settings that are

changed less frequently. The Main Menu is

organized under the following tabs to help you

find a specific menu item quickly: Alarms,

Sonar, and Setup.

NOTE: Menu options can be expanded or simplified by

setting the User Mode to Advanced or Normal. See

Main Menu: User Mode for details.

Main Menu (Normal User Mode)

To use the Main Menu:

1. In any view, press the MENU key twice.

2. Press the RIGHT or LEFT Cursor keys to highlight a menu tab.

3. Press the UP or DOWN Cursor keys to select a specific menu option

under that tab.

4. Press the RIGHT or LEFT Cursor keys again to change a menu setting.

• A down arrow at the bottom of a menu means that you can scroll to

additional menu options using the DOWN Cursor key.

• A right or left arrow on a menu option means that you can use the RIGHT

or LEFT Cursor keys to make changes or to see more information.

• Press the EXIT key to move quickly to the top of the tab.

Total Screen Update - When you change any menu settings that affect the

current view, the view will update immediately (i.e. you don’t have to exit the

menu to apply the change to the screen).

Main Menu

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Quick Tips for the Main Menu

• From any menu option on a menu tab, press the EXIT key to jump directly

to the top of the tab.

• From the bottom of a menu tab, press the DOWN Cursor key to jump

directly to the top of the tab.

• From the top of a menu tab, press the RIGHT or LEFT Cursor keys to scroll

to the next tab. You can also jump to the beginning or end of the tab

rotation by repeatedly pressing the RIGHT or LEFT Cursor keys.

• If there is a down arrow at the bottom of a menu tab, press the DOWN

Cursor key to scroll to additional menu options.

• If there is a right or left arrow on a menu option, press the RIGHT or LEFT

Cursor keys to make setting changes or see more information.

• If you press MENU or EXIT to leave the Main Menu and then return to the

Main Menu at a later time, the menu will open to the same tab as the last

time the Main Menu was displayed.

Note for all Menu Settings

The settings in all menus are adjusted in the same way. Simply use the 4-WAY

Cursor Control key to highlight a menu option, and then change the settings or

activate the option (see Main Menu or X-Press™ Menu).

Below is an example of how the menu options are described in this manual.

Each description shows the menu option appearance, the available settings,

and the specific control head settings required (i.e. advanced user mode,

international models only, view, navigation, or accesssory).

Menu Option Name

Setup User Mode

and other control

Noise Filter

head requirements

(Advanced)

Settings: Off, Low, Medium, High1, High2, High3,

Default = Low

Available Menu

Settings

and Default

Noise Filter adjusts the sonar Noise Filter to limit interference on the display

Setting Description

from sources such as your boat engine, turbulence, or other sonar devices.

Menu Option as it appears on the screen

Main Menu

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User Mode (Normal or Advanced)

Menu options can be simplified or expanded by setting your Fishfinder User Mode

to Normal or Advanced.

Normal Mode is the default setting when you first power on your 500 Series™

Fishfinder. Normal mode is provided for users who want greater simplicity and

fewer menu choices.

Advanced Mode is provided for users who want the highest level of control over

the Fishfinder. Several menu settings are added to the Main Menu when the User

Mode is changed to Advanced.

To change the User Mode setting:

1. Press the MENU key twice to access the Main Menu.

2. Press the RIGHT Cursor key until the Setup tab is selected.

3. Press the DOWN Cursor key to highlight User Mode on the Setup main

menu.

4. Press the RIGHT or LEFT Cursor keys to change the User Mode setting.

(Normal, Advanced, Default = Normal)

NOTE: Any changes made while in Advanced Mode will remain in effect after you

switch back to Normal Mode.

For example, the Select Readouts menu option is available when the User Mode is set

to Advanced. If you change the Select Readouts settings while operating in Advanced

User mode, the Select Readouts you choose will continue to display on the screen even

if you switch back to Normal User Mode.

Main Menu

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570 DI

Sonar Tab, Normal Mode

570 DI

Sonar Tab, Advanced Mode

Main Menu

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Sonar X-Press™ Menu

(Sonar Views only)

The Sonar X-Press™ Menu provides a shortcut

to your most frequently-used settings. Press the

MENU key once while in any of the Sonar Views

to access the Sonar X-Press™ Menu.

NOTE: Menu options can be expanded or simplified

by setting the Fishfinder User Mode to Advanced or

Normal. See Main Menu: User Mode for details.

Sonar X-Press™ Menu

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Sensitivity

Settings: Low = 1, High = 20; Default = 10

Sensitivity controls how much detail is shown on the display and will adjust

the sensitivity of all sonar frequencies.

When operating in very clear water or greater depths, increase the sensitivity

to see weaker returns that may be of interest. If the sensitivity is adjusted too

high, the display may become too cluttered.

Decrease the sensitivity to eliminate the clutter from the display that is

sometimes present in murky or muddy water. If Sensitivity is adjusted too low,

the display may not show many sonar returns that could be fish.

