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ST60 Depth Instrument Owners Handbook
Document number: 81038-4 Date: 1 April 2004
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Raymarine, ST60 and SeaTalk are trademarks of Raymarine Limited Handbook contents copyright Raymarine Limited 2004

Preface

Important information

Safety notices

WARNING: Product installation & operation This equipment must be installed 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 Make sure you have switched off the power supply before you start installing this product. WARNING: 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 to navigation and should never replace commonsense and navigational judgement. Always maintain a permanent watch so you can respond to situations as they develop.

EMC conformance

All Raymarine equipment and accessories are designed to the best industry standards for use in the recreational marine 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, Raymarine cannot accept liability for any inaccuracies or omissions it may contain. In addition, our policy of continuous product improvement may change specifications without notice. Therefore, Raymarine cannot accept liability for any differences between the product and the handbook.
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Contents

Preface.....i Important information... i Safety notices... i EMC conformance... i Handbook information... i Contents.... iii Introduction.... v Data inputs.... v SeaTalk.... v Stand alone operation... vi Remote control.... vi Mounting options... vi Depth transducers.... vi Parts supplied... vi Chapter 1: Operation....1 1.1 Getting started.... 1 1.2 Normal operation... 1 Depth measurement units... 1 Displayed information... 1 Alarms.... 2 Offsets.... 4 1.3 Display settings... 4 Illumination.... 4 Contrast.... 4 1.4 Pop-up Pilot.... 5 1.5 Remote control... 5 Chapter 2: Maintenance & Troubleshooting...7 2.1 Maintenance... 7 Servicing and safety... 7 Instrument... 7 Transducer... 7 Cabling.... 8 2.2 Troubleshooting... 8 Preliminary procedures... 8 Fixing faults.... 8 Technical support... 9 World wide web... 9 Telephone help line... 9 Help us to help you... 9
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Chapter 3: Installation....11 3.1 Planning your installation...11 Site requirements...11 Transducer...11 Instrument...13 EMC installation guidelines...14 Suppression ferrites..15 Connections to other equipment..15 3.2 Procedures...16 Unpacking....16 Fitting the instrument...16 Surface mounting...16 Flush mounting...17 Fitting the low-profile bezel..17 Flush mounting procedure..19 Bracket mounting...20 Fitting transducer...20 Running transducer cable...20 Fitting ferrite...21 Connecting the instrument..22 Types of connection..22 Signal connections...22 Power supply connections..23 SeaTalk systems...23 Stand alone instruments...23 Chapter 4: Calibration...25 4.1 Introduction...25 EMC conformance...25 4.2 User calibration...25 Procedure...25 Depth units...26 Depth offset...27 Setting offset values...28 Shallow lock....28 Pop-up pilot...28 Leaving User calibration...28 4.3 Intermediate calibration...28 Leaving Intermediate calibration...29 4.4 Dealer calibration...30 User calibration on/off...30 Response settings...30 Boat show mode...30 Factory defaults...32 Leaving Dealer calibration...32

If you do not want to surface mount your ST60 instrument, options are available for: Flush mounting. If you have ordered the flush mounting option a low-profile bezel and four fixing screws are provided. Bracket mounting.

Depth transducers

Various optional transducer types are available to suit different situations and hull types. Refer to Chapter 3, Installation , for details.

Parts supplied

Unpack your ST60 instrument and check that the following items are present: Item 1,ST60 Depth instrument with standard bezel for surface mounting. Item 2, Fixing studs (2). Item 3, Thumb nuts (2). Item 4, Gasket. Item 5, Depth transducer. Item 6, SeaTalk interconnection cable. Item 7, Power cable. Item 8, Instrument Cover.
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vii Item 9, Owners Handbook. A Warranty document and fitting templates are included in this Handbook. Item 10, Cue Card. Spare spade terminals are also provided, to re-terminate the transducer cable if it has to be cut to facilitate installation.
Note: The above packing list is for an ST60 Depth system. Where an instrument is purchased separately, a transducer is not included.
ST60 Depth Instrument Owner's Handbook

D4438-3

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Chapter 1: Operation

1.1 Getting started
This handbook describes how to operate, maintain and install the Raymarine ST60 Depth instrument. CAUTION: Calibration requirement The ST60 Depth instrument is calibrated to default settings when supplied. To ensure optimum performance on your boat, this product MUST be calibrated before use. Do NOT use the product until it has been calibrated using the procedures in Chapter 4, Calibration.

1.2 Normal operation

Use the flow charts in this Chapter to operate your ST60 Depth instrument. The flow charts show the sequence of key presses and displays for the various operating tasks. All key presses are momentary unless otherwise stated.

Depth measurement units

The depth measurement units can be either feet, meters or fathoms. The required units are selected during user calibration (see Chapter 4, Calibration ).

Displayed information

When first switched on, your ST60 Depth instrument shows the current depth. The instrument memorizes the minimum and maximum depth values encountered during the period it is switched on, and these can be recalled at any time (see the Reading depth values flow chart). The display will revert to the current depth display after 8 seconds. You can reset the MIN and MAX values by pressing the reset key for 3 seconds. The current depth display provides depth-trend indicator arrows to show whether the depth is increasing or decreasing. A rising sea-bed is shown by an up arrow and a lowering sea-bed by a down arrow. If there is no depth signal from the transducer for more than 30 seconds, the last known depth is displayed and LAST flashes at the top of the screen. If depth information is not received from the transducer or from SeaTalk, then dashes are displayed.

Instrument

Certain atmospheric conditions may cause condensation to form on the instrument window. This will not harm the instrument and can be cleared by increasing the illumination setting to Level 3. Periodically clean your ST60 instrument with a soft damp cloth. Do NOT use chemical and abrasive materials to clean the instrument.

Transducer

Refer to the Installation and Maintenance instructions supplied with the transducer.
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Cabling

Examine all cables for chafing or other damage to the outer shield and, where necessary, replace and re-secure.

2.2 Troubleshooting

Preliminary procedures
Changes in the electronic environment may adversely affect the operation of your ST60 equipment. Typical examples of such changes are: Electrical equipment has recently been installed or moved aboard your vessel. You are in the vicinity of another vessel or shore station emitting radio signals. If you appear to have a problem, first ensure that the EMC requirements are still being met before further investigating the problem.

