Raymarine ST70 Instrument Assembly instructions

ST70 Instrument
UserReference
Manual
Document reference: 81284-1
Date: June2007
81284_1.book Page 1 Friday, May 4, 2007 7:29 AM

Raymarine, SeaTalk, SeaTalk2and SeaTalkng are trademarks of Raymarine plc
© Book contents copyright Raymarine plc
81284_1.book Page 2 Friday, May 4, 2007 7:29 AM

Contents i
Contents
Preface ...........................................................................................................................iii
Safetynotices ..........................................................................................................iii
WARNING: Product installation & operation..................................iii
WARNING: Electrical safety.................................................................iii
WARNING: Navigational safety...........................................................iii
EMCconformance ...................................................................................................iii
Certified installation ..................................................................................................iii
Productdocuments ..................................................................................................iii
Productdisposal ......................................................................................................iv
WasteElectricalandElectronic(WEEE) Directive ...................................iv
Chapter 1:ST70 General Information ................................................................... 1
1.1ST70OperatingPrinciples ............................................................................. 1
Controls.......................................................................................................... 1
Setupfunctions............................................................................................... 2
First use after installation................................................................................ 2
Instruments requiring commissioning......................................................... 2
Instruments not requiring commissioning................................................... 3
Normal operation............................................................................................ 4
Day-to-day setting up...................................................................................... 5
1.2System functionality ....................................................................................... 5
SeaTalk .......................................................................................................... 5
SeaTalk2& SeaTalkng....................................................................................................................................5
Power protocol ............................................................................................... 6
1.3Commissioningrequirement .......................................................................... 6
WARNING: Product installation & operation.................................. 6
Chapter 2:Commissioning Procedures ................................................................ 7
2.1Docksidesetup .............................................................................................. 7
WARNING: Product installation & operation.................................. 7
Switchon........................................................................................................ 7
Initialsetup..................................................................................................... 8
Select language.......................................................................................... 8
Vessel Type................................................................................................ 8
Selecttype ................................................................................................8
Autodetect results....................................................................................... 8
Time & Date................................................................................................ 8
Settingdate format ...................................................................................9
Settingtime format ....................................................................................9
Settinglocal time ....................................................................................10
Leavingdate&timesetup.......................................................................10
Data units.................................................................................................. 10
Leavingunitssetup ................................................................................. 11
Depthoffset...................................................................................................11
WARNING: Ensure you use the correct depth offset................. 12
Requirement............................................................................................. 12
Depth offset setup procedure ................................................................... 12
Set water temperature.................................................................................. 14
Set groundwind............................................................................................ 15
Set magnetic variation.................................................................................. 15
Changing response rate ............................................................................... 16
Ending dockside setup.................................................................................. 17
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ii ST70 Instrument User Reference Manual
2.2Seatrialcalibration .......................................................................................17
WARNING: Ensure you have sufficient sea room for calibration17
Preliminary procedures................................................................................. 18
Windtransducersetup.................................................................................. 18
Linearization .............................................................................................18
Alignment.................................................................................................. 19
Calibrate wind speed ................................................................................ 20
Speedcalibration.......................................................................................... 20
Start speed calibration.............................................................................. 21
Set to SOG ............................................................................................... 21
Manual calibration..................................................................................... 22
2.3Returnto normal operation .......................................................................... 23
2.4After commissioning .................................................................................... 23
EMC Conformance....................................................................................... 23
Chapter 3:Setup Procedures ................................................................................. 25
3.1Introduction ..................................................................................................25
3.2Procedures ..................................................................................................25
Changing the languageor vesseltype setting............................................... 25
Setting Language...................................................................................... 25
Setting Vessel Type.................................................................................. 26
CAUTION: Vessel Type setting also affects other parameters...26
Leaving Advanced Options....................................................................... 26
Changing the time/date format......................................................................26
Setting time format.................................................................................... 27
Setting date format ................................................................................... 27
Leaving time/date setup............................................................................27
Chapter 4:Maintenance & Troubleshooting ..................................................... 29
4.1Maintenance ................................................................................................ 29
Servicing andsafety ..................................................................................... 29
InstrumentCleaning ..................................................................................... 29
Cabling......................................................................................................... 29
4.2Troubleshooting ........................................................................................... 30
First considerations ...................................................................................... 30
Procedures................................................................................................... 30
Using About Displayfeature ......................................................................... 33
Technicalsupport.......................................................................................... 34
World wide web ........................................................................................ 34
Telephone help line .................................................................................. 35
Help us to help you................................................................................... 35
Specification............................................................................................................... 37
Glossary ....................................................................................................................... 39
Index.............................................................................................................................. 41
81284_1.book Page ii Friday, May 4, 2007 7:29 AM

