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TOP EDGE BLEED
MASK FOR
2 COLOUR
SEATALK
LOGO
ST 30
SPEED
Operation and
Installation

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  • Page 1 TOP EDGE BLEED MASK FOR 2 COLOUR SEATALK LOGO ST 30 SPEED Operation and Installation...
  • Page 2 TOP EDGE BLEED MASK FOR 2 COLOUR SEATALK LOGO Nautech Limited, Anchorage Park, Portsmouth P03 5TD, England Telephone (0705) 693611. Fax (0705) 694642...
  • Page 3 ST30 Speed Operation and Installation Handbook o t s D582 Autohelm and SeaTalk are registered Trade Marks of Nautech Limited Autohelms policy of continuous improvement and updating may change product specifications without prior notice Copyright Nautech 1992...
  • Page 4 ST30 Speed Operation and Installation Handbook Package Contents The following items are included in the ST30 Speed package: ST30 Speed instrument Fixing studs (2 off) Thumb nuts (2 off) Fitting template 1m power cable Paddle transducer (through hull) with 10m cable and 1/8in spade connectors (0 to 32 knots) Instrument cover Operation and installation handbook...
  • Page 5: Table Of Contents

    ST30 Speed Operation and Installation Handbook Contents Introduction ............... 4 Chapter 1: Control Head Installation ........5 1.1 Siting ................5 1.2 Mounting procedure ............6 1.3 Power supply (Stand-alone operation) ....... 7 1.4 Power supply (SeaTalk operation) ........7 1.5 Connection to adjacent ST30 instruments ......
  • Page 6: Introduction

    ST30 Speed Operation and Installation Handbook Introduction Designed for above or below deck installation, the ST30 Speed can be used as a stand-alone master instrument or can be set to repeat speed information from the SeaTalk bus. The ST30 Speed will display the following information: •...
  • Page 7: Chapter 1: Control Head Installation

    Chapter 1: Control Head Installation Chapter 1: Control Head Installation 42mm (1.65in) 110mm (4.33in) 24mm (1.0in) TRIP TOTAL MAXIMUM AVERAGE DISPLAY SPEED Autohelm D583 1.1 Siting The ST30 Speed may be installed above or below deck where it is: • easily readable by the helmsman (normally viewed at eye level) •...
  • Page 8: Mounting Procedure

    ST30 Speed Operation and Installation Handbook 1.2 Mounting procedure D584 1 Instrument 2 Fixing studs 3 Thumb nuts 4 Sealing gasket 5 Power supply cable 6 Transducer cable Make sure the surface to which the instrument (1) is to be mounted is smooth and flat.
  • Page 9: Power Supply (Stand-Alone Operation)

    Chapter 1: Control Head Installation 1.3 Power supply (Stand-alone operation) Caution: The ST30 Speed must only be connected to a 12V supply. SEATALK 12V Supply – Screen D585 For stand-alone operation, use the 1 metre cable supplied with the instrument. Connect the moulded power supply plug to either SeaTalk connection on the rear of the instrument and run the free end back to the vesselÕs distribution panel.
  • Page 10: Connection To Adjacent St30 Instruments

    ST30 Speed Operation and Installation Handbook 1.5 Connection to adjacent ST30 instruments The ST30 Speed is supplied with a daisy-chain cable that allows adjacent ST30 instruments to be linked together. The daisy-chain cable supplies power to adjacent instruments and allows data to be transmitted and received via the SeaTalk bus.
  • Page 11: Chapter 2: Transducer Installation

    Chapter 2: Transducer Installation Chapter 2: Transducer Installation 2.1 Connection to instrument The transducer is supplied with 10m (32.5ft) of cable that plugs directly into the back of the instrument. SEATALK D586...
  • Page 12: Transducer Type

    ST30 Speed Operation and Installation Handbook 2.2 Transducer type The ST30 Speed system is supplied, as standard, with a plastic through hull transducer. This is suitable for use with Glass Reinforced Plastic (GRP), Steel and Aluminium hulls at speeds up to 32 knots. Wooden hull and transom mount installations require a different type of transducer.
  • Page 13 Chapter 2: Transducer Installation Fit the high speed/replacement paddlewheel (7) to the speed transducer (3) and retain with the pin (6). Note: The paddlewheel is correctly orientated when the working surfaces of each paddle are facing forwards. Assemble the speed transducer (3) to the through hull fitting (4) and secure with retaining rings (1) and pin (2).
  • Page 14: Installation

    ST30 Speed Operation and Installation Handbook 2.4 Installation All speed transducers are supplied with detailed installation and mainte- nance instructions. These instructions, together with the following notes, should be read thoroughly before attempting to install the transducer. Speed transducer (through hull) For accurate speed readings, locate the speed transducer in the shaded 'clear flow' areas as shown.
  • Page 15: Cabling

    Chapter 2: Transducer Installation 2.5 Cabling Run the transducer cable back to the instrument. Avoid fluorescent lights, engines and radio transmitting equipment. The transducer cable should also be kept clear of bilge's, where possible, and be secured at regular intervals. Note: The transducer cable can, if required, be shortened.
  • Page 16: Chapter 3: Fault Finding

    ST30 Speed Operation and Installation Handbook Chapter 3: Fault Finding All Autohelm products are, prior to packing and shipping, subject to comprehensive test and quality assurance programmes. However, if a fault arises with the ST30 Speed, the following table will help to identify the probable cause and provide the most likely cure.
  • Page 17: Chapter 4: Maintenance