NOTE: The Sensitivity setting is a global setting and will adjust the sensitivity of all

sonar frequencies.

Sensitivity at Low

Sensitivity at Medium

Sensitivity at High

Sonar X-Press™ Menu

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Upper Range

(Advanced: Sonar and Big Digits Views only)

Settings: 0 to 790 ft, 0 to 990 ft (561 only), or 0 to 257 m

(International models only); Default = 0 ft

Upper Range sets the shallowest depth range that will be displayed on the Sonar

and Big Digits Views. Upper Range is often used with Lower Range.

For example, if you are only interested in the area between 20 and 50 feet

deep, you should set the Upper Depth Range to 20 and the Lower Depth Range

to 50. The Sonar View will then show the 30 foot area between 20 and 50 and

will not show the surface or the bottom (assuming the bottom is deeper than

50 feet). Greater detail will be shown for the area between 20 and 50 feet.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and

Lower Range regardless of the manual settings entered.

Lower Range

Settings: Auto, 10 to 800 ft, 10 to 1200 ft (561 only), or 3

to 260 m (International models only); Default = Auto

Lower Range sets the deepest depth range that will be displayed by the unit.

Auto: The Lower Range will be adjusted by the unit to follow the bottom

automatically. Auto is the default setting.

Manual: You can adjust the Lower Range to lock the unit on a particular depth.

“M” will be displayed in the lower right corner of the screen to indicate the unit

is in Manual mode. Adjust the Upper and Lower Range together to view a

specific depth range, especially when looking for fish or bottom structure.

For example, if you are fishing in 60 feet of water but are only interested in

the first 30 feet (surface to a depth of 30 feet), you should set the Lower

Depth Range limit to 30. The display will show the 0 to 30 foot range, which

allows you to see a more detailed view than you would see if the display

went all the way to the bottom.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and

Lower Range regardless of the manual settings entered.

Sonar X-Press™ Menu

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Chart Speed

Settings: 1-9, Ultra, where 1 = Slow, 9 = Fast, Ultra =

Fastest; Default = 5

Chart Speed determines the speed at which the sonar information moves across

the display, and consequently the amount of detail shown.

A faster speed shows more information and is preferred by most anglers;

however, the sonar information moves across the display quickly. A slower speed

keeps the information on the display longer, but the bottom and fish details

become compressed and may be difficult to interpret. Regardless of the Chart

Speed setting, the RTS Window™ will update at the maximum rate possible for

the depth conditions.

Bottom View

Settings: Inverse, Structure ID, WhiteLine, Bottom Black;

Default = Inverse

Bottom View selects the method used to represent bottom and structure on the

display. See What’s on the Sonar Display: Bottom Presentation for more

information.

Zoom Level

(Sonar Zoom View only)

Settings: 2x, 4x, 6x, 8x; Default = 2x

Zoom Level sets the magnification level for the Sonar Zoom View. Use Zoom to

see more detail in the bottom sonar returns that might be displayed close

together, such as those caused by fish suspended close to the bottom or within

structure.

Zoom Level is only available on the X-Press™ Menu from the Sonar Zoom View.

The Zoom Preview Box shows the section of the bottom that will be magnified.

NOTE: The Zoom Preview Box tracks the bottom and cannot be moved.

Sonar X-Press™ Menu

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Down Imaging™

X-Press™ Menu

(Down Imaging™ Views only [570 DI])

The Down Imaging™ X-Press™ Menu provides

a shortcut to your most frequently-used

settings. Press the MENU key once while in any

of the Down Imaging™ Views to access the

Down Imaging™ X-Press™ Menu.

570 DI

NOTE: Menu options can be expanded or simplified

by setting the User Mode to Advanced or Normal. See

Main Menu: User Mode for details.

Down Imaging™ X-Press™ Menu

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Imaging Sensitivity

Settings: Auto, 1 to 20, where Low = 1, High = 20;

Default = 10

Imaging Sensitivity controls how the sonar returns are displayed on the

Down Imaging™ Views.

Increase the Imaging Sensitivity to reveal weaker returns that may be of

interest, especially in very clear water or greater depths. A high imaging

sensitivity setting shows more sonar returns from small baitfish and suspended

debris in the water; however if the sensitivity is adjusted too high, the display

may become too cluttered.

Decrease the Imaging Sensitivity to eliminate the clutter from the display that

is sometimes present in murky or muddy water. If the sensitivity is adjusted too

low, the display may not show many sonar returns that could be fish.

Upper Range

(Advanced)

Settings: 0 to 790 ft or 0 to 257 m (International models

only); Default = 0 ft

Upper Range sets the shallowest depth range that will be displayed on the

Down Imaging™ Views. Upper Range is often used with Lower Range.

For example, if you are only interested in the area between 20 and 50 feet deep,

you should set the Upper Depth Range to 20 and the Lower Depth Range to 50.

