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Simrad IS20 Manual

Graphic multifunction display
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Simrad IS20 Graphic
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  • Page 1 Manual Simrad IS20 Graphic Multifunction display A brand by Navico - Leader in Marine Electronics...
  • Page 2 Manual Simrad IS20 Graphic Multifunction display Document no: 20222576 Revision: Date: March 2008 The original language for this document is English. In the event of any discrepancy between translated versions and the English version of this document, the English document will be the official version.

  • Page 3: About This Manual

    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. In this manual, names of menu commands, dialog box text and keys are written in boldface (e.g.

  • Page 4: General Information

    A race timer is also included in the IS20. Instrument layout The IS20 has a 10 * 104 pixels LCD. The display may be set to red or white illumination color, and the contrast and light level are adjustable.
  • Page 5 The following general softkey symbols are used: Cancel 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. The figures on the next two pages show simplified...
  • Page 6 IS20 Graphic, Basic system IS20 Graphic, Basic system with 2 sensors...

  • Page 8: Basic Operation

    Turning the IS20 on IS20 has no power key, and will be running as long as power is connected. ...
  • Page 9 Backlighting The display backlight may be adjusted at any time. Press the light key The Light level overlay window will be displayed on top of the current view. Press one of the keys as described below to change the display illumination: The Light key to increase the light level by one step The Up/Down softkeys to increase/decrease...
  • Page 10 Scrolling through data pages The IS20 Graphic is pre-configured with 8 instrument pages, of which 2 are disabled. The instrument will scroll through the pages by using the Up and Down keys . Default page at first time turn-on ...

  • Page 11: Operating The Menu System

    Pressing the Right key will have no effect if the active data page not includes any calculated data! Operating the menu system All functions and settings in the IS20 are available from the menu system, activated by pressing the Menu/Enter key. The main menu items give further access to sub menus and various settings.
  • Page 12 Use the keys as shown below to navigate in the menu system: Single press Press and hold Confirm a selection/parameter setting Go to next menu level/parameter settings Go to previous menu level/ Return to normal parameter listing operation and the last active data page Go to previous/next menu item, increase/decrease parameter...
  • Page 13 The illustration below shows how to change the light level from 4 to 2.  Press and holding the Left key will always return the display to normal operation and the last active page!
  • Page 14 Menu illustrations In this manual, the first steps in a menu operation are illustrated by overlapping menu windows. When more detailed illustrations are required to show key presses and screens, this is shown as below: Disabling/enabling data pages By disabling a data page, the number of pages will be reduced when scrolling through the data pages.
  • Page 15 Disabling pages Continue to select pages and repeat the procedure if more pages are to be disabled. Enabling a page Continue to select pages and repeat the procedure if other pages are to be enabled.

  • Page 16: Locking And Unlocking The Keys

    Locking and unlocking the keys The IS20 keys may be locked to prevent any unintended operation. The key lock function is enabled by pressing the Menu/ Enter and the Light keys simultaneously. A locked instrument has a padlock symbol in the upper left corner.

  • Page 17: Advanced Operation

    The advanced features described in this section are not required for basic operation of the instrument! Customizing the data pages IS20 Graphic is capable of displaying 8 pages. These are pre-configured from factory, but they are all user configurable. The number of pages may be reduced by disabling one or more pages.
  • Page 18 4 windows/ 4 windows/ horizontally square Changing the page layout All data pages are user configurable. The illustrations below show how a 4-window page is configured. Press and hold the Left key to leave the menu and return to normal operation when all windows are defined. For a list of all available data groups and data items, refer to Data groups and data items.

  • Page 19: Remote Operation

    Restoring factory default pages All user defined data pages may be restored to factory default layout and content. Use the keys to confirm or cancel and return to the menu. Remote operation This function is for future use. SimNet group function The SimNet group function provides global control of groups of units.
  • Page 20 Alarm Simrad, None, 1-6 Simrad Power save Simrad, None, 1-6 None Simrad: Default group for IS20 None: Not assigned to a group 1–6: Group numbers The figures on next page illustrates how the instruments on a flybridge and in a cockpit are assigned to separate language, damping and display groups, and how this affects the setup for the different instruments.
  • Page 21 LANGUAGE = FLYBRIDGE NONE BACKLIGHT = 1 DAMPING = 1 COCKPIT BACKLIGHT = 2...

  • Page 22: Demo Mode

    The SimNet groups are normally configured during installation, but may be changed at any time. Demo mode The IS20 includes a demo mode, useful for demonstrations and on show. Active demo mode is indicated with flashing DEMO text in the upper right corner of the page.

  • Page 23: The Timer Function

    4 The log/timer functions The timer function The timer function is used to measure time and distance after a race start. When a timer page is displayed, basic key operation is replaced by functions indicated by softkeys.  The timer is by default shared between interconnected SimNet units, and all timer values will be identical.

