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Simrad GN33 Manual

Simrad GN33 Manual

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M A N U A L
Simrad GN33
GPS Navigator
183-2700-702 English
02501.27
Note!
Insert or remove C-MAP cartridges ONLY through CHART menu or when
unit is off. All electronic navigation equipment is subject to external factors
beyond the control of the manufacturer. Therefore such equipment must be
regarded as an aid to navigation. The prudent navigator will, for that reason,
never rely on a single source for position fixing and navigation.

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  • Page 1 M A N U A L Simrad GN33 GPS Navigator 183-2700-702 English 02501.27 Note! Insert or remove C-MAP cartridges ONLY through CHART menu or when unit is off. All electronic navigation equipment is subject to external factors beyond the control of the manufacturer. Therefore such equipment must be regarded as an aid to navigation.
  • Page 2 MOB ‘MAN OVERBOARD’ function In case someone falls overboard, press the [MOB] key and hold for 2 seconds (or activate an external MOB switch - hold for 5 seconds). Press [CLR] to confirm and reset the alarm if activated by mistake. Press [ENT] to make all relevant data available for an efficient rescue operation: MOB Page 1: The Chart 1 display will provide a graphical impres-...

  • Page 3: Table Of Contents

    GN33 GPS Navigator Table of contents MOB ‘MAN OVERBOARD’ function ......back of front cover Chapter 1 Introduction and safety summary Introduction and system familiarization ........1-1 Safety summary ................1-2 How to get started ................ 1-2 1.3.1 Dedicated function keys ............... 1-3 1.3.2...
  • Page 4 Table of contents GN33 GPS Navigator Chapter 4 Position menu Position menu ................4-1 Position display................4-1 Dual speed display (trawling speed display) ........ 4-5 Speed, course & depth ..............4-6 Speed diagram................4-7 Satellite status................4-9 DGPS information...............4-11 SDGPS information..............4-13 4.7.1...
  • Page 5 Factory settings ................9-13 Chapter 10 Installation and service Installation and service .............. 10-1 10.1 Installation notes ................ 10-1 10.2 Installation of GN33 GPS Navigator .......... 10-3 10.3 Location for display unit ............10-4 10.4 Installation of antenna ..............10-5 10.5 Electrical connections ..............
  • Page 6 External alarm and log connections........... 10-7 10.6 Optional connections..............10-8 10.6.1 External alarm, function switch and data transfer..... 10-8 10.6.2 Data transfer between two GN33 units ........10-9 10.6.3 External alarm and log connections..........10-10 10.6.4 Overview of various optional connections........10-11 10.7 Preventive maintenance.............10-11...

  • Page 7: Introduction And System Familiarization

    The GN33 chart system includes a built-in world chart for rough planning and overview. The choice of chart system best suitable for the GN33 was carefully singled out to be the C-MAP NT+ mini cards. The optional C-MAP charts are available world-wide at your local Simrad dealer.

  • Page 8: Safety Summary

    The lifetime of the internal battery is minimum 5 years. If not exchanged before it goes flat, all data in the unit’s memory will be lost. We strongly recommend that you bring in the GN33 unit to a Simrad workshop for a new battery max. 5 years from date of purchase.

  • Page 9: Dedicated Function Keys

    GN33 Introduction and safety summary Chapter 1-3 When ready, the ship symbol on the chart will flash and the *** will be replaced by actual course and speed figures. 1.3.1 Dedicated function keys Press the [CHART] key to toggle between: CHART 2 sec.

  • Page 10: Chart And Chart Functions

    Chapter 1-4 GN33 Introduction and safety summary 1.3.2 Chart and chart functions Press the [CHART] key to call Chart 1 and toggle data field on/off CHART - see chart examples in section 1.3.1. C-MAP cartridges (standby) Press [MENU], [1], [3] whenever inserting or removing a C-MAP card.
  • Page 11 7. Press [ENT] to accept changes and save the route. 8. Press [MENU] to go to the route list, which will provide an overall view of the total of routes stored in the GN33.
  • Page 12 Chapter 1-6 GN33 Introduction and safety summary How to edit a route - rubberbanding • To move a point: 1. Place cursor on the point you wish to move. 2. Press [ENT], [1], [2]. 3. Move cursor to new location.
  • Page 13 GN33 Introduction and safety summary Chapter 1-7 Advance or stop navigation • Press [GOTO], [1] to advance to next point in the route. • Press [GOTO], [3] to stop navigation. Start and stop track 1. Press [MENU], [3], [5]. 2. Before tracking is started, you can give the track a new name, make changes to track interval, track line type and color/grey scale.
  • Page 14 Chapter 1-8 GN33 Introduction and safety summary...

  • Page 15: Fundamentals Of The Display And

    GN33 Fundamentals & initial start-up Chapter 2-1 2.1 Fundamentals of the display and page system The GN33 Navigator has a multi-function screen and data presenta- tion system with full screen or a split screen with chart and data. Full screen.
  • Page 16 Chapter 2-2 GN33 Fundamentals & initial start-up Toggle between the four pre-set pages manually: Press the [PAGE] key - again and again - to toggle between the 4 PAGE pre-set pages, which as default are: Chart 1 with info field, Position, Highway, and Speed diagram displays.

  • Page 17: Key Functions

    GN33 Fundamentals & initial start-up Chapter 2-3 2.2 Key functions Some of the key functions are general and can be applied at any time, other key functions are related to a certain menu(s) and can only be applied when in the appropriate menu.

