Raymarine Compass Instrument ST40 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.  
ST40 Compass  
Instrument  
Owner’s  
Handbook  
Document number: 81161_2  
Date: 1st May 2001  
Copyright © Raymarine Limited 2001  
i
Preface  
Important information  
WARNING  
Although your ST40 instrument is designed to give accurate and  
reliable performance, it should serve only as an aid to navigation  
and should never lead to the erosion of good seamanship. Always  
maintain a permanent watch and be aware of situations as they  
develop.  
EMC conformance  
All Raymarine equipment and accessories are designed to the best  
industry standards forusein theleisuremarine environment.  
The design and manufacture of Raymarine equipment and accessories  
conform to the appropriate Electromagnetic Compatibility (EMC)  
standards, but correct installation is required to ensure that performance  
is not compromised.  
Handbook information  
To the best of our knowledge, the information in this handbook was  
correct when it went to press. However, the Raymarine policy of  
continuous productimprovementmaychangeproductspecifications  
withoutnotice. Consequently, unavoidabledifferencesmayoccur  
between the product and the handbook from time to time, for which  
Raymarinecannotacceptliability.  
ii  
ST40CompassInstrumentOwnersHandbook  
iii  
Preface  
Contents  
Important information ..........................................................i  
WARNING......................................................................... i  
EMC conformance ............................................................. i  
Handbook information ....................................................... i  
Preface..................................................................................... v  
Parts supplied ................................................................... vi  
Chapter 1: Operation ............................................................. 1  
1.1 Introduction................................................................. 1  
1.2 Operating procedures .................................................. 1  
Silencing alarms .......................................................... 1  
Backlighting and contrast adjustment ......................... 3  
Compass heading screen ............................................. 4  
Locked heading screen ................................................ 4  
1.4 Alarms ......................................................................... 5  
Off course active alarm ............................................... 5  
Enabling/disabling alarm ....................................... 5  
Man overboard alarm (repeated) ................................. 5  
Chapter 2: Maintenance and Fault Finding ........................ 7  
2.1 Maintenance ................................................................ 7  
Servicing and safety .................................................... 7  
Instrument.................................................................... 8  
Transducer ................................................................... 8  
Cabling ........................................................................ 8  
2.2 Fault finding ................................................................ 8  
Preliminary procedures ............................................... 8  
Fixing faults................................................................. 8  
Assistance .................................................................. 10  
iv  
ST40CompassInstrumentOwnersHandbook  
Chapter 3: Installation......................................................... 11  
3.1 Planning your installation ......................................... 11  
EMC installation guidelines ...................................... 11  
Suppression Ferrites ........................................... 12  
Connections to Other Equipment......................... 12  
Tools required ........................................................... 12  
Site requirements ....................................................... 13  
Fluxgate Compass transducer .............................. 13  
Instrument ............................................................ 14  
3.2 Procedures................................................................. 15  
Fitting Fluxgate Compass transducer ........................ 15  
Introduction ......................................................... 15  
Stand alone instrument ................................... 15  
System requirements ...................................... 15  
Installation ........................................................... 15  
Running transducer cable .................................... 16  
Connections to the instrument ................................... 17  
Stand-alone connections ...................................... 18  
SeaTalk connections ............................................ 19  
Fitting the instrument................................................. 19  
Desktop Mounting Bracket .................................. 21  
3.3 Calibration requirement ............................................ 22  
Chapter 4: Calibration ......................................................... 23  
4.1 Introduction............................................................... 23  
EMC conformance .................................................... 23  
4.2 User calibration ......................................................... 23  
4.4 Dealer calibration...................................................... 25  
Instrument Specification .................................................... 27  
Glossary................................................................................. 29  
Index ...................................................................................... 31  
v
Preface  
Preface  
Thank you for purchasing a Raymarine product. We are sure your  
ST40 instrument will give you many years of trouble-free operation.  
This instrument is designed to provide reliable performance, even  
underthemostdemandingconditions.  
vi  
ST40CompassInstrumentOwnersHandbook  
Parts supplied  
COMPASS  
ST40  
ST40 Compass instrument  
Instrument Cover  
1 m (3 ft) power cable  
Gasket  
Fixing Thumb  
stud  
nut  
Fluxgate compass transducer  
Clamping bracket  
ST40 Compass Instrument  
-
quick reference guide  
Normal operation  
SWITCH ON  
ST40  
Worldwide  
Distributors  
Compass  
Instrument  
Owner's  
Locked  
Compass  
heading  
heading  
Course computer  
sets auto lock  
Handbook  
Auto locked  
heading  
Course computer  
sets auto lock  
Alarm on/off  
3
seconds  
Times out to the  
Compass heading  
screen after  
+
-
Off course  
alarm  
Set  
values  
alarm  
level  
5
seconds.  
