Navionics 5 GPS Receiver User Manual
Contents
1. OBSTRUCTIONS CABLES amp nue SPOT SOUNDINGS PIPELINE NAVIONICS Electronic Charts To increase the map detail press ZOOM To decrease the map detail press ZOOM Howto display bathymetric lines Enter the Navigation mode see next chapter then press ENT until the menu bar is displayed select SET then enable the options desired using the CURSOR key PORT NEAR 4 Chart Rotat ME 0FF Depth lt 5M ME OFF Depth gt 10M ON Track OFF Set Time LOC Dist Unit Depth Unit How to display navaids Positioning the manual cursor on the navaid symbol a window will display the relevant FL G 33 characteristic 18H ABBREVIATIONS FOR LIGHT ABBREVIATIONS FOR COLOUR AL alternating AM amber F fixed B black EEE fixed and flashing BL blue FL group flashing G green PIL single flashing OR orange IQ interrupted quick R red 0 Single occulting VL violet OC composite group occulting W white Q continuous group Y yellow ABBREVIATIONS FOR PERIOD ABBREVIATIONS FOR RANGE ES Xx seconds xx nautical miles How to display port services Position the manual cursor on the icon relevant to the selected marina when pressing ENT a window will list all the services available in that port Select the service desired from the list by pressing the CURSOR key HAVIONICS DEALER SAIL REPAIR ELECTRONIC ASSISTANCE ELECTRIC ASSISTANCE ENGINE ASSISTANCE2. erase the memory by turning the unit on while keeping the CLR key pressed This operation will delete all the data route and setting previously saved in memory Glossary GLOSSARY Azimuth The angle from the horizon to a satellite or other object Bearing BRG Compass direction 0 360 from the boat s position to destination COG Course Over Ground Direction of movement relative to the ground Coordinates Description of position in terms of latitude and longitude Fix Geographical position computed by the GPS GMT Greenwich Mean Time GMT Universal Time GPS Global Positioning System The constellation of navigation satellites that orbit the earth transmit precise time and position information A GPS receiver uses this information to triangulate a position fix Each GPS satellite transmits its precise location and the time when the transmission started A GPS receiver acquires the signal and measures the interval between transmission and reception to determine the distance between the receiver and the satellite Once the receiver has computed the range for at least 3 satellites the boat s position can be determined Heading The direction the boat is moving to Leg A segment of a route between waypoints SOG Speed Over Ground Boat s speed with respect to the earth Waypoint A significant position in the route often where a turn is made Table of Content
3. automatically to cartography visualization NAVIGATION WINDOW This window is activated automatically as soon as the GPS receiver has computed the boat s position Speed course and chart range are displayed at the bottom of the screen The screen scale indicates the rounded off distance between the instrument s center and top side By using the ZOOM key the chart detail level can be increased thus accessing the NAVIONICS cartography data To switch from Cursor mode to Navigation mode press the CLR key 8 00117 05 12 KNOTS HEADING RANGE 8 00 315 5 0 If a route is plotted on the screen the window will display the following information speed time to arrive to the target waypoint range to the target waypoint In this case the current route leg is displayed by a thicker line and the target waypoint highlighted by a dark circle MANUAL MODE By pressing the CURSOR key the GEONAV switches to Cursor mode where the user is allowed to move freely around the seamless world of NAVIONICS cartography 9 09 276 E 4 09 145 N RANGE In Cursor mode the screen will always be centered with respect to the manual cursor the window at the bottom of the screen displays the following data distance from boat s position to manual cursor bearing from boat s position to manual cursor chart range About 1 minute after the last key has been pressed the GEONAV goes back au
4. supplied with the GEONAV the cover should always be used when the unit is turned off in order to protect the unit from direct sunlight and water For best satellites reception mount your unit outside in an open area to allow the best sky visibility to the built in antenna located on the upper side of the instrument If the instrument is installed so as to permit full horizon visibility the best performance will be ensured Panel mounting A drilling template is supplied with the plotter to properly locate holes and areas that have to be cut out of the instrument panel A neoprene adhesive gasket is supplied with the unit and must be applied to the rear of the plotter to avoid moisture penetration and to reduce vibrations Mounting screws must be 4 mm in diameter and maximum 5 mm in length plus the thickness of the instrument panel We advise you against tightening the screws too much in order not to break the screw seats Fixed installation The plotter may be mounted on any surface using the mounting bracket provided with the unit see figure below Use the 4 flat head screws 5mm in diameter to fix the bracket on to the desired mounting surface The bracket does not allow any left or right rotation therefore make sure that the unit is properly installed for the best viewing angle If you wish to connect the power cable directly to the boat s battery cut the car lighter adapter off we recommend that you install a 1A fuse