  • Page 18: Menu Bar

    Chapter 2-4 GN33 Fundamentals & initial start-up The alpha-numeric keys inserts and selects data in data displays. Keys 1-9 are also Quick-range keys, which each represent a fixed chart range. Key 0 will center the cursor/ship on the chart. Turns cursor off (and centers ship) on chart display. Deletes data in enter or edit mode.

  • Page 19: Menu Layout

    GN33 Fundamentals & initial start-up Chapter 2-5 The menu bar will disappear from the screen at the selection of a function, or by pressing the [MENU] key. Besides, if not used, it automatically turns off after 30 seconds. 2.4 Menu layout...
  • Page 20 Chapter 2-6 GN33 Fundamentals & initial start-up PILOT When this PILOT menu appears, then Highway one of the Navigation modes is active. Turn NAV off WP advance Restart to approaching point ETA & AVN Trim & highway Set & drift...

  • Page 21: Choice Of Symbols

    Press the [CLR] key to delete everything from cursor position and to the right of cursor in that row. 2.7 Initial start-up To turn on the GN33, press and hold the [PWR] key till a picture appears on the screen Press [ENT] to accept warning and assume operation Press [PWR] again to adjust the lighting (and contrast in mono- chrome version) in the screen and select day or night display etc.,...

  • Page 22: Turn Power Off

    Call up INFO window, and... Press and hold until screen turns black The GN33 is now turned off. All the data and setups are saved and stored in the internal memory and, of course, will be available next time the unit is turned on.

  • Page 23: Chart Menu

    GN33 Chart menu and INFO windows Chapter 3-1 3. Chart menu CHART - see section 3.1 Chart 1 1:26400000 - see section 3.1 Chart 2 1:6600000 - see section 3.2 C-MAP cartridge For safety reasons, navigation with electronic charts should always be combined with authorized paper charts.

  • Page 24: Data Field In Chart

    Chapter 3-2 GN33 Chart menu and INFO windows Chart range indicator (5.1nm) can be set ON/OFF in “Chart setup”. 3.1.1 Data field in chart The data field in the chart display (with cursor off) will give you the ship’s current speed, course and *position in lat/long together with water speed and depth indication.

  • Page 25: Cursor Function

    GN33 Chart menu and INFO windows Chapter 3-3 3.1.3 Cursor function With chart display active: Press the cursor key to activate the chart cursor (cross hairs) Press [CLR] to turn the chart cursor off The chart cursor will automatically switch off if not used in the last five minutes.
  • Page 26 Chapter 3-4 GN33 Chart menu and INFO windows level range is switched off and the chart changes to a new level of details. The extended level range can be toggled OFF/ON in chart setup (default = ON). See section 3.4 Chart setup.

  • Page 27: C-Map Cartridge

    GN33 Chart menu and INFO windows Chapter 3-5 3.2 C-MAP cartridge On the unit’s front below the keypad is a watertight drawer wherein you place the C-MAP cartridge/C-card you wish to load. Do not attempt to insert or remove a cartridge unless the unit is turned off, or chart reading is in stand-by - see below.
  • Page 28 Chapter 3-6 GN33 Chart menu and INFO windows In addition to the larger boundaries of the world chart there will be separate boundary lines for the individual charts stored on the same cartridge. However, the boundary lines for the C-MAP chart areas can be turned off, so they will not be visible on the chart - refer to section 3.4 Chart setup.

  • Page 29: Info Windows

    GN33 Chart menu and INFO windows Chapter 3-7 3.3 INFO windows A number of pop-up INFO windows are available mainly from active chart display. Only a few of the functions in the INFO win- dows can be accessed from data displays and other displays. Refer to sections 3.3.x.

  • Page 30: Cursor Active But Not Placed On Any Object Or Data

    Chapter 3-8 GN33 Chart menu and INFO windows 3.3.2 Cursor active but not placed on any object or data With chart in active page, and cursor active but not placed on any object or user data, press [ENT] to call up an info window with the...

  • Page 31: Cursor Placed On Waypoint

    GN33 Chart menu and INFO windows Chapter 3-9 3.3.3 Cursor placed on waypoint With chart in active page, and cursor placed on a waypoint, press [ENT] to call up an info window with the following to choose from: WP found Name: WP 1 LAT 57°15.504N...

  • Page 32: Cursor Placed On Route Leg Or Line Section

    Chapter 3-10 GN33 Chart menu and INFO windows 3.3.4 Cursor placed on route leg or line section With chart in active page, and cursor placed on a route leg or line section, press [ENT] to call up an info window with the following to...

  • Page 33: Cursor Placed On Routepoint Or Linepoint

    GN33 Chart menu and INFO windows Chapter 3-11 3.3.5 Cursor placed on routepoint or linepoint With chart in active page, and cursor placed on a routepoint or line- point, press [ENT] to call up an info window with the following to...

  • Page 34: Cursor Placed On Trackpoint

    Chapter 3-12 GN33 Chart menu and INFO windows 3.3.6 Cursor placed on trackpoint Trackpoints are not as easily recognized as Routepoints, you may have to move the cursor along on the track to locate a trackpoint. With chart in active page, and cursor placed on a trackpoint, press...