Momentary  
With Set alarm level screen displayed,  
press the  
and  
keys simultaneously  
to save the alarm level and return to  
normal operation.  
Adjusting display backlighting/contrast  
To enter adjust mode, press  
OFF  
for  
1
second to adjust BACKLIGHTING and  
LEVEL LEVEL  
a
further  
1
second to adjust CONTRAST  
LEVEL  
LEVEL  
1
2
3
LEVEL  
2
1
To exit adjust mode press  
or  
or wait for 5 second timeout  
Owners Handbook.  
Warranty document and fitting  
templates included in Handbook  
Worldwide Service Centre  
Handbook.  
Quick Reference Guide  
Note:  
The items shown here are supplied for an ST40 Compass system. If an instrument is purchased separately, a transducer  
is not included. If any item is not present, contact your Raymarine Dealer.  
D4771-2  
1
Chapter 1: Operation  
Chapter 1:Operation  
1.1 Introduction  
YourST40Compassinstrument:  
• Provides true and magnetic bearing information.  
• Enables a locked bearing to be defined either manually, or  
automatically by a course computer. In this mode, the instrument  
shows the deviations from the locked bearing and the direction to  
steer to achieve the locked bearing.  
CAUTION  
Your instrument is calibrated to factory (default) settings when  
first supplied and must therefore be calibrated before use, to  
ensure optimum performance on your vessel. Do NOT use the  
instrument until the calibration procedures have been  
satisfactorily completed, using the procedures in Chapter 4,  
Calibration.  
Coloured bezel and Desktop Mounting Bracket options are available  
for your ST40 instrument. Contact your Raymarine dealer for further  
information.  
1.2 Operating procedures  
Operating information is presented in flow chart form. The flow charts  
show the various operating screens and key presses necessary to carry  
outthevariousinstrumentfunctions. Keypressesaremomentaryunless  
otherwisestated.  
Silencing alarms  
To silence an alarm (see the Alarms section, later in this chapter),  
momentarilypressanyoneoftheinstrumentkeys.  
2
ST40CompassInstrumentOwnersHandbook  
NORMAL OPERATION  
Switch on  
Increase locked  
heading  
Locked heading  
Compass  
heading  
STEER  
ST40  
COMPASS  
ST40  
COMPASS  
Decrease locked  
heading  
Autopilot  
sets auto lock  
Auto locked  
heading  
ST40  
COMPASS  
To maintain course on a locked heading, steer your vessel so that  
the minimum number of  
segments are displayed,  
ideally so that the  
flashing segment is at  
the 12 o'clock position.  
Alarm  
on/off  
Off course  
alarm  
Set off course  
alarm threshold  
Increase  
Decrease  
STEER  
3 seconds  
STEER  
+
STEER  
ST40  
COMPASS  
ST40  
MPASS  
Momentary  
With Set off course alarm threshold  
screen displayed, press the  
and  
keys simultaneously  
to save the alarm level and return to  
normal operation.  
Note:  
The Off course alarm screen is temporary and will  
time-out to the Compass heading screen after 5 seconds.  
Only available on master intruments.  
D4772-2  
3
Chapter 1: Operation  
Backlighting and contrast adjustment  
Hold down  
for 1 second to enter Adjust Backlight mode  
for 2 seconds to move through Adjust Backlight mode and enter Adjust Contrast mode  
ADJUST BACKLIGHTING  
During normal operation, press  
for 1 second  
The current backlighting level is displayed.  
Select the required backlighting level then:  
to adjust contrast,  
press  
to return to normal operation,  
or  
for 1 second  
press  
or wait for 5 second timeout  
Normal operation  
ADJUST CONTRAST  
During normal operation, press  
for 2 seconds  
via Adjust Backlighting  
The current contrast level is displayed.  
Select the required contrast level then  
press or  
or wait for 5 second timeout  
Normal operation  
D4856-1  
4
ST40CompassInstrumentOwnersHandbook  
1.3 Screen descriptions  
Compass heading screen  
Either M (magnetic)  
or T (true)  
Cardinal points  
(North flashing)  
Current  
heading  
ST40  
COMPASS  
Press  
to set the current compass  
bearing as the locked heading  
D4774-2  
Locked heading screen  
Locked heading  
Either magnetic (M)  
or true (T)  
Course divergence  
from locked heading  
STEER  
Current heading  
ST40  
COMPASS  
Direction to steer to return to locked heading.  
Flashing segment at 12 o'clock when vessel on course  
Adjust locked heading as required using  
or  
(not in Auto lock)  
Press to return to the Compass heading screen  
D4775-2  
5
Chapter 1: Operation  
1.4 Alarms  
Off course active alarm  
Heading error  
STEER  
Current heading  
ST40  
COMPASS  
D4773-2  
Enabling/disabling alarm  
You can enable or disable the off course alarm function (i.e. switch it on  
or off ) by selecting the Set off course alarm threshold screen (see  
Normal operation) and holding down the  
key for 3 seconds (toggle  
action).  
