Raymarine Compass User manual

Distributed by
Any reference to Raytheon or
RTN in this manual should be
interpreted as Raymarine.
The names Raytheon and RTN
are owned by the
Raytheon Company.

COMPASS
Operation and
Installation
Position
for
SeaTalk
2 colour
logo
TOP BLEED
ST30

Raytheon Marine Europe, Anchorage Park, Portsmouth
P035TD,England
Telephone[phone].Fax[phone]

ST30 Compass Installation and Operation Handbook
AutohelmandSeaTalkareregisteredTrademarksofNautechLimited
Thetechnical and graphical information contained inthis handbook, to the best ofour knowledge,
wascorrectasitwenttopress.However,theAutohelmpolicyofcontinuousimprovementand
updatingmaychangeproduct specifications without prior notice. Therefore, unavoidable differ-
encesbetweentheproduct and handbook may occurr from time to time,forwhichliability
cannotbe accepted by Autohelm.
CopyrightRaytheonMarineEurope1995
Printedin England
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COMPASS
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ST30 Compass Installation and Operation Handbook
Package Contents
Checking your ST30 Compass Package
TheST30Compass package contains the following standarditems:
1. Display head
2. Fixingstuds (2)
3. Thumb nuts (2)
4. Fittingtemplate
5. Suncover
6. Fluxgatecompass
7. Powercable
8. Daisy-chain cable
9. Self-tappingscrews (4)
10. Installation and Operation handbook
11. WorldwideServiceCentrebooklet
12. Warranty document
Items Missing?
Ifanyoftheabove items are missing or damaged, please contact your
Autohelmdealeror our Product Support Department to obtainreplace-
mentparts.Please note that missing or damaged items cannot be
replaced without proof of purchase.
Registering this Product
Onceyouhavecheckedthatyouhaveall of the listed components, please
takethetimetocompletethewarrantydocumentandreturnittoyour
national distributor.
Byreturningthis document you willreceivepromptandexpertattention
shouldyoueverexperienceany difficulties with this product. Also, your
detailsare added to our customer databaseso that you automatically
receivenew product brochuresasandwhen they arereleased.

ST30 Compass Installation and Operation Handbook
Package Items
ST30 INSTRUMENT
MOUNTING TEMPLATE
2-HOLES
DRILL 5mm
( .197in ) DIA
1-HOLE
DRILL 60.3mm
( 2,3/8in ) DIA
D1789-1
1
SeaTalk
23
WARRANTY
Terms and Conditions
LOCK
COMPASS
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ST30
COMPASS
Operation and
Installation
WORLDWIDE
SERVICE CENTRES
SeaTalkSeaTalk
SeaTalkSeaTalkSeaTalkSeaTalk
10 11 12
4
7
8
6
5
9

ST30 Compass Installation and Operation Handbook

Contents
Contents
Chapter 1: Introduction ........................................................7
Chapter 2: Installation ..........................................................9
2.1 Compass Installation Options .......................................... 9
2.1Installing the Fluxgate Compass ..................................... 10
2.2SitingoftheDisplay Head ............................................. 12
2.3MountingtheDisplayHead ............................................ 13
2.4FlushMountingtheDisplayHead .................................... 14
2.5TrunnionMountingtheDisplayHead ............................... 15
2.6Powersupply(Stand-aloneoperation).............................. 15
2.7Powersupply&DataTransfer(SeaTalksystem) ................ 16
Chapter 3: Calibration ........................................................17
3.1AboutthisChapter ...................................................... 17
3.2User Calibration .......................................................... 17
Manual Compass Linearisation ..................................... 17
HeadingAlignment ..................................................... 19
QuittingManualLinearisation&HeadingAlignment..... 19
3.3Linearisation& Heading Alignment whenused
withaSportPilot ............................................................... 20
3.4 Extended Calibration ................................................... 20
CalibrationON/OFF .................................................... 21
BoatShowMode ....................................................... 22
HeadingDisplay Damping ............................................ 22
Off-CourseBargraphDamping ...................................... 23
Quitting Extended Calibration .............................................. 23
Quittingwithout Saving ......................................... 23
QuittingandSaving.............................................. 23
3.4Master andRepeaterModes ......................................... 23
3.5SoftwareVersion ........................................................ 24

ST30 Compass Installation and Operation Handbook
Chapter 4: Operation ......................................................... 25
4.1General ..................................................................... 25
4.2HeadingMode ............................................................ 25
4.3Lock Mode ................................................................ 26
ReciprocalLockedHeading ......................................... 26
AdjustingtheLockedHeading ...................................... 27
LockMode HeadingError............................................ 27
4.3AverageHeading ........................................................ 28
ResettingtheAverageHeading ..................................... 28
4.4LCD Illumination .......................................................... 29
4.5NoData .................................................................... 29
Chapter 5: Fault Isolation & Maintenance ..............................31
5.1FaultIsolation ............................................................. 31
5.2Maintenance .............................................................. 32
Chapter 6: Specification .....................................................33

