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Traditional Sonar and DSI Sonar Installation
This document covers the installation of the transducer and display unit installation, which includes con-
necting the unit to power and installing the unit on the bracket mount.
The first section of the document covers the installation of a traditional sonar skimmer transducer. DSI
sonar installation is covered in the last section of the manual.
Make sure you read all the installation instructions before drilling holes in your vessel!
NOTE: This majority of this installation does not apply to the GPS only units since they do
not have a transducer. Turn to pages 8-11 for information on mounting the display unit and
connecting the unit to power.
Traditional Sonar Transducer Installation
One piece bracket (Recommended Tools and Supplies — not included)
Drill
1" (25mm) or 5/8" (15mm) drill bit
#29 (0.136") (3mm) drill bit
Phillips (Slotted-head) screwdriver
0.TWEETY INSTALL_SONAR_DSI.indd 1
Marine grade above-or-below waterline sealant
Marine grade epoxy (Shoot-thru-hull install only)
Zip ties (trolling motor mount)
TMB-S bracket kit (Skimmer trolling motor mount)
9/14/2011 11:55:30 PM
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Summarization of Contents
Traditional Sonar Installation
Transducer Location and Alignment
Guides on selecting transducer location and ensuring proper alignment.
Transducer Bracket Assembly and Mounting
Instructions for assembling the bracket and attaching it to the transom.
Special Transducer Mounting Methods
Details for shoot-thru-hull and trolling motor transducer installations.
Connecting the Sonar Unit to Power
Steps for correctly wiring the sonar unit to the power source.
Display Unit Mounting
Mounting the Display Unit Bracket
Procedures for installing the display unit's mounting bracket.
Detaching the Display Unit
Instructions on how to remove the display unit from its bracket.
DSI Sonar Installation
DSI Transducer Location and Alignment
Guidance on choosing the optimal DSI transducer location and alignment.
DSI Transducer Mounting to Transom
Steps for physically attaching the DSI transducer to the boat's transom.
DSI Special Mounting Options
Instructions for DSI shoot-thru-hull and trolling motor transducer installations.
DSI Wiring and Data Connections
DSI unit wiring diagram and NMEA 0183 connection details.
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