    Chapter 4: Maintenance Chapter 4: Maintenance 4.1 Instrument Certain conditions may cause condensation to appear on the instrument window. This will not harm the instrument and can be cleared by increasing the illumination setting to level 3. Chemical and abrasive materials must not be used to clean the ST30 Speed instrument;...
  • Page 18: Chapter 5: Operation

    ST30 Speed Operation and Installation Handbook Chapter 5: Operation The ST30 Speed leaves the factory set to: • display speed in knots • display distance in nm • Master mode These settings can be changed in calibration. When the ST30 Speed is powered on the instrument displays 'Boat Speed'.
  • Page 19: Trip Distance Display

    Chapter 5: Operation Trip Distance display Press Display to select 'Trip Distance'. TRIP TOTAL MAXIMUM AVERAGE Cal. DISPLAY SPEED To reset Trip Distance to zero, press and hold for 3 seconds. The trip display will flash on and off before resetting to zero. TRIP TOTAL MAXIMUM...
  • Page 20: Maximum Speed Display

    ST30 Speed Operation and Installation Handbook Maximum Speed display Press Display to select 'Maximum Speed'. This display shows the maximum speed achieved in knots or mph. TRIP TOTAL MAXIMUM Knots AVERAGE DISPLAY SPEED The maximum speed display is reset by pressing for one second.
  • Page 21: Light Key

    Chapter 5: Operation The Average Speed display may be reset by pressing for one second. TRIP TOTAL MAXIMUM Knots AVERAGE DISPLAY SPEED 5.2 Light Key key controls the level of instrument illumination. There are 3 levels, with level 3 the brightest. TRIP TOTAL MAXIMUM...
  • Page 22: Chapter 6: Calibration

    ST30 Speed Operation and Installation Handbook Chapter 6: Calibration 6.1 Normal Calibration The ST30 Speed can be programmed to display speed information in knots or mph and distance in nm or miles. To select the calibration menu, press and hold Display and .
  • Page 23: Logs Units Selection (Nm/Miles)

    Chapter 6: Calibration Press to change the selection. TRIP TOTAL MAXIMUM AVERAGE Cal. DISPLAY SPEED Log units selection (nm/miles) When Units Selection (nm/miles) is cycled the display shows nm or miles. TRIP TOTAL MAXIMUM AVERAGE Cal. DISPLAY SPEED Press to change between nm and miles. TRIP TOTAL Miles...
  • Page 24: Exit Calibration

    ST30 Speed Operation and Installation Handbook Exit calibration Press Display and for 2 seconds. TRIP TOTAL MAXIMUM AVERAGE DISPLAY SPEED Log calibration The ST30 Speed should not be used for navigational purposes until the transducer paddlewheel has been calibrated to suit the characteristics of the vessel.
  • Page 25: Enter Calibration Factor (Cf)

    Chapter 6: Calibration Measure the distance between the two points on a chart. The correction factor (CF) can now be calculated. CF = Charted Distance Average Distance Enter calibration factor (CF) Press Display and for 2 seconds until CAL is displayed. TRIP TOTAL MAXIMUM...
  • Page 26: Exit Calibration

    Exit calibration To exit calibration and r&m to speed, press and hdd and 38 for seconds. Calibration Lock/Unlock The lock/unlock feature removes the risk of accidentally changing tie calibration values log calibration, shallow alarm etc. For securii, the calibration lock/unlock feature is accessed by an extended hold down of the * and keys as follows: Display...
  • Page 27: Return To Normal Display

    Momentarily press A and V together. CO = Calibrtion locked, i.e. IX) access Cl = Calibration unlocked, i.e. normal access 3. Mode selection is altered using A key. Return to normal display Press and hold Display and *. After 2 seconds ‘Speed’...
  • Page 28: Master/Repeater Display

    ST30 Speed Operation and Installation Handbook 6.3 Master/Repeater display As it leaves the factory, the ST30 Speed is set to operate in Master mode. In this mode the instrument is connected to a speed transducer and transmits speed information onto the 'SeaTalk' bus. The ST30 Speed can be set up as a Repeater, repeating speed information already on the 'SeaTalk' bus.
  • Page 29: Return To Normal Display

    Chapter 6: Calibration Press to change mode. TRIP TOTAL MAXIMUM AVERAGE DISPLAY SPEED Note: Normal calibration is not available when the ST30 Speed is set to Repeater mode. Return to normal display To exit calibration and return to speed, press and hold Display and 2 seconds.
  • Page 30: Chapter 7: General Specification

    ST30 Speed Operation and Installation Handbook Chapter 7: General Specification Power supply: 11 to 16V Power consumption: 40mA (without illumination) 80mA (illuminated) Temperature range: 0 to 70 deg° C Dimensions: 110 x 88mm (4.3 x 3.5in) Illumination: 3 selectable levels Boat speed: 0 to 99.9 knots or mph (0.1 increments)
  • Page 31 TOP EDGE BLEED MASK FOR 2 COLOUR SEATALK LOGO Nautech Limited, Anchorage Park, Portsmouth P03 5TD, England Telephone (0705) 693611. Fax (0705) 694642...
  • Page 32 TOP EDGE BLEED MASK FOR 2 COLOUR SEATALK LOGO Nautech Limited, Anchorage Park, Portsmouth P03 5TD, England Telephone (0705) 693611. Fax (0705) 694642...

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