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Thank You!

Thank you for choosing Humminbird®, America's #1 name in fishfinders. Humminbird® has built its reputation by designing and manufacturing top-quality,thoroughly reliable marine equipment. Your Humminbird® is designed fortrouble-freeuse in even the harshest marine environment. In the unlikely event that your Humminbird® does require repairs, we offer an exclusive Service Policy - free of charge during the first year after purchase, and available at a reasonable rate after theone-yearperiod. For complete details, see the Warranty section in this manual. We encourage you to read this installation and operations manual carefully in order to get full benefit from all the features and applications of your Humminbird® product.

Contact our Customer Resource Center at either 1-800-633-1468or visit our website at www.humminbird.com.

WARNING! This device should not be used as a navigational aid to prevent collision, grounding, boat damage, or personal injury. When the boat is moving, water depth may change too quickly to allow time for you to react. Always operate the boat at very slow speeds if you suspect shallow water or submerged objects.

WARNING! Disassembly and repair of this electronic unit should only be performed by authorized service personnel. Any modification of the serial number or attempt to repair the original equipment or accessories by unauthorized individuals will void the warranty. Handling and/or opening this unit may result in exposure to lead, in the form of solder.

WARNING! This product contains lead, a chemical known to the state of California to cause cancer, birth defects and other reproductive harm.

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.

900 Series™, Cannon™, CannonLink™, DualBeam PLUS™, Fish ID+™, HumminbirdPC™, Humminbird®, InterLink™, One-Touch®Zoom, QuadraBeam PLUS™, RTS® Window, SmartCast®, Structure ID®, Total Screen Update®, TrueArch®, WeatherSense®, WhiteLine®, WideSide®,X-Press™,andX-Press™Menu are trademarked by or registered trademarks of Humminbird®.

© 2007 Humminbird®, Eufaula AL, USA. All rights reserved.

i

Table of Contents

900 Series™ Introduction

1

How the 900 Series™ Works ................................................................................................

1

High Definition Side Imaging Sonar ......................................................................................

2

DualBeam PLUS™ Sonar ......................................................................................................

3

QuadraBeam PLUS™ Sonar (optional-purchaseQuadraBeam PLUS™ transducer only)..........

3

Universal Sonar 2 ....................................................................................................................

4

How GPS and Cartography Work ..........................................................................................

4

Multi-MediaCard (MMC)/SD Slot ........................................................................................

5

Software Updates....................................................................................................................

5

Accessory Bus..........................................................................................................................

6

Installation Overview

6

Control Head Installation

7

Gimbal Mounting the Control Head ......................................................................................

7

Connecting the Control Head Power Cable to the Boat ....................................................

12

Transducer Installation

13

Transom Transducer Installation ..........................................................................................

14

Trolling Motor Transducer Installation ................................................................................

19

Trolling Motor Transducer Options ......................................................................................

19

Test and Finish the Transducer Installation ........................................................................

20

GPS Receiver Installation

21

Stem Mounting with an Existing 1" - 14 Thread Stem ......................................................

21

Access Under Mounting Location........................................................................................

22

No Access Under Mounting Location..................................................................................

23

Finish Routing the Cable and Check GPS Receiver Operation ..........................................

23

Testing the System Installation

24

Getting Started - Using Your 900 Series™

25

Powering Up the Control Head

25

What’s on the Sonar Display ..............................................................................................

26

Understanding Sonar History ..............................................................................................

27

Real Time Sonar (RTS®) Window..........................................................................................

27

Sonar Bottom Presentation ..................................................................................................

28

Understanding Side Imaging

29

What’s on the Side Imaging Display....................................................................................

30

Side Imaging Technology: How It Works ............................................................................

31

Side Imaging: On the Water Interpretation ........................................................................

31

Key Functions

34

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

34

VIEW Key................................................................................................................................

35

MENU Key..............................................................................................................................

35

4-WAYCursor Control Key ....................................................................................................

36

View Preset Keys....................................................................................................................

36

EXIT Key..................................................................................................................................

36

INFO Key ................................................................................................................................

37

MARK Key ..............................................................................................................................

37

GOTO Key................................................................................................................................

37

ZOOM (+/-)Keys....................................................................................................................

38

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531559-1_A

Table of Contents

Views

38

Views and Readouts..............................................................................................................

39

Side Imaging View ................................................................................................................

39

Sonar View ............................................................................................................................