5. GEONAV 5 WARNING THE CHART PLOTTER WHEN INSTALLED IN A VEHICLE MUST NOT OBSTRUCT THE DRIVER S VIEW AND THE UNIT MUST NOT BE USED BY THE DRIVER OR DISTRACT THE DRIVER S ATTENTION WHILE THE VEHICLE IS IN MOTION The use of the GEONAV 5 implies the knowledge and acceptance of this warning by the user Use with Land C artography is USE WITH LAND CARTOGRAPHY The GEONAV is now a valuable instrument also when used and installed in a car the GPS receiver and the new NAVIONICS land charts will allow displaying easily your position with respect to the most popular roads and city The installation of the GEONAV in your car will take you only a few seconds just position the plotter on the dashboard with the proper bracket and fix the suction cup to the front window then connect the power cable to the lighter Enjoy your trip When a land cartridge is inserted into the unit the GEONAV will automatically set in land mode all the major functions will not change with respect to the marine mode and you can still plot a route and activate all the functions as in marine mode ium 180 N 3 03 MES EN SETUP menu The SETUP menu will display some new options OTHER ROADS ON OFF Enables disables the display of secondary roads ROAD NAMES ON OFF Enables disables the display of road names CITY NAMES ON OFF Enables disables the display of city names DIST UNIT NM KM MI Allows selec
6. MECHANICAL ASSISTANCE SHIPYARD TRAVEL LIFT CRANE SLIPWAY Port services are identified by the following icons Health and first Ed A rd Customer services Fuel Tourist services Information and shops S waler and authorities Engine boat electronic and other repairs Funeral Characteristics FUNCTIONAL CHARACTERISTICS This chapter summarizes the most commonly used functions of the GEONAV and also gives a brief description of the terms that will appear in the following pages Additional terms and acronyms can be found in the Glossary section at the end of this manual Navigation mode Automatic AUTO The GEONAV goes to Navigation mode as soon as the internal GPS receiver sends a valid fix when in Navigation mode the manual cursor is not displayed This mode is also referenced to as automatic because the unit automatically updates the boat s position on the screen Cursor mode Manual MAN When in Cursor mode the manual cursor is displayed It is possible to edit a route display navaid information access the menu etc By pressing the CURSOR key the unit switches from Cursor mode to Navigation mode and the screen will be centered with respect to the manual cursor To return to Navigation mode press CLR Autozoom With the Autozoom function always enabled the GEONAV will always display automatically the boat s position and the target waypoint at the best avail
7. boat s current position as a starting point To insert the waypoint at any time press the CURSOR key and position the cursor at the desired coordinates or use the search options available from the menu see the following pages The route will be initially composed by a leg that connects the boat s position to the target waypoint selected If you wish to enter additional waypoints repeat the operation once the selection is made the new waypoint will be added to the existing route To insert move or delete waypoints e g to go round obstacles or change the route plan activate the route editing function see the following pages NOTE when turned off the GEONAV saves automatically the currentroute and retrieves itas itis turned on again Route to the manual cursor position Press the CURSOR key to switch to Manual mode position the cursor where a waypoint is to be inserted and then press the ENT key The GEONAV will insert a new waypoint in the cursor position and a new leg will be added to the existing route if no waypoint had been previously entered the leg will be connected to the boat s position The GEONAV will automatically activate the Autozoom function as soon as it switches to Navigation mode wii 09 995 E RANG Route to a port Enter the Navigation mode by pressing the CLR key if in Cursor mode then press the ENT key and select the PORT option with the CURSOR key The GEONAV will display the port ca