  • Page 35: Cursor Placed On Target

    GN33 Chart menu and INFO windows Chapter 3-13 3.3.7 Cursor placed on target With chart in active page, and cursor placed on a target symbol, press [ENT] to call up an info window with the following to choose from: Target found Name: TARGET 1 LAT 57°02.825N...

  • Page 36: Goto Function

    Chapter 3-14 GN33 Chart menu and INFO windows 3.3.8 GOTO function Shortcut to navigation modes: GOTO Select NAV mode To select “Cursor” navigation will require that Chart 1 or Chart 2 is selected and the Cursor cursor is active. Waypoint “Waypoint”, “Route”...

  • Page 37: Plot Function

    GN33 Chart menu and INFO windows Chapter 3-15 3.3.9 PLOT function The GN33 is designed to make navigation easy and safe. Waypoints can be inserted as numbers via the keypad. However, making routes, drawing lines and plotting waypoints etc. are all done directly on the chart.
  • Page 38 Chapter 3-16 GN33 Chart menu and INFO windows From active chart display with cursor on: Plot and save cursor’s position as a waypoint; insert a location name (cf.section 2.6), adjust the position by keying in new figures, change the symbol (cf.section 2.5).

  • Page 39: Chart Setup

    GN33 Chart menu and INFO windows Chapter 3-17 3.4 Chart setup Hotkey to chart CHART With chart active, press [ENT], [9] to load the chart setup for the selected chart (1 or 2) The settings are dedicated to the chart in the active page and does not affect the second chart.
  • Page 40 Chapter 3-18 GN33 Chart menu and INFO windows Chart settings Display example contin- ued from previous page. Chart NORMAL Boundary lines Mixing levels Marine presentation INTERNATIONAL Simplified draw mode Quick chart info Chart area SMALL Orientation NORTH UP TRUE Rotation resolution 15°...
  • Page 41 GN33 Chart menu and INFO windows Chapter 3-19 to explore. All the listed objects that can be turned on and off speaks for themselves - they are either ‘on=shown on the chart’ or ‘off=not shown on the chart’. All user data in the chart system are listed under ‘Chart settings’ in the display...
  • Page 42 Chapter 3-20 GN33 Chart menu and INFO windows Orientation - can be set to NORTH UP, HEAD UP or NAV UP, and the mode can be RELATIVE or TRUE motion. NORTH UP - (default) the chart will always be presented as north up.

  • Page 43: Position Menu

    GN33 Position menu Chapter 4-1 4. Position menu Position - see section 4.1 Dual speed - see section 4.2 Speed, course & depth - see section 4.3 Speed diagram - see section 4.4 Satellites - see section 4.5 DGPS - see section 4.6 SDGPS - see section 4.7...
  • Page 44 Chapter 4-2 GN33 Position menu Position update - if, for some reason, there is no position update from GPS or external sensor, the displayed position will start to flash and an alarm will be activated to alert the operator. Reset the ‘Posi- tion missing’...
  • Page 45 GN33 Position menu Chapter 4-3 Position setup From position display, press [ENT] to load Position setup: Datum: 000: World Geodetic System 1984 Log 1: 00000.0nm Log 2: 00000.0nm Display position as: LAT/LON Delta position: 0°00.000N 0°00.000E Start position: Lat 57°02N Lon 009°50E...
  • Page 46 Chapter 4-4 GN33 Position menu Display position as - the position can be shown in latitude/ longitude, Loran C or decca coordinates (after selecting chain from the Setup menu). Toggle with +/-. Delta position - some paper charts do not indicate a datum, but instead they have a notation to an offset or delta position to WGS84.

  • Page 47: Dual Speed Display (Trawling Speed Display)

    GN33 Position menu Chapter 4-5 4.2 Dual speed display (trawling speed display) The analogue differential speed indicator will show how much the present speed varies from the average speed. If the difference exceeds +/- 3 knots (or km/h or miles/h), an arrow will appear which will be pointing out of the scale.

  • Page 48: Speed, Course & Depth

    Chapter 4-6 GN33 Position menu 4.3 Speed, course & depth MENU Call up the menu bar, and... load Speed, course & depth display Speed over ground 18.0kn Course Depth below transducer 12.4m This display is preset to show: Speed over ground in knots.

  • Page 49: Speed Diagram

    GN33 Position menu Chapter 4-7 4.4 Speed diagram MENU Call up the menu bar, and... load “Speed diagram” S= Speed over ground. V= Velocity towards waypoint. W*= Speed through water. SD (Set and drift)*= Speed and direction, true or relative.
  • Page 50 Chapter 4-8 GN33 Position menu The scale for the speed diagram can be adjusted in this display. Time interval can be set in 8 intervals from 1 minute to 3 hours and freeze. Go to the function you wish to change...

  • Page 51: Satellite Status

    GN33 Position menu Chapter 4-9 4.5 Satellite status MENU Call up the menu bar, and... load satellite status display The display will show which satellites are currently being used for computation of data. It will show their position together with SNR - Signal to Noise Ratio.
  • Page 52 Chapter 4-10 GN33 Position menu Position update alarm “Alarm” in the satellite status display is preset to “ON” to initiate a warning when there is no position update. Reset the alarm by [CLR]. If the received position data is invalid, the position shown in the posi- tion display will start to flash.