40

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

41

Split Sonar View ....................................................................................................................

42

Side/Sonar Combo View ......................................................................................................

43

Snapshot and Recording View ............................................................................................

43

Side Beam View (withoptional-purchaseQuadraBeam PLUS™ transducer only)................

48

Bird’s Eye View ......................................................................................................................

50

Chart/Bird’s Eye Combo View ..............................................................................................

51

Chart/Chart Combo View......................................................................................................

52

Chart View..............................................................................................................................

53

Chart/Sonar Combo View......................................................................................................

54

Chart/Side Combo View........................................................................................................

55

Chart Orientation ..................................................................................................................

56

Viewing Cartography

56

Navigation

57

Waypoints, Routes and Tracks..............................................................................................

58

Save, Edit, or Delete a Waypoint..........................................................................................

59

Navigate to a Waypoint or Position ....................................................................................

60

Add a Waypoint Target or Trolling Grid................................................................................

60

Save, Edit or Delete a Route ................................................................................................

61

Save or Clear a Current Track ..............................................................................................

62

Edit, Delete or Hide Saved Tracks ........................................................................................

62

Man Overboard (MOB) Navigation ......................................................................................

63

The Menu System

64

Start-UpOptions Menu

65

Normal Operation ..................................................................................................................

66

Simulator ..............................................................................................................................

66

System Status ......................................................................................................................

66

Self Test..................................................................................................................................

67

Accessory Test........................................................................................................................

67

GPS Diagnostic View ............................................................................................................

68

Sonar X-Press™Menu

69

Active Side..............................................................................................................................

69

Split Position ..........................................................................................................................

70

Sensitivity ..............................................................................................................................

70

Upper Range (Advanced: Sonar, Split Sonar and Active Sonar Side Views only)................

71

Lower Range..........................................................................................................................

71

Chart Speed............................................................................................................................

72

Quad Layout

 

(with optional-purchaseQuadraBeam PLUS™ Transducer, Side Beam View only)..........

72

Bottom Lock (Sonar Zoom View only) ..................................................................................

73

Bottom Range (Sonar Zoom View only, when Bottom Lock is on) ......................................

73

Sonar Colors ..........................................................................................................................

73

Cancel Navigation (only when navigating) ..........................................................................

73

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Table of Contents

Side Imaging X-Press™Menu

74

Active Side..............................................................................................................................

74

Split Position ..........................................................................................................................

74

SI Side ....................................................................................................................................

75

SI Sensitivity ..........................................................................................................................

75

SI Range ................................................................................................................................

75

Chart Speed............................................................................................................................

75

SI Colors..................................................................................................................................

76

Navigation X-Press™Menu

76

Active Side..............................................................................................................................

77

Split Position ..........................................................................................................................

77

Waypoint [Name] (only with an active cursor on a waypoint) ..............................................

77

Cursor to Waypoint (Chart or Combo view only) ..................................................................

78

Save Current Track ................................................................................................................

78

Clear Current Track................................................................................................................

78

Save Current Route (only when navigating)..........................................................................

79

Skip Next Waypoint (only when navigating) ........................................................................

79

Cancel Navigation (only when navigating)............................................................................

79

Cancel MOB Navigation (only when MOB Navigation is activated) ....................................

79

Remove Target (only if a Target is active) ..............................................................................

80

Remove Grid (only if a Grid is active)......................................................................................

80

Waypoint Name (most recently-created waypoint) ..............................................................

80

SnapshotandRecordingX-Press™Menu (Snapshot and Recording View only)

81

Start Recording

 

(optional-purchaseMMC/SD Card, Snapshot and Recording View only) ..........................

82

Stop Recording (optional-purchaseMMC/SD Card only) ......................................................

82

Delete Image

 

(optional-purchaseMMC/SD Card, Snapshot and Recording View only) ..........................

82

Delete All Images

 

(optional-purchaseMMC/SD Card, Snapshot and Recording View only) ..........................

83

Delete Recording

 

(optional-purchaseMMC/SD Card, Snapshot and Recording View only) ..........................

83

Delete All Recordings

 

(optional-purchaseMMC/SD Card, Snapshot and Recording View only) ..........................

84

Pings Per Second

 

(optional-purchaseMMC/SD Card, Snapshot and Recording View only) ..........................

84

Playback Speed

 

(optional-purchaseMMC/SD Card, Snapshot and Recording View only) ..........................