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 table may help to identify and rectify the problem.
Fault Display blank Cause No power supply Remedy Check power supply. Check SeaTalk cabling and connector security Check fuse/circuit breaker No transfer of information between SeaTalk instruments (e.g. illumination levels). Failure of a group of SeaTalk instruments. SeaTalk cable or connector fault Check security of SeaTalk connectors. Check condition of SeaTalk cables. Isolate faulty instrument by disconnecting instruments one by one. Check the security of SeaTalk connectors between functioning and non-functioning instruments
SeaTalk cable or connector fault
LAST flashing or dashes Transducer cable or Check the condition of the transdisplayed continuously connector fault ducer cable and the security of the (depth greater than 3 ft) connections LAST flashes when under way Aerated water due Ensure reading stabilizes when clear to -boat wakes, of disturbed water. propeller wash etc.
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Technical support

Raymarine provides a comprehensive customer support service, on the world wide web and by telephone help line. Please use either of these facilities if you are unable to rectify a problem.

World wide web

Please visit the Customer Support area of our web site at: www.raymarine.com As well as providing a comprehensive Frequently Asked Questions section and servicing information, the web site gives e-mail access to the Raymarine Technical Support Department and a details of the locations of Raymarine agents, worldwide.

Telephone help line

If you do not have access to the world wide web, please call our help line. In the USA, call: +539 5539, extension 2444 or +extension 2444 In the UK, Europe the Middle East or the Far East, call: +44 (0) 4713 (voice) +44 (0) 1228 (fax)

Help us to help you

When requesting service, please quote the following product information: Equipment type. Model number. Serial number. Software issue number. The Software issue number can be ascertained by means of the Intermediate Calibration facility, see Chapter 4, Calibration.
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Chapter 3: Installation

This chapter describes how to install the ST60 Depth instrument, and associated depth transducer. The transducer is fitted in the hull of the vessel and is connected to the rear of the instrument. The actual type of transducer depends on the type of hull in which it is to be installed. For advice, or further information regarding the installation of this equipment, please contact the Raymarine Product Support Department or your own National Distributor.
3.1 Planning your installation
Before starting the installation, spend some time considering the best positions for both transducer and instrument, such that the Site Requirements and the EMC installation guidelines (below) are satisfied.

Site requirements

2.94 in (75 mm ) diameter
2.00 in (51 mm) diameter 2.94 in (75 mm) 0.19 in (5 mm) diameter
Depth transducer dimensions

3.50 in (89 mm)

D4445-3
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ST60 Depth Instrument Owners Handbook The transducer types required for the various hull types are as follows:
Hull material Glass reinforced plastic (GRP) Steel Aluminium Wood Transducer type M78713 Through hull plastic M78718 Retractable through hull M78713 Through hull plastic M78718 Retractable through hull M78713 Through hull plastic M78718 Retractable through hull M78714 Through hull bronze M78719 Retractable through hull
Other transducer types are also available for specific requirements. For further details, contact your local Raymarine dealer. For accurate depth readings the transducer should be sited within the clear water flow areas indicated by the shaded areas in the following diagram.

Sailing vessel

Planing power vessel
Displacement power vessel

Transducer siting

D4349-1

The transducer should also: Be ahead of the propellers (by a minimum of 10% of the water line length). Be at least 6 in (150 mm) away from the keel (ideally ahead of the keel if a sailing yacht). Be as near as possible to the center line of the vessel.
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Chapter 3: Installation Be clear of other through-hull fittings or projections. Have sufficient clearance inside the hull to fit the nut. Have 4 in (100 mm) of headroom to allow for withdrawal. Be within 10 of the vertical, forward, aft and athwart ships.
There must also be a viable route for the transducer cable to be routed to the instrument.

10 maximum

Maximum transducer angle

D4350-1

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. ST60 instruments can be fitted either above or below deck, provided the rear of the instrument is sited where it is protected from contact with water. Each instrument must also be positioned where: It is easily read by the helmsman. It is protected against physical damage. It is at least 9 in (230 mm) from a compass.
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ST60 Depth Instrument Owners Handbook It is at least 20 in (500 mm) from radio receiving equipment. There is reasonable rear access for installation and servicing.

With standard bezel

4.33 in (110 mm)

0.95 in (24 mm)

0.6 in (15 mm)

With low profile bezel

4.85 in (123 mm)
ST60 instrument dimensions
0.25 in 1.4 in (6.2 mm) (35 mm)

D5785-4

EMC installation guidelines
All Raymarine equipment and accessories are designed to the best industry standards for use in the recreational marine environment. Their design and manufacture conforms 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 recognized 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 any location, always ensure the maximum separation possible between different items of electrical equipment.

3.54 in (90 mm) diameter

4.53 in (115 mm)
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For optimum EMC performance, it is recommended that wherever possible: Raymarine equipment and cables connected to it are: At least 3 ft (1 m) 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 7 ft (2 m). More than 7 ft (2 m) from the path of a radar beam. A radar beam can normally be assumed to spread 20 degrees above and below the radiating element. The equipment is supplied from a separate 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. Cutting and rejoining these cables can compromise EMC performance and 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 used with Raymarine equipment. Always use the ferrites supplied by Raymarine.

D3548-6

Connections to other equipment
If your Raymarine equipment is to be connected to other equipment using a cable not supplied by Raymarine, a suppression ferrite MUST always be attached to the cable near the Raymarine unit.
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3.2 Procedures

As it is not possible to describe procedures for all possible installation scenarios, the procedures given here describe the broad requirements for installing depth transducers and the ST60 Depth instrument. 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 vessels structure.

Unpacking

Unpack your ST60 equipment and check that the items described in the Preface are present. Each ST60 instrument is supplied with a standard bezel for surface mounting. Optional mounting kits are available for flush mounting and bracket mounting the instrument. If you have ordered the flush mounting option a low-profile bezel and four fixing screws are also provided.