  • Page 53: Dgps Information

    GN33 Position menu Chapter 4-11 4.6 DGPS information The DGPS - differential position corrections - can be provided from a built-in module, which is preset to full automatic operation, or from connected DGPS receiver - see “Status indicator” in position display.
  • Page 54 Chapter 4-12 GN33 Position menu Status - can either be: LOCKED = locked on a beacon and receiving differential data. NOT LOCKED = not locked on a becon and receiving no differen- tial data. NOT INSTALLED = there is no built-in DGPS module in unit.

  • Page 55: Sdgps Information

    GN33 Position menu Chapter 4-13 4.7 SDGPS information The SDGPS - satellite differential GPS - is preset to full automatic operation, which means that the system will utilize the position cor- rections from either differential GPS stations (refer to section 4.6) or satellite differential GPS signals from WAAS, EGNOS or MSAS (refer to section 4.7.1).
  • Page 56 Chapter 4-14 GN33 Position menu Uses corrections from - indicates which differential corrections (DGPS or SDGPS) are currently used for position determination. CHANNEL 1: sat.no. - indicates which satellite number and name is currently tracked/searched by channel 1, and what is the tracking state.

  • Page 57: Satellites In Sdgps System

    It is, however, not expected to become fully employed till sometime in 2003. In the meantime, the system will have limited usage but will be available to all users with the latest Simrad equipment, such as the GN33 GPS Navigator.
  • Page 58 Chapter 4-16 GN33 Position menu...

  • Page 59: Waypoints Stored In The Memory

    GN33 Waypoint / route menu Chapter 5-1 5. Waypoint / route menu WP/RTE WP list - see section 5.1 Routes - see section 5.2 Route calculation - see section 5.3 Lines - see section 5.4 Start track - see section 5.5 Stop track - see section 5.5...

  • Page 60: Delete Waypoints Via Menu

    Chapter 5-2 GN33 Waypoint / route menu Insert name of waypoint you wish to edit, or... Leaf through waypoints with +/- keys or up/down cursor Open for editing Place the cursor on the function you wish to change Key in new figures, or...

  • Page 61: Routes Stored In The Memory

    GN33 Waypoint / route menu Chapter 5-3 5.2 Routes stored in the memory The route list will keep a record of all the saved routes in the system. It will provide information on number of waypoints in the route etc.
  • Page 62 Chapter 5-4 GN33 Waypoint / route menu This display provides information on course line, XTE line, route legs, routepoints etc. Call up the Edit route display - if you wish to make any changes. Routepoints Routepoints Setting the Course line to OFF in this display will make the route invisible on the screen.
  • Page 63 GN33 Waypoint / route menu Chapter 5-5 If the XTE distance is not the same in all legs, the value will be *.* instead of the 00.10nm. Navigation mode can be either RHUMB- LINE or GREAT CIRCLE, or... if not set to the same in all legs in a route, the mode will be: COMPOSITE.

  • Page 64: Delete Route Via Menu

    Chapter 5-6 GN33 Waypoint / route menu 5.2.1 Delete route via menu MENU Call up the menu bar, and... load route list Select the route you wish to delete Call up the route details on highlighted route Open for editing...
  • Page 65 GN33 Waypoint / route menu Chapter 5-7 the +/- keys and then press [CLR] to remove the point from the route. Display example: Save the route with [ENT] and go to the Edit display - or leave the function with [MENU] to abandon the route.

  • Page 66: Route Calculation

    Chapter 5-8 GN33 Waypoint / route menu 5.3 Route calculation To stay well informed during navigation, the Route calculation display will provide information on how long it takes to go from one point to another, total distance, arrival time etc.

  • Page 67: Lines Stored In The Memory

    GN33 Waypoint / route menu Chapter 5-9 5.4 Lines stored in the memory The line list will keep a record of all the saved lines in the system. It will provide information on number of line sections in line etc.

  • Page 68: Delete Lines Via Menu

    Chapter 5-10 GN33 Waypoint / route menu Turning “Line” OFF will make the line drawing invisible on the screen. Put it back on the screen by turning it ON again. Place the cursor on the function you wish to change i.e. name, line...

  • Page 69: Start / Stop Track

    GN33 Waypoint / route menu Chapter 5-11 5.5 Start / stop track The track function will provide a track trailing the movement of your ship. As default from the factory, the first track is stored as TRACK 1, the next as TRACK 2 etc.

  • Page 70: Tracks Stored In The Memory

    Chapter 5-12 GN33 Waypoint / route menu Type of track line i.e. full, dotted, etc. has 9 different types to choose from in 15 different colors/grey scales. To stop track: MENU Call up the menu bar, and... load Stop track pop-up window Stop the highlighted track 5.6 Tracks stored in the memory...

  • Page 71: Delete Tracks Via Menu

    GN33 Waypoint / route menu Chapter 5-13 Open for change “Display track” can be set ON/OFF, where OFF will make it invis- ible on the screen. Turn ON to put it back on the screen. Toggle between available values Confirm changes 5.6.1 Delete tracks via menu...

  • Page 72: Targets Stored In The Memory

    GN33 Waypoint / route menu 5.7 Targets stored in the memory The GN33 can display the bearing and distance of up to three targets at a time in relation to the vessel e.g. harbors or important naviga- tional points. A target is a fixed point on the chart which can be plot- ted by the cursor or from the ship’s position - refer to section 3.3.9, or...

  • Page 73: Delete Target Via Menu

    GN33 Waypoint / route menu Chapter 5-15 Toggle between available values Confirm entry 5.7.1 Delete target via menu MENU Call up the menu bar, and... load target display Select the target you wish to delete Open for editing GOTO Delete target Confirm that you want to delete the selected target, if not sure: press [MENU] to exit the display without having made any changes.
  • Page 74 Chapter 5-16 GN33 Waypoint / route menu...

