Teledyne STREAMPRO User manual

Information included herein is controlled by the Export Administration Regulations (EAR) and may
require an export license, license exception or other approval from the appropriate U.S. Government
agency before being exported from the United States or provided to any foreign person. Diversion
contrary to U.S. law is prohibited.
STREAMPRO
ADCP GUIDE
P/N 95B-6003-00 (April 2022)
© 2022 Teledyne RD Instruments, Inc. All rights reserved.
www.teledynemarine.com/rdi

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TABLE OF CONTENTS
CHAPTER 1-AT A GLANCE...................................................................................................................................1
StreamPro ADCP Overview ..........................................................................................................................2
Inventory..............................................................................................................................................3
StreamPro ADCP Options .............................................................................................................................4
StreamPro ADCP Care ..................................................................................................................................6
General Handling Guidelines................................................................................................................6
Assembly Guidelines ............................................................................................................................6
Deployment Guidelines ........................................................................................................................6
CHAPTER 2–STREAMPRO ADCP ASSEMBLY............................................................................................................7
Attaching the Electronic Housing .................................................................................................................9
Attaching / Removing the Solar Shield.........................................................................................................9
Assembling the Boom ..................................................................................................................................10
Adjusting the StreamPro Transducer ...........................................................................................................11
Adjusting the Towing Harness Angle............................................................................................................13
Storing the StreamPro ADCP........................................................................................................................13
CHAPTER 3–STREAMPRO ADCP MAINTENANCE ......................................................................................................15
StreamPro ADCP Parts Locations .................................................................................................................16
Spare Parts ...................................................................................................................................................17
Replacing Batteries ......................................................................................................................................17
Periodic Maintenance ..................................................................................................................................19
Calibration Items ..................................................................................................................................19
Visual Inspection of the StreamPro......................................................................................................20
Removing Biofouling ............................................................................................................................21
Replacing the Battery Compartment O-Ring........................................................................................22
Replacing the Electronic Housing O-Ring .............................................................................................23
Transducer Cable Connector Repair.....................................................................................................25
CHAPTER 4-RETURNING SYSTEMS TO TRDI FOR SERVICE ............................................................................................27
Shipping the ADCP .......................................................................................................................................28
Returning Systems to the TRDI Factory........................................................................................................29
Returning Systems to TRDI Europe Factory..................................................................................................30
CHAPTER 5-STREAMPRO ADCP COMMANDS..........................................................................................................33
Data Communication and Command Format ..............................................................................................34
Command Input Processing .................................................................................................................34
Data Output Processing........................................................................................................................35
Command Descriptions ................................................................................................................................35
Miscellaneous Commands ...................................................................................................................35
? – Help Menus ..............................................................................................................................35
V - Display Banner..........................................................................................................................36
OL – Display Feature List ................................................................................................................36
Control System Commands ..................................................................................................................37
CK - Keep Parameters ....................................................................................................................37
CR – Retrieve Parameters ..............................................................................................................37
CS – Start Pinging (Go) ...................................................................................................................37
Environmental Commands...................................................................................................................38
EB - Heading Bias ...........................................................................................................................38
EC - Speed of Sound .......................................................................................................................38
ED - Depth of Transducer...............................................................................................................38
EH - Heading ..................................................................................................................................39
EP - Pitch (Tilt 1).............................................................................................................................39
ER - Roll (Tilt 2)...............................................................................................................................40
ES – Salinity ....................................................................................................................................40