Fitting the instrument

The ST60 Depth instrument can be installed using one of a number of different mounting options: Surface mounting. Gives a profile of approximately 0.95 in (24 mm). Flush mounting. Gives a profile of approximately 0.25 in (6 mm). Bracket mounting. The ST60 instruments can also be mounted behind a panel with just the instrument dial and keys visible.

Surface mounting

To surface mount your ST60 instrument (see the Surface mounting illustration): 1. Ensure that: The selected location is clean, smooth and flat. There is sufficient space behind the selected location to accommodate the rear of the instrument and connectors. 2. Apply the surface mount template (supplied at the rear of this handbook) to the selected location and mark the centers for the fixing studs (1) and the aperture (3) that will take the rear casing of the instrument.
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D4337-2

3. Drill out the two 0.2 in (5 mm) fixing stud clearance holes (2). 4. Cut out the clearance hole (3) then remove the template. 5. Peel off the protective sheet from the self-adhesive gasket (4) then stick the gasket into position on the rear of the instrument. 6. Screw the two fixing studs into the threaded sockets on the rear of the instrument. 7. Mount the assembled instrument, studs, bezel and gasket into the panel. Secure from behind with the thumb nuts (5).

Flush mounting

The Flush Mounting Kit uses a low-profile bezel to reduce the fitted profile of the instrument, to approximately 0.25 in (6 mm) above the panel fascia. Fitting the low-profile bezel In order to flush-mount your ST60 instrument, you must first replace the standard bezel with the low-profile bezel as follows: 1. Hold the instrument in both hands with the display towards you. 2. Using both thumbs, gently press an upper corner of the instrument from the bezel, then remove the bezel from the instrument. Retain the rubber keypad which is released when the bezel is removed.
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D4537-2

3. Referring to the Fitting the low-profile bezel illustration, place the instrument face upwards on a flat surface and place the rubber keypad (7) in position around the display window (i.e. so that each key outline is located over its associated key on the instrument).

D4359-2

Fitting the low profile bezel
4. Snap the low-profile bezel (8) in position over the instrument, so that the rubber keys are correctly located in the holes on the bezel.
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CAUTION: It is essential that only screws of the correct size are used to secure the instrument to the bezel. Failure to observe this caution could result in damage to both the instrument and the bezel. 5. Using the four, self-tapping screws (9) provided, secure the instrument and bezel together. Fit the screws from the rear of the instrument and tighten them sufficiently to secure the instrument and bezel together. DO NOT OVERTIGHTEN. Flush mounting procedure Flush mount your instrument (see the Flush mounting illustration) as follows: 1. Assemble the ST60 instrument and low-profile bezel as described under Fitting the low-profile bezel.

D4338-3

2. Ensure that: The panel on which you intend to mount the instrument is between 0.12 in (3 mm) and 0.78 in (20 mm) thickness. The selected location is clean, smooth and flat. There is sufficient space behind the selected location to accommodate the rear of the instrument and connectors.
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ST60 Depth Instrument Owners Handbook 3. Apply the flush mount template (supplied at the rear of this handbook) to the selected location and mark out the aperture into which the assembled instrument and bezel will sit. 4. Cut out the aperture (3) for the assembled instrument and bezel and remove the template. 5. Peel off the protective sheet from the self-adhesive gasket (4) then stick the gasket into position on the rear of the bezel. 6. Screw the two fixing studs (1) into the threaded sockets on the rear of the instrument. 7. Mount the assembled instrument, studs, bezel and gasket into the panel. 8. Locate the flush mount bracket (6) onto the fixing studs and secure the assembly to the panel with the thumb-nuts (5).

Bracket mounting

A Control Unit Mounting Bracket (Part No. E25009) enables you to mount your ST60 instrument in locations where other forms of mounting are impractical. Although this provides a useful alternative method for securing your instrument, it is only suitable for use in positions where the instrument will not be exposed to water. To bracket mount your ST60 instrument, do so in accordance with the Control Unit Mounting Bracket Instruction Sheet.

Fitting transducer

The ST60 Depth instrument is supplied, with a through-hull depth transducer. The depth transducer is supplied with detailed instructions for installation and maintenance. Before attempting to install the depth transducer, read these instructions and the Site requirements for transducers described in this Chapter. Once you are satisfied you can meet all the installation requirements, install the transducer in accordance with the accompanying installation instructions.

Running transducer cable

Each transducer type has a 14 m (45 ft) cable fitted with spade terminals for connection to the ST60 Depth instrument. The manner in which you run the cable will depend on the locations of the transducer and instrument. Observing the following guidelines, run the transducer cable to the ST60 Depth instrument: If the cable has to be fed through the deck, always use a proprietary deck gland.

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Chapter 3: Installation

Where cables are fed through holes, always use grommets to prevent chafing. Secure long cable runs so they do not present a hazard. Do not route the cable through bilges. Wherever possible, route the cable away from fluorescent lights, engines, radio transmitting equipment, as these may cause interference. Although the transducer cable is fitted with spade connectors for direct connection to the rear of the instrument, it may be necessary to remove these to facilitate installation, e.g. if the cable has to be routed through narrow apertures. Extra spade connectors are provided, to replace any that are removed when running the cable. When fitting spade connectors, prepare the cable as at (a) in the following illustration, then fold back the wire strands and insert into the spade connector as at (b). Ensure the wire strands do not extend beyond the rear of the spade connector insulation, then crimp the connector to the wire.

50 mm 6 mm

D4467-6

Fitting ferrite

Fit a suppression ferrite near the instrument end of the transducer cable, as follows. 1. Release the catch on the ferrite, open it up then snap it closed around the cable. 2. Position the ferrite as close as possible to the instrument end of the cable (maximum 1 foot (300 mm) from the end) and fit a tie-wrap on the cable either side of the ferrite, to hold it in position.

1 ft (300 mm) maximum

Ferrite Transducer cable Tie-wraps

D4469-4

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Connecting the instrument

Types of connection

The ST60 Depth instrument, can be connected: As a stand-alone, master instrument connected directly to the depth transducer. As a SeaTalk repeater. If instruments are connected to SeaTalk, no separate power connection is necessary. Where a SeaTalk system includes an autopilot, the power for the system is provided by the autopilot. A range of Raymarine SeaTalk extension cables is available to connect separated instruments. These cables are supplied with a SeaTalk connector fitted to each end. A junction box can be used to join cables.