  • Page 24: Starting The Race Timer

    Starting the race timer  The race timer will continue to run until the Stop softkey is pressed even if the race timer page is replaced by another page! When the counter turns zero, the race log starts to log the distance, the Synchronize softkey is removed and the timer function will work as a race timer!
  • Page 25 Resetting the timer A stopped or paused timer is reset to the pre-set countdown time by pressing the Reset softkey. Synchronizing the timer The countdown timer may be synchronized to the nearest whole minute at any time by pressing the Sync softkey. ...
  • Page 26 Trip logging The trip log display shows: accumulated total distance since the instrument was installed or from a factory reset distance and time since the trip log was started/ reset Resetting the trip log The trip log is reset to zero by pressing the Reset soft- key.

  • Page 27: Setting The Time Offset

    Setting the time offset The time function in IS20 is only available when a GPS is connected to the system. The GPS runs on UTC time, and can be adjusted to show local time by entering a UPC offset value.

  • Page 28: Changing The Default Settings

    5 Changing the default settings General The factory default settings may all be changed from the User setup command in the Main menu.  Updating the settings will affect all instruments in the SimNet group. Refer to SimNet group function. Setting the damping factors The damping factors indicate how fast the display will respond to changes.

  • Page 29: Alarm Setup

    Alarm setup The IS20 may be set up to sound an alarm if vessel or environmental parameters exceeds preferred values. The alarm monitoring is disabled by setting the value to Off. Boat speed alarm Used to give alarm if the boat speed goes beyond a selected value.

  • Page 30: Depth Alarm

    Depth alarm The depth alarm can be set up for deep and shallow water limits. An anchor alarm can be activated to warn if the boat is drifting. The alarm will sound when during a 40 seconds time period there is a change in depth of 2- meters (6–10 ft).
  • Page 31 Wind alarm The wind alarm can be set for high and low wind speeds. The wind shift alarm will monitor the wind angle. The reference angle is set when the alarm is turned on, and reset to present wind angle when an alarm is acknowledged.
  • Page 32 The Auto select option will look for all sources connected to the instrument system. If more than one source is available for each item, the IS20 will automatically select from an internal SimNet priority list. Verify that all interfaced units are powered on...

  • Page 33: Manual Source Selection

    Manual source selection If more than one source is available for each item, the preferred source may be selected manually. As an example, the following illustrations show how the compass source is changed. Select the preferred data source and confirm with the OK softkey.

  • Page 34: Changing The Display Settings

    Changing the display settings The display is controlled by two user profiles that can be individually adjusted. The profiles are Day profile and Night profile. The profiles can be optimized for readability under different light conditions, and you can quickly switch between the two using the Light key.

  • Page 35: Language Selection

    Language selection The language is usually selected when the instrument is turned on for the first time. Refer to First time start- up, page 57. It is, however, possible to change the language at any time. The following languages may be selected: Deutch (German) English (English) Español (Spanish)

  • Page 36: Changing The Units Of Measure

    Changing the units of measure Parameter Options Default value Boat speed - kn - kmh - mph Wind speed - kn - m/s - mph Distance - nm - mi - km Depth - ft Heading - °M °M - °T Temperature - °C °F...

  • Page 37: Alarm Indication

    6 IS20 Alarm system Alarm indication The alarm system in IS20 Graphic is activated if any alarm settings are exceeded. Refer to Alarm setup, page 4. When an alarm is notified, the alarm will be indicated with an alarm text and with an audible alarm.

  • Page 38: Acknowledging An Alarm

    Acknowledging an alarm An alarm is acknowledged by pressing any key. This will remove the alarm notification (text, light and sound) from all units that belongs to the same alarm group. Refer to SimNet group function A reminder will reappear at given intervals for as long as the alarm condition exists.
  • Page 39 Alarm ID Alarm Shallow water Deep water Anchor alarm Wind shift True wind speed too high True wind speed too low Boat speed too low Voltage too high Voltage too low Depth data missing Wind data missing Nav data missing Compass data missing Off course Rudder data missing (RF25)

  • Page 40: Location Of The Unit

    7 Installation 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 75. Avoid mounting the control unit(s) where it is easily exposed to sunlight, as this may shorten the lifetime of the display.

  • Page 41: Bracket Mounting

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

  • Page 42: Cable Connection

    Cable connection The IS20 may be connected to: a SimNet network using SimNet cables an NMEA2000 system an NMEA018 input port SimNet/ SimNet/ NMEA2000 NMEA2000 NMEA018 In SimNet The SimNet cable system with very small plugs in both ends makes it easy to run the cables. Only 10 mm (/8”) holes are required through panels and bulkheads.
  • Page 43 SimNet must be properly terminated, i.e. unless it is a small system (see the figure on page 51) 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 47 60 m (200 ft). Equipment should not be daisy-chained in a drop cable. 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.
  • Page 48 Connecting IS20 to an NMEA0183 output unit The IS20 instrument may be used as repeater for data from a device with an NMEA018 output port (NMEA “talker”). Use a repeater that is dedicated for the type of data you want to present and the way you want it presented, i.e.