84

Stop Playback (optional-purchaseMMC/SD Card only) ........................................................

85

Sonar Menu Tab

85

Beam Select ..........................................................................................................................

86

Side View Frequency (Side Views only) ................................................................................

86

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

87

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

88

Real Time Sonar (RTS®) Window..........................................................................................

88

Bottom View ..........................................................................................................................

89

Zoom Width (Sonar Zoom View only) ....................................................................................

89

83 kHz Sensitivity ..................................................................................................................

89

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Table of Contents

455 kHz Sensitivity (Advanced,withoptional-purchaseQuadraBeamPLUS™transduceronly) ......

89

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

90

Surface Clutter (Advanced)....................................................................................................

91

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

91

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

92

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

92

Transducer Select ..................................................................................................................

93

Color Bar ................................................................................................................................

93

Temperature Graph (Sonar View only, with Temperature input) ..........................................

93

Navigation Menu Tab

94

Current Track..........................................................................................................................

94

Saved Tracks ..........................................................................................................................

95

Waypoints ..............................................................................................................................

95

Routes ....................................................................................................................................

96

Chart Orientation ..................................................................................................................

96

North Reference ....................................................................................................................

97

Trolling Grid Rotation ............................................................................................................

97

Trackpoint Interval ................................................................................................................

97

Track Min Distance (Advanced) ............................................................................................

98

Track Color Range..................................................................................................................

98

Map Datum (Advanced) ........................................................................................................

98

Course Projection Line ..........................................................................................................

99

Export All Nav Data (Advanced) ............................................................................................

99

Delete All Nav Data (Advanced)............................................................................................

99

Continuous Navigation Mode ..............................................................................................

99

Chart Menu Tab

100

Chart Detail Level ................................................................................................................

100

Map Borders ........................................................................................................................

101

Lat/Lon Grid..........................................................................................................................

101

Spot Soundings....................................................................................................................

101

Navaids on Bird's Eye View..................................................................................................

102

Shaded Depth......................................................................................................................

102

Set Simulation Position (Advanced)....................................................................................

102

Set Map Offset (Advanced)..................................................................................................

103

Clear Map Offset (Advanced) ..............................................................................................

103

Alarms Menu Tab

104

Depth Alarm ........................................................................................................................

104

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

104

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

105

Aux Temp Alarm (withoptional-purchasetemp. probe or Temp/Speed only)....................

105

Temp Alarm..........................................................................................................................

106

Off Course Alarm ................................................................................................................

106

Arrival Alarm ........................................................................................................................

107

Drift Alarm............................................................................................................................

107

Alarm Tone ..........................................................................................................................

108

Setup Menu Tab

108

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

109

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

109

Units - Distance (with Speed input only) ............................................................................

109

v

Table of Contents

Units - Speed (with Speed input only) ................................................................................

109

User Mode............................................................................................................................

110

Language (International only) ..............................................................................................

110

Triplog Reset (with Speed input only)..................................................................................

110

Restore Defaults ..................................................................................................................

110

Select Readouts (Advanced)................................................................................................

111

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

112

Aux. Temp. Offset (Advanced)..............................................................................................

113

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

113

Speed Calibration (Advanced, with Speed paddlewheel only)............................................

113

Local Time Zone (Advanced)................................................................................................

113

Daylight Saving Time (Advanced)........................................................................................

114

Position Format (Advanced) ................................................................................................

114

Time Format (Advanced, International only) ........................................................................

114

Date Format (Advanced, International only) ........................................................................

114

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

115

NMEA Output (Advanced) ..................................................................................................

115

Sonar ....................................................................................................................................

116

Views Menu Tab

116

Accessories Menu Tab

118

Using Screen Snapshot ......................................................................................................

118

Troubleshooting

120

900 Series™ Doesn’t Power Up..........................................................................................

120

900 Series™ Defaults to Simulator with a Transducer Attached....................................

120

Display Problems

121

Finding the Cause of Noise

122

1-YearLimited Warranty

123

Humminbird® Service Policy

123

900 Series™ Accessories

125

Specifications

127

Glossary

128

Appendix A - Transducer Mounting Template: XHS 9 HDSI 180 T

138

Contact Humminbird®

139

NOTE: Entries in this Table of Contents which list (International only) are only available on products sold outside of the US and Canada by our authorized International Distributors. To obtain a list of authorized International Distributors, please visit our website at www.humminbird.com or contact our Customer Resource Center at 1-800-633-1468to locate the distributor nearest you.