The Sonar View will then show the 30 foot area between 20 and 50 and will not

show the surface or the bottom (assuming the bottom is deeper than 50 feet).

Greater detail will be shown for the area between 20 and 50 feet.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and

Lower Range regardless of the manual settings entered.

Down Imaging™ X-Press™ Menu

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Lower Range

Settings: Auto, 10 to 800 ft, 3 to 260 m (International

models only); Default = Auto

Lower Range sets the deepest depth range that will be displayed by the unit.

Auto: The Lower Range will be adjusted by the unit to follow the bottom

automatically. Auto is the default setting.

Manual: You can adjust the Lower Range to lock the unit on a particular depth.

will be displayed in the lower right corner of the screen to indicate the unit

is in Manual mode. Adjust the Upper and Lower Range together to view a

specific depth range, especially when looking for fish or bottom structure.

For example, if you are fishing in 60 feet of water but are only interested in the

first 30 feet (surface to a depth of 30 feet) you should set the Lower Depth

Range limit to 30. The display will show the 0 to 30 foot range, which allows

you to see a more detailed view than you would see if the display went all the

way to the bottom.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and

Lower Range regardless of the settings entered manually.

Down Imaging™ X-Press™ Menu

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Chart Speed

Settings: 1-9, Ultra, where 1 = Slow, 9 = Fast, Ultra =

Fastest; Default = 5

Chart Speed determines the speed at which the sonar information moves across

the display, and consequently, the amount of detail shown.

A faster speed shows more information and is preferred by most anglers;

however, the sonar information moves across the display quickly. A slower speed

keeps the information on the display longer, but the bottom and fish details

become compressed and may be difficult to interpret.

Imaging Palette

(Down Imaging™ Views only [570 DI])

Settings: Dark, Light, Inverse; Default = Dark

Imaging Palette allows you to select which monochrome palette you would like

to use for the Down Imaging™ display.

Down Imaging™ X-Press™ Menu

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Alarms Menu Tab

From any view, press the MENU key twice to

access the Main Menu. 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

Alarms Menu Tab

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Depth Alarm

Settings: Off, 1 to 100 ft, or 0.5 to 30 m (International

models only); Default = Off

Depth Alarm sounds when the depth becomes equal to or less than the menu

setting.

Fish ID Alarm

Settings: Off, All, Large/Medium, Large; Default = Off

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.

Off

All

Large/Medium

Large

Low Battery Alarm

Settings: Off, 8.5V - 13.5V; Default = Off

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 example, 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.

Alarms Menu Tab

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Temp. Alarm

Settings: Off, 33-120 (Fahrenheit), 0-50 (Celsius);

Default = Off

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.

Alarm Tone

Settings: High, Medium, Low; Default = Medium

Alarm Tone selects the pitch of the alarm sound. A brief tone will be produced

as you adjust the Alarm Tone so that you can select the tone that you can hear

best.

Alarms Menu Tab

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Sonar Menu Tab

Press the MENU key twice to access the Main

Menu and then press the RIGHT Cursor key until

the Sonar tab is selected.

NOTE: Menu options can be expanded or simplified by

setting the User Mode to Advanced or Normal. See

Main Menu: User Mode for details.

NOTE: Menu options are determined by your

Humminbird® model. See the following pages for full

menu descriptions.

570 DI

Sonar Menu, Advanced

Sonar Menu Tab

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Beam Select

(561 and 570 DI only)

Settings: DualBeam PLUS™: 200/83 kHz, 200 kHz, 83 kHz;

Down Imaging™: 200 kHz, 455 kHz; Default = 200 kHz

Beam Select sets which sonar returns from the transducer will be displayed on

the screen. The available beam frequencies are determined by your

Humminbird® model.

DualBeam PLUS™ models (561) allow you to choose 200/83 kHz, 200 kHz, or

83 kHz.

• When set to 200/83 kHz, the returns from both beams are blended by

starting with the 83 kHz wide beam return, dimming it, and then

overlaying it with the 200 kHz narrow beam return. The darker 200 kHz

narrow beam sonar returns will stand out from the paler 83 kHz wide

beam sonar returns. The Split Sonar View continues to display the sonar

returns from each beam in their respective windows. The blended

information is shown in the Sonar View, Sonar Zoom View, and the Big

Digits View. The RTS Window™ in the Sonar View will only show the

returns from the 200 kHz narrow beam.

• When set to 200 kHz, only the returns from the 200 kHz narrow beam

will be displayed in the Sonar View, the Sonar Zoom View, and the Big

Digits View. The Split Sonar View will continue to display returns from

both beams in their respective windows. The RTS Window™ in the

Sonar View will display the returns from the 200 kHz narrow beam.

• When set to 83 kHz, the returns from the 83 kHz wide beam will be

displayed in the Sonar View, the Sonar Zoom View, and the Big Digits

View. The Split Sonar View will continue to display returns from both

beams in their respective windows. The RTS Window™ will display the

returns from the 83 kHz wide beam.