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ET - Temperature ...........................................................................................................................40
EX – Coordinate Transformation....................................................................................................41
EZ - Sensor Source..........................................................................................................................42
Fault Log Commands....................................................................................................................................43
LC – Clear Fault Log........................................................................................................................43
LD – Display Fault Log ....................................................................................................................43
Performance and Testing Commands ..................................................................................................44
PC – Built-in Tests ..........................................................................................................................44
PS – Display System Parameters ....................................................................................................45
PT - Built-In Tests ...........................................................................................................................46
Sensor Commands................................................................................................................................47
SA – Compass.................................................................................................................................47
SZ - Sensor Installed .......................................................................................................................47
Timing Commands................................................................................................................................48
TS – Set Real-Time Clock ................................................................................................................48
Water Profiling Commands ..................................................................................................................49
WF – Blank after Transmit .............................................................................................................49
WM - Profiling Mode .....................................................................................................................49
WN – Number of Bins ....................................................................................................................50
WP – Pings per Ensemble...............................................................................................................50
WS – Depth Cell Size ......................................................................................................................50
CHAPTER 6–OUTPUT DATA FORMAT.....................................................................................................................51
Introduction to Output Data Format............................................................................................................52
Header Data Format.....................................................................................................................................54
Fixed Leader Data Format ............................................................................................................................56
Variable Leader Data Format .......................................................................................................................62
Velocity Data Format ...................................................................................................................................67
Correlation Magnitude, Echo Intensity, and Percent-Good Data Format ....................................................69
Bottom-Track Data Format ..........................................................................................................................72
StreamPro Leader Format ............................................................................................................................76
Instrument Transformation Matrix Format..................................................................................................78
Compass BIT Status Word Format................................................................................................................79
Reserved BIT Data Format............................................................................................................................80
Checksum Data Format................................................................................................................................80
PDDecoder Library in C language .................................................................................................................81
CHAPTER 7-STREAMPRO ADCP SPECIFICATIONS......................................................................................................83
APPENDIX-A –USING THE RIVERBOAT SP-C ............................................................................................................91
APPENDIX-B –USING THE GPS MOUNTING KITS.......................................................................................................99
APPENDIX C-NOTICE OF COMPLIANCE ...................................................................................................................103
Date of Manufacture....................................................................................................................................104
Environmental Friendly Use Period (EFUP) ..................................................................................................104
WEEE............................................................................................................................................................104
CE .................................................................................................................................................................104
Material Disclosure Table.............................................................................................................................105
LIST OF FIGURES
Figure 1. StreamPro ADCP Overview.........................................................................................................2
Figure 2. Riverboat SP by Oceanscience....................................................................................................4
Figure 3. Q/Z 1250 Power Trimaran..........................................................................................................4
Figure 4. SXBlue II GPS with Mounting Kit.................................................................................................5
Figure 5. StreamPro ADCP Assembly – Boom in Extended Position..........................................................8