NOTE: Entries in this Table of Contents which list (with Speed Input) or (with Temperature Input) may require the purchase of separate accessories. You can visit our website at www.humminbird.com to order these accessories online or contact our Customer Resource Center at 1-800-633-1468.

vi

900 Series™ Introduction

Your 900 Series™ Ultra Wide Screen Fishing System comes in the following configuration:

Humminbird® 997c Combo: Ultra Wide Screen Fishing System with Chartplotter (Maps) and Side Imaging and Dual Frequency Transducer, GPS Receiver included.

How Sonar Works

Sonar technology is based on sound waves. The 900 Series™ Fishing System uses sonar to locate and define structure, bottom contour and composition, as well as depth directly below the transducer.

Your 900 Series™ Fishing System 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 utilizes precision sound pulses or "pings" which are emitted into the water in a teardrop-shapedbeam.

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.

When all the echoes are viewed side by side, an easy to interpret "graph" of the bottom, fish and structure appears.

1

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.

High Definition

Side Imaging Sonar

Your 900 Series™ 997c SI Combo uses Side Imaging sonar to provide a wide yet precise survey of a large area of water, including detailed bottom topography and fish-attractingstructure orientation. The Side Imaging transducer returns are processed into an image similar to an aerial photograph. Typically, the Side Imaging sonar can search an area that is 720 feet wide (360 to each side), with a typical depth performance of 150 feet when the Side Imaging Sonar frequency is set for 455kHz. The side beams can be operated at one of two frequencies: 455 kHz or 800 kHz. Selecting 800 kHz produces the sharpest image but the search area to each side and the depth capability are limited as compared to the 455 kHz frequency. See

What’s on the Side Imaging Display and Understanding Side Imagingfor more information.

2

DualBeam PLUS™ Sonar

Your 900 Series™ Fishing System 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. The 20° center beam is focused on the bottom, to show you structure, weeds and cover. The 60° wide beam is hunting for fish in the wide coverage area. 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.

QuadraBeam PLUS™ Sonar

(optional-purchaseQuadraBeam PLUS™ transducer only)

Your 900 Series™ 997c Combo supports the optional-purchaseQuadraBeam PLUS™ transducer. QuadraBeam PLUS™ sonar provides an extremely wide (90°) area of coverage. QuadraBeam PLUS™ starts with twofan-shaped35° 455 kHz Side Structure locating sonar beams to spot fish, bait and structure to the left and right of the boat over an area of the bottom that’s always equal to twice your depth.

For a detailed view below the boat, QuadraBeam PLUS™ uses DualBeam PLUS™ technology, with precision 20° and wide 60° beams. QuadraBeam PLUS™ finds more fish faster, and can even tell you where to put your bait by showing if fish are to the left, right or directly beneath your boat.

3

Universal Sonar 2

Your 900 Series™ Fishing System supports Universal Sonar 2, a state-of-the-art, integrated and protected transducer that is built into the lower unit of Minnkota trolling motors. With Universal Sonar 2, all wiring is concealed inside the indestructible compositeshaft—outof sight and out of harm’s way, with no clamps, ties, or exposed wires. Universal Sonar 2 features new temperature sensing and the performance of DualBeam PLUS™ technology. An expanded view and greater bottom detail gives you a totally new perspective of the water below, along with optimal sonar performance to help you find fish.

How GPS and Cartography Work

Your 900 Series™ Fishing System also supports GPS and chartplotting, and uses GPS and sonar to determine your position, display it on a grid, and provide detailed underwater information. The Global Positioning System (GPS) is a satellite navigation system designed and maintained by the U.S. Department of Defense. GPS was originally intended for military use; however, civilians may also take advantage of its highly accurate position capabilities, typically within +/- 10 meters, depending on conditions. This means that 95% of the time, the GPS receiver will read a location within 10 meters of your actual position. Your GPS Receiver also uses information from WAAS (the Wide Area Augmentation System), EGNOS (the European Geostationary Navigation Overlay Service), and MSAS (the MTSAT Satellite Augmentation System) satellites if they are available in your area.

GPS uses a constellation of 24 satellites that continually send radio signals to the earth. Your present position is determined by receiving signals from up to 16 satellites and measuring the distance from the satellites.