Sonar Menu Tab

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The Down Imaging™ models (570 DI) allow

you to choose 200 kHz or 455 kHz for conical

sonar coverage in the traditional sonar views.

• When set to 200 kHz, only the returns

from the 200 kHz (25°) beam will be

displayed in the Down Imaging™

Views.

800kHz

45°

75°

455kHz

16°

455kHz

• When set to 455 kHz, only the returns

from the 455 kHz (16°) narrow beam

will be displayed in the Down

Imaging™ Views.

25°

200kHz

75 Degree Total Coverage

Sonar Menu Tab

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Imaging Frequency

(Down Imaging™ Views only [570 DI])

Settings: 800 kHz or 455 kHz; Default = 455 kHz

Imaging Frequency allows you to select which frequency to apply to the Down

Imaging™ beams (455 kHz or 800 kHz). For the best overall image quality and

depth, select 455 kHz. For the sharpest image (but limited depth capability),

select 800 kHz.

800kHz

45°

75°

455kHz

16°

455kHz

25°

200kHz

75 Degree Total Coverage

Sonar Menu Tab

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Surface Clutter

Settings: Low = 1 to High = 10; Default = 5

Surface Clutter adjusts the filter that removes surface clutter noise caused by

algae and aeration. The lower the setting, the less surface clutter will be

displayed.

Surface Clutter

Surface

Clutter

SwitchFire™

Settings: Max Mode, Clear Mode; Default = Clear Mode

SwitchFire™ controls how the sonar returns are displayed in the Sonar Views.

Choose Max Mode to see only raw sonar returns on the display. When Max

Mode is selected, you will see the maximum sonar information available within

the transducer beam, so more fish arches and better jig tracking are shown.

Choose Clear Mode to see less clutter and more fish size accuracy on the

display. When Clear Mode is selected, the clutter is filtered, and sonar returns

are interpreted to provide more details about the objects within the transducer

beam, regardless of their location. In other words, a large arch on the display

means a large fish has been detected.

Sonar Menu Tab

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Fish ID+™

Settings: Off, On; Default = On

Fish ID+™ uses advanced signal processing to interpret sonar returns and will

display a Fish Symbol when very selective requirements are met. When a fish is

detected, a fish icon and its depth are displayed above the return that has been

classified as being a fish. Three different fish size icons represent the intensity of

the sonar return and provide an indicator of relative fish size.

Narrow Beam

Wide Beam

Shaded Fish Symbols

Hollow Fish Symbols

• In Single Beam models (550, 560), targets detected in the 200 kHz

beam are represented as shaded fish symbols.

• In DualBeam models (570) and DualBeam PLUS™ models (561),

targets detected in the 200 kHz narrow beam are represented as shaded

fish symbols, and targets detected in the 83 kHz wide beam are

represented as hollow fish symbols.

• In Down Imaging™ models (570 DI), targets detected in the 455 kHz

conical beam are represented as shaded fish symbols, and targets

detected in the 200 kHz conical beam are represented as hollow fish

symbols.

When Fish ID+™ is turned off, the Fishfinder shows only the raw sonar

returns on the display. These returns will often result in “arches“ forming on the

display, indicating potential targets. Due to the transducer beam angle, the

distance to a fish decreases as the fish moves into the beam, and then

increases as it moves out again, creating a Fish Arch when this distance change

is shown on the display. Boat speed, chart speed, and the position of the fish

within the sonar beam greatly affect the shape of the arch.

Sonar Menu Tab

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Transducer Cone and Fish Arches

Fish ID Sensitivity

Settings: Low = 1, High = 10; Default = 5

Fish ID Sensitivity adjusts the threshold of the Fish ID+™ detection algorithms.

Selecting a higher setting allows weaker returns to be displayed as fish. This is

useful for identifying smaller fish species or baitfish. Selecting a lower setting

displays fewer fish from weak sonar returns. This is helpful when seeking larger

species of fish.

Fish ID Sensitivity is used in conjunction with Fish ID+™. Fish ID+™ must be On

for Fish ID Sensitivity to affect the ability of the Fishfinder to identify sonar returns

as fish.

Real Time Sonar (RTS™) Window

Settings: Wide, Narrow, Off; Default = Narrow

RTS Window™ sets the RTS Window™ to either Wide or Narrow, or turns it off

in the Sonar View. The RTS Window™ always updates at the fastest rate possible

and only displays returns that are within the transducer beam. See What’s on the

Sonar Display for more information.

NOTE: The Wide RTS Window™ does not use grayscale.

RTS Window™ (Wide)

RTS Window™ (Narrow)

RTS Window™ (Off)

Sonar Menu Tab

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Zoom Width

Settings: Narrow, Medium, Wide; Default = Wide

Zoom Width adjusts the width of the zoomed view on the Sonar Zoom View,

which is on the left side of the display. See Views: Sonar Zoom View for more

information.