8. 3 Storage temperature 20 to 70 humidity 9396 High sensitivity GPS receiver Satellite acquisition time 2 minutes cold 15 minutes first fix GPS position accuracy 15 m with S A disabled CE standard compliant Quick locking bracket Accessories Mounting bracket for fixed installation on boat Rubber gasket and drilling template for panel mounting Removable bracket with high strength suction cup for installation on cars Power supply cable and car lighter plug User guide Carrying case Protective cover Memory route 5 waypoints INTRODUCTION The GEONAV 5 is a graphic GPS plotter that displays your boat s current position with respect to an electronic chart The GEONAV 5 can use up to 12 satellites simultaneously By using a GEONAV 5 and a NAVIONICS electronic chart you will never get lost even in bad weather conditions such as fog or rain because your plotter will always display where you are and where your are heading to The ROUTE function will allow you to plan a trip NAVIONICS chart cartridges are available for all busy boating areas around the world and can be used in addition to your official paper charts NAVIONICS chart cartridges are available from NAVIONICS authorized dealers and outlets around the world See your local marine electronics dealer for more information The GEONAV 5 unit is equipped with accessories for installation in your boat and car The GEONAV 5 can be u
9. GEONAV 5 READ THIS WARNING BEFORE USING THE GEONAV 5 WARNING THE ELECTRONIC CHART IS AN AID TO NAVIGATION DESIGNED TO FACILITATE THE USE OF AUTHORIZED GOVERNMENT CHARTS NOT TO REPLACE THEM ONLY OFFICIAL GOVERNMENT CHARTS AND NOTICES TO MARINERS CONTAIN ALL INFORMATION NEEDED FOR THE SAFETY OF NAVIGATION AND AS ALWAYS THE CAPTAIN IS RESPONSIBLE FOR THEIR PROPER USE The use of the GEONAV 5 implies knowledge and acceptance of this warning by the user CHARACTERISTICS New compact design Self contained GPS Plotter system Plotter GPS receiver Antenna Built in world map 32 bit RISC processor Upgradable software Monochrome transflective Liquid Crystal Display LCD 5 with high visibility under sunlight Compatible with NAVIONICS Nav Chart cartridges Input voltage from 9 8 to 18 VDC with reverse polarity and overvoltage protection Splash proof specifically designed for open boats Low power consumption 2 5 W Weight approx 0 7 kg e Size 141 x 157 x 42 5 mm na La s 45 i 1 FL te yor Tl i l E Men D id b a reas i aas La iod _ Operating temperature to 60 humidity 9
10. able chart range Therefore this function is enabled only if at least one waypoint is present Screen amplifier This function always enabled redraws the chart if the boat s speed is greater than 3 knots so as to maintain 2 3rds of the screen ahead of the boat This function is enabled only if no waypoint is present without screen amplifier with screen amplifier Chart rotation Charts are traditionally displayed in north up mode This however does not correspond to reality For example when traveling southwards the chart shows on the right side of the boat what is on the left side in reality and vice versa The Chart Rotation function allows rotating the electronic chart displayed according to the plotted route COG Course Over Ground as detected by the GPS receiver Since the COG value varies continuously a filter has been inserted to prevent the chart from bouncing not rotated rotated Functional Characteristics To activate the Chart Rotation function enter the Navigation mode press ENT to display the menu select SET then CHART ROTATION and ON A message will prompt the user to select the requested maximum range before activating the chart rotation Local time By this function the user can enter local time instead of Greenwich time GMT supplied by the GPS receiver To enter local time enter the Navigation mode then press ENT till the main men
11. between the power source and the plotter to protect the instruments against overvoltage and or overcurrent Since the unit has no start pushbutton make sure that the unit is supplied by a line controlled from the switchboard or separate switch If you make use of the car lighter plug remember to unplug the adapter after use so as to switch the unit off Installation and Precautions Car installation To allow an easy installation on your ch car the GEONAV is supplied with an 3e additional bracket that ends with a suction cup When the unit is installed make sure that your car front window has enough space to allow proper road j visibility j iddi UTI Installation procedure is the following 1 Locate a flat surface on the window that allows you to position the bracket base on the dashboard as well as allows the internal GPS to have the best sky visibility GPS needs to track satellites hence needs to be able to see the sky 2 Clean the entire front window area you wish to use for unit installation Use a good window cleaner and paper towels and dry the area completely 3 Verify that the GEONAV does not interfere with levers airbags and other car facilities 4 Push the lever back on the suction cup 5 Place the suction cup firmly on the clean flat glass surface and push the lever forward to adhere to the glass 6 Make sure that the unit is firmly secured and correctly positioned and that i