All satellites broadcast a uniquely coded signal once per second at exactly the same time. The GPS receiver on your boat receives signals from satellites that are visible to it. Based on time differences between each received signal, the GPS receiver determines its distance to each satellite. With distances known, the GPS receiver mathematically triangulates its own position. With once per second updates, the GPS receiver then calculates its velocity and bearing.

The GPS Receiver included with your 900 Series™ Fishing System allows you to combine easy-to-useFishingGPS® chartplotter and navigation capabilities with advanced fishfinding.

4

Inserting an MMC/SD into the Card Slot

The following GPS functionality is currently supported by the 900 Series™ Fishing System when it is connected to the included GPS receiver:

View current position

View current track (breadcrumb trail)

View precision speed and heading from your GPS receiver

Save tracks, waypoints and routes

Travel a route and navigate from one waypoint to the next.

Your 900 Series™ supports Navionics® Gold, HotMaps™ and HotMaps™ Premium on MMC or SD card media.

NOTE: Your 900 Series™ does not support Navionics® Classic Charts, only Navionics® Gold, HotMaps™, and HotMaps™ Premium.

Your unit also comes with a built-inUniMap™ with a more detailed map of North America (Domestic models) or a more detailed map of Europe and Southeast Asia, including Australia and New Zealand (International models).

Your 900 Series™ uses the GPS Receiver to determine the position of the boat automatically, and uses the zoom level settings on a particular view to select the best chart to display. See Viewing Cartography for more information.

Multi-MediaCard

(MMC)/SD Slot

Your 900 Series™ Fishing System also has a multi-mediacard (MMC)/SD slot that is used to insertoptional-purchasecards containing additional detailed maps. If you insert an MMC/SD that contains a more detailed chart for a particular location, your 900 Series™ Fishing System will retrieve that chart and display it automatically. Use the

illustration to locate the position of the MMC/SD slot cover, remove the MMC/SD slot cover, then insert the MMC/SD into the slot. The label on the MMC/SD should face toward the left side of the unit. Press down on the card until it clicks into place and replace the slot cover. Then, replace and tighten snugly - do NOT overtighten, as this will not improve water resistance, and may damage the cover.

Software Updates

Use the MMC/SD slot to update the software version of your control head. To update the software in your control head, plug in the appropriate MMC/SD card that contains a software update file; the unit will recognize it, will tell you what software version your control head is currently running, and will ask you if you want to update the software in the unit to match that on the MMC/SD card. You can obtain software updates from the www.humminbird.com website.

5

Accessory Bus

Use the Accessory Bus to expand the functionality of your 900 Series™. Accessories plug directly into the 900 Series™, enabling Advanced features such as WeatherSense® and the SmartCast® Wireless Sonar Link. Additional tabs and menu choices will be added to the menu system automatically when

Accessory Bus an accessory is plugged into the unit. In addition, multiple accessories can be attached simultaneously. SeeAccessories Menu Tab and900 Series™ Accessories in this manual, as well as your accessory Operations Manual for additional details.

NOTE: Accessories to enable WeatherSense® and the SmartCast® Wireless Sonar Link require separate purchases. You can visit our website at www.humminbird.com or contact our Customer Resource Center at 1-800-633-1468for additional details.

Installation Overview

Please read all instructions that are relevant for your configuration before beginning the installation process.

NOTE: Installation procedures will depend on product configuration.

The 900 Series™ has a wide variety of configurations.

2

1

3

8

4

6 7

5

 

Accessory Bus

 

1

Speed through water

5

2

GPS Receiver

6

3

WeatherSense®

7

4

SmartCast® Wireless Sonar Link

8

5

6

Inside the boat there is often a channel or conduit used for other wiring, this can be used to route cables. Be sure to route the cable as far as practical from the antenna cable of VHF radios or tachometer cables to reduce the possibility of interference. The transducer and GPS receiver cables should not be cut, and care should be used not to damage the cable insulation.

Basic installation tasks that you must perform include:

Installing the control head (choosing either gimbal or in-dashmounting, wherein-dashmounting requires a separate purchase)

Installing the transducer (choosing either the transom mount, inside the hull mount, or trolling motor mounting method)

Installing the GPS Receiver (if included)

Testing the complete installation and locking the transducer position.

NOTE: Accessories may require a separate purchase. You can visit our website at www.humminbird.com to order these accessories online or contact our Customer Resource Center at 1-800-633-1468.

