Table of Contents
Introduction

1

How Sonar Works ....................................................................................................................

1

High Definition Side Imaging® Sonar (898c SI and 998c SI only)............................................

2

DualBeam PLUS™ Sonar (858c, 898c SI, 958c, 998c SI)..........................................................

3

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

3

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

4

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

4

Fishing System Configuration..................................................................................................

5

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

5

Video-Out and RS 232 Connectors..........................................................................................

6

Installation Overview

6

Control Head Installation

6

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

7

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

11

Transducer Installation Overview

12

858c & 958c Transom Mount Transducer Installation

 

DualBeam PLUS™ Transducer, XNT 9 20 T (858c and 958c only)

13

Overview................................................................................................................................

13

Locating the transducer mounting location..........................................................................

14

Preparing the Mounting Location ........................................................................................

15

Assembling the Transducer and Initial Mounting................................................................

16

Routing the Cable ................................................................................................................

20

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

21

Locking Down the Transducer (Optional)..............................................................................

23

858c & 958c Inside the Hull Transducer Installation

 

DualBeam PLUS™ Transducer, XNT 9 20 T (858c and 958c only)

24

Locating the transducer mounting location ........................................................................

24

Trial installation ......................................................................................................................

25

Routing the cable....................................................................................................................

26

Permanently mounting the transducer ................................................................................

26

898c SI & 998c SI Transom Mount Transducer Installation

 

Side Imaging Transducer, XHS 9 HDSI 180T (898c SI or 998c SI only)

27

Overview..................................................................................................................................

28

Locating transducer mounting location ................................................................................

28

Mounting the transducer bracket to the boat......................................................................

29

Attaching the pivot to the transducer ..................................................................................

30

Mounting the transducer pivot assembly to the bracket....................................................

30

Adjusting the running position of the transducer................................................................

31

Routing the cable....................................................................................................................

32

Testing the installation ..........................................................................................................

33

Trolling Motor Transducer Installation

33

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

33

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

33

GPS Receiver Installation Overview

34

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

35

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

36

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

36

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

37

ii

531743-1_B