Man overboard alarm (repeated)  
Current distance  
from MOB event  
in either metres (M)  
or yards (Y)  
Direction to steer  
to MOB event  
Bearing of MOB  
event from current  
position  
ST40  
COMPASS  
Bearing of MOB event from current position  
D4776-2  
The man overboard (MOB) alarm is initiated by other SeaTalk  
instruments and will be displayed on the ST40 Compass instrument  
only if the instrument is part of a SeaTalk system. The MOB alarm  
cannot be cleared from the ST40 Compass instrument.  
6
ST40CompassInstrumentOwnersHandbook  
7
Chapter 2: Maintenance and Fault Finding  
Chapter 2:Maintenance and Fault Finding  
2.1 Maintenance  
Servicing and safety  
Raymarine equipment should be serviced only by authorised  
Raymarineservicetechnicians. Theywillensurethatservice  
procedures and replacement parts used will not affect performance.  
There are no user-serviceable parts in any Raymarine product.  
Some products generate high voltages, so never handle the cables/  
connectors when power is being supplied to the equipment.  
When powered up, all electrical equipment produces  
electromagnetic fields. These can cause adjacent pieces of electrical  
equipment to interact with one another, with a consequent adverse  
affect on operation. In order to minimise these effects and enable  
you to get the best possible performance from your Raymarine  
equipment, guidelines are given in theinstallation instructions, to  
enableyoutoensureminimuminteractionbetweendifferentitems  
ofequipment, i.e. ensureoptimumElectromagneticCompatibility  
(EMC).  
Always report any EMC-related problem to your nearest Raymarine  
dealer. We will use any such information to improve our quality  
standards.  
In some installations, it may not be possible to prevent the  
equipment from being affected by external influences. In general  
this will not damage the equipment but it can lead to spurious  
resettingaction, ormomentarilymayresultinfaultyoperation.  
AlwaysswitchoffthepowertoRaymarineequipmentbefore  
workingonit.  
When requesting service, please quote equipment Type, Model  
Number, Serial Number and, if possible, Software Release Issue. The  
Software Release Issue can be ascertained by means of the  
Intermediate Calibration facility, see Chapter 4, Calibration.  
8
ST40CompassInstrumentOwnersHandbook  
Instrument  
Certain atmospheric conditions may cause a small amount of  
condensation to form on the instrument window. This will not harm the  
instrument and will clear after the instrument has been switched on for a  
short period.  
Periodically clean your ST40 instrument with a soft damp cloth. Do  
NOT use chemical or abrasive materials to clean the instrument.  
Cabling  
Examine all cables for chafing or other damage to the outer shield and,  
where necessary, replace and re-secure.  
2.2 Fault finding  
Preliminary procedures  
If you appear to have a problem, first check the security of the  
connections at the rear of the instrument and reconnect any that are  
loose.  
Changesintheelectronicenvironmentmayadverselyaffectthe  
operation of your ST40 equipment. Typical examples of such changes  
are:  
Electrical equipment has recently been installed or moved aboard  
yourvessel.  
You are in the vicinity of another vessel or shore station emitting  
radiosignals.  
Fixing faults  
All Raymarine products are subjected to comprehensive test and  
quality assurance programmes prior to packing and shipping. However,  
if a fault occurs, the following guidelines may help to identify and  
rectifytheproblem.  
9
Chapter 2: Maintenance and Fault Finding  
Action  
Low battery  
Recharge your vessels battery as  
soon as possible  
D4755-2  
Action  
Display blank  
Checkfuse/circuitbreaker.  
Checkpowersupply.  
Check SeaTalk cabling and  
connectorsecurity.  
ST40  
COMPASS  
D4777-2  
No heading  
information  
Action  
Check the condition of the fluxgate  
compass transducer cable and the  
securityoftheconnections.  
ST40  
COMPASS  
D4778-2  
SeaTalk  
Forexample,  
backlightinglevel  
changesimplementedat  
one instrument do not  
affectotherinstruments  
Action  
information  
not being  
transferred  
between  
Check security of SeaTalk  
connectionsbetweeninstruments.  
Check condition of SeaTalk cables.  
Isolatefaultyinstrumentby  
instruments  
disconnectinginstrumentsonebyone.  
10  
ST40CompassInstrumentOwnersHandbook  
A group of SeaTalk  
instruments not  
working  
Action  
ST40  
WIND  
Check the security of SeaTalk  
connectorsbetweenfunctioningand  
non-functioninginstruments.  
ST40  
WIND  
ST40  
WIND  
D4758-2  
Assistance  
If you are unable to rectify any problem, please contact your local  
RaymarineDealerforassistance.  