  • Page 75: Pilot Menu - With Nav Inactive

    GN33 Pilot menu & navigation examples Chapter 6-1 6. Pilot menu - with NAV inactive PILOT Highway - see section 6.1 Waypoint navigation - see section 6.5.2 Route navigation - see section 6.5.3 Track navigation - see section 6.5.4 Anchor guard - see section 6.3...
  • Page 76 Chapter 6-2 GN33 Pilot menu & navigation examples Before starting out in one of the navigation modes, it may be a good idea to check out the Navigation setup display and see if the default settings will suit your need.

  • Page 77: Pilot Menu - With Nav Active

    GN33 Pilot menu & navigation examples Chapter 6-3 Navigation mode - RHUMBLINE navigation is used for shorter distances, and GREAT CIRCLE for long trips, especially when crossing at high latitudes. COMPOSITE navigation is used when all the legs in a route are not set to the same navigation mode.

  • Page 78: Highway Display

    Chapter 6-4 GN33 Pilot menu & navigation examples 6.2.1 Highway display MENU Call up the menu bar, and... load Highway display With navigation mode active, the highway display will provide a graphical steering display: Intended track between two waypoints. XTE alarm lines - refer to sec.6.1 for...

  • Page 79: Navigation Setup

    GN33 Pilot menu & navigation examples Chapter 6-5 6.2.2 Navigation setup If you wish to make any changes in the navigation setup, you can quickly enter the navigation setup display by pressing [ENT] from the highway display (graphical steering display).
  • Page 80 Chapter 6-6 GN33 Pilot menu & navigation examples ETA - Estimated Time of Arrival - refers to the inserted local time, and can be calculated to any point used for navigation. AVN - Approximate Velocity Necessary - is automatically calculated in knots after you key in the planned arrival time and date.

  • Page 81: Pilot Mode - Trim & Highway

    GN33 Pilot menu & navigation examples Chapter 6-7 6.2.7 Pilot mode - Trim & highway display Some of the readings rely on data from external log and compass. The Trim & highway display will provide information on actual and mean speed, velocity and water speed - see also section 6.2..8 Set &...

  • Page 82: Pilot Mode - Set & Drift

    Chapter 6-8 GN33 Pilot menu & navigation examples 6.2.8 Pilot mode - Set & drift The readings rely on data from external log and compass. MENU Call up the menu bar, and... load the Set & drift display Relative direction.

  • Page 83: Anchor Guard

    6.4 MOB alarm and navigation The MOB - Man overboard - alarm and display will be activated if you press the [MOB] key on the GN33 keypad and hold it depressed for two seconds, or activate an external MOB switch (hold five sec- onds).

  • Page 84: Navigation Examples

    Chapter 6-10 GN33 Pilot menu & navigation examples 6.5 Navigation examples 6.5.1 Chart/cursor navigation. 6.5.2 Waypoint navigation. 6.5.3 Route navigation. 6.5.4 Track navigation. Relevant for all navigation modes are: - the highway display with graphical steering - section 6.2.1. - the ETA & AVN display with Estimated Time of Arrival and Approximate Velocity Necessary to reach a given point at a specific time - section 6.2.6.

  • Page 85: Waypoint Navigation

    GN33 Pilot menu & navigation examples Chapter 6-11 Press the cursor key to activate the cursor, then move the cursor to your destination GOTO Call up “Select NAV mode” window, and... select “Cursor” A course line will now be drawn from actual position (ship’s posi- tion) to destination point (cursor’s position).
  • Page 86 Chapter 6-12 GN33 Pilot menu & navigation examples Select Waypoint This will activate the pop-up window “Navigate to WP” - now follow the procedures from the a few lines further ahead, or press [ENT] to start navigation. From the menu: MENU Call up the menu bar, and...

  • Page 87: Route Navigation

    GN33 Pilot menu & navigation examples Chapter 6-13 6.5.3 Route navigation To start Route navigation will require that at least one route is stored in the memory. Refer to section 3.3.9 PLOT function. When navigating in a route, you will have a graphical steering dis- play to navigate by, see section 6.2.1.
  • Page 88 Chapter 6-14 GN33 Pilot menu & navigation examples Start navigation A course line will now be drawn from ship’s position to the first routepoint. Pressing [GOTO] from chart display during navigation will activate GOTO an INFO window with the following functions to choose from: 1.

  • Page 89: Track Navigation

    GN33 Pilot menu & navigation examples Chapter 6-15 6.5.4 Track navigation A track is created by a series of trackpoints connected by track lines. Using a track for navigation is somewhat like navigating in a route with many waypoints. To start Track navigation will require that at least one track is stored in the memory.
  • Page 90 Chapter 6-16 GN33 Pilot menu & navigation examples Use the cursor to move around in the window if anything needs to be changed - such as Direction in track, etc. Key in the number of the first trackpoint you wish to sail to Start navigation A course line will now be drawn from ship’s position to the first...