Gimbal Mounting the Control Head

If you are gimbal mounting the Humminbird® 900 Series™, you can preassemble the unit in order to plan the best mounting location.

1

3

1

2

3

Control Head Installation

You have two choices for mounting your 900 Series™ control head, Gimbal mounting, where you use a surface on the boat, such as the dash, to mount the control head so that it can be tilted up or down, or In-dashmounting, which requires a separate purchase.

In addition to the hardware supplied with your control head, you will need a powered hand drill and various drill bits, various hand tools, including a Phillips head screwdriver, a socket wrench and a flat head screwdriver, a marker or pencil, safety glasses and dust mask, and marine-gradesilicone sealant.

7

1.Place the control head into the gimbal bracket. Make sure that the straight side of the gimbal arm is against the back side of the control head.

2.Place a 1" (25 mm) diameter black washer on the gimbal knob and then thread the knob and washer into the housing. Tighten the gimbal knob to secure the 900 Series™ control head to the mount. Repeat step 2 for the other side.

You can now place the control head in various locations to decide which is best for mounting. Rotating the mounting bracket to the top of the control head will allow for overhead mounting. The chosen mounting area should allow for sufficient room so the control head can pivot through the full tilt range and allow for easy removal and installation.

NOTE: You can drill the cable pass hole underneath the gimbal bracket, allowing you to thread the cables through the knock-outholes in the mount; however, if you cannot drill the hole directly under the mounting bracket, then you will need to drill the cable pass hole behind the bracket, and will need to mount the hole cover there instead.

NOTE: When drilling holes in fiberglass hulls, it is best to start with a smaller bit and use progressively larger drill bits to reduce the chance of chipping or flaking the outer coating. Fill all holes with marine grade silicone sealant.

NOTE: You must have underside access to the mounting location to pass the cables through to the surface. Also, make sure that the mounting surface is adequately supported to protect the control head from excessive wave shock and vibration and provide visibility while in operation.

3.After the mounting location has been determined, loosen the gimbal knobs and remove the control head from the gimbal bracket.

NOTE: Alternate hole patterns are available on the gimbal mounting bracket, and may match existing holes on the boat. You may choose to use one of these alternate hole patterns.

4.Place the gimbal bracket in the chosen position on the mounting surface and mark the four mounting screw locations using a pencil or center punch.

NOTE: Go to the installation instructions applicable to your transducer, GPS Receiver and accessories. Make the required installations and then run the cables to your control head mounting location. Do not cut any cabling (except the power cable). If your cables are too short, extensions are available from your local dealer or online from www.humminbird.com.

8

1

3

2

1

Mounting Bracket 3

2

5.Set the gimbal bracket aside and drill the four mounting screw holes using a 5/32" (4.0 mm) drill bit.

6a. If the cables must pass through a hole directly beneath the mounting bracket, mark and drill an additional 1" (25 mm) hole centered between the four mounting holes. Route the cables through the 1" hole. Place the hole cover over the mounting surface

hole, then use it to mark the position of the two mounting screws. Remove the hole cover, drill the two mounting holes using a 9/64" bit. Do not install the hole cover at this time.

6b. If the cables cannot be routed directly beneath the mounting bracket, mark and drill a 1" (25 mm) hole that will allow you to run the cables close to the bracket. Pass the cables through the 1" (25 mm) hole, routing the cables through the grommet and pressing the grommet into place. Place the hole cover over the mounting surface hole, then use it to mark the position of the two mounting screws. Remove the hole cover, drill the two mounting holes using a 9/64" (3.5 mm) bit, fill them with marine-gradesilicone, then replace the hole cover and insert the #8 Phillips countersink wood screws.

Hand-tightenonly.

7.Place the mounting bracket on the mounting surface aligned with the drilled holes and fill the mounting holes with marine grade silicone. Insert the four #10 Slotted-Hexwood screws into the mounting holes.Hand-tightenonly.

8.If the cable pass through hole is beneath the mounting bracket, you will need to install the hole cover. Place the hole cover over the mounting bracket cable pass thru hole and align with holes drilled in step 6a. Insert the #8 Phillips countersink wood screws. Hand tighten only.

NOTE: Be sure that the cables pass through the slots on the hole cover and that there is enough cable slack to allow for the control head to pivot through its full tilt range. Extra cable slack will also help when connecting/disconnecting the cables.