11  
Chapter 3: Installation  
Chapter 3: Installation  
This chapter describes how to install the ST40 Compass instrument,  
and associated Fluxgate Compass transducer.  
3.1 Planning your installation  
Determine the best positions for both transducer and instrument, such  
that the EMC installation guidelines and the Site requirements (below)  
are satisfied.  
EMC installation guidelines  
All Raymarine equipment and accessories are designed to the best  
industry standards forusein theleisuremarine environment.  
Their design and manufacture conform to the appropriate  
Electromagnetic Compatibility (EMC) standards, but correct  
installation is required to ensure that performance is not compromised.  
Although every effort has been taken to ensure that they will perform  
under all conditions, it is important to understand what factors could  
affect the operation of the product.  
The guidelines given here describe the conditions for optimum EMC  
performance, but it is recognised that it may not be possible to meet all  
of these conditions in all situations. To ensure the best possible  
conditions for EMC performance within the constraints imposed by  
anylocation, alwaysensurethemaximumseparationpossiblebetween  
different items of electrical equipment.  
Foroptimum EMC performance, it is recommended that wherever  
possible:  
All Raymarine equipment and cables connected to it are:  
• At least 1 m (3 feet) from any equipment transmitting or cables  
carrying radio signals e.g. VHF radios, cables and antennas. In  
the case of SSB radios, the distance should be increased to 2 m  
(7 ft).  
• More than 2 m (7 ft) from the path of a radar beam. A radar  
beam can normally be assumed to spread 20 degreesabove and  
below the radiating element.  
12  
ST40CompassInstrumentOwnersHandbook  
The equipment is supplied from a different battery from that used for  
engine start. Voltage drops below 10 V in the power supply to our  
products, and starter motor transients, can cause the equipment to  
reset. This will not damage the equipment, but may cause the loss of  
some information and may change the operating mode.  
Raymarine specified cables are used at all times. Cutting and  
rejoining these cables can compromise EMC performance and so  
must be avoided unless doing so is detailed in the installation  
manual.  
If a suppression ferrite is attached to a cable, this ferrite should not  
be removed. If the ferrite needs to be removed during installation it  
must be reassembled in the same position.  
Suppression Ferrites  
The following illustration shows typical cable suppression ferrites fitted  
toRaymarineequipment. Alwaysusetheferritessuppliedby  
Raymarine.  
D3548-2  
Connections to Other Equipment  
If your Raymarine equipment is going to be connected to other  
equipment using a cable not supplied by Raymarine, a suppression  
ferrite MUST always be fitted to the cable close to the Raymarine unit.  
Tools required  
The tools required for fitting the standard ST40 instrument system are  
showninthefollowingillustration.  
13  
Chapter 3: Installation  
57 mm  
(2.25 in)  
D4643-3  
Note: If you intend fitting a nonstandard transducer, extra tools may  
be required.  
Site requirements  
Fluxgate Compass transducer  
The Fluxgate Compass transducer should be positioned as near as  
possible to the pitch/roll centre of the vessel, as shown in the shaded  
areas below.  
0.3L to 0.5L  
L
0.3L to 0.5L  
L
Fluxgate Compass transducer siting  
D4431-1  
14  
ST40CompassInstrumentOwnersHandbook  
The Fluxgate Compass transducer must also be sited:  
• At least 0.8 m (2 ft 6 in) away from the vessel's steering compass to  
avoid deviation in both compasses.  
• On a bulkhead below deck.  
Note: On steel vessels the Fluxgate Compass transducer can be  
mounted above deck. When mounted above deck, performance may be  
impaired due to increased motion.  
• To allow reasonable access for installation and servicing.  
• Away from any equipment or other installation which may shield  
the transducer or otherwise disturb the earth’s magnetic field, e.g.  
large ferrous or magnetic items, engines, communications  
equipment or cabling.  
• On a vertical mounting surface. Where necessary, make up a  
suitable nonferrous wedged packing piece to provide the necessary  
vertical surface.  
Instrument  
55 mm 70 mm  
(2.2 in) (2.8 in)  
ST40  
30 mm (1.2 in)  
minimum cable clearance  
126 mm (5.0 in)  
21 mm  
(0.8 in)  
17 mm  
(0.67 in)  
Instrument dimensions  
D4644-2  
CAUTION:  
The presence of moisture at the rear of the instrument could cause  
damage either by entering the instrument through the breathing  
hole or by coming into contact with the electrical connectors.  
Eachinstrumentmustbepositionedwhere:  
It is easily read by the helmsman or navigator  
It is protected against physical damage  
It is at least 230 mm (9 in) from a compass  
There is reasonable rear access for installation and servicing  
The rear of the instrument is protected from water.  
15  
Chapter 3: Installation  
3.2 Procedures  
Adapt these procedures as appropriate, to suit your individual  
requirement.  