  • Page 91: Echo Menu

    GN33 Echo menu Chapter 7-1 7. Echo menu ECHO Depth & temperature diagram 7.1 Depth & temperature diagram The depth and temperature “instrument” provides a graphical pres- entation of depth and water temperature from external equipment in relation to time or distance.
  • Page 92 Chapter 7-2 GN33 Echo menu Setup for Depth: Scale for depth: 0 -> Color for depth: Scale for temperature: 0 -> 20 °C Color for temperature: Interval of screen: TIME Time interval: 5 MIN. Go to the function you wish to change Key in new figures, or...

  • Page 93: Miscellaneous Menu

    Data transfer - see section 8.4 8.1 Wind display The GN33 is ready to present wind data from connected instru- ments. Wind data - the ‘wind instrument’ can provide both wind direction and wind speed, and the readings can be shown in relative or true (when the data is supplied from connected wind instrument).
  • Page 94 Chapter 8-2 GN33 Miscellaneous menu Load Setup for Wind display Setup for Wind: Damping level: MEDIUM Relative wind scale: NORMAL Wind angle offset: 000° Show wind speed as: RELATIVE Wind speed unit: METERS/SECOND Go to the function you wish to change Toggle between settings, or...

  • Page 95: Mob Position

    8.3 DSC alarm (feature prepared for future DSC VHF) To receive an iDSC Alarm and Message from VHF will require that the GN33 is connected to a compatible Simrad VHF radiotelephone. The data is transmitted via the NMEA sentence: $PSIMB,1,0,*hh<CR><LF>...

  • Page 96: Data Transfer Via Datacard

    Simrad DataCard. On the unit’s front below the keypad is a water- tight drawer wherein you place the DataCard. Use the Simrad DataCard to make backup files of all the user data you have created plus the current setups in the internal memory of the unit.
  • Page 97 You can not ‘add more information’ to data already transferred. Whenever transferring data from a GN33 to Databank 1 or 2 on the DataCard, or from Databank 1 or 2 on DataCard to a GN33, the data package will replace the entire capacity in the receiving unit.

  • Page 98: Data Transfer Via Nmea Connection

    8.5 Data transfer via NMEA connection Data transfer to and from a second GN33 or a route planning pro- gram on a Personal Computer can be made via NMEA connection (see section 10.6) by means of the standard NMEA0183 sentences WPL and RTE.
  • Page 99 Exit function and return to normal NMEA communication MENU Transmit routes Press [3] to start transmission of all routes stored in the GN33 Route list to PC or second GN33 When the transmission is completed you will receive a new info window informing of how many routes were transferred.
  • Page 100 If it takes too long and you need the GN33 in a hurry, then press the [MENU] key to Stop saving any more data - what has been saved until this point will stay in the memory, the rest will be lost.

  • Page 101: Setup Menu

    GN33 Setup menu Chapter 9-1 9. Setup menu SETUP Speed alarm, units & language - see section 9.1 NMEA interface - see section 9.2 Alarm output - see section 9.3 Decca lanes - see section 9.4 Loran C - see section 9.5 Display color - see section 9.6...
  • Page 102 Chapter 9-2 GN33 Setup menu Toggle between available values Serial number: 0x000070b0 Example of the Speed Interface software version: 0x00010011 alarm, units GPS receiver type: N11999 & language PAGE rotation interval: 05 sec. display, Display text in: English GB page 2.
  • Page 103 Refer to “Fundamentals of the display and page system” in section 2.1 for more details on how the function works. Display text in - as standard the GN33 is supplied with the follow- ing national display languages: Danish (DK), English (GB), English (US), French (F), German (D), Italian (I), Nederlands (NL), Spanish (E), Swedish (S), and Portuguese (P).

  • Page 104: Interface Setup, Nmea

    Chapter 9-4 GN33 Setup menu 9.2 Interface setup, NMEA The NMEA port can be set to: NMEA0183 EXT. DGPS (external DGPS) NMEA0180 NMEA0182 The next pages indicate the default settings for the interface setups. After the interface setups will follow a description of the input and output sentences available in the setups.

  • Page 105: Default Sentences

    GN33 Setup menu Chapter 9-5 Toggle between values, and between ON and OFF Confirm entry, and accept warning (press [ENT] again), or... exit function without making any changes MENU 9.2.1 Default sentences Interface setup - INPUT - Port NMEA0183: Sentence...

  • Page 106: Description Of Sentences

    Chapter 9-6 GN33 Setup menu Interface setup - OUTPUT - Port NMEA0183: Sentence String Status Position data: GPS fixdata: Geographic pos, Lat/Lon: WGS84 Geographic pos, Lat/Lon: Recom. min. GPS data: Track made good & SOG: Time and date: ------------------------------------------------- Navigation data: Autopilot sentence ‘B’:...
  • Page 107 GN33 Setup menu Chapter 9-7 Description of NMEA0183 instrument input WPL Waypoint data (will only be updated every 5 seconds). TLL Target data (will only be updated every 5 seconds). MTW Water temperature. VHW Water speed and heading. HDT Heading, True.

  • Page 108: Interface Setup, Alarm Output

    Chapter 9-8 GN33 Setup menu 9.3 Interface setup, alarm output MENU Call up the menu bar, and... load display for Alarm output Interface setup, alarm: Output (ECHO pin 3,5): Alarm stand-by level: OPEN Interface setup, pos-status: Output (ECHO pin 1,2):...

  • Page 109: Decca Lanes

    GN33 Setup menu Chapter 9-9 9.4 Decca lanes MENU Call up the menu bar, and... load decca chain display Leaf through the available chains - see below. Confirm entry To change the position readouts to decca mode, see section 4.1 under Position setup, where ‘Display position as’...