83 kHz Sensitivity

(Advanced, DualBeam PLUS™ Sonar only [561])

Settings: -10 to +10; Default = 0

83 kHz Sensitivity changes the sensitivity of the 83 kHz beam. Increasing the

83 kHz Sensitivity will display additional weak returns, and decreasing the

83 kHz Sensitivity will display fewer weak returns.

NOTE: 83 kHz Sensitivity is particularly useful for adjusting the sensitivity of the 83 kHz

sonar returns in the Split Sonar View. The 83 kHz sensitivity can be adjusted without

affecting the sensitivity of the 200 kHz returns shown in the 200 kHz sonar window.

455 kHz Sensitivity

(Advanced, Down Imaging™ only [570 DI])

Settings: -10 to +10; Default = 0

455 kHz Sensitivity adjusts the sensitivity of the 455 kHz beam. Increase the

sensitivity to display additional weak returns and decrease the sensitivity to

display fewer weak returns.

Sonar Menu Tab

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Depth Lines

(Advanced)

Settings: Off, On; Default = On

Depth Lines divide the display into four equal sections which are separated

by three horizontal depth lines. The depth of each line is displayed along the

depth scale. You can turn Depth Lines On or Off.

Depth Lines

Noise Filter

(Advanced)

Settings: Off, Low, Medium, High 1, High 2, High 3;

Default = Low

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 Off setting removes all filtering. Low, Medium, High 1, High 2, and High 3

settings add progressive filtering of the sonar returns. High 1, High 2, and High

3 are useful when there is excessive trolling motor noise, but in some deep

water situations, the High settings may actually hinder your unit’s ability to find

the bottom.

Sonar Menu Tab

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Max Depth

(Advanced)

Settings: Auto, 10 to 800 ft, 10 to 1200 ft (561 only), or 3

to 260 m (International models only); Default = Auto

Max Depth controls the maximum depth of operation. When Max Depth is set

to Auto, the Fishfinder will acquire bottom readings as needed (within the

capacity of the unit). When Max Depth is set to match your fishing maximum

depth, your Fishfinder will not attempt to acquire sonar data below that depth,

so more detail will be shown on the screen.

NOTE: If the bottom is deeper than the Max Depth setting, the digital depth readout

will flash, indicating that the Fishfinder cannot locate the bottom.

Water Type

(Advanced)

Settings: Fresh, Salt (shallow), Salt (deep); Default = Fresh

Water Type configures your unit for operation in fresh or salt water. In salt

water, you can also choose the shallow or deep setting.

Water Type affects the accuracy of deep water depth readings. 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 difference.

Imaging Palette

(Down Imaging™ Views only [570 DI])

Settings: Dark, Light, Inverse; Default = Dark

Imaging Palette allows you to select which monochrome palette you would like

to use for the Down Imaging™ display.

Sonar Menu Tab

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Setup Menu Tab

From any view, press the MENU key twice to

access the tabbed Main Menu, then press the

RIGHT Cursor key until the Setup tab is selected.

NOTE: Menu options will vary depending on which

accessories are attached to the unit.

NOTE: Menu options can be expanded or simplified by

setting the User Mode to Advanced or Normal. See Main

Menu: User Mode for details.

Setup Menu Tab

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Units - Depth

Settings: Domestic Models: Feet, Fathoms; International

Models: Meters; Default = Feet/Meters

Units - Depth selects the units of measure for all depth-related readouts.

Units - Temp

(International models only)

Settings: Celsius, Fahrenheit; Default = Celsius

Units - Temp selects the units of measure for all temperature-related readouts.

International models only.

Units - Distance

(with Temp/Speed only)

Settings: Domestic Models: Statute Miles, Nautical Miles,

Default

Statute Miles; International Models:

Meters/Kilometers, Meters/Nautical Miles, Feet/Statute

Miles, Feet/Nautical Miles, Default = Meters/Kilometers

Units - Distance selects the units of measure for all distance-related readouts,

and will appear in the menu if a Temp/Speed Accessory is connected and the

paddlewheel has moved at least once.

Units - Speed

(with Temp/Speed only)

Settings: Domestic Models: mph, kts; International

Models: kph; Default = mph/kph

Units - Speed selects the units of measure for speed-related readouts, and will

appear in the menu if a Temp/Speed Accessory is connected and the

paddlewheel has moved at least once.

Setup Menu Tab

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User Mode

Settings: Normal, Advanced; Default = Normal

User Mode sets the menu system to Normal or Advanced. When set to Normal

(default setting), the basic set of menu options are shown in the menu system.

When set to Advanced, additional menu options are added to the menu system.

See Main Menu: User Mode for details.

Language

(International models only)

Settings: Various, Default = English

Language selects the display language for menus. International models only.

Triplog Reset

(with Temp/Speed only)

Settings: Follow screen instructions to activate.

Triplog Reset resets the Triplog to zero, and will appear in the menu if a

Temp/Speed Accessory is connected and the paddlewheel has moved at least

once.

The Triplog provides the following information: timer for elapsed time, distance

traveled since last reset, and average speed.