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Figure 6. StreamPro ADCP Assembly – Boom in in-hull Position...............................................................8
Figure 7. M6 Standoff Bolt on Electronic Housing Cover Plate .................................................................9
Figure 8. In-Hull Position .........................................................................................................................10
Figure 9. Extended Position.....................................................................................................................11
Figure 10. Forward Mark on Transducer...................................................................................................12
Figure 11. Transducer Adjustment for In-Hull...........................................................................................12
Figure 12. Transducer Adjustment for Extended Boom ............................................................................12
Figure 13. StreamPro Shipping Case .........................................................................................................13
Figure 14. StreamPro ADCP Electronic Housing Assembly ........................................................................16
Figure 15. StreamPro Battery Replacement..............................................................................................18
Figure 16. Closing the Battery Cover.........................................................................................................19
Figure 17. StreamPro Transducer Assembly and Cable Connector ...........................................................21
Figure 18. PD0 Standard Output Data Buffer Format ...............................................................................53
Figure 19. Binary Header Data Format......................................................................................................54
Figure 20. Fixed Leader Data Format ........................................................................................................57
Figure 21. Variable Leader Data Format ...................................................................................................63
Figure 22. Velocity Data Format................................................................................................................67
Figure 23. Binary Correlation Magnitude, Echo Intensity, and Percent-Good Data Format .....................69
Figure 24. Binary Bottom-Track Data Format ...........................................................................................73
Figure 25. Binary StreamPro Leader Format .............................................................................................76
Figure 26. Instrument Transformation Matrix Format..............................................................................78
Figure 27. Compass BIT Status Word Format............................................................................................79
Figure 28. Reserved BIT Data Format........................................................................................................80
Figure 29. Checksum Data Format ............................................................................................................80
Figure 30. Outline Installation Drawing 96B-6034 – Sheet 1 of 3 .............................................................87
Figure 31. Outline Installation Drawing 96B-6034 – Sheet 2 of 3 .............................................................88
Figure 32. Outline Installation Drawing 96B-6034 – Sheet 3 of 3 .............................................................89
LIST OF TABLES
Table 1: Spare Parts ...............................................................................................................................17
Table 2: Visual Inspection Criteria..........................................................................................................20
Table 3: Retrieve Parameters.................................................................................................................37
Table 4: Coordinate Transformation Processing Flags ...........................................................................41
Table 5: Sensor Source Switch Settings..................................................................................................42
Table 6: Fault log Error Codes ................................................................................................................43
Table 7: Water Modes ...........................................................................................................................49
Table 8: Data ID Codes ...........................................................................................................................52
Table 9: Header Data Format.................................................................................................................55
Table 10: Fixed Leader Data Format ........................................................................................................58
Table 11: Variable Leader Data Format ...................................................................................................64
Table 12: Velocity Data Format................................................................................................................68
Table 13: Correlation Magnitude Data Format ........................................................................................70
Table 14: Echo Intensity Data Format......................................................................................................70
Table 15: Percent-Good Data Format ......................................................................................................71
Table 16: Bottom-Track Data Format.......................................................................................................74
Table 17: StreamPro Leader Format ........................................................................................................77
Table 18: Instrument Transformation Matrix Format..............................................................................79
Table 19: Compass BIT Status Word Format............................................................................................79
Table 20: Reserved for TRDI Format ........................................................................................................80
Table 21: Checksum Data Format ............................................................................................................80
Table 22: Velocity Profiling Specifications ...............................................................................................84
Table 23: Long Range Mode Specifications..............................................................................................84
Table 24: Transducer Specifications.........................................................................................................85
Table 25: Standard Sensors Specifications...............................................................................................85

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Table 26: Optional Compass Specifications .............................................................................................85
Table 27: Communications Specifications................................................................................................85
Table 28: StreamPro ADCP Environmental Specifications .......................................................................86
Table 29: StreamPro ADCP Power Specifications.....................................................................................86
Table 30: StreamPro ADCP Physical Properties .......................................................................................86
Table 31: Toxic or Hazardous Substances and Elements Contained in Product.....................................105
REVISION HISTORY
April 2022
•95Z-6007-00 replaces the 90Z-8000-00 CD
November 2021
•Updated Appendix A
August 2021
•Updated contacting TRDI table
•Added link to PD0Decoder
•Replaced float with tethered trimaran
July 2019
•Updated the assembly guidelines with the note that the compass is inside the electronics
•Updated TRDI contact information
•Added information about spacer on Using the GPS Mounting Kits
•Updated logo
June 2018
•Added a deployment guide to the documentation
•Replaced Quick Start Card with a Getting Started sheet
•Updated the inventory section
•Added figure showing compass location and orientation
•Added Export Administration Regulations (EAR) footers
September 2015
•Updated the inventory section
•Updated the PS0 example output
•Updated the power specification
May 2013
•Updated inventory section
April 2012
•Changed name of manual from StreamPro ADCP Operation Manual to StreamPro ADCP Guide.
•Update fonts and styles used throughout the manual.