Signal connections

Make the necessary connections to your ST60 instrument (see the Connections to ST60 Depth instrument illustration).
SeaTalk cable SeaTalk cable
Black Blue Screen Cable from transducer
Connections to ST60 Depth instrument

D4355-2

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Power supply connections SeaTalk systems
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. Systems with a large number of instruments on the SeaTalk bus may require connections to the power supply from each end of the system (ring-main style), to maintain sufficient voltage throughout the system. This requirement depends on the total length of the cable run and the total number of instruments in the system, as follows:
Cable run Up to 10 m Up to 20 m No. of instruments 13 maximum 26 maximum 7 maximum 13 maximum Power connections 1 2
Red 5 A fused, 12 V dc supply (typically provided by autopilot) Screen 3 4

Red Screen 18

Instruments 5 to 16 17
SeaTalk power connections

D4311-1

Stand alone instruments Stand-alone instruments are not connected to SeaTalk and therefore need to be connected to an alternative 12 V power source. Power cables are available in 2 m and 9 m lengths.
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ST60 Depth Instrument Owners Handbook To fit a power cable: 1. Ensure the intended power source is switched off. 2. Run the power cable from the instrument to a suitable 12 V dc power source. 3. If the cable has not already been trimmed at the power supply end: i. Cut the cable to length and trim back an appropriate amount of the outer sheath. ii. Cut back and insulate the yellow wire. 4. Connect the screen to the power supply 0 V terminal. 5. Connect the red wire via a 3 A circuit breaker to the power supply +12 V terminal. 6. Insert the power cable connector into one of the SeaTalk connectors at the rear of the instrument.
3 A over-current circuit breaker Red 12 V dc supply Screen
Power connections for stand-alone instrument

D4310-2

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Chapter 4: Calibration

4.1 Introduction
The ST60 Depth instrument is set up with factory-programmed default settings, so in order to optimise the performance of the instrument on board a particular vessel, the procedures in this Chapter must be carried out immediately after the completion of installation, and before the equipment is used for navigational purposes. Where practicable, the calibration procedures are presented diagrammatically to show the sequence of key presses and the resulting displays. Adjustment instructions are given where applicable.

Note: The procedure for setting alarm threshold levels is given in Chapter 1, Operation.
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

The User calibration procedures enable you to: Set the required units for depth readings. Set the offset for depth readings, i.e. determine whether depth readings are from the keel of the vessel or from the water line. Lock the shallow alarm. Set pop-up pilot display on or off.

Procedure

To carry out a User calibration: 1. Power up the ST60 Depth instrument. 2. Press the depth and alarm keys for approximately 2 seconds so that the User calibration entry screen is displayed.
Note: The User calibration entry screen will time out to the main display after 7 seconds.
3. Referring to the User calibration diagram, carry out the calibration procedure. Use the depth key to cycle from screen to screen and the offset and reset keys to set the required values at each screen.
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Hold down depth

and alarm
for approximately 2 seconds Entry screen

depth Depth units

Depth offset At each screen use either offset or reset

Pop-up pilot

to set the required values Shallow alarm lock depth depth

User calibration

D4351-2

Depth units

Use this screen to select the units in which depth information is displayed. Either FEET , FATHOMS or METRES.
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Depth offset

Depths are measured from the transducer to the sea bed. However, you can use the depth offset screen to apply offsets to this distance, so that the displayed depth reading represents either the depth from the keel or the depth from the water line (W/L). In order to do this, you need to know the vertical separation between the transducer position and: The bottom of the keel. This requires a negative offset. The water line. This requires a positive offset.

W/L (+ve offset values)

OFFSET (offset value of 0.0)

KEEL (-ve offset values)

Depth offsets

D4352-1

The legend at the top of the Depth offset screen reflects the value you set up, i.e. W/L for positive offsets, KEEL for negative offsets and OFFSET for zero offset.
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Setting offset values

WARNING: The use of incorrect offset values could result in misleading depth information being displayed with a consequent risk of running aground. Use the offset (decrement) and reset (increment) keys to set the required offset value. If you want to display the actual depth reading from the transducer, set a value of 0.0. If you want to apply a W/L (water line) offset or a KEEL offset, adjust the displayed reading until the correct offset value is shown (positive for W/L ; negative for KEEL ).

Shallow lock

When set to On, prevents inadvertent alteration to the shallow depth alarm setting.
Switches the pop-up pilot function on and off.

Leaving User calibration

Hold down the depth and alarm keys for 2 seconds to save your settings, exit User calibration and resume normal operation.
4.3 Intermediate calibration
Intermediate calibration enables you to: Check the instrument software version. Set the instrument status - either MASTER or REPEATER. This feature is particularly useful in preventing interference when using another product (e.g. a fishfinder) that operates at 200 kHz.
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Hold down depth and

for approximately 4 seconds

Software version

Instrument status

Intermediate calibration

D4353-1
To access the Intermediate calibration screens, hold down the depth and alarm keys for approximately 4 seconds. To set the instrument status: 1. Press the depth key to select the Instrument status screen. 2. Press the offset and reset keys simultaneously to enter adjust mode, then press either offset or reset to set the required status.
Note: You must not allocate more than one MASTER depth instrument in any system.
3. Press the offset and reset keys simultaneously again, to leave the adjust mode.
Leaving Intermediate calibration
Hold down the depth and alarm keys for 2 seconds to save your settings, exit Intermediate calibration and resume normal operation.

ST60 Speed Instrument Owners Handbook
Document number: 81037-5 Date: 1 April 2004
Raymarine, ST60 and SeaTalk are trademarks of Raymarine Limited Handbook contents copyright Raymarine Limited 2004

Preface

Important information

Safety notices

WARNING: Product installation & operation This equipment must be installed 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 Make sure you have switched off the power supply before you start installing this product. WARNING: 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 to navigation and should never replace commonsense and navigational judgement. Always maintain a permanent watch so you can respond to situations as they develop.

