Simrad IS20 Manual
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Simrad IS20 Manual

Analog instrument series
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MANUAL
IS20 Analog
Instrument series
20222584 / A
English
Sw.1.1

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  • Page 1 MANUAL IS20 Analog Instrument series 20222584 / A Sw.1.1 English...

  • Page 2: About This Manual

    © 2007 by Navico Egersund AS About this manual This manual is a reference guide for installing and operating the Simrad IS20 Graphic instrument. The manual does not include operator or installation procedures for sensors that can be connected to the system.

  • Page 3: Table Of Contents

    1.1 General information........5 1.2 Instrument layout ........5 1.3 IS20 system examples......6 2 Operation............ 9 2.1 Turning the IS20 on ......... 9 2.2 Backlighting .......... 10 2.3 Scrolling through function displays ... 11 2.4 Using the heading lock function....13 2.5 Operating the menu system.....
  • Page 4 5.1 General ..........35 5.2 No calibration function available ....35 5.3 IS20 Rudder.......... 36 5.4 IS20 Compass ........40 5.5 IS20 Wind and IS20 Tack ......45 6 Maintenance ..........49 6.1 General maintenance......49 6.2 Resetting the instrument system ....49 7 Spare parts ..........

  • Page 5: Introduction

    1 Introduction 1.1 General information The IS20 analog instruments are a range of four instruments that provide useful information for the boater in a classical fashion. They are individually designed to a particular main function such as rudder angle, compass heading, wind angle and speed and close hauled sailing.

  • Page 6: Is20 System Examples

    1.3 IS20 system examples The IS20 may be installed as a stand-alone instrument system, or as part of an advanced instrument or steering system on the boat.
  • Page 7 IS20 Rudder, Basic system IS20 Compass, Basic system IS20 Wind or Tack, Basic system Introduction | 7...
  • Page 8 IS20 Expanded system 8 | Introduction...

  • Page 9: Operation

    2.1 Turning the IS20 on IS20 has no power key, and will be running as long as power is connected. The IS20 includes a power save function. Refer page 19.

  • Page 10: Backlighting

    2.2 Backlighting The display backlight may be adjusted at any time. Press the light key − The light level will be indicated with flashing number on the LCD Press one of the keys as described below to change the display backlight: a The Light key to increase the light level by one step b The Up/Down keys to increase/decrease the...

  • Page 11: Scrolling Through Function Displays

    2.3 Scrolling through function displays The IS20 Analog instruments may show several functions, displayed by using the Up and Down keys. 3 arrows at the top of the LCD indicate which function that is displayed. The arrow symbols are identified by legends printed on the scale.
  • Page 12 IS20 Wind / IS20 Tack The Wind/Tack instruments can display 5 different functions. The legends are used to indicate an active function as shown in the table below. Scale/pointer Symbol Function Apparent wind speed Apparent wind angle True wind speed...

  • Page 13: Using The Heading Lock Function

    2.4 Using the heading lock function The IS20 Rudder and IS20 Compass instruments include a heading lock function. When this function is activated, the LCD will show heading deviation compared to the vessel’s heading when the function was activated. Use the following procedure to activate the function:...

  • Page 14: Operating The Menu System

    2.5 Operating the menu system All functions and settings in the IS20 analog instruments are available from the menu system, activated by pressing the Enter key. The keys are used as shown below to navigate in the menu system: SINGLE PRESS...
  • Page 15 Operation | 15...

  • Page 16: Changing The Display Settings

    Menu illustrations In this manual, the first steps in a menu operation are illustrated by overlapping menu windows. Number of underlying menu windows are indications only and do not correspond to actual key presses. When more detailed illustrations are required to show key presses and screens, this is shown as below: 2.6 Changing the display settings To optimize the readability under different light...
  • Page 17 Display profile The day and night display profiles controls the light color for the display and the keys. The profiles are utilized in installations where several instruments are configured as part of a SimNet backlight group as described on page 18. Parameter Default Day profile...

  • Page 18: Simnet Backlight Group

    The following group settings are available: Parameter Options Default − Simrad − None Simrad − 1 - 6 − Simrad: Default group for IS20 − None: Not assigned to a group − 1 – 6: Group numbers 18 | Operation...

  • Page 19: Setting The Damping Factor

    2.8 Setting the damping factor The damping factors indicate how fast the display will respond to changes. The higher damping factor the more stable display reading on the instrument. Range Change per step Default value 0 - 9 2.9 Power save function When power save is activated, the display will be turned off.

  • Page 20: Demo Mode

    2.10 Demo mode The IS20 includes a demo mode useful for demonstrations and on show. Once selected the demo mode will be active even if the instrument is turned off. Demo mode is turned OFF with the same procedure as used when it was turned ON.