  • Page 110: Loran C

    Chapter 9-10 GN33 Setup menu 9.5 Loran C MENU Call up the menu bar, and... load Loran C chain display Leaf through the available chains - see listing further ahead in this section. If required, go to the slaves, and...

  • Page 111: Display Color

    8000 North Pacific 9990 9.6 Display color If your GN33 is the monochrome version, the color features described in this manual will appear in black, white, and grey scales. MENU Call up the menu bar, and... load the Palette setup Palette 1 to 4 are preset to bright daylight (sunshine) in 1 and 2, normal daylight in 3, and night setting in 4.
  • Page 112 Chapter 9-12 GN33 Setup menu Page 1 of 2. Page 2 of 2.

  • Page 113: Factory Settings

    GN33 Setup menu Chapter 9-13 9.7 Factory settings DELETE MEMORY: It will be possible to erase a single category of objects entered into the unit by the user - for example, if moving to a different place in the world you may no longer need the routes etc. you have in the memory.
  • Page 114 Chapter 9-14 GN33 Setup menu instructions in the display. However, any attempt to make any type of change, will first of all generate a WARNING display to inform you that you are about to erase some or all data/settings. If you are absolutely sure, press [ENT] to complete the job...

  • Page 115: Installation And Service

    GN33 Installation and service Chapter 10-1 10. Installation and service 10.1 Installation notes For a number of reasons, all user-related decisions, setups, etc. should be noted in these two pages as they occur. This information may be helpful if your unit has been updated with new software, reset or in for service.
  • Page 116 Chapter 10-2 GN33 Installation and service Important settings (continued):...

  • Page 117: Installation Of Gn33 Gps Navigator

    GN33 Installation and service Chapter 10-3 10.2 Installation of GN33 GPS Navigator The GN33 can be flat or bracket mounted - overhead, bulkhead or console. 37.5 (1.5”) 235 mm (9.3”) 252 mm (10”) 100.5 mm (4”) Bulkhead mounting (approx. 10° tilt, allowing space for 45 mm (1.8”)

  • Page 118: Location For Display Unit

    Chapter 10-4 GN33 Installation and service Removable corner Overhead mounting Flush mounting for flush mounting Refer to included template for instruc- tions on flush mounting. Bracket mounting Secure the bracket with two wood screws or bolts (incl.). 10.3 Location for display unit...

  • Page 119: Installation Of Antenna

    GN33 Installation and service Chapter 10-5 10.4 Installation of antenna The antenna must be placed in a position where tall constructions, steel wires, masts, etc. do not obstruct the view to the satellites. Do not, however, mount the antenna in the top of a mast or tower, as this may degrade the COG and SOG readings, especially if DGPS is used.

  • Page 120: Electrical Connections

    Chapter 10-6 GN33 Installation and service 10.5 Electrical connections Ship’s Ground Antenna Alarm/Log cable 1: Green Pos alarm (1A) Fuse 4.0A slow 2: Green Pos alarm (1B) 3: Grey Alarm all (2A) 1 & 2: Red Supply + 4: Black...

  • Page 121: Power Supply Connections

    10.5.1 Power supply connections The internal voltage regulator will allow the GN33 to operate normally within the power supply voltage range from 10 to 32 V DC. The GN33 is connected to external power (battery) by means of the supplied power/NMEA cable.

  • Page 122: Optional Connections

    Chapter 10-8 GN33 Installation and service 10.6 Optional connections 10.6.1 External alarm, function switch and data transfer The REMOTE connector includes connections for the external alarm, func- tion switch and data transfer to/from PC. Refer to section 10.5 and 10.5.4.

  • Page 123: Data Transfer Between Two Gn33 Units

    GN33 Installation and service Chapter 10-9 10.6.2 Data transfer between two GN33 units A second GN33 can be connected via the REMOTE port to enable exchange of waypoint and route data. For interconnecting two GN33 units, use two alarm/data cables, part no. 153-6070-001.

  • Page 124: External Alarm And Log Connections

    Chapter 10-10 GN33 Installation and service 10.6.3 External alarm and log connections The port marked ECHO features two alarm relay output, alarm for missing position update and general navigational alarm. Further, there is a log output with 200 pulses per nm (5V 50mA).

  • Page 125: Overview Of Various Optional Connections

    10.8 Repair and service The GN33 is sealed and does not contain any user serviceable parts. Opening of this unit will void its warranty. If the GN33 requires servicing or repair, call your authorized SIMRAD dealer, but first check section 10.9 Troubleshooting.

  • Page 126: Troubleshooting

    Chapter 10-12 GN33 Installation and service 10.9 Troubleshooting For all fault finding, first check that the supply voltage is between 10-32 VDC Symptom Check Remedy No picture on display Check that the unit is Press the [PWR] key on screen...

  • Page 127: Specifications

    GN33 Installation and service Chapter 10-13 10.10 Specifications of GN33 General data Power supply: 12 and 24 V DC (10-32 V DC max) 8-17 watt Power cable: Power/NMEA cable, 2 m (153-6070-002) Dimensions: H:144 mm (5.8”) W:252 mm (10”) D:70 mm (2.8”) Weight: 1.5 kg (3.3 lbs)
  • Page 128 Chapter 10-14 GN33 Installation and service GPS antenna RS5640 DGPS antenna MGL-3 Type: Quadrifilar Helix Patch and H-field Dimensions: L:230 mm, D:38 mm H:75 mm, D:127 mm Weight: 150 g (0.33 lbs) 600 g (1.3 lbs) Environment: -35°C to +75°C, 95% rel.
  • Page 129 The almanac data is used by the GPS receiver to find and lock onto the satellite signal. GN33 has a built-in basic almanac. Auto trackpoint shift – will automatically shift to the next trackpoint in the track and provide new steering details (Track navigation).