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•Corrected ED command Range from 0 to 65535 decimeters (meters x 10) to 0 to 200 decimeters
(meters x 10) (see ICN 132).
•Corrected Velocity Profiling Specifications: The 1st Cell start specification and velocity range was
corrected and the wording revised to be consistent with the StreamPro brochure (see ICN 133).
•Corrected EX command default (with compass) from EX10xx0 to EX101x1 (See ICN 136).
•Corrected WF command range from 0 to 50 cm to 0 to 9999 cm.
•Added note that some Bluetooth devices may ask for a pin code. The pin code is 0 (zero, not the
letter O). Some Bluetooth devices may ask for a Pin code, Pair code, Pairing code, Security code,
or Bluetooth code. In all cases, the code is zero.
•Moved outline installation drawings to the end of the specifications.
•Added StreamPro ADCP Options.
•Added Appendix A and B.
•Moved Notice of Compliance information to Appendix C.
November 2009
•General update to match version 3.33 software.
EXCLUSIONS AND OMISSIONS
•This manual covers the StreamPro ADCP hardware and firmware. For information on how to use
the Windows 8 tablet and WinRiver II or SxS Pro software, see the Windows 8 Tablet Setup Card.
•For instructions on using a laptop computer with Bluetooth running the WinRiver II or SxS Pro
software, see the appropriate software user’s guide.
•For instruction on using the Parani UD100 USB Bluetooth device, see the instructions included
with the device and the WinRiver II User's Guide.
•For instruction on using the SENA SD1000U Bluetooth device, see the WinRiver II User's Guide
and the WinRiver II SD1000U Bluetooth Setup Card.
•For instructions on using the SXBlue II-L GPS for OmniSTAR, see FST-043.

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HOW TO CONTACT TELEDYNE RD INSTRUMENTS
If you have technical issues or questions involving a specific application or deployment with your instru-
ment, contact our Field Service group:
Teledyne RD Instruments Teledyne RD Instruments Europe
14020 Stowe Drive
Poway, California 92064
2A Les Nertieres
5 Avenue Hector Pintus
06610 La Gaude, France
Phone [phone] Phone [phone]
Sales – [e-mail] Sales – [e-mail]
Field Service – [e-mail] Field Service – [e-mail]
Client Services Administration – [e-mail]
Web: http://www.teledynemarine.com/rdi
For all your customer service needs including our emergency 24/7 technical support, call [phone]
Self-Service Customer Portal
Use our online customer portal at http://www.teledynemarine.com/rdi and click on the Support link to download manuals
or other Teledyne RDI documentation.
Teledyne Marine Software Portal
Teledyne RD Instruments Firmware, software, and Field Service Bulletins can be accessed only via our Teledyne Marine soft-
ware portal.
To register, please go to https://tm-portal.force.com/TMsoftwareportal to set up your customer support account. After your
account is approved, you will receive an e-mail with a link to set up your log in credentials to access the portal (this can take
up to 24 hours).
Once you have secured an account, use the Teledyne Marine software portal to access this data with your unique username
and password.
If you have an urgent need, please call our Technical Support hotline at [phone].

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CONVENTIONS USED IN THIS MANUAL
Conventions used in the StreamPro documentation have been established to help you learn how to use the
StreamPro quickly and easily.
Software menu items are printed in bold: File menu, Collect Data. Items that need to be typed by the
user or keys to press will be shown as F1. If a key combination were joined with a plus sign (ALT+F), you
would press and hold the first key while you press the second key. Words printed in italics include pro-
gram names (StreamPro) and file names (default.txt).
Code or sample files are printed using a fixed font. Here is an example:
Code or sample files are printed using a fixed font. Here is an example:
StreamPro ADCP
Teledyne RD Instruments (c) 2015
All rights reserved.
Firmware Version: 31.xx
>?
You will find two other visual aids that help you: Notes and Cautions.
This paragraph format indicates additional information that may help you avoid problems or
that should be considered in using the described features.
This paragraph format warns the reader of hazardous procedures (for example, activities that
may cause loss of data or damage to the StreamPro ADCP).