NOTE: See Views to find out how to display Triplog information on the screen.

Restore Defaults

Settings: Follow screen instructions to activate.

Use this menu choice with caution!

Restore Defaults resets ALL menu settings to their factory defaults.

Setup Menu Tab

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Select Views

(Advanced)

Settings: Visible, Hidden; Default = Visible

Select Views allows you to set the available

views to hidden or visible in the view rotation. The

view will be removed from the view rotation if it

is set to Hidden and will be displayed in the view

rotation if it is set to Visible.

NOTE: See Views for more information.

550 Select Views Submenu

Select Readouts

(Advanced, Sonar View and

Down Imaging™ View only)

Settings: Various, Default = Off

Select Readouts sets the information to display

in each of the 6 fixed-position data windows

arranged around the left and bottom edges of

the Sonar View and Down Imaging™ View

screen. To leave the data window blank, select

Off. See Views to change the Select Readouts.

The readout

position on

the screen

is shown in

the Select

Readouts

Window.

Data windows can display readouts from

supported accessories such as Temp/Speed.

Each data window can be empty or contain one

of the following information categories:

Select Readouts

• Speed

• Temperature

• Triplog

• Voltage

Setup Menu Tab

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NOTE: The availability of the digital readout information corresponds with the view

selected and the accessory attached.

Default Sonar View

Sonar View with Select Readouts

Depth Offset

(Advanced)

Settings: -10.0 to +10.0 ft or -3.0 to 3.0 m (International

models only); Default = 0.0 ft

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.

Temp. Offset

(Advanced)

Settings: -10.0 to +10.0 degrees; Default = 0

Temp. Offset will adjust the temperature readout by the amount entered.

Setup Menu Tab

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Speed Calibration

(Advanced, with Temp/Speed only)

Settings: -20% to +20%; Default = 0%

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.

Digits Format

(Advanced)

Settings: Small tenths, Large tenths, No tenths; Default =

Small tenths

Digits Format adds a tenth decimal place to readouts such as Temperature and

Depth. The format can be changed to small format, large format, or no format.

Demonstration

Settings: Off, Visible; Default = Visible

Demonstration controls whether the Demonstration Mode is visible or off. The

Demonstration Mode appears on the screen if you don’t press any keys during

the warning screen at power up. Menu settings cannot be saved in

Demonstration (see Power On and Start-Up Options Menu).

Sound Control

Settings: No Sounds, Alarms Only, All Sounds; Default =

All Sounds

Sound Control allows you to set when the control head will beep or sound

because of key presses and/or alarms.

Setup Menu Tab

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Troubleshooting

Before contacting the Humminbird® Customer Resource Center, please read the

following section. Taking the time to review these troubleshooting guidelines

may allow you to solve a performance problem yourself, and therefore avoid

sending your unit back for repair.

Fishfinder Doesn’t Power Up

If your Fishfinder doesn’t power up, use the Installation Guide that also comes

with it for specific confirmation details, making sure that:

• The power cable is properly connected to the Fishfinder control head.

• The power cable is wired correctly, with red to positive battery terminal

and black to negative terminal or ground.

• The fuse is operational.

• The battery voltage of the power connector is at least 10 Volts.

Correct any known problems, including removing corrosion from the battery

terminals or wiring, or actually replacing the battery if necessary.

Fishfinder Defaults to Simulator with a Transducer Attached

A connected and functioning transducer will cause the newly-started

Fishfinder to go into Normal operating mode automatically. If, when you power

up the Fishfinder, it goes into Simulator mode automatically, even though a

transducer is already connected, this means that the control head is not

detecting the transducer. Perform the following troubleshooting tasks:

• Using the Installation Guide that also comes with your Fishfinder, check

to make sure that the transducer cable is securely connected to the

Fishfinder. Reconnect if necessary, and power up the Fishfinder again

to see if this fixes the problem.

• Replace the non-functioning transducer with a known good transducer

if available and power up the control head again.

• Check the transducer cable. Replace the transducer if the cable is

damaged or corroded.

Troubleshooting

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Display Problems

There are several main conditions or sources of possible interference that may

cause problems with the quality of the information displayed on the control

head. Look in the following table for some symptoms of display problems and

possible solutions:

Problem

Possible Cause

The control head loses

power at high speeds.

If the power output of your boat’s engine is unregulated,

the control head may be protecting itself using its

over-voltage protection feature. Make sure the input

voltage does not exceed 20 Volts.

When the boat moves

at higher speeds, the

bottom disappears or

suddenly weakens, or

the display contains

gaps.

The transducer position may need to be adjusted. A mix of

air and water flowing around the transducer (cavitation)

may be interfering with the interpretation of sonar data.

See your Installation Guide for suggestions on adjusting the

transducer position.

Electrical noise from the boat’s engine may be interfering

with sonar reception. See Finding the Cause of Noise for

more information.