CAUTION:  
Where it is necessary to cut holes (e.g. for cable routing and  
instrument mounting), ensure that these will not cause a hazard by  
weakening critical parts of the vessel’s structure. If in doubt, seek  
advice from a reputable boat builder.  
Fitting Fluxgate Compass transducer  
Introduction  
Stand alone instrument  
If you are fitting the ST40 Compass instrument as a stand alone  
instrument, you should also fit the Fluxgate Compass transducer and  
connect it directly to the instrument.  
System requirements  
If you intend fitting the ST40 Compass instrument as part of an  
instrument system, you must ensure that only one Fluxgate Compass  
transducer is connected to the system.  
In such a system, the master steering compass instrument is the one to  
which the Fluxgate Compass transducer is directly connected. Other  
compass instruments in the system repeat information from this  
master.  
Note: The Fluxgate Compass transducer can be connected to a course  
computer instead of a compass instrument. The course computer then  
provides the master compass information for the system.  
Installation  
Determine a suitable position for the Fluxgate Compass transducer, as  
described under Site requirements.  
16  
ST40CompassInstrumentOwnersHandbook  
76 mm (3 in)  
76 mm (3 in)  
D729-6  
If you are not sure of the magnetic suitability of the chosen location,  
carry out a survey of the site as follows:  
1. Temporarily fix a simple hand bearing compass at the intended  
location.  
2. Swing the vessel through 360° while at the same time observing  
differences between the hand bearing compass and the vessel's  
main steering compass.  
3. If there are no differences, greater than 10° on any heading, then  
the site is suitable for the Fluxgate Compass transducer.  
Using the self-tapping screws provided, mount the Fluxgate Compass  
transducer vertically on a suitable bulkhead, so that the connecting  
cable is downmost.  
Running transducer cable  
Observing the following guidelines, run the transducer cable to the  
instrument:  
If the cable has to be fed through the deck, always use a good quality  
deckgland.  
Where cables are fed through holes, always use grommets to prevent  
chafing.  
Secure long cable runs so they do not present a hazard.  
Wherever possible, route the cable away from fluorescent lights,  
engines, radiotransmittingequipment, asthesemaycause  
interference.  
17  
Chapter 3: Installation  
Connections to the instrument  
Youcanconnectyourinstrument:  
Directly to the compass transducer as a stand-alone master  
instrument. Whenconnectedinthismanner, theinstrumentmustbe  
connected to a suitable power source using the 1 m (3 ft) power  
cable provided.  
As part of a SeaTalk system either as a repeater or, with a transducer  
also connected as a system master. To connect to SeaTalk, you will  
need an additional SeaTalk Interconnection Kit (Part No. E25028).  
When connected in this manner, power can be provided from the  
SeaTalk bus (e.g. from the autopilot).  
Provided there is no other Fluxgate Compass already connected to  
SeaTalk, you can connect the instrument to both the compass  
transducer and SeaTalk. When thus connected, the instrument will be  
themastercompassinstrumentfortheSeaTalksystem.  
If it is necessary to fit spade connectors to the transducer cable, do so as  
shown in the following illustration. Prepare the cable, as at (a), and fit  
the spade connectors as at (b). When fitting each spade connector,  
ensure that wire strands do not extend beyond the rear of the spade  
connectorinsulation.  
10 mm  
50 mm  
(a)  
4 mm  
3 mm  
(b)  
Preparing wires for connection  
D4467-3  
18  
ST40CompassInstrumentOwnersHandbook  
Stand-alone connections  
CAUTION  
Ensure that the power supply for each stand-alone ST40  
instrument is protected by a 3 A fuse or circuit breaker.  
Note:  
3 A circuit breaker  
A 3 A fuse can be used in place of  
the circuit breaker, if preferred.  
Red +ve  
Uninsulated wire (screen) -ve  
_
12 V dc supply  
(e.g.battery)  
+
Power cable  
Red  
Green  
Screen  
Yellow  
Blue  
Cable from  
Fluxgate Compass  
transducer  
Connections to a stand-alone instrument  
D4779-2  
19  
Chapter 3: Installation  
SeaTalk connections  
CAUTION  
When instruments are connected to SeaTalk, ensure that the  
power supply for the SeaTalk 12 V line is protected by a 5 A fuse  
or circuit breaker.  
Note:  
A 5 A fuse can be used in place of  
the circuit breaker, if preferred.  
5 A circuit breaker  
Red (+ve)  
12 V dc supply  
(e.g. course  
computer  
Uninsulated wire  
(screen) -ve  
or battery)  
Power cable  
SeaTalk bus  
SeaTalk bus  
SeaTalk interface  
kit  
Typical SeaTalk connections  
D4827-2  
Fitting the instrument  
FityourST40instrumentasshowninthefollowingillustrations.  