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NOTES

StreamPro ADCP Guide P/N 95B-6003-00 (April 2022)
EAR-Controlled Technology Subject to Restrictions Contained on the Cover Page. Page 1
Chapter
1
A
T A
G
LANCE
This chapter includes:
•StreamPro ADCP overview
•Inventory of parts
•StreamPro ADCP options
•StreamPro ADCP assembly
•Caring for your StreamPro ADCP

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StreamPro ADCP Overview
The StreamPro ADCP is designed to measure real-time velocity and discharge measurements in shallow
streams. The StreamPro system consists of a transducer, electronics housing, tethered trimaran, and soft-
ware.
Transducer Assembly – The transducer assembly contains the transducer ceramics and the electronics. See
Specifications for dimensions and weights. The transducer ceramics are mounted to the transducer. The
thermistor is embedded in the transducer head and measures the water temperature.
Tethered trimaran, Boom, and Tow Arm – The tethered trimaran, deployment boom and tow arm are de-
signed to maintain the transducer at a constant depth in the water with minimal water flow disturbance.
Electronics Housing – The blue and white plastic housing protects the electronics and is “splash proof” (i.e.
it can be submerged in depths to one to two meters for short periods of time as you retrieve the
StreamPro).
Power Switch and LEDs – The power switch is located on the electronics housing. The amber LED on the
electronics housing indicates power on; the blue LED indicates that a Bluetooth link has been acquired. A
blinking amber LED indicates the battery level is low.
Figure 1. StreamPro ADCP Overview

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Inventory
Included with the StreamPro system:
Part Number Name Description
SPADCP-I StreamPro system The StreamPro system includes the transducer and electronics housing.
When unpacking, use care to prevent physical damage to the transducer
and connector. Use a soft pad to protect the transducer.
Included with the StreamPro Accessories Kit (SPADCP-A):
Part Number Name Description
1650 Shipping case Shipping case with custom foam cutouts.
SPTETHERED
TRIMARAN
StreamPro
Tethered trimaran
Tri-hull tethered trimaran and arm assembly for tethered deployments.
Various GPS mounts and kits are available. For more information on GPS
mounting kits, see Appendix B.
75BK6007-00 Solar Shield Protects the electronics housing from the sun/overheating.
PC1500 AA batteries 16 AA batteries
95Z-6007-00 Download instructions This sheet has instructions for downloading the software and manuals.
WinRiver II Software TRDI’s river and coastal data acquisition software package where the
primary use is for discharge calculation. Although this is its primary func-
tion, it can be used for general coastal survey applications.
TRDI Toolz Software Utility and testing software that can be used to test the StreamPro.
SxS Pro Software
(optional)
Section-by-Section (SxS) Pro is a stationary ADCP discharge data collec-
tion and processing program (registration code is required to collect
data).
Q-View Software
(optional)
Q-View is designed for customers using WinRiver II software to have
easy access to an evaluation of the quality of collected data while they
are still in the field and back in the office (registration code is required).
75BK6057-00 Windows Tablet (optional) Optional Windows tablet and tablet setup card.
95B-6128-00 StreamPro Getting Started A printed reference card showing how to get started with the
StreamPro.
95B-6129-00 StreamPro Deployment
Guide
A Printed guide showing the steps needs for a successful deployment.
957-6277-00 SD1000U Bluetooth Com-
munications Setup Card
A printed quick reference card showing Bluetooth communications
setup using the SD1000U.
SD1000U
DAT5-G01R
USB Bluetooth device USB Bluetooth device SD1000U and Sena DAT5-G01R antenna.
75BK6003-00 Spare parts kit See Table 1, page 17 for a list of parts included.
For instructions on using the SD1000U USB Bluetooth device, see the WinRiver II or SxS Pro
Software User’s Guide and the instructions included with the device.
For information on how to set up the tablet and WinRiver II or SxS Prosoftware, see the
Windows 8 Tablet Setup Card.