There are no fish

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.

detected, even when

you know they are in

the water under the

boat, or sonar readings

seem weak or faulty.

Low battery voltage may be affecting the power of signal

transmission.

Electrical noise from the boat’s engine may be interfering

with sonar reception. See Finding the Cause of Noise for

more information.

Troubleshooting

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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 re-appears.

To determine whether the boat’s 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.

The boat’s engine

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.

Cavitation from the boat’s

propeller

Troubleshooting

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500 Series™ Fishfinder Accessories

Accessories customize the Humminbird® Fishfinder to your needs and enable

you to stay on the edge of new technology. When an accessory is connected to

the Humminbird® Fishfinder, additional menus and readouts are added

automatically to the Main Menu System. Accessories available today that are

supported by your Humminbird® include:

Temperature/Speed: Simply plugs into the Humminbird® control head and

provides real time speed and temperature readouts, as well as a valuable

Triplog function.

NOTE: If an external Temperature/Speed (TS-W) or Temperature (TG-W) accessory is

connected AND a transducer with temperature built in is connected at the same time,

the TS-W or TG-W accessory will override the temperature built into the transducer.

Be sure to check out our Web site humminbird.com for additional new and

exciting accessories to grow your Humminbird® Fishfinder!

NOTE: Each accessory requires a separate purchase. You can visit our Web site at

humminbird.com or contact our Customer Resource Center at 1-800-633-1468

for additional details.

Accessories

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550 Specifications

Depth Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 ft (243 m)

Power Output . . . . . . . . . . . . . . . 200 Watts (RMS), 1600 Watts (Peak to Peak)

Operating Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 kHz (Single Beam)

Area of Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20° @ -10 dB in 200 kHz

Target Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1/2 Inches (63.5 mm)

Power Requirement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20 VDC

LCD Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 V x 240 H

Transducer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XNT 9 20 T

Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)

Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 mA

IPX Rating. . . . . . . . . . . . IP67 Waterproof/Submersible @ 1 m for 30 minutes

and dust tight

NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, but actual

depth performance may vary due to transducer installation, water type, thermal layers,

bottom composition and slope.

NOTE: Product specifications and features are subject to change without notice.

Specifications

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560 and 561 Specifications

Depth Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560: 800 ft (243 m)

561: 1200 ft (366 m)

Power Output . . . . . . . . . . . . . . . 250 Watts (RMS), 2000 Watts (Peak to Peak)

Operating Frequency. . . . . . . . . . . . . . . . . . . . . . . . 560: 200 kHz (Single Beam)

561: 200 kHz and 83 kHz (DualBeam PLUS™)

Area of Coverage . . . . . . . . . . . . 560 (Single Beam): 20° @ -10 dB in 200 kHz

561 (DualBeam PLUS™): 60° @ -10 dB in 83 kHz

20° @ -10 dB in 200 kHz

Target Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1/2 Inches (63.5 mm)

Power Requirement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20 VDC

LCD Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 V x 320 H

Transducer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XNT 9 20 T

Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)

Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 mA

IPX Rating. . . . . . . . . . . . IP67 Waterproof/Submersible @ 1 m for 30 minutes

and dust tight

NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, but actual

depth performance may vary due to transducer installation, water type, thermal layers,

bottom composition and slope.

NOTE: Product specifications and features are subject to change without notice.

Specifications

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570 Specifications

Depth Capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 ft (243 m)

Power Output . . . . . . . . . . . . . . . 250 Watts (RMS), 2000 Watts (Peak to Peak)

Operating Frequency. . . . . . . . . . . . . . . . . . . . 200 kHz and 83 kHz (DualBeam)

Area of Coverage. . . . . . . . . . . . . . . . . . . . DualBeam: 60° @ -10 dB in 83 kHz

20° @ -10 dB in 200 kHz

Target Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1/2 Inches (63.5 mm)

Power Requirement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20 VDC

LCD Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640 V x 320 H

Transducer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XNT 9 20 T

Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)

Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 mA

IPX Rating. . . . . . . . . . . . IP67 Waterproof/Submersible @ 1 m for 30 minutes

and dust tight

NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, but actual

depth performance may vary due to transducer installation, water type, thermal layers,

bottom composition and slope.

NOTE: Product specifications and features are subject to change without notice.

Specifications

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570 DI Specifications

Depth Capability. . . . . . . . . . . . . . . . . . . . . . . . 250 ft (76 m) Down Imaging™,

600 ft (183 m) traditional sonar

Power Output. . . . . . . . . . . . . . . . . . . . . 500 W (RMS), 4000 W (Peak to Peak)

Operating Frequency . . . . . . . . . . . . . 455 kHz and 800 kHz (Down Imaging™);

200 kHz and 455 kHz (traditional sonar)

Area of Coverage . . . . . . . . . . . . . Down Imaging™: 75° @ -10 dB in 455 kHz

45° @ -10 dB in 800 kHz

traditional sonar: 25° @ -10 dB in 200 kHz

16° @ -10 dB in 455 kHz

Target Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1/2 Inches (63.5 mm)

Power Requirement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20 VDC

LCD Matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 640 V x 320 H

Transducer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XNT 9 DI T

Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)

Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 mA

IPX Rating. . . . . . . . . . . . IP67 Waterproof/Submersible @ 1 m for 30 minutes

and dust tight

NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, but actual

depth performance may vary due to transducer installation, water type, thermal layers,

bottom composition and slope.