Preface iii
Contents
Preface
Safety notices
EMC conformance
All Raymarine equipment and accessories are designedto the best industry
standardsfor usein the recreational marineenvironment.
The designand manufacture of Raymarine equipment andaccessoriesconformto
the appropriate Electromagnetic Compatibility (EMC)standards, butcorrect
installation is required to ensure that performance is not compromised.
Certified installation
Raymarine recommendscertified installation bya Raymarineapprovedinstaller. A
certified installation qualifies for enhancedwarrantybenefits. Contact your
Raymarine dealer for further detailsand refer to the separatewarrantydocument
packedwithyourproduct.
Product documents
Thefollowinguser documentsareavailableforST70:
• ST70 Operating Guide. Comprises a series of individual operating cards, which
provide day-to-dayoperatingand setting up procedures. Intendedfor allusers.
• ST70 User Reference Manual(thisdocument). Intendedfor users ingeneral and
commissioning personnelin particular. It describes:
• Commissioning procedures. These describe how to set up an ST70 instru-
ment whenfirst switched on after installation.
• Setup procedures not includedin the Operating Guide
WARNING: Product installation & operation
This equipment must be installed, commissioned and operated in
accordance with the Raymarine instructions provided. Failure to
do so could result in personal injury, damage to your boat and/or
poor product performance.
WARNING: Electrical safety
Makesureyouhaveswitchedoffthepowersupplybeforeyoustart
installing this product.
WARNING: Navigational safety
Although we have designed this product to be accurate and
reliable, many factors can affect its performance. Therefore, it
should serve only as an aid tonavigation and should never replace
commonsense and navigational judgement. Always maintain a
permanent watch so you can respond to situations as they
develop.
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iv ST70 Instrument User Reference Manual
• Routine maintenance instructions
• Troubleshooting instructions
• ST70InstallationGuide.DescribeshowtofitanST70instrumentandconnectitto
an operatingsystem. Intended for installers.
Additionalinformationon RaymarineSeaTalkng systems is givenin the SeaTalkng
ReferenceManual.
To thebest ofour knowledge, theinformation in the product documentswas correct
when they went topress. However, Raymarinecannot accept liability forany
inaccuraciesor omissions inproductdocuments.
Inaddition,ourpolicyofcontinuousproductimprovementmaychangespecifications
withoutnotice. Therefore, Raymarinecannot accept liability for anydifferences
between theproduct and theaccompanying documents.
Product disposal
Waste Electrical and Electronic (WEEE) Directive
The WEEE Directive requires the recycling of wasteelectricaland electronic
equipment.
Whilst theWEEE Directive does notapply to someof Raymarine's products,
we support its policy and ask you to be aware ofhow todisposeof thisproduct.
The crossedout wheeliebin symbol, illustrated above, andfound onour products
signifiesthat thisproduct shouldnot bedisposedof ingeneralwaste or landfill.
Pleasecontactyourlocaldealer,nationaldistributororRaymarineTechnicalServices
for information onproduct disposal.
81284_1.book Page iv Friday, May 4, 2007 7:29 AM