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StreamPro ADCP Options
The StreamPro has several options:
Riverboat SP – The Oceanscience Riverboat SP provides a stable platform for the StreamPro ADCP in high-
flow water.
The standard StreamPro tethered trimaran works well in flows to 1.5 meters/second. The
Riverboat SP can be used in flows to approximately 4.5 meters/second (condition
dependent).
For more information, see Appendix A
Photo credits - The Oceanscience Group
Figure 2. Riverboat SP by Oceanscience
Q/Z 1250 Power Trimaran – The Q/Z 1250 is designed specifically for shallow water applications. This one-
man portable remote vehicle is easy to set up, easy to operate, and accepts most industry standard ADCPs.
Figure 3. Q/Z 1250 Power Trimaran

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SXBlue II GPS and Mounting Kits – The GPS mounting kit is designed to hold the GENEQ SXBlue II GPS unit
to either the standard StreamPro tethered trimaran or the Riverboat SP. The mounting kit is available
from TRDI. The SXBlue II GPS system may be purchased separately from TRDI or other sources.
Figure 4. SXBlue II GPS with Mounting Kit
Additional SX Blue GPS receivers with extended capabilities are available – contact TRDI with
your requirements for more information.
For more information on GPS mounting kits, see Appendix B.
For information on the SX Blue GPS, see http://www.sxbluegps.com/welcome.html.
SxS Pro – The SxS Pro software running on a laptop with a Bluetooth connection can be used in place of
the WinRiver II software. For more information, see the SxS Pro User’s Guide.
•SxS Pro software can be downloaded at: http://www.rdinstruments.com/support/softwarefirm-
ware/cc_software.aspx Item 4a
•To purchase a registration code to enable the software’s full capability, please contact field service
at: e-mail: [e-mail] | Tel. [phone].
•SxS Pro Quick Start and Users Guide can be downloaded at: http://www.rdinstruments.com/sup-
port/documentation/cc_documents.aspx Items 19F and 19G.
Q-View Software – Q-View is designed for customers using TRDI’s discharge measurement products such
as the RiverRay, RiverPro/RioPro, StreamPro, and Rio Grande ADCPs with the Win-River II software to
have easy access to an evaluation of the quality of collected data while they are still in the field and back in
the office. To purchase a registration code to enable the software, please contact field service.
Windows Tablet –Use the optional tablet to collect data using the WinRiver II or SxS Pro software. The
tablet also supports using Q-View.

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StreamPro ADCP Care
This section contains a list of items you should be aware of every time you handle, use, or deploy your
StreamPro. Please refer to this list often.
General Handling Guidelines
•Never set the transducer on a hard or rough surface. The urethane faces may be damaged.
•Do not expose the transducer faces to prolonged sunlight. The urethane faces may develop cracks.
Cover the transducer faces on the StreamPro if it will be exposed to sunlight.
•Do not store the StreamPro ADCP in extreme temperatures (see Table 28). The urethane faces
may be damaged.
•Do not lift or support a StreamPro by the external cable. The connector or cable will break.
•Do not leave the batteries inside the StreamPro ADCP for extended periods. The batteries may
leak, causing damage to the electronics.Store the batteries in a cool, dry location (0 to 21 degrees
C).
Assembly Guidelines
•Read the Maintenance section for details on StreamPro assembly. Loose, missing, stripped hard-
ware, or damaged O-rings can lead to water ingress and damage to the StreamPro ADCP.
•Do not connect or disconnect the transducer cable with power applied. When you connect the
cable with power applied, you may see a small spark. The connector pins may become pitted and
worn.
•The StreamPro’ s compass is located in the Electronic Chassis. Beam 3 orientation is toward the
power switch and the connector should be facing forward if the Electronic Chassis is mounted on
a different tethered trimaran/boat.
Deployment Guidelines
•Bluetooth communications will not work if the internal temperature of the StreamPro ADCP is above
50 degrees C.If you are having communication problems and are operating in a hot, sunny cli-
mate, allow the StreamPro ADCP to cool before continuing.