NOTE: Product specifications and features are subject to change without notice.

Specifications

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Glossary

Sonar Terms:

Beam (Sonar Beam) The wide, cone-shaped projection of sound waves formed as sound

travels underwater. See Cone Angle.

Bottom Contour The profile of the bottom graphed to the display as the depth changes.

Bottom Hardness The density (or composition) of the bottom. Varying levels of hardness

can be determined by interpreting the “thickness“ of the main sonar return. Hard returns

appear thin and black, softer returns appear thicker and less black. It is important to note

that a sonar return from a sloping bottom can have the appearance of a softer bottom.

Cavitation The effect of air bubbles created as the propeller rotates and the boat moves

through the water.

Cone Angle The angular measurement of the sonar beam at a specific dB down point

(i.e. -10 dB). See dB Down Point.

Dead Zone 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 The measurement for sound pressure level, or “intensity”of the sonar return. See

dB Down Point.

dB Down Point 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 (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.

Frequency 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.

Glossary

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Grayscale The use of varying shades of gray to represent the strength of the sonar signal

on the display. Traditionally, the strongest sonar signals are represented in black, and

progressively weaker signals are represented in progressively lighter shades of gray.

Noise The 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. Many Humminbird® products have a Noise Filter menu setting that allows the user

to clear the screen of noise that is difficult to eliminate (also, see Troubleshooting).

Pixels The “picture elements“, or small square blocks, that make up the image on the LCD.

Measured as a vertical by horizontal number (i.e. 640V x 320H), this key specification

typically indicates the quality of resolution. In fishfinders, the total resolution (vertical

multiplied by horizontal) is often less important than the “Vertical Pixel“ resolution because

a greater number of vertical pixels provide finer resolution of targets detected by sonar.

Sonar information on the horizontal axis can vary greatly, depending on boat speed and the

Chart Speed setting.

Power Output The amount of sound energy emitted into the water by the transducer’s

transmitter. Power output is measured using either RMS (Root Mean Square) or P-T-P (Peak-

to-Peak) measurement systems. Either method is acceptable, but it is important when

comparing power outputs, to make sure that the same measurement system is being used

for both outputs, because P-T-P numbers are 8 times higher than RMS numbers. Greater

power output allows the sonar signal to penetrate through weeds and thermoclines, reach

deeper depths and operate more effectively in noisy environments, such as when the boat

is running at high speed.

Pulse Width (Pulse Length) The length of time that a sonar sound burst is transmitted

into the water. Shorter pulse widths provide better target separation, but cannot travel to

great depths. Longer pulse widths provide better depth penetration, but result in poorer

target separation. Humminbird® varies pulse width based on depth to optimize both target

separation and depth performance. See Target Separation.

Second Return Describes the appearance of a second sonar return below the primary

sonar return (bottom contour) at exactly twice the true depth. The second return is caused

by the same sonar energy bouncing off the bottom once, rebounding to the water surface

and then traveling back down to the bottom to be reflected again. Second returns are more

common in shallow water and over hard bottoms; it is possible to see a third sonar return

under some circumstances. The second return provides useful information to help

determine bottom hardness, as areas with harder bottoms will generally create a second

return. The second return can be used as a guide to set Sensitivity when in shallower water.

Glossary

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SONAR (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 Update Rate The number of times per second that the transducer’s

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 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 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).

Surface Clutter 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.

Target Separation 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.

Glossary

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Thermoclines 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 (TVG) 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.

Transducer The transducer is part of the sonar system, which mounts on the boat and is

in contact with the water, that converts the electrical energy from the transmitter into

sound energy, and that forms the sonar beam in turn. Internally, the transducer consists of

one or more piezo electric disks that expand by very minute amounts to create the sound

wave. This element also works in reverse, converting the returned sound energy back into

an electrical signal that the receiver interprets. See SONAR.

Zoom A feature that focuses on a smaller area of the bottom to provide enhanced

resolution. With enhanced resolution, the angler can more easily see fish hanging in

structure or multiple fish hanging close together.

Zoom, Bottom Lock Bottom Lock Zoom is a feature that focuses on a smaller area just

above the bottom to provide enhanced resolution. Unlike regular zoom, it continuously

graphs the bottom at a constant point on the display regardless of changes in depth. This

“flattens“ out the bottom contour, but is effective at showing fish on or near the bottom,

and is preferred by many saltwater anglers.

Glossary

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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):

[email protected]

For direct shipping, our address is:

Humminbird®

Service Department

678 Humminbird Lane

Eufaula, AL 36027 USA

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