Chapter 1: ST70 General Information 1
Chapter 1: ST70 General Information
1.1 ST70 Operating Principles
TheST70instrumentrepeatsdatafromRaymarineSeaTalk,SeaTalk2andSeaTalkng
systems.Theactualinformationavailabledependsonwhatinformationispresenton
the system, i.e. what transducers are connected.
The ST70 instrument displays information onindividual operationalpages. Eight
pages are available, and you canscroll frompage topageby using the and
buttons.
Anoperationalpagecancomprisefromonetosixindividualdataframes.Youcanset
up thelayoutof eachpage byselecting one ofsixteeninbuilt pagelayouts then
defining thedata content of each frame on the page.
Controls
and buttons. Usedto:
• Scrolltodifferentoperatingpages.
• Select choices on setup pages
< and > buttons. Usedto:
• Scrolltodifferentmenuoptions.
• Set values on setup pages.
• Select choices on setup pages.
MENU button. Gives access to:
• All setup and reset functions.
• Selftestroutinesanddiagnosticinformation.
ENTER button. Used during setupprocedures to:
• Confirmamenu selection
• Save asettingand continue
CANCEL button. Used during setup proceduresto leavea setupfunctionwithout
making anychanges.
Powerbutton :
• Switchespower onand off.
• Provides access to screen brightness control.
ENTERCANCEL
MENU
D9262-1
Depth
ft
9. 0
Lat
N
Speed
kts
7. 0
Heading
xx
63
Time
24H
11:23
o
47o
Lon
47
Page 2
Page 1
Page 3Page 4
Page 5
Page 6 Page 7 Page 8
ENTERCANCEL
MENU
D9447-1
Power button
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2 ST70 Instrument User Reference Manual
Setup functions
In additionto the eight operational pages, setup menus and pages controlled bythe
front-panelbuttons,enableyoutoaccessandchangethe instrumentparameters.
Each setup menuprovides anumber of options. Use the < and > buttonsto scrollto
the menu item you want, then press
ENTER to confirm your selection.
When amenu selection results in asetup page,use the
< and > buttons toset the
valueor makethe selection that you want. Press
ENTER to confirmyour choice.
If at any time during setup, you want to leavea setup function withoutmakingany
changes, press
CANCEL .
First use after installation
When an ST70instrument is first switched onafter installation, what you see is
dependent onwhether the instrument requires commissioning or not.
Instruments requiring commissioning
If theST70 instrument is NOT part of a SeaTalkng system inwhichat leastoneother
ST70 instrument is already working, an initial setup mode isautomaticallyengaged
and atfirst switchon, a
Language setup page is displayed (see Figure 1-1: Initial
setup). This is the first part of thecommissioning procedureand enables you to set:
• Language.
• Vessel type.
• Time anddate formats.
• Localtimevalue.
•Units.
Details of how to set these values and commission the instrument are given in
Chapter2: Commissioning Procedures.
Note: The values setduring initialsetupcan be changed subsequently viathe Main Menu (see
Figure 1-2: Normal operation).
To choose option 1
press
To choose option 3
press
Press ENTER to select
Menu Title
Selected option
i
123
D10031-1
Information box
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Chapter 1: ST70 General Information 3
Figure 1-1: Initial setup
Instruments not requiring commissioning
If theST70 instrument is part of a SeaTalkng system in which at least one other ST70
instrument is alreadyworking, then anoperational page isdisplayed atinitial switch
on andyou can usethe instrument immediately. Inthis case, thenew instrument will
adoptthe settings that already apply inthe system.
POWER ON
First switch on
To normal operation
(Figure 1-2)
Initial setup
Welcome page
Language select
page
ENTER
SELECT BOAT TYPE
ENTER
TIME & DATE SUMMARY
ENTER
TIME & DATE SETUP
ENTER
UNITS SUMMARY
ENTER
UNITS SETUP
ENTER
ENTER
Hold down
D9777-1
ENTERCANCEL
MENU
Press ENTER to select
Language
English (UK)
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4 ST70 Instrument User Reference Manual
Normal operation
A summary of theday-to-dayoperating and setup functions isshown inFigure 1-2:
Normaloperation.Detailedoperatinginstructions aregiven inthe ST70Instrument
Operating Guide.
Figure 1-2: Normaloperation
Count down to
POWER OFF
POWER ON
Brightness
setup
ADVANCED OPTIONS
ALARMS
Edit alarm
Select previous page Select next page
PAGE LAYOUT
DIAGNOSTICS
Reset data pages
Only resettable data types on the current
operational page are available.
DISPLAY SETTINGS
ENTER
MENU
Press & releaseHold down
Hold downPress & release
User setup
Normal Operation
* also part of initial setup
Hold down
D9776-1
Turn page on/off
Rebuild page from new
Change data
Time & Date setup*
Brightness setup
Colors (day/night options)
Units setup*
Response setup
Rollover setup
Timers setup
Setup Wizard
Transducer Setup
Set Language*
Set Vessel Type*
Set Ground Wind
Set Variation
Select Boat Show Mode
Factory Reset
About Display
Self Test
ENTERCANCEL
MENU
Page displayed at
switch on, is same
as when intrument
last switched off
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Chapter 1: ST70 General Information 5
Day-to-day setting up
Instructions for setting upmany of the ST70 Instrument parametersare given inthe
ST70InstrumentOperatingGuideand are notrepeated here. Other setup
procedures are carried out duringCommissioningto set:
• Language.
•VesselType.
•Timeformat.
• Dateformat.
• Methodused for ground wind calculation
• Magnetic variation
• Responserate
Ifyouneedtochangeanyoftheseaftertheinstrumenthasbeencommissioned,refer
to theappropriate procedurein Chapter 3: Setup Procedures.
1.2 System functionality
Your ST70 instrument isfitted with Raymarine SeaTalkng connectors,but it canbe
connected to any ofthe following Raymarine systems, usingsuitableadaptor cables
asnecessary:
• SeaTalk
• SeaTalk2
• SeaTalkng
SeaTalk
When connectedto aSeaTalksystem, each ST70instrumentrepeats the SeaTalk
data. You canset thesystemvariation only if it hasnot beenset at anotherproduct.
You cannot set the data units or calibratethe system transducers.
SeaTalk
2
& SeaTalk
ng
When connected to a SeaTalk2&SeaTalkng system, each ST70 instrument repeats
thedataonthebus.Youcansettheinstrumentresponseasrequired.Youcansetthe
system variation only if it has not been set at another product.
Youcanalsocalibratethesystemtransducersandsetthedataunitsyouwanttoapply
tothesystem.
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6 ST70 Instrument User Reference Manual
Power protocol
PowertoeachindividualST70instrumentcanbeswitchedonandoffusingthepower
button (asdescribedintheST70OperatingGuide).However,whereinstruments
arepartof asystem,it maybemoreconvenienttoswitchpowerfortheentiresystem
from a central circuit breaker.
Inthiscase,whensystempoweris switchedONagain:
• ST70 instruments that were switched on when power was last switched off will
return tothe switched ON state.
• ST70 instruments that wereOFF when systempower was last switched OFF will
remainOFF andwill need to be switched ON individually using their power but-
tons.
1.3 Commissioning requirement
After installation, each ST70 instrument that is NOT part of a SeaTalkngsystem in
whichat leastone otherST70 instrumentis already set upand working must be
commissionedinaccordancewithChapter2:CommissioningProcedures,beforeitis
usedfor operationalpurposes.
Note: ifan instrument is partof a system in whichat least one other ST70 instrument is already
set up and working, you do not need to commission it.
RefertotheST70InstrumentOperatingGuideforinstructionsonhowtousetheST70
instrument on a day-to-day basis.
WARNING: Product installation & operation
Each ST70 instrument must be prepared for use in accordance with the
Commissioning Procedures, before it is used for operational purposes,
unless it is part of a SeaTalk
ng
system in which at least one other ST70
instrument is already set up and working, it. Failure to comply with this
could result in death, personal injury, damage to your boat and/or poor
product performance.
81284_1.book Page 6 Friday, May 4, 2007 7:29 AM