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Chapter
2
S
TREAM
P
RO
ADCP
A
SSEMBLY
This chapter includes:
•Attaching the electronics housing to the tethered trimaran
•Attaching and removing the solar shield
•Assembling the boom arm
•Adjusting the towing harness angle
•Storing the StreamPro ADCP

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This section shows how to assemble the StreamPro tethered trimaran and attach the transducer to the
deployment boom.
Figure 5. StreamPro ADCP Assembly – Boom in Extended Position
Figure 6. StreamPro ADCP Assembly – Boom in in-hull Position
The StreamPro’s compass is located in the Electronic Chassis. Beam 3 orientation is toward
the power switch and the connector should be facing forward if the Electronic Chassis is
mounted on a different tethered trimaran/boat.

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Attaching the Electronic Housing
To attach the electronic housing to the tethered trimaran:
1. Attach the mounting plates to the electronic housing using the four flat head screws.
2. Attach the mounting plates to the tethered trimaran using the four flat head screws. The I/O cable
connector should be facing toward the front of the tethered trimaran.
The electronic housing may be pre-installed.
Attaching / Removing the Solar Shield
To attach the solar shield:
1. Attach the solar shield to the standoff bolts on the electric housing cover plate using the attached
thumbscrews.
2. Tighten the thumbscrews “finger tight”. Do not over tighten.
It is important to only gently finger tighten the sunshield screws when placing the sunshield
back on the electronic housing M6 standoff bolts. Should any movement occur on the M6
standoff bolts due to over tightening the sun shield screws, the Loctite seal will be broken,
and thus allowing the M6 standoff bolts to subsequently become loose (see Figure 7).
To remove the solar shield:
1. Remove the solar shield by loosening the attached thumbscrews connected to the M6 standoff
bolts on the electric housing cover plate.
2. Lift the shield off of the M6 standoff bolts.
Removing the sunshield can possibly lead to the four M6 standoff bolts on the top of the
electronic housing to become loose, and therefore compromising the water seal integrity.
Always check that the M6 standoff bolts that the solar shield attaches to are secure (see
Figure 7).
If one or more of the M6 standoff bolts are loose, remove the cover plate and check the O-
ring condition (see Replacing the Electronic Housing O-Ring).
Only loosen the thumbscrews enough to remove the solar shield – do not remove the
thumbscrews from the shield.
Spring washer under compression
Spring washer not compressed
Figure 7. M6 Standoff Bolt on Electronic Housing Cover Plate

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Assembling the Boom
To attach the boom to the tethered trimaran:
1. Loosen the clamp thumbscrew on the boom. Feed the transducer cable up through the bottom of
the clamp.
2. Attach the transducer cable to the electronics housing. To make the connection, remove the pro-
tective cap from the receptacle on the electronics housing. Insert the cable connector into the re-
ceptacle, rotating it until the keyed portions are properly aligned. While keeping a slight inward
pressure on the cable connector and ensuring that the connector is straight, thread the coupling
ring onto the receptacle until it clicks to complete the connection.
Do NOT turn the coupling ring any further once it clicks into place. Over-tightening the
coupling ring will cause the locking teeth to break.
Do NOT use any tools to tighten the coupling ring. It should only be “finger tight”.
When fully seated and locked, the coupling ring is NOT flush against the transducer housing.
This is normal.
3. Attach the boom to the tethered trimaran using the supplied thumbscrews. The boom can be in-
stalled in the in-hull or extended positions. For fast moving water or where there is a chance of
the transducer hitting rocks, use the in-hull position. Slow moving streams can use the extended
position. For either position, make sure the embossed arrow on the top edge of the transducer is
pointing to the front of the tethered trimaran (see Figure 10).
Transducers manufactured prior to August 2009 use a counterweight. If you mounted the
boom in the in-hull position, attach the counterweight to the front thumbscrew. This helps
balance the tethered trimaran.
Figure 8. In-Hull Position