Chapter 1: Introduction
7
Chapter 1: Introduction
Congratulationsonthe purchase of your Autohelm ST30Compass.
Thecompassdisplaysheading information directly from the fluxgate
compassor,ifthe unit is used as a repeater, via theSeaTalkbususing
datataken from another compassinstrument or autopilot.
Thecompasscanalso be used as a steering indicator to maintaina
givencourse.Any helmsmans error, to port or starboard,isindicatedby
abargraphat the bottom of the display.Thismodeis known as “Lock”
mode.
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ST30 Compass Installation and Operation Handbook
8
Important Information
AllAutohelm equipment and accessories aredesigned to the highest standard
foruse intheleisure marineenvironment.
Their design and manufacture conforms to the latest Electromagnetic
Compatibility (EMC) standards, but good installation is required to ensure that
performanceis notcompromised. Althoughevery effort hasbeen takento
ensurethat they will perform underall conditions, it is importantto understand
whatfactors could affectthe operation ofthe product. To avoid the risk of
EMCproblems, all Autohelmequipment and cablesconnected toit should be;
❏Atleast 1m(3 feet)from anyequipment transmittingor cablescarrying
radiosignals e.g.VHF radios, cablesand antennas. In the caseof SSB
radios,the distanceshould beincreased to2m (7ft).
❏Atleast20m (66feet) fromlarge vessels equippedwith radar.
❏Morethan2m (7feet) fromthe direct pathof aradar beam.
Thefollowing points shouldalso be noted;
❏GenuineAutohelm cables shouldbe used atall times.Cutting and rejoining
thesecables cancompromise EMCperformance and soshould be
avoidedunless doing so isdetailed in the installation manual.
❏Autohelmequipment should be servicedonly by authorised Autohelm
serviceengineers. Theywill ensure thatservice procedures and replace-
mentparts usedwill notaffect EMCperformance. Thereare nouser
serviceable parts in any Autohelm product.
❏Voltagedrops below 10vin the powersupply to our products can cause
theequipment toreset. Thiswill not damagethe equipmentbut willcause
theloss ofsome informationand can changethe operatingmode. This
mostfrequently happens during enginestarting, and soto reduce the risk
ofthis occurring,it isrecommended that theequipment issupplied froma
differentbattery than theone used forengine start.
❏Someproducts generate highvoltages, and sonever handlethe cables/
connectorswhen power isbeing supplied tothe equipment.
❏Alwayscheck theinstallation before goingto sea to make surethat it isnot
affectedby radio transmissions, enginestarting etc.
❏Insome installations,it maynot be possibleto preventthe equipmentfrom
beingaffected byexternal influences.In generalthis willnot damagethe
equipmentbut can leadto it resetting,or momentarilyresult in faulty
operation.
Pleasekeepthese notesforfuturereference.

Chapter 2: Installation
9
Chapter 2: Installation
Thischaptercovers installation of the fluxgate compassandthedisplay
head.Pleasereadtheseinstructions thoroughly before you attempt to
installthe display headand fluxgate compass.
2.1 Compass Installation Options
TheST30Compasscanbeusedinone of the following ways:
❏asa stand alone system comprising ofdisplay head and fluxgate
compasswith an independent powersupply. Heading data issent
directlyto the compass display head.
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N
D1804-1
1
2
Stand alone compass system:1Master compass instrument 2Power cable
❏asarepeaterhead for a master compass instrument. Power and data
isreceived viaSeaTalk.
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N
D1805-1
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1234
Master with repeater instrument: 1Master instrument 2SeaTalk daisy-chain cable
3Repeater instrument 4Power cable or SeaTalk cable

ST30 Compass Installation and Operation Handbook
10
❏asarepeaterforanautopilotcompass.Poweranddataisreceived
via SeaTalk.
LOCK
COMPASS
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N
D1806-1
1234
ST30 Compass & autopilot: 1SeaTalk cable 2Repeater instrument 3SeaTalk cable
4SeaTalk autopilot
Important note...
WhentheST30Compassisusedwith a SportPilot the fluxgate compass
mustbeconnected to the SportPilotandnot the display head.
2.1 Installing the Fluxgate Compass
76mm (3in)
76mm (3in)
D729-2
TM
Thefluxgatecompass should, ideally, be sited onaforwardfacing
bulkheadwiththe Autohelm logo facing forwards. Thecompassshould
alsobeascloseto the pitch and roll centre of the vessel as possible and
sited(atleast 0.8m) away from iron massesthatcausedeviation.