9

Cables Routed Directly Beneath Mounting Bracket

Cables Routed Behind Mounting Bracket

2

1

 

1

3

 

2

 

1

1

2

2

3

9. Insert cable connectors into the proper recesses on the cable collector insert. The cable connectors are keyed to prevent reverse installation, so be careful not to force the connectors into the wrong slots. If you don’t have a cable for every hole in the insert, install the blank plugs to protect the control head from the weather.

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Plug Cable Connector Assembly to Back of Control Head

10. While holding cables in place in the cable collector insert, thread the cables through the slot in the bottom of the cable collector cover, line up the cable collector insert and cover, then slide the cover into place on the insert.

NOTE: The tab on the Cable Collector insert goes into the slot on the cover.

10.Attach the cable collector insert to the cable collector cover using the 2 Phillips screws provided.

11.Place the control head back onto the mounting bracket. Plug in the cable collector assembly to the back of the control head. Cable connectors and cable sockets are keyed to prevent reverse installation, so be careful not to force the connectors into the wrong sockets. Once the cable collector and all cables are plugged into the back of the control head, lock the assembly into place by threading the knurled screw into the threaded insert on the back of the housing. Adjust the control head to the desired viewing angle and secure by tightening the gimbal knobs.

NOTE: You may wish to dress the cabling with nylon wire ties in order to hold the cables together and create a cleaner assembly.

The Humminbird® 900 Series™ control head is now ready for operation.

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Connecting the Control Head Power Cable to the Boat

A 6' (2 m) long power cable is included to supply power to the control head. You may shorten or lengthen the cable using 18 gauge multi-strandedcopper wire.

CAUTION: Some boats have 24 or 36 Volt electric systems, but the control head MUST be connected to a 12 VDC power supply.

The control head power cable can be connected to the electrical system of the boat at one of two places: a fuse panel usually located near the console, or directly to the battery.

POSITIVE

GROUND

NOTE: Make sure that the power cable is disconnected from the control head at the beginning of this procedure.

NOTE: Humminbird® is not responsible for over-voltageorover-currentfailures. The control head must have adequate protection through the proper selection and installation of a 3 amp fuse.

1a. If a fuse terminal is available, use crimp-ontype electrical connectors (not included) that match the terminal on the fuse panel. Attach the black wire to ground(-),and the red wire to positive (+) 12 VDC power. Install a 3 amp fuse (not included) for protection of the unit. Humminbird® is not responsible for overvoltage ofover-currentfailures.

or...

1b. If you need to wire the control head directly to a battery, obtain and install an inline fuse holder and a 3 amp fuse (not included) for the protection of the unit. Humminbird® is not responsible for overvoltage or over-currentfailures.

NOTE: In order to minimize the potential for interference with other marine electronics, a separate power source (such as a second battery) may be necessary.

You are now ready to install the transducer. Find the section that refers to your specific transducer installation method.

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Transducer Installation

There are two different installation methods for your transducer:

Transom Transducer

Trolling Motor Transducer.

Find the section that describes the method of installation you will be using.

The Side Imaging transducer has some special requirements because of its side viewing capabilities:

The Side Imaging transducer must NOT have anything obstructing the ‘view’ of the side looking beams, i.e. nothing can be in the line of sight of these beams (not a hull, motor, or other transducer, etc).

NOTE: You may need to tilt the motor up and out of the way when using the side looking beams.

In order for the side beams to be displayed accurately, the transducer must be mounted so that it is looking straight down in the water when the boat is in the water.

Transducer Position

 

Motor Position

 

 

 

NOTE: If the included transducer will not work for your application, you may exchange it, NEW and UNASSEMBLED, with mounting hardware included, for a transducer appropriate for your application - often at very little or no charge depending on the transducer. Call the Humminbird® Customer Resource Center at 1-800-633-1468for details and pricing, or visit www.humminbird.com.

NOTE: Due to the wide variety of hulls, only general instructions are presented in this installation guide. Each boat hull represents a unique set of requirements that should be evaluated prior to installation. In addition to the hardware supplied with your transducer, you will need a powered hand drill and various drill bits, various hand tools, including a ruler or straightedge, a marker or pencil, safety glasses and dust mask, and marine-gradesilicone sealant.

NOTE: Please read all instructions carefully and completely before beginning the installation process.

NOTE: When drilling holes in fiberglass hulls, it is best to start with a smaller bit and use progressively larger drill bits to reduce the chance of chipping or flaking the outer coating.

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