12. cartridge into the slot Install the cartridge into the plotter Replace the rubber cover with a light pressure and check that it is inserted correctly to avoid any water infiltration Keyboard TT EAA KEYBOARD ZOOM ZOOM ncreases decreases the chart range Moves the manual cursor across the screen Switches from Navigation mode to Manual mode Selects the options from menus and submenus At start up adjusts the screen contrast When a setup edit window is shown confirms the operation e Navigation mode accesses the menu e Cursor mode inserts a waypoint Navigation mode deletes the whole route Cursor mode deletes the waypoint pointed by the cursor or enters the Navigation mode if no waypoint is pointed by the cursor DIAGNOSTIC The GEONAV has a diagnostic program to verify its correct performance once the installation has been made and detect problems that may occur during the use of the unit To access this program turn the unit on by keeping any key pressed excepting CLR The GEONAV will perform automatically a test of the entire system as soon as the memory test has been performed the program allows verifying whether each key works properly Keep the CLR key pressed for 3 seconds to exit otherwise go on with testing keys The diagnostic program allows verifying the correct connection between the GPS receiver and the un
13. e represents the horizon the inner one identifies a 45 elevation in relation to the horizon and the central circle points to the zenith The numbers within small squares indicate the satellite As soon as a satellite is tracked by the GPS receiver the number within the square is displayed in reverse The bar indicators on the left identify the signal quality the longer the bar the higher the signal quality 43 42 463 Lon 10 24 978 E TOT 1215 Additional information Day month year and local time at first start up the GEONAV is initialized to the Greenwich Time Boat s position or latest valid fix if the GPS is still searching for satellites Data on current satellite situation number and fix Odometer and altitude Latitude and longitude relevant to the boat s position are displayed as soon as three satellites are tracked and a 2D fix is available The altitude value is available only if four satellites are tracked and a 3D fix is performed As soon as a valid fix is available the GEONAV will automatically switch to Navigation mode and display the boat s position at the best chart range available the window at the bottom ofthe screen will indicate the boat s course and speed as well as the chart range Since the GPS receiver is initialized in Italy the time to get the first fix will depend on the areas you want to navigate within the Mediterranean Sea the GEONAV is supposed to get t
14. he first fix in less than 12 minutes in other areas of the world it can take up to 30 minutes Once the unit gets the first fix the time for the following fixes is a few minutes Route ssscccsssssccsees E ROUTE The GEONAV can manage navigation along a planned route The figure shows a route displayed by the GEONAV l PA 3 Boat s position The boat s position is displayed according to the data received from the GPS receiver Leg Route segment between 2 waypoints Waypoint The waypoint is identified by a circle and a number The GEONAV will display the Proximity to Waypoint message to warn the user that in about 25 seconds he is about to approach the next target waypoint The message End of Trip is displayed when the user is about to reach the last waypoint of the route The first waypoint is identified by the symbol X The target waypoint the next point the boat is navigating to is identified by a black circle with the relevant number shown in reverse R 4 Heading Vector This vector displays the boat s current route 5 Cursor It allows moving the manual cursor across the screen the relevant geographical coordinates latitude and longitude are displayed in two small windows When the GEONAV switches to Navigation mode the manual cursor disappears How to create a route To create a route insert at least one waypoint taking the
15. it The position sensor should be operating and should transmit NMEA 0183 messages If the receiver is working a string of NMEA messages will be dispayed this indicates that the entire system is working correctly Press ENT to freeze the messages on the screen Press CLR to exit the diagnostic program ATTENTION to perform a memory reset switch the uniton holding the CLR key pressed This operation allows deleting all the data saved by the GEONAV so far and resetting it NAVIONICS ELECTRONIC CHARTS The GEONAV includes a built in world map that allows zooming from 4 096 down to 512 NM Additional cartographic details relevant to the specific area of navigation are available by NAVIONICS Seamless Nav Chart cartridges When a cartridge is present a small square will show the area covered by the chart Positioning the cursor inside the square and then decreasing the range with the ZOOM key the details of the area covered by the chart will be displayed Generally the maximum detail level is obtained in the port plans and can reach 1 8 nautical mile the smallest point on screen is equivalent to 1 m approx depending on cartridge type and coverage NAVIONICS charts contain the following main symbols DEPTH CONTOURS NATURE OF SEABED J NAVIGATIONAL AID PORT x T ET SERVICES HINTS m SHIPWRECKS amp LIMITS amp INFORMATION RESTRICTED NE runi PR HIBITED 50 Bra 1 0