Chapter 2: Installation
11
0.3L to 0.5L
L
0.3L to 0.5L
L
X
X
Y
Y
D194-1
1. Witha hand bearing compass fixedto the proposed bulkhead, turn
yourvessel through 360°andcheckthat the differencebetweenthe
handbearingcompassand the ships compass does not exceed 10°
onany heading. If differencedoesexceed10° you will havetoselecta
newlocation.
2. Onceyouhaveselectedasuitablelocation,attachthefluxgate
compasstothebulkheadusingthefourself-tappingscrewsprovided.
3. Makesurethatthefluxgatecompassiscorrectlyorientated.Thatis,
thearrowandthewordUPembossedintothecompassflangeis
pointingskywardsand the top of the flange islevel-
thefluxgate
compasswillnotoperateifitisinstalledincorrectly.
D193-1
Vertical

ST30 Compass Installation and Operation Handbook
12
3. Runthecablebacktothedisplayhead, fixing the cable at regular
intervalswithcableclamps/ties.
4. Crimpthespade connectors to thefivewiresfromthe
compass cable.
2.2 Siting of the Display Head
LOCK
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110mm (4.33in) 42mm (1.65in)
24mm (1.0in)
56mm (2.20in)
88mm (3.46in)
D1788-1
TheST30Compassshouldbe installed above or below deck where it is:
❏easilyreadby the helmsman (normallyviewedateyelevel)
❏protectedfromphysicaldamage
❏atleast230mm(9in)fromtheshipscompass
❏atleast500mm (20in) from radioreceivingequipment
❏accessiblefrombehindfor ease of installation and cable running
Notes...
Topreventthebuild-upofmoisture,the display head breathes through the
backcover.Thedisplayheadmust,therefore, be mounted where the
backcoverisprotected from direct contact with water.
Therearcaseisfittedwithafoam gasket to form a water-tight seal
betweenthe display head andthe installation bulkhead.Under no circum-
stancesmustsiliconesealants be applied to this gasket.

Chapter 2: Installation
13
2.3 Mounting the Display Head
D682a
2
41
35
6
1Display head 2Sealing gasket 3Fixing studs 4SeaTalk or power cable
5Fluxgate compass cable 6 Thumb nuts
1. Makesurethe bulkhead to which the displayhead(1)is to be mounted
is smooth, flat, and clean.
2. Usethefittingtemplate(supplied) to mark the centres for the two
fixingstuds and the displayhead cable boss.
Please note...
Toallowforthe fitting of protective covers, adjacent instruments
musthavea6mm(1/4in)gapbetweenthem (116mm centre to
centremin.).
3. Drilltwo5mm(0.2in)diameterholesforthefixingstuds(2).
4. Usinga60mm (2.375in) diameter cutter, drill a locationholeforthe
instrumentconnectorboss.
5. PlugthemouldedendofthepowercableintooneoftheSeaTalk
terminals.

ST30 Compass Installation and Operation Handbook
14
6. Connectthefluxgatecompasscables,colourforcolour,tothe
displayhead(1) compass terminals (the black core goestothegrey
terminal).
+
+
+
+
SEATALK
D1807-1
12345
Fluxgate compass to display head connections: 1 Red cable 2Black cable 3 Blue
4Green 5Yellow
7. Attach the display headtothe bulkhead using the fixingstuds(2) and
thumb nuts (3).
2.4 Flush Mounting the Display Head
TheST30Compass display head can be flushmountedtoprovide a “low
profile”installation.Full installation procedures are supplied withtheflush
mountingkit(part number D217).
D1792-1
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Chapter 2: Installation
15
2.5 Trunnion Mounting the Display Head
Thedisplay head may also betrunnion mounted using thecustom
Autohelmmounting kit (part number D219).
D1793-1
Note...
BecausetheST30Compassbreathesaroundtheintegralconnectorpins,
trunnionmountedinstruments must be sited inareasprotectedfrom the
weatheranddirectcontactwithwater.
2.6 Power supply (Stand-alone operation)
Caution:The ST30 Compass is for use with 12V supplies only.
Forstand-aloneoperation,usethesupplied1mpower cable supplied.
1. Plugthemouldedendofthepowercableintotooneofthe'SeaTalk'
connectionsintherear of the display head. Run the free endbackto
thevesselsdistributionpanel.
2. Cutthecabletolengthandconnecttheredwireto12Vandthe
screento 0V. Protect thecircuitwitha 5A fuse/circuit breaker.
–
+
+
+
+
+
SEATALK
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5A
Red
Screen
12v Supply

ST30 Compass Installation and Operation Handbook
16
2.7 Power supply & Data Transfer (SeaTalk system)
WhentheST30Compass is part of a SeaTalk system, power anddatais
transmittedviathe daisy-chain cable or one oftheStandardAutohelm
SeaTalkExtensionorInterfaceCables.
LOCK
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N
D1808-1
LOCK
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–
+
12v Supply
SeaTalk cable

Chapter 3: Calibration
17
Chapter 3: Calibration
3.1 About this Chapter
BeforetheST30Compasssystemcanbeused as a navigational aid, the
fluxgatecompassMUSTbelinearisedtocompensatefordeviationandthe
displayedheadingMUSTbealignedtoaknowntransitbearing.
Othercalibrationfeaturesallowyoutoadjustthe speed at which the
headingandheadingerrordisplaysareupdated.
3.2 User Calibration
Usercalibrationcontains features to perform compass linearisationand
headingalignment.
Manual Compass Linearisation
Forfirst-timeinstallation, the fluxgate compass must bemanually
linearisedtocompensatefordeviation.
1. Press andLOCKtogether for 2 secondstoopentheinitial
calibration menu.
Cal
LOCK
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D1803-1