  • Page 21: Is20 Alarm System

    3 IS20 Alarm system 3.1 Alarm indication The alarm system in the IS20 analog instruments is activated if any alarm settings are exceeded. Refer to Alarm setup, page 45. When an alarm is activated, the alarm will be indicated with an alarm ID and with an audible alarm.

  • Page 22: Acknowledging An Alarm

    The xx will be replaced by the global alarm id. Refer Alarm codes, page 23. If IS20 Graphic is connected to other SimNet units, any alarm in the system will be displayed on the instrument. The alarm text is received from the alarm source or from SimNet.

  • Page 23: Alarm Codes

    3.3 Alarm codes If the text is received from other units connected to SimNet, the alarm text may not be displayed. The alarm condition will then be indicated with a code as listed in the table below. Alarm ID Alarm Shallow water Deep water Anchor alarm...
  • Page 24 Alarm ID Alarm Autopilot control communication failure Autopilot function communication failure Non volatile memory failure 24 | Alarm system...

  • Page 25: Installation

    4 Installation 4.1 Location of the unit The IS20 should be mounted with special regard to the unit’s environmental protection, temperature range and cable length. Refer to page 53. Avoid mounting the unit where it is easily exposed to sunlight, as this may shorten the lifetime of the display.

  • Page 26: Bracket Mounting

    Bracket mounting An optional bracket is available for the IS20. The illustration below shows the mounting details for the bracket. 26 | Installation...

  • Page 27: Cable Connection

    4.3 Cable connection The IS20 may be connected to: − a SimNet network using SimNet cables − an NMEA2000 system − an NMEA0183 output port SimNet/ SimNet/ NMEA2000 NMEA2000 NMEA0183 In SimNet The SimNet cable system with very small plugs in both ends makes it easy to run the cables.
  • Page 28 29, 30 and 31 SimNet must be properly terminated, i.e. unless it is a small system (see the figure on page 29) there must be terminations at each end of the Simrad backbone The SimNet network has to be terminated according to the number and type of products connected.
  • Page 29 SimNet network, small system Installation | 29...
  • Page 30 SimNet network, medium system 30 | Installation...
  • Page 31 SimNet network, expanded system Installation | 31...
  • Page 32 3. Equipment should not be daisy-chained in a drop cable. 4. The wind transducer (*) has a built in terminator. Connecting IS20 to an NMEA2000 network No daisy-chain connection is permitted between SimNet units when connected to an NMEA2000 network! Use the SimNet cable (part no 24005729) to connect the IS20 to an MNEA2000 network.
  • Page 33 Connecting IS20 to an NMEA0183 output unit The IS20 instrument may be used as repeater for data from a device with an NMEA0183 output port (NMEA “talker”). Use a repeater that is suitable for the type of data you want to present and the way you want it presented, i.e.
  • Page 34 Blank page 34 | Installation...

  • Page 35: Configuration

    5 Configuration 5.1 General In this section the configuration procedure is described completely for each instrument type. IS20 Rudder: page 36 - 39 IS20 Compass: page 40 - 44 IS20 Wind/Tack: page 45 - 48 5.2 No calibration function available Some sensors that supply data on SimNet may not have or offer access to a calibration function.

  • Page 36: Is20 Rudder

    5.3 IS20 Rudder Setting the heading reference The IS20 Analog instruments may be set to reference either Magnetic or True heading. If True heading is selected, the magnetic variation must be available from a GPS receiver! Parameter value Default Magnetic...
  • Page 37 Heading offset The compass heading should be checked against a known reference, a compensated compass or a bearing. If any permanent heading offset is present, use the heading offset parameter to compensate for the error. Range Change per step Default value Units -180 - +180 °...
  • Page 38 Setting the rudder zero position This adjustment should be made in calm sea. Side forces from wind or current should be avoided. 1. Bring the boat up to cruising speed, and head directly into the wind 2. If the boat has twin engines, synchronize the engine RPM's 3.
  • Page 39 The instance number is used to identify multiple units of the same model when connected to a SimNet or NMEA2000 network. The instance number is added to the product name e.g. IS20-3 for easy identification of the unit. Range Change per step Default value 0 –...

  • Page 40: Is20 Compass

    5.4 IS20 Compass Setting the heading reference The IS20 Analog instruments may be set to reference either Magnetic or True heading. If True heading is selected, the magnetic variation must be available from a GPS receiver! Parameter value Default Magnetic...
  • Page 41 Setting the magnetic variation If the instrument is connected to a GPS the magnetic variation compensation will be read from the GPS, and it will not be possible to adjust the magnetic variation. If a GPS is not connected the magnetic variation may be entered manually.