EMC conformance

All Raymarine equipment and accessories are designed to the best industry standards for use in the recreational marine 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, Raymarine cannot accept liability for any inaccuracies or omissions it may contain. In addition, our policy of continuous product improvement may change specifications without notice. Therefore, Raymarine cannot accept liability for any differences between the product and the handbook.

Contents

Preface.....i Important information... i Safety notices... i EMC conformance... i Handbook information... i Contents.... iii Introduction....vii Data inputs....vii SeaTalk...vii Stand alone operation...viii Remote control...viii Mounting options....viii Parts supplied... ix Chapter 1: Operation....1 1.1 Getting started.... 1 Displayed information... 1 1.2 Normal operation... 1 Speed information... 1 Current speed.... 1 Maximum speed... 1 Average speed... 2 Velocity made good (to windward).. 2 Speed over ground... 3 Log, trip and water temperature.. 3 Log.... 3 Trip.... 3 Water temperature... 4 Timers.... 4 Race-start timers... 5 1.3 Display settings... 5 Illumination.... 5 Contrast.... 6 1.4 Pop-up Pilot.... 6 1.5 Remote control... 6 Chapter 2: Maintenance & Troubleshooting...7 2.1 Maintenance... 7 Servicing and safety... 7 Instrument... 7 Transducer... 7 Cabling.... 8
ST60 Speed Instrument Owners Handbook 2.2 Troubleshooting...8 Preliminary procedures...8 Fixing faults....8 Technical support...9 World wide web...9 Telephone help line...9 Help us to help you...9
Chapter 3: Installation....11 3.1 Planning your installation...11 Site requirements...11 Transducer...11 Instrument...13 EMC installation guidelines...14 Suppression ferrites..15 Connections to other equipment..15 3.2 Procedures...15 Unpacking....15 Fitting the instrument...16 Surface mounting...16 Flush mounting...17 Fitting the low-profile bezel..17 Flush mounting procedure..18 Bracket mounting...19 Fitting transducer...20 Running transducer cable...20 Connecting the instrument..21 Types of connection..21 Signal connections...21 Power supply connections..22 SeaTalk systems...22 Stand alone instruments...23 Chapter 4: Calibration...25 4.1 Introduction...25 EMC conformance...25 Speed readings...25 4.2 User calibration...26 Procedure...26 Set speed units...26 Set resolution...26 Set log units...26

v Setting the correct speed... 29 Adjust to SOG... 29 Cal factor adjust... 29 Set temperature units... 29 Temperature calibration... 29 Timer buzzer.... 29 Pop-up pilot... 30 Leaving User calibration... 30 4.3 Intermediate calibration... 30 Speed calibration... 31 Leaving Intermediate calibration.. 34 4.4 Dealer calibration... 34 User calibration on/off... 34 Response settings... 36 Boat show mode.... 36 Factory defaults... 36 Leaving Dealer calibration... 36

Introduction

Thank you for purchasing a Raymarine product. We are sure your ST60 instrument will give you many years of trouble-free operation. This handbook describes how to install and use the Raymarine ST60 Speed instrument. This instrument provides accurate speed, log, trip and timer information, on a high quality Liquid Crystal Display (LCD). The instrument is constructed in a rugged weather-proofed case to provide reliable performance, even under the most demanding conditions.

Data inputs

The ST60 Speed instrument receives data either from an appropriate speed transducer and/or from a SeaTalk instrumentation system.

SeaTalk

SeaTalk enables a number of compatible instruments to operate as a single, integrated navigational system. Instruments in a SeaTalk system are linked by means of a single cable, which feeds both power and data. Instruments can therefore be added to the system by plugging them into the network. SeaTalk is flexible enough to adapt to any number of compatible instruments without requiring a central processor. SeaTalk can also communicate via an interface, with non-SeaTalk equipment using the internationally-accepted National Marine Electronics Association (NMEA) protocol. In a SeaTalk system, each instrument can be either a master or dedicated repeater unit. A master instrument is directly connected to a transducer (the device that provides the raw data), and provides data and control for the service it is
ST60 Speed Instrument Owners Handbook providing, to all other equipment on the SeaTalk network. A slave instrument is not directly connected to a transducer but repeats information provided by other equipment in the SeaTalk network. The ST60 Speed instrument can fulfil both master and repeater roles.

Stand alone operation

In Stand alone operation, the ST60 Speed instrument is connected only to the relevant transducer and does not display information from, or provide information to, any other instruments.

Remote control

When connected to SeaTalk, the ST60 Speed instrument can be controlled remotely by a SeaTalk Remote Keypad Unit, to provide instant remote access to the various display readouts.

Mounting options

If you do not want to surface mount your ST60 instrument, options are available for: Flush mounting. If you have ordered the flush mounting option a low-profile bezel and four fixing screws are provided. Bracket mounting.

Parts supplied

Unpack your ST60 instrument and check that the following items are present: Item 1, ST60 Speed instrument fitted with standard bezel for surface mounting. Item 2, Fixing studs (2). Item 3, Thumb nuts (2). Item 4, Gasket. Item 5, Speed transducer, plus bung (not illustrated). Item 6, SeaTalk interconnection cable. Item 7, Power cable. Item 8, Instrument Cover. Item 9, Owners Handbook. A Warranty document and fitting templates are included in this Handbook. Item 10, Cue Card. Spare spade terminals are also provided, to re-terminate the transducer cable if it has to be cut to facilitate installation.
Note: The above packing list is for an ST60 Speed system. Where an instrument is purchased separately, a transducer is not included.
ST60 Speed Instrument Owner's Handbook

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Chapter 1: Operation

1.1 Getting started

Displayed information
Your ST60 Speed instrument provides the following: Speed information. Log, trip and water temperature information. Count-up and race-start timers. CAUTION: Calibration requirement The ST60 Speed instrument is calibrated to default settings when supplied. To ensure optimum performance on your boat, this product MUST be calibrated before use. Do NOT use the product until it has been calibrated using the procedures in Chapter 4, Calibration.

1.2 Normal operation

Use the flow charts in this Chapter to operate your ST60 Speed instrument. The flow charts show the sequence of key presses and displays for the various operating tasks. All key presses are momentary unless otherwise stated.