Chapter 2: Commissioning Procedures 7
Chapter 2: Commissioning Procedures
Before an ST70instrument is usedfor thefirst time, itmust becommissionedin
accordancewith the instructions in thischapter, tocarry out:
•Docksidesetup
followedby
•Seatrialcalibration.
2.1 Dockside setup
Notes: (1) If your ST70 instrument is connected toan existing SeaTalkng system thathas
already been successfully commissioned, you do not need to commission the
new instrument.
(2) Values set during Dockside setup can be changed subsequently, if necessary.
Use these Dockside setup instructions when anST70 instrument isfirst started after
installation to:
• Switch on the instrument.
• Carry out the initialsetup procedures, to:
• Select language.
• Set vessel type.
• Set date and time format (onlyif GPS isfitted).
• Set correct local time (only if GPS isfitted).
• Set required data units.
• Set thecorrect depth offset.
• Setthe correctmagneticvariation.
• Set therequired method for calculating groundwind.
• Set thewater temperature.
• Setthe instrumentresponse.
Switch on
Hold down the power button for 1 secondto power
up theinstrument. Whenthe instrument is first
switchedon after installation, a select Language
menuisdisplayed.
WARNING: Product installation & operation
Each ST70 instrument must be prepared for use in accordance with the
Commissioning Procedures, before it is used for operational purposes,
unless it is part of a SeaTalk
ng
system in which at least one other ST70
instrument is already set up and working, it. Failure to comply with this
could result in death, personal injury, damage to your boat and/or poor
product performance.
D9342-1
Press ENTER to select
Language
English (UK)
81284_1.book Page 7 Friday, May 4, 2007 7:29 AM