Remove template from handbook (immediately after index), apply to required location  
1and mark cutting centre.  
S
T
4
0
In  
stru  
m
e
n
t T  
e
m
p
la  
te  
T
O
P
C
e
s
u
h
t
o
re  
a
d
u
a
t
d
a
o
n
ly  
Cutting centre  
C
5
ia  
u
t
o
u
t
h
o
7
m
m
le  
(2  
.2  
m
e
d
5
te  
in  
r
)
D4759-1  
20  
ST40CompassInstrumentOwnersHandbook  
2
Cut hole  
57 mm (2.25 in) cutter  
D4760-1  
3
4
Peel protective sheets from gasket  
D4770-1  
Stick gasket to rear of instrument  
D4761-1  
21  
Chapter 3: Installation  
5
Screw stud into instrument  
D4819-1  
Feed cables through clamping bracket,  
6 connect cables then secure instrument with  
bracket and thumb nut  
D5030-1  
Desktop Mounting Bracket  
An optional Desktop Mounting Bracket (Part No. E25024) enables you  
to mount your ST40 instrument in locations where other forms of  
mountingareimpractical.  
22  
ST40CompassInstrumentOwnersHandbook  
D4646-1  
To bracket mount your ST40 instrument, do so in accordance with the  
Instruction Sheet, which is included with the Desktop Mounting  
Bracket.  
3.3 Calibration requirement  
Once installation is complete and before you use your instrument, carry  
out the calibration procedures detailed in Chapter 4, Calibration.  
23  
Chapter 4: Calibration  
Chapter 4:Calibration  
4.1 Introduction  
The procedures in this Chapter must be carried out before the  
equipment is used operationally, to optimise the performance of the  
instrumentwiththevessel.  
Calibration information is presented in flow chart form. The flow charts  
show the various calibration screens and key presses necessary to carry  
out calibration. All key presses are momentary unless otherwise stated.  
EMC conformance  
Always check the installation before going to sea to make sure that it  
is not affected by radio transmissions, engine starting etc.  
4.2 User calibration  
User calibration enables you to:  
Set the compass heading response values. Use higher response  
values for rapid updates in reasonable sea conditions (for  
example when you are trying to maintain a locked course). Use  
lower response values in choppy sea conditions to damp out  
unstablereadings.  
Setthemagneticvariation.  
Set the heading reference (magnetic or true).  
Linearise and align the compass.  
Power up the instrument then follow the procedure in the User  
calibrationflowdiagram.  
24  
ST40CompassInstrumentOwnersHandbook  
USER CALIBRATION  
During normal operation  
hold down and for approximately 2 seconds  
Set heading  
alignment  
Increase  
Decrease  
Entry  
screen  
Note:  
CAL  
If there is no key  
activity when the  
Entry screen is  
displayed, calibration  
will time out to  
normal operation  
after 5 seconds,  
ST40  
COMPASS  
Flashing  
ST40  
COMPASS  
segment = North  
Deviation  
15 (fast)  
Set compass  
heading  
CAL  
CAL  
response  
ST40  
COMPASS  
ST40  
CPASS  
1 (slow)  
When linearisation successful  
(3 beeps)  
Increase value  
Set variation  
2 turns  
minimum  
CAL  
To bypass  
linearisation  
ST40  
PASS  
To linearise compass  
Decrease value  
Linearise  
transducer  
CAL  
If vessel is turned  
too fast during  
linearisation, a  
SLO legend is  
displayed  
COMPASS  
HDGT  
Set True/Magnetic  
CAL  
ST40  
ST40  
COMPASS  
Repeater  
Master  
To save your settings and return to normal operation from any screen,  
hold down and for approximately 2 seconds  
D4780-2  
25  
Chapter 4: Calibration  
4.3 Intermediate calibration  
Intermediate calibration enables you to:  
Checktheinstrumentsoftwareversion.  
Check the instrument status - either master (shown as RPTR NO)or  
repeater (shown as RPTR YES).  
You cannot make any adjustments in Intermediate calibration.  
Follow the procedure in theIntermediate calibration flow diagram.  
INTERMEDIATE CALIBRATION  
During normal operation  
hold down  
and  
for approximately 4 seconds  
Software  
version  
Note:  
If there is no key activity when  
the Software version screen  
is displayed, calibration will  
time out to normal operation  
after 5 seconds,  
ST40  
COMPASS  
Instrument  
status  
CAL  
ST40  
COMPASS  
To return to normal operation from either screen,  
hold down and for approximately 2 seconds  
D4781-2  
4.4 Dealer calibration  
Dealer calibration enables you to set:  
User calibration on/off.  
Boat show mode on/off.  
Dealer calibration also gives access to the Factory defaults screen.  
This enables you to reapply the factory settings if you want to reset the  
instrumenttoaknownoperatingcondition.  