  • Page 42: Compass Calibration

    Compass calibration Do not attempt to start calibration when the IS20 and an autopilot are part of the same system unless the autopilot is in STBY mode! Before the compass calibration is started, make sure that there is enough open water around the vessel to make a full turn.
  • Page 43 Heading offset The compass heading should be checked against a known reference, a compensated compass or a bearing. If any permanent heading offset is present, the heading offset parameter should be used to correct for the error. Range Change per step Default value Units -180 - +180...
  • Page 44 The instance number is used to identify multiple units of the same model when connected to a SimNet or NMEA2000 network. The instance number is added to the product name e.g. IS20-3 for easy identification of the unit. Range Change per step Default value 0 –...

  • Page 45: Is20 Wind And Is20 Tack

    5.5 IS20 Wind and IS20 Tack Alarm setup The IS20 may be set up to sound an alarm if w parameters exceeds preferred values. The alarm monitoring is disabled by setting the value to Off. Wind shift alarm The wind shift alarm will monitor the wind angle. The...
  • Page 46 Wind speed alarms The true wind alarms may be set for high and low wind measurements: − True wind speed too high − True wind speed too low The illustration example shows how to set the True wind alarm limit. Range Change per step Default value...
  • Page 47 Setting the units of measure The displayed units for wind and boat speed may be set according to the table below. Parameter Options Default − kn Wind speed unit − mph − m/s − kn Boat speed unit − mph −...
  • Page 48 The instance number is used to identify multiple units of the same model when connected to a SimNet or NMEA2000 network. The instance number is added to the product name e.g. IS20-3 for easy identification of the unit. Range Change per step Default value 0 –...

  • Page 49: Maintenance

    6 Maintenance 6.1 General maintenance The IS20 instruments are “repair by replacement” units, and the operator is therefore required to perform only a very limited amount of preventive maintenance. If the unit requires any form of cleaning, use fresh water and a mild soap solution (not a detergent).
  • Page 50 Blank page 50 | Maintenance...

  • Page 51: Spare Parts

    7 Spare parts 7.1 Spares and auxiliaries Part no. Description 22096028 IS20 Rudder instrument head 22096655 IS20 Compass instrument head 22096002 IS20 Wind instrument head 22096671 IS20 Tack instrument head Mounting kit including: − 4 screws 22096630 − 4 corners...

  • Page 52: Simnet Cables And Accessories

    7.2 SimNet cables and accessories Art. no. Description 24005829 0.3 m (1') SimNet cable (SDC:0.3M) 24005837 2 m (6.6') SimNet cable (SDC:02M) 24005845 5 m (16.6') SimNet cable (SDC:05M) 24005852 10 m (33') SimNet cable (SDC:10M) 24005860 SimNet T-joiner (SDJ) (3p) 24006298 SimNet Multijoiner (7p) 24006306...

  • Page 53: Specifications

    8 Specifications 8.1 Technical specifications Weight: ..........0,3 kg (1.1 lbs) Power consumption ..........1,3 W Color:............... Black Display: Type:..Custom made 4 characters 7 segment LCD Illumination (Red or white): . Adjustable in 10 steps Environmental protection: Front ............IP56 Back:............IP43 Safe distance to compass: .......

  • Page 54: Dimensional Drawing

    8.2 Dimensional drawing 114 [45.1"] 114 [45.1"] 21 [8.3"] 17 [6.6"] Ø88 [34.6"] 44 [17.2"] 54 | Specifications...

  • Page 55: Menu Options

    8.3 Menu options IS20 Rudder Display Description Range Default Backlight day/ night day/nitE Backlight Color Whte/red Whte white/red Backlight Group 0 – 6 Damping, Apparent 0 – 9 Wind Heading unit Compass offset adjust Rudder feedback calibration Automatic rudder offset...
  • Page 56 Display Description Range Default Demo mode On – oFF Save power Exit menu (return to function display) 56 | Specifications...
  • Page 57 IS20 Compass Display Description Range Default Backlight day/ night day/nitE Backlight Color Whte/red Whte white/red Backlight Group 0 – 6 Damping, Apparent 0 – 9 Wind Heading unit Magnetic variation Compass calibration Compass offset adjust Device Instance 0 – 63...
  • Page 58 Display Description Range Default Exit menu (return to function display) 58 | Specifications...
  • Page 59 IS20 Wind and IS20 Tack Display Description Range Default Backlight day/ night day/nitE Backlight Color Whte/red Whte white/red Backlight Group 0 – 6 Damping, Apparent 0 – 9 Wind Alarm, Wind shift Off, 5-90 Alarm, True wind Off, 1 –...
  • Page 60 Display Description Range Default Save power Exit menu (return to function display) 60 | Specifications...

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