8 ST70 Instrument User Reference Manual
Initial setup
Select language
Use < and > toselecttherequiredlanguage,thenpress ENTER to display the
‘Welcome’ screen.When youare ready to proceed, press
ENTER to display the
Vessel Type menu.
Vessel Type
The VesselType menuenablesyoutoautomatically
applythe optimuminstrument settings for your
vesseltype. Theoptionsare:
*Power Cruiser settings. Note that the Power Cruisersettingsapply as follows:
• Power Cruiser1 - capable of speedsup to 12knots.
• Power Cruiser2 - capable of speedsup to 30knots.
• Power Cruiser3 - capable of speeds greater than30 knots.
Select type
Use < and > to selectthe vesseltype that most closely corresponds to yourvessel.
Whenyouhavechosenthevesseltype,press
ENTER toconfirmthechoice.TheTime
and Date values and thedata Units consideredmost appropriate for the Language
andVesselTypeyou chose,arethenautomaticallyappliedtoyour ST70systemand
an automatic checkof systemparametersis carriedout.
Autodetect results
When the automaticchecks arecomplete, a Time &
Date
summary page isdisplayed. This showsthe
currentvaluesappliedto your ST70system.
Note: If your instrument is notreceiving GPS information,
time and date information are not available.
Time & Date
You can either changeor acceptthe Date Format ,
Time Format and Time Offset settings.Youcan:
• Selecteither dd/mm/yy or mm/dd/yy as the date format
• Selecteither 12-hour (am/pm) or24-houras the time format.
• Set thevalue of the time offset togive therequired local time.
With the
Time & Date summary page displayed, check the information,then press
ENTER to display the Time& Date setupmenu.
• RaceSail • InboardSpeedBoat
• Sail Cruiser • Power Cruiser 1*
• Catamaran • Power Cruiser 2*
• Workboat • Power Cruiser 3*
•RIB •SportFishing
• OutboardSpeedBoat • ProFishing
Vessel Type
Inboard Speed Boat
i
Press ENTER to select
Selecting vessel type helps us to
configure your system.
D10092-1
D9424-1
i
Time 11:01:03
Date 14/06/07
Time Offset -1 Hrs
Time Format 24-hour
Date Format dd/mm/yy
These are your current settings.
Time & Date
Press ENTER to continue
81284_1.book Page 8 Friday, May 4, 2007 7:29 AM

Chapter 2: Commissioning Procedures 9
If you want to accept the Time & Date values:
1. Selectthe
Continue option (ifnecessaryuse<
or >).
2. Press ENTER toproceedto theUnits summary
page.
3. ProceedfromDataunits(below).
Ifyouwanttochangeany Time&Date values,carry
outthe Setting dateformat, Setting timeformat
and/orSetting local time procedure below, as
appropriate.
Setting date format
To set therequired date format:
1. At the
Time & Date setup menu, use < and > to
select the
Set date format option, then press
ENTER , to display the Set date format page.
2. Use
< and > toselecttherequiredDateFormat,
then press
ENTER , to save theformatand
return tothe
Time & Date summary page.
3. Press
ENTER toselectthe Time & Date setup
menu.
Setting time format
To set therequired time format:
1. With the
Time & Date setupmenudisplayed,
use
< and > to select the Time Format option,
then press
ENTER , to display the Set time
format
page.
2. Use
< and > toselecttherequiredTimeFormat,
then press
ENTER , to save theformatand
return tothe
Time & Date summary page.
3. Press
ENTER toselectthe Time & Date setup
menu.
D9982-1
Press ENTER to select
Time & Date
Continue
D9544-1
Press ENTER to select
Time & Date
Set date format
D9542-1
i
i
Press ENTER to accept
Set date format
dd/mm/yy
< & > to adjust.
CANCEL exits without saving.
D10362-1
Time & Date
Set time format
Press ENTER to select
D9779-1
12-hour
Press ENTER to accept
Set time format
iUse < & >to adjust.
CANCEL exits without saving.
81284_1.book Page 9 Friday, May 4, 2007 7:29 AM