  • Page 49: First Time Start-Up

    8 Configuration First time start-up When the IS20 is powered on for the first time, the instrument will run through an automatic start-up sequence, presenting: Product name, serial number, software version, release date Language selection Automatic data source selection Press the Menu/Enter key when the start-up procedure is completed.
  • Page 50 Calibration After installation, certain functions in the system must be calibrated to adapt to the physical position and type of sensors installed. All calibration is initiated from the CALIBRATION sub menu. Boat speed The hull shape or the location of the speed sensor may cause incorrect speed readings, and calibration is required to ensure that correct speed and log readings are displayed.
  • Page 51 Calibrate by speed over ground With a GPS connected to the system, the speed may be automatically set identical to the speed over ground value. This adjustment should be made in calm sea with no effect from wind or tidal current. Bring the boat up to cruising speed (above 5 knots) Select Calibrate w/SOG and press the Menu/ Enter key to start the calibration...
  • Page 52 Depth The default value for the depth offset is 0.0, which indicates the displayed depth from the transducer to the seabed (b). Refer to the illustration on the next page. The value should be increased or decreased, depending on whether the depth reading should be from the water line or from the keel, respectively: A negative offset equal to the vertical distance from the transducer to the keel will display the...
  • Page 53 The symbol in front of the depth reading will change to indicate that the depth is measured from: the keel the water line Range Change per step Default value Units -10 - +10 m, ft...
  • Page 54 If more than one compass is connected to the system, each compass have to be manually selected as compass source (sensor) and calibrated separately. Refer to Manual source selection, page 8. The calibration procedure will have no effect on  earlier compass models from Simrad and non-Simrad compasses!

  • Page 55: Compass Calibration

    Compass calibration Before the compass calibration is started, make sure that there is enough open water around the vessel to make a full turn. The calibration should be done in calm sea conditions and with minimal wind to obtain good results. Use about 60- 90 seconds to make a full circle.
  • Page 56 See illustration on next page.  Calibration is made on the active compass. If another model compass from Simrad or another manufacturer is installed, refer to the instruction for that compass regarding calibration. Lubber line...
  • Page 57 Mounting offset After compass calibration, the heading should be checked against a known reference, a compensated compass or a bearing. If the compass reading has a fixed offset, use the Offset parameter to compensate. Range Change per step Default value Units -180 - +180 °...
  • Page 58 Adjusting the maximum rudder angle Select Max starboard and press the Menu/Enter key to start the calibration Manually turn the rudder to h.o. starboard position Confirm that the actual rudder angle is identical to the readout. Adjust the reading if necessary Repeat the procedure for port rudder angle Setting rudder zero position This adjustment should be made in calm sea and side...

  • Page 59: Simnet Groups

    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- for easy identification of the unit. Range Change per step...

  • Page 60: General Maintenance

    9 Maintenance 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). It is important to avoid using chemical cleaners and hydrocarbons such as diesel, petrol etc.

  • Page 61: System Data

    NMEA0183 status The NMEA018 status screen lists status information about available data type, checksum error and NMEA018 version. System data The System data screen provides status information about the different NMEA messages used by the system.

  • Page 62: Displaying Instrument Information

    Displaying instrument information By selecting the About IS20 menu item, an information window will display instrument model, software version number (1.0.), software release (02) and date of release. The shown readout is only an example!

  • Page 63: Spare Parts

    10 Spare parts Spares and auxiliaries Part no. Description 22096010 IS20 Graphic instrument head IS20 mounting kit including: - 4 screws 2209660 - 6 corners - 1 SimNet blocking plug 22096515 IS20 Weather cover 22096820 IS20 Mounting bracket 2400655 SimNet blocking plug 22098495 NMEA018 Interface cable 2.5 m (8’)
  • Page 64 SimNet cables and accessories Art. no. Description 24005829 0. m (1’) SimNet cable (SDC:0.M) 2400587 2 m (6.6’) SimNet cable (SDC:02M) 24005845 5 m (16.6’) SimNet cable (SDC:05M) 24005852 10 m (’) SimNet cable (SDC:10M) 24005860 SimNet T-joiner (SDJ) (p) 24006298 SimNet Multijoiner (7p) 2400606...

  • Page 65: Technical Specifications

    11 Specifications Technical specifications Weight: ............0. kg (1.1 lbs) Power consumption: ............. 1. W SimNet Network Load (NL): ..........2 NL Color: ................Black Display: Type: .........Backlit LCD matrix display Resolution: ..........10 x 104 pixels Illumination (Red or white): ....Adjustable in 10 steps Environmental protection: Front: ..............

  • Page 66: Dimensional Drawings

    Dimensional drawings...
  • Page 67 Menu low chart...
  • Page 68 Data groups and data items DATA GROUP DATA ITEM DESCRIPTION Speed/Depth BOAT SPD Boat speed Speed over ground Velocity made good to wind VMG to waypoint (Waypoint VMG WPT Closure Velocity, WCV) SPD TRIM Speed trim DEPTH Current depth Wind APP W/S Apparent wind speed APP W/A...
  • Page 69 DATA GROUP DATA ITEM DESCRIPTION Navigation BRG WPT Bearing to next waypoint DST WPT Distance to next waypoint Cross track error Estimated time to next ETA WPT waypoint TIME WPT Time to next waypoint Next waypoint number and name Engine/Battery ENG1 RPM Engine 1 RPM ENG2 RPM...

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