16. n mode it is possible to delete the whole route by pressing the CLR key Press ENT to confirm or CLR to abort the operation In Cursor mode it is necessary to keep the CLR key pressed for more than 3 seconds if the key is kept pressed for a shorter time the GEONAV will go back to Navigation mode Howto edita route in Cursor mode It is often necessary to delete a single waypoint or modify its position the GEONAV allows performing these operations in a very simple way and by way of few keys Deleting a route segment Position the cursor exactly on the segment to delete with the CURSOR key then press CLR to confirm Deleting a waypoint in a plotted route Position the cursor exactly on the waypoint to delete with the CURSOR key then press CLR to confirm Route RT M 3 Moving a waypoint in the plotted route Position the cursor on the waypoint to move with the CURSOR key press ENT to pick the waypoint up drag the cursor to the new position and press ENT to drop the waypoint EN ENT CLR MOVE WP DELETE 5 0 Inserting a new waypoint in the plotted route Position the cursor exactly on the route segment to edit then press ENT to insert the waypoint Now drag the new waypoint exactly where desired with the CURSOR key then press ENT to confirm 9 36 105 E r Use with Land Cartography READ THIS WARNING BEFORE USING THE
17. s TABLE OF CONTENTS CHARACTERISTICS iere reve ee ee eee aere Pe e agn 4 INTRODUCTION 6 INSTALLATION AND PRECAUTIONS 8 CONNECTIONS o irren EET EIER ies bee EAVES 11 CARTRIDGE INSTALLATION eee 12 KEYBOARD 5 eia PE PENES HIFI INE PEIPER 13 DAGNO STIGS ar T A 14 NAVIONICS ELECTRONIC CHARTS eee 15 FUNCTIONAL CHARACTERISTICS esee 18 OPERATION 21 NAVIGATION WINDOW 1 0 cee ceec eee Henne 22 MANUAL MODE 6 sek vay A mr Re e eI eR e e RR Red 23 MENU uds se 24 SATELLITE WINDOW Hmmm 25 ROUTE aa ara a One Oni 27 USE WITH LAND CARTOGRAPHY eee 34 TROUBLESHOOTING 24 utet E ERE EIE 37 GLOSSARY 2 5 roo vede ese deve deese det de deret 38
18. sed also for land applications the GPS receiver and the new NAVIONICS land charts will allow displaying easily your position with respect to the most popular roads and city names The installation of the GEONAV 5 in your car takes only a few seconds just position the plotter on the dashboard with the proper bracket and fix the suction cup to the front window then connect the power cable to the lighter Enjoy your trip 0 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 i i T y 4 it 1 i t Y C Should any new function be available in the future the software of your GEONAV 5 can be updated in a very short time See your local marine electronics dealer for more information Installation and Precautions INSTALLATION AND PRECAUTIONS When installed on a boat in order to avoid electromagnetic interference the GEONAV unit must be positioned at least 0 35 m away from a magnetic compass or a flux gate sensor such as those used on autopilots and remote electronic compasses The GEONAV is water resistant but not waterproof It is essential that the rubber cover on the lower side of the unit is firmly inserted in the cartridge slot the rubber cover should be removed only when the Nav Chart has to be inserted or replaced and in this case the unit must be perfectly dry To avoid continuous exposure to water a protective cover is
19. t will not fall off the window This step is very important to ensure safe operation while driving Test the connection between the unit and the window several times after installation and during use 7 Place the mounting bracket on top of the dashboard and orientate the plotter to the best position for the internal GPS antenna 8 Plug the power cord into the lighter adapter CONNECTIONS The figure shows colors and polarity of the car lighter adapter The adapter has a little lamp LED that turns on if the car is correctly providing the bracket with power If the lamp is off verify that 12V voltage is available from the lighter plug verify that the adapter internal fuse works open the adapter and check the fuse If the fuse is broken replace it with a fuse with the same electrical features DO NOT USE ANY BY PASS CIRCUIT The fuse guarantees that the special protection circuit inside the plotter works properly under accidental short circuits polarity inversion and overvoltage If you have to remove the lighter adapter the internal connections are the following red or white 12V black ground Fuse LED 0 rtridge installation rere CARTRIDGE INSTALLATION Remove the rubber cover located in the unit s lower side and slide the Nav Chart