Follow the procedure in theDealer calibration flow diagram.  
26  
ST40CompassInstrumentOwnersHandbook  
DEALER CALIBRATION  
During normal operation  
hold down  
and  
for approximately 12 seconds  
Entry  
screen  
Note:  
If there is no key activity when the  
Entry screen is displayed, calibration  
will time out to normal operation  
after 5 seconds,  
ST40  
COMPASS  
Calibration  
access  
CAL  
ST40  
MPASS  
If  
Return to normal  
operation with  
factory defaults  
applied  
If  
Boat show  
Factory  
defaults  
mode  
CAL  
CAL  
ST40  
MPSS  
ST40  
COMPASS  
CAUTION:  
Do NOT switch the Boat Show mode on.  
This function must only be used for  
demonstration purposes.  
To save your settings and return to normal operation from any screen,  
hold down and for approximately 2 seconds  
D4782-2  
InstrumentSpecification  
27  
Instrument Specification  
Supply voltage:  
10 V to 16 V dc.  
Current consumption (12 V supply):  
20 mA typical.  
60mAwithmaximumbacklighting.  
Operating temperature:  
Interfaces:  
0°C to +70°C.  
SeaTalk.  
Overall dimensions:  
126 mm x 70 mm x 38 mm  
(5.00 inches x 2.80 inches x 1.55 inches).  
Boss diameter:  
Heading range:  
Off course alarm:  
55 mm (2.20 inches).  
0 to 359°.  
2° to 30° (port or starboard).  
Approvals:  
CE - conforms to  
89/336/EC(EMC), EN60945.  
94/25/EC(RCD), EN28846 (applies to  
transduceronly).  
28  
ST40CompassInstrumentOwnersHandbook  
Glossary  
29  
Glossary  
EMC  
ElectromagneticCompatibility.  
M
Metres.  
MOB  
Response  
Man overboard.  
The rate at which an instrument responds to changes in heading. Values are  
from 1 (slow response) to 15 (fast response).  
SeaTalk  
SeaTalkisaproprietaryRaymarinesystemwhichlinksdifferent  
compatible products, to provide a single, integrated navigational system.  
SeaTalkcanalsocommunicatewithnon-SeaTalkequipmentusingthe  
internationally- accepted National Marine Electronics Association  
(NMEA) protocol. Contact your Raymarine dealer for details.  
Y
Yards.  
30  
ST40CompassInstrumentOwnersHandbook  
31  
Index  
Index  
A
F
Alarms  
indications  
man overboard  
off course 5, 27  
silencing  
Factory defaults 25  
5
Fault finding  
8
5
assistance 10  
blank display  
9
1
low battery  
no heading information  
SeaTalk problems  
9
Aligning heading 24  
9
9
B
Fluxgate Compass transducer  
checking suitability of site 16  
fitting 1516  
Backlighting  
Boat show mode 25  
3
fitting as part of a system 15  
installing 15  
site requirements 13  
C
Calibration 2326  
Dealer 2526  
with stand alone instrument 15  
Intermediate 25  
setting user access 26  
User 2324  
H
Heading  
aligning 24  
range 27  
Calibration requirement 1, 22  
Cleaning the instrument  
Compass heading  
8
I
appropriate response values 23  
screen 2, 4  
Installation 1122  
setting response 24  
connections to the instrument 1719  
Fluxgate Compass transducer 1516  
instrument 1922  
planning 1114  
site requirements 1315  
tools required 1213  
Condensation  
Connecting the instrument 1719  
Contrast  
8
3
Current consumption 27  
D
Instrument  
cleaning  
condensation  
8
Dealer calibration 2526  
Desktop Mounting Bracket 2122  
Dimensions 27  
8
connections 1719  
current consumption 27  
dimensions 27  
E
fitting 1922  
EMC  
site requirements 14  
status (master or repeater) 25  
supply voltage 27  
conformance i, 23  
installation guidelines 11  
Intermediate calibration 25  
32  
ST40CompassInstrumentOwnersHandbook  
L
T
Linearising transducer 24  
Transducer  
Locked heading  
auto  
response 24  
screen  
2
linearising 2425  
2
U
4
User calibration 2324  
Low battery indication  
9
V
M
Variation 24  
Voltage 27  
Maintenance 78  
Man overboard alarm  
5
O
Off course alarm  
enabling  
2
enabling/disabling  
5
indications  
range 27  
5
setting  
2
Operating procedures 15  
Operating temperature 27  
P
Panel lighting  
3
Parts supplied vi  
S
Servicing and safety  
Setting  
7
backlighting  
compass heading response 24  
contrast  
3
3
heading alignment 24  
locked heading response 24  
off course alarm  
2
true or magnetic compass heading 24  
variation 24  
Silencing alarm  
1
Site requirements 1314  
Fluxgate Compass transducer 13  
instrument 14  
Software version 25  
Specifications 27  
Limited Warranty Certificate  
Raymarine warrants each new Light Marine/Dealer Distributor Product to be of good materials and  
workmanship, and will repair or exchange any parts proven to be defective in material and  
workmanshipundernormalusefor aperiodof 2years/24monthsfromdateof saletoenduser, except  
as provided below.  