Speed information

The speed key gives access to current speed, maximum speed, average speed, velocity made good (VMG) and speed over ground (SOG) information. Refer to the Using speed key flow diagram to access the information you want.

Current speed

Speed measurement units can be either knots (KTS), miles per hour (MPH) or kilometers per hour (KMH). The required units are selected during user calibration (see Chapter 4, Calibration ).

Maximum speed

The maximum speed is reset at power up. It can also be reset manually by pressing the reset key for 3 seconds. The display shows the maximum recorded speed since the last reset. This screen times-out to current speed if no user action occurs for 7 seconds.

Average speed

The average speed is reset at power up. It can also be reset manually by pressing the reset key for 3 seconds. The display shows the average speed calculated since the last reset. This screen times-out to current speed if no user action occurs for 7 seconds.

speed Current speed

speed Maximum speed

speed Speed over ground

7 second timeout Press for 3s reset speed Average speed to reset Velocity made good speed

7 second timeout

Using the speed key

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Velocity made good (to windward)
Velocity made good (VMG) information is available if your ST60 Speed instrument is part of a SeaTalk system to which a SeaTalk-compatible wind instrument is also connected.

Speed over ground

Speed over ground (SOG)information is available if your ST60 Speed instrument is part of a SeaTalk system to which a suitable GPS is also connected.
Log, trip and water temperature
The trip key gives access to log, trip and water temperature information. Refer to the Using trip key flow diagram to access the information you want.
trip trip Water temperature

Trip distance

reset for 3 s to return TRIP value to 0

Using trip key

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The Log screen shows the total distance covered by the vessel since the ST60 Speed instrument was fitted.
The trip distance is reset at power up and may also be reset manually, by pressing the reset key for 3 seconds. The display shows the distance covered since the last reset.
Note: The trip distance can be reset only if the instrument is a master, i.e. connected to a

speed transducer.

Water temperature
The water temperature is shown in either degrees Celsius or Fahrenheit, as set during calibration (see Chapter 4, Calibration ).

Timers

The timer key gives access to a count-up timer and to two race-start timers. Times are either in seconds (S) or minutes (M), depending on the counter values. Refer to the Using timer key flow diagram to display the required timer.
timer Count-up timer timer Race-start timer 1 timer Race-start timer 2
Press reset either momentarily to start timer, or for lap time (when running) or for 1 s to reset timer to the start value. timer To enter/leave adjust mode, press Race-start timer adjust timer and reset momentarily timer and reset momentarily To enter/leave adjust mode, press
To set a different value, press timer reset to increase the value

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Using timer key

to decrease the value

Once you have selected the required timer display, press the reset key to start the timer running. When a timer is running, the delimiter (i.e.or :) flashes. For lap timing, press the reset key. To stop and reset a timer to the start value, hold down the reset key for 1 second. Once a timer is running, you can leave the timer page and select any other display. The counter will continue to run in the background.

Race-start timers

You can set each race-start timer to any whole-minute value from 1 to 15 minutes.
Note: When the instrument is first installed, the race-start timers are set to 4 and 5 minutes respectively.
To set a race-start timer: 1. Use the timer key as shown in the Using timer key flow diagram to select the required race-start timer. 2. Simultaneously press the timer and reset keys to enter the race-start timer adjust mode. 3. Use either the timer or reset key to set the required value. 4. Simultaneously press the timer and reset keys to save the value and leave the race-start timer adjust mode. If you are using one of the race-start timers and the timer buzzer is enabled, the buzzer will: Double-beep every minute. Beep three times at the start of the last 30 seconds. Beep once for each of the last 10 seconds. Beep for 2 seconds at zero. The timer buzzer is enabled or disabled as part of the calibration procedure (see
Chapter 4, Calibration ).
Note: After a race-start timer has counted-down to zero, it will then start counting up.

1.3 Display settings

Illumination
When the instrument is first powered up, the display illumination is set to its lowest (courtesy) level to facilitate initial access to the keys. To adjust the level of illumination: 1. Hold down the speed key for approximately one second, to enter the illumination-adjust mode.
ST60 Speed Instrument Owners Handbook 2. There are four preset illumination levels. Press the speed key to cycle through these levels until you reach the level you want. 3. Press any other key to leave the illumination-adjust mode.
Note: The display will time out to normal operation 7 seconds after the last key press.

Contrast

To adjust the display contrast: 1. Hold down the speed key for approximately two seconds, to enter the contrast-adjust mode. 2. There are four preset contrast settings. Press the speed key to cycle through these settings until you achieve optimum display quality. 3. Press any other key to leave the contrast-adjust mode.

Certain atmospheric conditions may cause condensation to form on the instrument window. This will not harm the instrument and can be cleared by increasing the illumination setting to Level 3. Periodically clean your ST60 instrument with a soft damp cloth. Do NOT use chemical and abrasive materials to clean the instrument.

Transducer

Refer to the Installation and Maintenance instructions supplied with the transducer.

Cabling

Examine all cables for chafing or other damage to the outer shield and, where necessary, replace and re-secure.

2.2 Troubleshooting

Preliminary procedures
Changes in the electronic environment may adversely affect the operation of your ST60 equipment. Typical examples of such changes are: Electrical equipment has recently been installed or moved aboard your vessel. You are in the vicinity of another vessel or shore station emitting radio signals. If you appear to have a problem, first ensure that the EMC requirements are still being met before further investigating the problem.

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 table may help to identify and rectify the problem.
Fault Display blank Cause No power supply Remedy Check power supply. Check SeaTalk cabling and connector security Check fuse/circuit breaker No transfer of information between SeaTalk instruments (e.g. illumination levels). Failure of a group of SeaTalk instruments. No speed or temperature information No speed information. Temperature available. SeaTalk cable or connector fault Check security of SeaTalk connectors. Check condition of SeaTalk cables. Isolate faulty instrument by disconnecting instruments one by one. SeaTalk cable or connector fault Check the security of SeaTalk connectors between functioning and non-functioning instruments
Transducer cable or Check the condition of the transconnector fault ducer cable and the security of the connections Transducer paddle wheel fouled Clean paddle wheel. See CAUTION below
CAUTION: If you need to remove the transducer insert, have the transducer bung to hand and secure it in the transducer body immediately after the insert has been removed, to prevent excessive ingress of water.