20. talog the latest 6 ports used will be highlighted at the top of the screen and allow selecting the port Select a port by the CURSOR key and confirm by ENT The GEONAV will insert a waypoint in the port position append the new leg to the existing route if no route is present the leg will connect the waypoint to the boat s position and move to Navigation mode automatically activating the Autozoom function AJACCIO AJACCIO PORT AMIRAUT AJACCIO PORT TINO RO Z00M ENT CLR CHANGE PAGE CONFIRM EXIT Route to the nearest service NOTE this option is available only with NAVIONICS cartridges that include the Port Service feature Enter the Navigation mode by pressing the CLR key if in Cursor mode press the ENT key and select NEAR by the CURSOR key the GEONAV will display the port service catalog and allow selecting the service Select the desired service then press ENT to confirm or CLR to exit The GEONAV will display the 3 ports with the selected service nearest to the boat s position by using the CURSOR key highlight one port at a time and check the relevant distance and time to arrive estimated on the current boat s speed Press ENT to confirm the selection The GEONAV will insert waypoint in the port position delete automatically the existing route then go back to Navigation mode activating automatically the Autozoom function How to delete the whole route In Navigatio
21. ting the distance unit the unit selected in land mode is independent of the one selected in marine mode PORT NEAR Ba Chart Rotat Other Roads OFF Road Names DB OFF OFF ME OFF LOC Language BlrREspE IT Dk TL e EHT CLR SELECT CHANGE EXIT Use with Land C artography How to display road names This function is equivalent to the display of navaid characteristics when the GEONAV is used with nautical charts To display a road name position the manual cursor on the road symbol a small diamond a window will display the relevant name SP523 How to search for a city This function equivalent to the port search is enabled by the CITY option in the main menu It allows finding the geographical position of any city town or village belonging to the area covered by the land chart TROUBLESHOOTING The GEONAV does not turn on Make sure that the unit is powered with voltage between 10 and 18 VDC Check the polarity of power supply The GEONAV does not get any valid satellite fix Make sure that no metal obstacle is positioned around the unit acting as a shield for the GEONAV antenna If after 40 minutes the GEONAV does not get a valid fix then turn the unit off and on again The GEONAV screen gets dark after a long exposure to direct sunlight Adjust the contrast The GEONAV does not respond to any key Turn the unit off then on again if the problem continues
22. tomatically to Navigation mode MENU To access the menu bar enter the Navigation mode and press ENT The bar allows selecting from the following functions PORT NEAR SET PORT to select a port where to insert a waypoint NEAR to select a class of port services to search for the nearest services at a given moment CONTRAST to adjust the screen contrast SET to activate deactivate modify the plotter s setup CHART ROTAT ON OFF Enables disables the chart rotation function DEPTH 5m ON OFF Enables disables the display of depth contours below or equal to 5 meters DEPTH gt 10m ON OFF Enables disables the display of depth contours above or equal to 10 meters TRACK ON OFF Enables disables the Track function SET TIME LOC GMT Allows setting local time DIST UNIT NM KM MI Allows selecting distance units nautical miles kilometers or statutory miles DEPTH UNIT M FT FA Allows selecting depth units meters feet or fathoms LANGUAGE EN FR ES DE IT DK SV NL SU NO Allows selecting the language English French Spanish German Italian Danish Swedish Dutch Finnish or Norwegian Satellite Window ee M SATELLITE WINDOW This window is displayed at start up and can be recalled by pressing repeatedly the ENT key the satellite window displays how many and which satellites are being tracked by the GEONAV built in GPS receiver The outer circl
23. u bar is displayed by using the CURSOR key select SET TIME and then LOC A window will allow entering local time by the CURSOR key Press ENT to confirm the operation To cancel the visualization of local time enter the Navigation mode then press ENT till the main menu bar is displayed select SET TIME and then GMT Contrast Enter the Navigation mode and press ENT till the menu bar is displayed then select CONTRAST and adjust the contrast with the CURSOR key The contrast can be adjusted at start up when the initial WARNING message is shown or when the satellite window is displayed press the CURSOR key and adjust the contrast by the arrows Track The Track function allows displaying the route actually followed by the boat during the latest hour approximately the route is represented by a dashed line To enable or disable the Track press ENT repeatedly until the menu bar is shown Press CURSOR to select the SET option and the TRACK item then to enable or disable the function Press ENT or CLR to confirm the operation and exit OPERATION At start up the GEONAV will display one page containing a message warning the user that the electronic chart is an aid to navigation designed to facilitate the use of authorized government charts not to replace them Adjust the contrast by pressing the CURSOR key Press ENT to continue the GEONAV will display the GPS information window until a valid fix is received then switch
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