Defects will be corrected by Raymarine or an authorized Raymarine dealer. Raymarine will, except  
asprovidedbelow,acceptlaborcostforaperiodof2years/24monthsfromthedateofsaletoenduser.  
During this period, except for certain products, travel costs (auto mileage and tolls) up to 100 round  
trip highway miles (160 kilometres) and travel time of 2 hours, will be assumed by Raymarine only  
on products where proof of installation or commission by authorized service agents, can be shown.  
Warranty Limitations  
RaymarineWarrantypolicydoesnotapplytoequipmentwhichhasbeensubjectedtoaccident, abuse  
or misuse, shipping damage, alterations, corrosion, incorrect and/or non-authorized service, or  
equipment on which the serial number has been altered, mutilated or removed.  
Except where Raymarine or its authorized dealer has performed the installation, it assumes no  
responsibility for damage incurred during installation.  
This Warranty does not cover routine system checkouts or alignment/calibration, unless required by  
replacement of part(s) in the area being aligned.  
A suitable proof of purchase, showing date, place, and serial number must be made available to  
Raymarine or authorized service agent at the time of request for Warranty service.  
Consumable items, (suchas: Chart paper, lamps, fuses, batteries, styli, stylus/drive belts, radar mixer  
crystals/diodes, snap-in impeller carriers, impellers, impeller bearings, and impeller shaft) are  
specifically excluded from this Warranty.  
Magnetrons, Cathode Ray Tubes (CRT), TFT Liquid Crystal Displays (LCD) and cold cathode  
fluorescentlamps(CCFL),hailerhornsandtransducersarewarrantedfor1year/12monthsfromdate  
of sale. These items must be returned to a Raymarine facility.  
All costs associated with transducer replacement, other than the cost of the transducer itself, are  
specifically excluded from this Warranty.  
Overtime premium labor portion of services outside of normal working hours is not covered by this  
Warranty.  
Travel cost allowance on certain products with a suggested retail price below $2500.00 is not  
authorized. When/or if repairs are necessary, these products must be forwarded to a Raymarine  
facility or an authorized dealer at owner’s expense willbe returned via surface carrier at no cost to the  
owner.  
Travel costs other than auto mileage, tolls and two (2) hours travel time, are specifically excluded on  
all products. Travel costs which are excluded from the coverage of this Warranty include but are not  
limited to: taxi, launch fees, aircraft rental, subsistence, customs, shipping and communication  
charges etc. Travel costs, mileage and time, in excess to that allowed must have prior approval in  
writing.  
TO THE EXTENT CONSISTENT WITH STATE AND FEDERAL LAW:  
(1) THIS WARRANTY IS STRICTLY LIMITED TO THE TERMS INDICATED HEREIN, AND  
NO OTHER WARRANTIES OR REMEDIES SHALL BE BINDING ON RAYMARINE  
INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABLE OR  
FITNESS FOR A PARTICULAR PURPOSE.  
(2) Raymarine shall not be liable for any incidental, consequential or special (including punitive or  
multiple) damages.  
All Raymarine products sold or provided hereunder are merely aids to navigation. It is the  
responsibility of the user to exercise discretion and proper navigational skill independent of any  
Raymarine equipment.  
Document number: 84064-8  
April 2001  
Factory Service Centers  
United States of America  
UK, Europe, Middle East, Far East  
Raymarine Inc  
22 Cotton Road, Unit D  
Nashua, NH 03063-4219, USA  
Raymarine Ltd  
Anchorage Park, Portsmouth  
PO3 5TD, England  
Telephone: +1 603 881 5200  
Fax: +1 603 864 4756  
www.raymarine.com  
Telephone: +44 (0)23 9269 3611  
Fax: +44 (0)23 9269 4642  
Sales & Order Services  
Telephone: +1 800 539 5539 Ext. 2333 or  
+1 603 881 5200 Ext. 2333  
Customer Support  
Telephone: +44 (0)23 9271 4713  
Fax: +44 (0)23 9266 1228  
Technical Support  
Telephone: +1 800 539 5539 Ext. 2444 or  
+1 603 881 5200 Ext. 2444  
Product Repair Center  
Telephone: +1 800 539 5539 Ext. 2118  
Stick barcode label here  
Purchased from  
Dealer address  
Purchase date  
Installed by  
Installation date  
Commissioned by  
Commissioning date  
Owner’s name  
Mailing address  
This portion should be completed and retained by the owner.  

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