10 ST70 Instrument User Reference Manual
Setting local time
To set the instrument time to your local time.
1. At the
Time & Date setup menu, use < and > to
select the
Set time offset option, thenpress
ENTER , to display the Set time offset page.
2. Use
< and > to set thecorrectlocal time. For
example, ifyour local time is 1hour after GMT,
set
-1 , then press ENTER , to savethe setting
andreturn tothe
Time& Date setup menu.
3. Press
ENTER toselectthe Time & Date setup
menu.
Leaving date & time setup
When your date andtime formatsand values are setas required:
1. Display the
Time& Date setup menu.
2. Use
< and > toselectthe Continue option.
3. Press
ENTER , to proceedto the Units summary.
Dataunits
The Units summarycomprises two pages andshows units currently inuse. You can
accept allor change any ofthe data
Units settings.You canset:
• Speedto either miles per hour, kilometers perhour or knots.
• Distancetoeithermiles,nauticalmilesor
kilometers.
• Depth toeither feet, fathomsor meters.
• Wind speedto eitherknotsor meters per
second.
• Headingto either magneticor true.
• Flowrate toeitherUS gallonsperhour, UK
gallons perhour or liters per hour
• Temperatureto degreesCelsiusor degrees
Fahrenheit.
• Pressure to pound per squareinch orkiloPascals.
• VolumetoeitherUS gallons,UK gallons orliters
• Numberof engines toeither 1, 2, 3, 4or 5.
• Numberof batteries toeither 1,2, 3, 4 or5.
• Numberof fuel tanks toeither 1, 2, 3, 4 or 5.
Press
ENTER toseethesecond Units summarypage,andif youwanttoreturntothe
first page from thesecond, press
CANCEL .
D9421-1
Press ENTER to select
Time & Date
Set time offset
D9549-1
i
i
Press ENTER to accept
Set time offset
-1.0
Use < & > to adjust.
CANCEL exits without saving.
hrs
D9439-1
i
Speed KTS
Distance NM
Depth FT
Wind Speed KTS
Heading M
These are your current settings.
Units
Press ENTER to continue
Flow Rate G/H
Temperature C
o
81284_1.book Page 10 Friday, May 4, 2007 7:29 AM

Chapter 2: Commissioning Procedures 11
Checkthe information onthe Units summary pages.
With the second
Units summary page displayed, press ENTER to display the Units
setupmenu.
If you want to accept all data
Units ascurrentlyset:
1. Selectthe
Continue option (ifnecessaryuse<
or >).
2. Press ENTER , to leaveInitial Setup and
proceed to the first operationalpage.
3. ProceedfromDepth offset (below).
If you want tochangeany data
Units :
1. Withthe
Units setupmenudisplayed,use < and
> toselectthetypeofdatayouwanttochange,
i.e. Speed,Depth, Distance etc.
2. Press
ENTER , to display the setup page for the
units you have selected.
3. Use < and > toselectthe required units
4. Press
ENTER , to savethe units settingand
return tothe first
Units summary page.
5. Press
ENTER twiceto display the Units setup
menu
6. If youwant to changeany other units,repeat
steps 1 to 5 of this procedure.
Leaving units setup
When all units are setto whatyou want,display the Units setup menu, then:
1. Use
< and > toselectthe Continue option.
2. Press
ENTER , to leaveInitial Setup and proceed to the first operational page.
Depth offset
DepthsaremeasuredfromtheDepthtransducertotheseabed,butyoucanapplyan
offset valueto the depth data, sothat thedisplayed depth reading representsthe
depthto the sea bed fromeither thekeelor the water line.
Ifan offsetisnotapplied,thedisplayeddepthreadingsarefromthetransducertothe
sea bed.
D9980-1
Press ENTER to select
Units
Continue
D9441-1
Press ENTER to select
Units
Wind Speed Units
D9442-1
i
i
Press ENTER to accept
Wind Speed Units
KTS
Use < & > to adjust.
CANCEL exits without saving.
81284_1.book Page 11 Friday, May 4, 2007 7:29 AM