Technical support

Raymarine provides a comprehensive customer support service, on the world wide web and by telephone help line. Please use either of these facilities if you are unable to rectify a problem.

World wide web

Please visit the Customer Support area of our web site at: www.raymarine.com As well as providing a comprehensive Frequently Asked Questions section and servicing information, the web site gives e-mail access to the Raymarine Technical Support Department and a details of the locations of Raymarine agents, worldwide.

Telephone help line

If you do not have access to the world wide web, please call our help line. In the USA, call: +539 5539, extension 2444 or +extension 2444 In the UK, Europe the Middle East or the Far East, call: +44 (0) 4713 (voice) +44 (0) 1228 (fax)

Help us to help you

When requesting service, please quote the following product information: Equipment type. Model number. Serial number. Software issue number. The Software issue number can be ascertained by means of the Intermediate Calibration facility, see Chapter 4, Calibration.

Chapter 3: Installation

This chapter describes how to install the ST60 Speed instrument, and associated speed transducer. The transducer is fitted in the hull of the vessel and is connected to the rear of the instrument. The actual type of transducer depends on the type of hull in which it is to be installed. For advice, or further information regarding the installation of this equipment, please contact the Raymarine Product Support Department or your own National Distributor.
3.1 Planning your installation
Before starting the installation, spend some time considering the best positions for both transducer and instrument, such that the Site requirements and the EMC installation guidelines (below) are satisfied.

Site requirements

2.94 in (75 mm ) diameter
2.00 in (51 mm) diameter 2.94 in (75 mm) diameter

0.57 in (14 mm)

Plastic through hull speed transducer dimensions

3.95 in (100 mm)

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ST60 Speed Instrument Owners Handbook The transducer types required for the various hull types are as follows:
Hull material Glass reinforced plastic (GRP) Steel Aluminium Wood Transducer type M78712 Through hull plastic M78712 Through hull plastic M78712 Through hull plastic M78716 Through hull bronze
Other transducer types are also available for specific requirements. For further details, contact your local Raymarine dealer. For accurate speed readings the transducer should be sited within the clear water flow areas indicated by the shaded areas in the following diagram.

Sailing vessel

Planing power vessel
Displacement power vessel

Transducer siting

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The transducer should also: Be ahead of the propellers (by a minimum of 10% of the water line length). Be at least 6 in (150 mm) away from the keel (ideally ahead of the keel if a sailing yacht). Be as near as possible to the center line of the vessel. Be clear of other through-hull fittings or projections.

Chapter 3: Installation Have sufficient clearance inside the hull to fit the nut. Have 4 in (100 mm) of headroom to allow for withdrawal. There must also be a viable route for the transducer cable to be routed to the instrument.

With standard bezel

4.33 in (110 mm)

0.95 in (24 mm)

0.6 in (15 mm)

With low profile bezel

4.85 in (123 mm)
ST60 instrument dimensions
0.25 in 1.4 in (6.2 mm) (35 mm)

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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. ST60 instruments can be fitted either above or below deck, provided the rear of the instrument is sited where it is protected from contact with water. Each instrument must also be positioned where: It is easily read by the helmsman. It is protected against physical damage. It is at least 9 in (230 mm) from a compass.

3.54 in (90 mm) diameter

4.53 in (115 mm)
ST60 Speed Instrument Owners Handbook It is at least 20 in (500 mm) from radio receiving equipment. There is reasonable rear access for installation and servicing.
EMC installation guidelines
All Raymarine equipment and accessories are designed to the best industry standards for use in the recreational marine environment. Their design and manufacture conforms 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 recognized 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 any location, always ensure the maximum separation possible between different items of electrical equipment. For optimum EMC performance, it is recommended that wherever possible: Raymarine equipment and cables connected to it are: At least 3 ft (1 m) 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 7 ft (2 m). More than 7 ft (2 m) from the path of a radar beam. A radar beam can normally be assumed to spread 20 degrees above and below the radiating element. The equipment is supplied from a separate 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. Cutting and rejoining these cables can compromise EMC performance and 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 used with Raymarine equipment. Always use the ferrites supplied by Raymarine.

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Connections to other equipment
If your Raymarine equipment is to be connected to other equipment using a cable not supplied by Raymarine, a suppression ferrite MUST always be attached to the cable near the Raymarine unit.

3.2 Procedures

As it is not possible to describe procedures for all possible installation scenarios, the procedures given here describe the broad requirements for installing Speed transducers and the ST60 Speed instrument. 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 vessels structure.

Unpacking

Unpack your ST60 equipment and check that the items described in the Preface are present. Each ST60 instrument is supplied with a standard bezel for surface mounting. Optional mounting kits are available for flush mounting and bracket mounting the instrument. If you have ordered the flush mounting option a low-profile bezel and four fixing screws are also provided.

Fitting the instrument

The ST60 Speed instrument can be installed using one of a number of different mounting options: Surface mounting. Gives a profile of approximately 0.95 in (24 mm). Flush mounting. Gives a profile of approximately 0.25 in (6 mm). Bracket mounting. The ST60 instruments can also be mounted behind a panel with just the instrument dial and keys visible.

Surface mounting

To surface mount your ST60 instrument (see the Surface mounting illustration): 1. Ensure that: The selected location is clean, smooth and flat. There is sufficient space behind the selected location to accommodate the rear of the instrument and connectors.

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2. Apply the surface mount template (supplied at the rear of this handbook) to the selected location and mark the centers for the fixing studs (1) and the aperture (3) that will take the rear casing of the instrument. 3. Drill out the two 0.2 in (5 mm) fixing stud clearance holes (2). 4. Cut out the clearance hole (3) then remove the template.
5. Peel off the protective sheet from the self-adhesive gasket (4) then stick the gasket into position on the rear of the instrument. 6. Screw the two fixing studs into the threaded sockets on the rear of the instrument. 7. Mount the assembled instrument, studs, bezel and gasket into the panel. Secure from behind with the thumb nuts (5).