  • Page 130: Appendix A Glossary Of Terms

    Appendix A-2 GN33 Glossary of terms LOG speed calibration – the unit is preset to receive 19000 pulses per nauti- cal mile from the log transducer (paddle wheel). However the figure might have to be changed to compensate for various transducers and actual water flow passing the transducer.
  • Page 131 GN33 Glossary of terms Appendix A-3 Position update - if, for some reason, there is no position update from GPS or external sensor, the displayed position will start to flash and an alarm will be activated to alert the operator. Reset the ‘Position missing’ alarm by [CLR].
  • Page 132 Appendix A-4 GN33 Glossary of terms...

  • Page 133: Appendix B List Of Datum

    GN33 List of datum Appendix B-1 Select the appropriate datum by 037 Guam 1963 inserting the number prefix: 038 GUX 1 Astro Press [MENU], [2], [1], [ENT], and 039 Hjorsey 1955 key in the desired number by means 040 Hong Kong 1963...
  • Page 134 Appendix B-2 GN33 List of datum 081 Southwest Base 082 Timbalai 1948 083 Tokyo 084 Tristan Astro 1968 085 Viti Levu 1916 086 Wake-Eniwetok 1960 087 Wake Island Astro 1952 088 Zanderij 089 Finnish Datum 090 Swedish Datum 091 World Geodetic System 1984...

  • Page 135: Appendix C C-Map Attributes

    GN33 C-MAP attributes Appendix C-1 The optional detailed C-MAP NT+ cards can provide numerous of functions which are accessible via symbols presented on the electronic chart. Place the cursor on a C-MAP object e.g. a buoy or light to call up a small data window with details on the object.
  • Page 136 Appendix C-2 GN33 C-MAP attributes Even though it says “No Attributes” for an object, you may try to press [ENT] to see if there is additional information available for the object. Use the cursor to move up/down in the list of objects in the left column - details on the object will appear in the right column.
  • Page 137 GN33 C-MAP attributes Appendix C-3 Use the same procedure to locate a Hospital, Coast Guard, Fuel Sta- tion, Public Telephone, Provisions, etc. The facility information will stay on the screen for about 10 seconds. Tide information Press the cursor key to activate the chart cursor...
  • Page 138 Appendix C-4 GN33 C-MAP attributes Use the +/- keys to select the location where you want to know the tide height Press [ENT] to go to the tide symbol on the location With the cursor placed on the tide symbol, press [ENT] to call up...
  • Page 139 GN33 C-MAP attributes Appendix C-5 The last two lines in the tide display will inform of Sunrise and Sunset for the present day. Caution - the tide information system is quite accurate. However, the predic- tions are subject to variables, which, like the weather, are beyond the control of man.
  • Page 140 Appendix C-6 GN33 C-MAP attributes MARINE SETTINGS Tides, currents: Underwater objects: Nature of seabed: Tide height (predictions) Rocks Seabed area, rocky area, Current Wreck area coral reef Water turbulence Obstruction Weed / kelp Submarine cable Sand waves Depths: Submarine pipeline...
  • Page 141 GN33 C-MAP attributes Appendix C-7 Caution areas: Tracks, routes: Buoys: Fishing facility Deep water route part Cardinal Marine farm/culture Deep water route centrel. Installation Cable, submarine Fairway Isolated danger Cable area Ferry route Lateral Offshore production area Navigation line Safe water...
  • Page 142 Appendix C-8 GN33 C-MAP attributes...
  • Page 143 - installation 10-5 - offset Data transfer, - via DataCard Bearing 4-3,A-1 - via PC interface 8-6,10-5 - between two GN33 units 8-6,10-9 Chart functions Datums 4-1,4-3 - built-in world chart - delta position - colors 9-11 - list of datums...
  • Page 144 Index GN33 GPS Navigator Electrical connections - continued, Interface setup, NMEA 9-4,A-2 - optional 10-8 - default sentences - power supply 10-7 - description of sentences ETA & AVN display 6-5,A-1 - return to NMEA presets 9-13 Interface software version...
  • Page 145 GN33 GPS Navigator Index Naming of routes, points, etc. Position Navigation, - display - advance to next point 3-14 - flashing in display 4-2,A-3 - Approx.Velocity Necessary - menu - auto waypoint shift - offset - chart / cursor navigation...
  • Page 146 Index GN33 GPS Navigator Status indicator and accuracy Wind display Symbols - setup - wind direction Targets, - wind relative to the vessel - delete all 9-13 - wind speed, relative or true - edit via chart 3-13 - plot new target...
  • Page 149 Warranty SIMRAD warrants that every product shall be free of defects in material and workman- ship as specified below: CATEGORY “A”: •Autopilots •Radars •Instruments •Navigators •Radiotelephones •Plotters •Gyro compasses incl. sensitive elements •Sonars •Echosounders •Trawl Instrumentation. These products are warranted for a period of 24 months on parts and 12 months on labor from date of purchase, except for category B items.

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