12 ST70 Instrument User Reference Manual
Requirement
If you want toapplyan offset to your depthreadings, youMUST set the correctoffset
value, before relying onDepthdata.
Therefore, beforeattempting to set a waterline orkeel offset,find outthe vertical
separation between the transducer and either the waterline or the bottom of the keel
on your vessel, asappropriate. See Figure2-1.
Figure2-1 Depthoffsets
Depth offset setup procedure
To set thecorrect depth offset:
1. Withany operationalpagedisplayed, press
MENU todisplaythe Main Menu .
2. Use
< or > to scroll to Advanced Options ,then
press
ENTER
3. At the Advanced Options menu, use < or > to
scrollto
Transducer Setup .
WARNING: Ensure you use the correct depth offset
Theuse ofthecorrectdepthoffsetiscriticaltothesafetyofthe vessel.
If an incorrect offset value is applied, this could result in misleading
depth information being displayed with a consequent risk of running
aground. Take great care to ensure you set the correct value.
Offset value
of 0.0
Waterline
offset Keel offset
D9343-1
D9780-1
Press ENTER to select.
Advanced Options
Transducer Setup
81284_1.book Page 12 Friday, May 4, 2007 7:29 AM

Chapter 2: Commissioning Procedures 13
4. Press ENTER to display the Transducer Setup
start search page.
5. Press ENTER again,toinitiateasystemsearch
fortransducers.
At the end ofthe search a Search Results page
isdisplayed.
6. With the search results pagedisplayed, press
ENTER todisplaythe Transducers found menu.
7. Use
< or > to scroll to Depth.
8. Press ENTER to display the Depth transducer
menu.
9. Withthe Depth transducermenudisplayed,use
< or > to scroll tothe Depth Offset option.
10.Press ENTER ,todisplaythe Depth Offset setup
page.
11. Check thetype andvalueof the offset currently
applied:
• If the offset type is what yourequire and the
value is correct for your boat, press
CANCEL to return to the Depth transducer
menu, then proceed from step 16.
• Otherwise proceed from step 12.
Press ENTER to continue
Transducer Setup
ST70 will now search
the network for
transducers. Press
CANCEL to stop.
D10359-1
Press ENTER to continue
Search Results
Found:
D10064-1
1 Depth
1 Speed
1 Wind
i
If not correct, press CANCEL and
check connections.
D9781-1
Press ENTER to select.
Transducers found
Depth
iRaymarine
Serial no. 100020
Press ENTER to select
Depth
Verdana 6.5 pt
Depth Offset
i
D10056-1
Raymarine
Serial no. 100020
D9782-1
2.5
Keel
ft
Depth Offset
iWarning! Incorrect offset may
lead to vessel running aground.
Press ENTER to accept
81284_1.book Page 13 Friday, May 4, 2007 7:29 AM

14 ST70 Instrument User Reference Manual
12.Press toselectthe upper (offset type) adjust box.
13.Use
< or > to scroll toeither Water line , Keel or Transducer , as required. If you
select
Transducer , anoffset valueof zero is automaticallyapplied.
14.If you have selected:
•Either Water line or Keel, press toselectthe lower (offset value)adjust box
thenuse
< or > to set the correct value.
•Transducer, ensure theoffset valueis zero.
15.Press
ENTER to save the offset value return tothe Depth transducer menu.
16.Press
CANCEL toreturn tothe Transducers found menu.
NowproceedtoSet water temperature.
Set water temperature
To set thewater temperatureto thecorrect reading:
1. With the
Transducers Found menudisplayed,
use
< or > toscrollto the Speed option.
2. Press
ENTER toselectthe Speed transducer
setupmenu.
3. Use < or > toscrollto the Temperature Offset
option.
4. Press
ENTER todisplaythe TemperatureOffset
setup page.
5. Using asuitable thermometer, measure the
watertemperature,thenuse < or > to set the
correcttemperaturevalueat the ST70
instrument.
6. Press
ENTER to acceptthe value andreturn to
the
Speed transducermenu.
7. Press
CANCEL toreturn tothe Transducers
found
menu.
8. Press
CANCEL toreturn tothe Search Results summary.
9. Press
CANCEL toreturn tothe Transducer Setup startpage.
10.Press
CANCEL toreturn tothe Advanced Options menu.
NowproceedtoSet groundwind
D10080-1
Press ENTER to select.
Transducers Found
Speed
iRaymarine
Serial no. 100031
D10093-1
Press ENTER to select.
Speed
Temperature Offset
iRaymarine
Serial no. 100031
7
Press ENTER to accept
Temperature Offset
iAdjust temperature until reads
actual sea temperature
D10094-1
C
°
81284_1.book Page 14 Friday, May 4, 2007 7:29 AM