Flush mounting

The Flush Mounting Kit uses a low-profile bezel to reduce the fitted profile of the instrument, to approximately 0.25 in (6 mm) above the panel fascia. Fitting the low-profile bezel In order to flush-mount your ST60 instrument, you must first replace the standard bezel with the low-profile bezel as follows: 1. Hold the instrument in both hands with the display towards you.

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2. Using both thumbs, gently press an upper corner of the instrument from the bezel, then remove the bezel from the instrument. Retain the rubber keypad which is released when the bezel is removed. 3. Referring to the Fitting the low-profile bezel illustration, place the instrument face upwards on a flat surface and place the rubber keypad (7) in position around the display window (i.e. so that each key outline is located over its associated key on the instrument). 4. Snap the low-profile bezel (8) in position over the instrument, so that the rubber keys are correctly located in the holes on the bezel.

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Fitting the low-profile bezel
CAUTION: It is essential that only screws of the correct size are used to secure the instrument to the bezel. Failure to observe this caution could result in damage to both the instrument and the bezel. 5. Using the four, self-tapping screws (9) provided, secure the instrument and bezel together. Fit the screws from the rear of the instrument and tighten them sufficiently to secure the instrument and bezel together. DO NOT OVERTIGHTEN. Flush mounting procedure Flush mount your instrument (see the Flush mounting illustration) as follows: 1. Assemble the ST60 instrument and low-profile bezel as described under Fitting the low-profile bezel. 2. Ensure that: The panel on which you intend to mount the instrument is between 0.12 in (3 mm) and 0.78 in (20 mm) thickness. The selected location is clean, smooth and flat. There is sufficient space behind the selected location to accommodate the rear of the instrument and connectors.

3. Apply the flush mount template (supplied at the rear of this handbook) to the selected location and mark out the aperture into which the assembled instrument and bezel will sit. 4. Cut out the aperture (3) for the assembled instrument and bezel and remove the template. 5. Peel off the protective sheet from the self-adhesive gasket (4) then stick the gasket into position on the rear of the bezel.

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6. Screw the two fixing studs (1) into the threaded sockets on the rear of the instrument. 7. Mount the assembled instrument, studs, bezel and gasket into the panel. 8. Locate the flush mount bracket (6) onto the fixing studs and secure the assembly to the panel with the thumb-nuts (5).

Bracket mounting

A Control Unit Mounting Bracket (Part No. E25009) enables you to mount your ST60 instrument in locations where other forms of mounting are impractical. Although this provides a useful alternative method for securing your instrument, it is only suitable for use in positions where the instrument will not be exposed to water.
ST60 Speed Instrument Owners Handbook To bracket mount your ST60 instrument, do so in accordance with the Control Unit Mounting Bracket Instruction Sheet.

Fitting transducer

The ST60 Speed instrument is supplied, with a through-hull Speed transducer. The Speed transducer is supplied with detailed instructions for installation and maintenance. Before attempting to install the Speed transducer, read these instructions and the Site requirements for transducers described in this Chapter. Once you are satisfied you can meet all the installation requirements, install the transducer in accordance with the accompanying installation instructions.

Running transducer cable

Each transducer type has a 14 m (45 ft) cable fitted with spade terminals for connection to the ST60 Speed instrument. The manner in which you run the cable will depend on the locations of the transducer and instrument. Observing the following guidelines, run the transducer cable to the ST60 Speed instrument: If the cable has to be fed through the deck, always use a proprietary deck gland. Where cables are fed through holes, always use grommets to prevent chafing. Secure long cable runs so they do not present a hazard. Do not route the cable through bilges. Wherever possible, route the cable away from fluorescent lights, engines, radio transmitting equipment, as these may cause interference. Although the transducer cable is fitted with spade connectors for direct connection to the rear of the instrument, it may be necessary to remove these to facilitate installation, e.g. if the cable has to be routed through narrow apertures. Extra spade connectors are provided, to replace any that are removed when running the cable. When fitting spade connectors, prepare the cable as at (a) in the following illustration, then fold back the wire strands and insert into the spade connector as at (b). Ensure the wire strands do not extend beyond the rear of the spade connector insulation, then crimp the connector to the wire.

Power connections for stand-alone instrument

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Chapter 4: Calibration

4.1 Introduction

The ST60 Speed instrument is set up with factory-programmed default settings, so in order to optimise the performance of the instrument on board a particular vessel, the procedures in this Chapter must be carried out immediately after the completion of installation, and before the equipment is used for navigational purposes. Where practicable, the calibration procedures are presented diagrammatically to show the sequence of key presses and the resulting displays. Adjustment instructions are given where applicable.
Always check the installation before going to sea to make sure that it is not affected by radio transmissions, engine starting etc.

Speed readings

One of the most important reasons for calibrating the ST60 Speed instrument is to ensure that speed readings displayed on the instrument are a true reflection of the actual speed of the vessel. In User calibration, you can: Automatically set the displayed speed reading to be the same as the Speed Over Ground (SOG) (if SOG data is available). Manually apply a calibration factor, to set the displayed speed to the required value. If neither of the above methods are suitable, you can carry out a speed calibration run over a measured distance, to enable the instrument to calculate the correct calibration factor. This is described as part of Intermediate calibration.

4.2 User calibration

The User calibration procedures enable you to: Set the required units for speed readings. Set the required Log units. Set the speed resolution. Manually apply a calibration factor or auto-adjust to Speed Over Ground (SOG), to obtain correct speed through the water. Select temperature units. Calibrate for correct temperature readings. Set timer buzzer on or off. Set pop-up pilot display on or off.

Procedure

To carry out a User calibration: 1. Power up the ST60 Speed instrument. 2. Press the speed and trip keys for approximately 2 seconds so that the User calibration entry screen is displayed. 3. Referring to the User calibration diagram, carry out the calibration procedure. Use the speed key to cycle from screen to screen and the timer and reset keys to set the required values (except Adjust to SOG display).

Set speed units

Select either KTS (knots), MPH (miles per hour) or KMH (kilometers per hour), as required.

Set resolution

Select resolution of either 0.01 or 0.1 as required.

Set log units

Select either NM (nautical miles), SM (statute miles) or KM (kilometers), as required.

Hold down