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APPENDIX 3

GEOMETRIC QUALITY

Geometric quality (GO) is a measure of position accuracy. lt is dis-

played on the third screen of any position fix and any fix saved as a

waypoint.

Geometric quality (GO) is based on a measurement of the geometry of

the satellites used for triangulating a position. In general, the farther

apart the satellites are, the more accurate the fix is. The position fix

may not be as accurate when the satellites are close together.

When geometric quality is between 4 and 9 the position fix is reliable
and can safely be used to navigate. When geometric quality is from 0

to 3 the fix is unreliable, and should not be used to navigate with.

Position fixes with a GO of 0 to 3 are displayed with a warning symbol

in the lower right corner of the display.

A-13

Содержание NAV 5000

Страница 1: ......

Страница 2: ...Magellan Systems Corporation 960 Overland Court San Dimas California 91773 714 394 5000 FAX 714 394 7050 MAGELLAN GPS NAV 5000TM USER GUIDE...

Страница 3: ...photocopy ing and recording for any purpose other than the purchaser s personal use without the written permission of Magellan Systems Corporation Copyright Magellan Systems Corporation 1991 All right...

Страница 4: ...ly responsible for the accuracy and the mainte nance of GPS Certain conditions can make the system less accurate such as changes in the orbit or health of a satellite Accuracy can also be affected by...

Страница 5: ...p ment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is n...

Страница 6: ...ries 1 7 Carrying Case 1 8 Quick Release Bracket Mounting Kit 1 8 CHAPTER 2 GETTING READY TO USE YOUR NAV 5000 Batteries 2 1 Loading Alkaline Batteries 2 1 Battery Operation 2 3 Battery Warning 2 3 Ex...

Страница 7: ...n Fix 3 1 Entering a Waypoint 3 3 Saving a Position 3 3 Entering a Position Manually 3 4 Setting a Route 3 5 Getting Velocity 3 7 Getting Navigation Data 3 7 Determining the Quality of a Fix 3 9 Signa...

Страница 8: ...Route 4 18 Multi Leg Routes and NMEA 4 19 Creating a Route 4 20 Viewing an Existing Route 4 22 Resetting a Route 4 22 Route Modes 4 22 Automatic Mode 4 24 Manual Mode 4 25 SETUP 4 26 Entering an Init...

Страница 9: ...11 AUX 9 Battery Saver 5 12 AUX 10 Erase Waypoints 5 13 AUX 13 Clear Memory 5 14 Table of Auxiliary Functions in Alphabetical Order 5 16 CHAPTER 6 TROUBLESHOOTING AND OPERATING TIPS Error and Warning...

Страница 10: ...or More Than 3 Months 6 12 For Less Than 3 Months 6 13 When Nothing Else Works 6 13 Magellan Customer Support 6 13 APPENDICES Appendix 1 Waypoint Log A 1 Appendix 2 Table of Constants A 3 Appendix 3 G...

Страница 11: ...e latitude and longitude altitude is a user entered variable In 3D the unit uses 4 satellites to calculate latitude longitude and altitude In the Automatic Mode the unit uses 3D whenever 4 satellites...

Страница 12: ...orbital parameters of each satellite A GPS receiver gathers Almanac data from any available satellite using information from the Almanac the receiver then determines which set of satellites will give...

Страница 13: ...high frequency radio signal 1575 42 MHz that operates in a wave environment where there is little interfering radiation Also GPS uses spread spectrum technology to protect its navigation sig nals The...

Страница 14: ...ere the satellite thinks it is and where the monitor station knows it is can also be adjusted lf any satellite emits erroneous data or is otherwise not operating properly a ground station marks it unh...

Страница 15: ...cy Velocity 0 1 Knots HDOP 2 C No 47 dB Hz 2D 1 5 SPECIFICATIONS Physical Characteristics Unit Size 3 5 x 8 75 x 2 13 excluding antenna 13 8 cm x 34 5 cm x 8 4 cm 5 0 x 9 0 x 2 5 bracket mounted 19 7...

Страница 16: ...ation 2D solves for LAT LON and time with a user entered altitude using best 3 satellites OR 3D solves for LAT LON Attitude and time using best 4 satellites OR Automatic uses 2D or 3D depending on num...

Страница 17: ...are o Batteries 6 in unit o Lanyard 1 o Field Card 1 o User Guide 1 o Warranty Registration Card 1 o Faststart lf any of these items is missing contact your dealer ACCESSORIES The NAV 5000 has several...

Страница 18: ...it is not in use Quick Release Bracket Mounting Kit The Quick Release Bracket Mounting Kit allows you to operate the NAV 5000 inside a wheelhouse or cabin by attaching the NAV 5000 to an external ante...

Страница 19: ...poration recommends Eveready EnergizerTM batteries We do not recommend that you operate the NAV 5000 with nickel cadmium NiCad batteries NiCads have a much shorter life than alkaline batteries in the...

Страница 20: ...sure the door is secure 2 2 4 Holding the unit as shown in the illustration below pull the battery cover firmly towards the bottom of the unit until it stops then lift the door off To create a seal ag...

Страница 21: ...Refer to page 5 12 to turn the Battery Saver on Battery Warning There are two battery warnings The first is a symbol that appears when the batteries are low This symbol remains on all displays until...

Страница 22: ...ply the unit with the correct level of DC voltage the use of any other equipment may harm the unit and void the warranty Power Adapters The unit is connected to an external power source with one of se...

Страница 23: ...do not know your position call your local marine electronics dealer or consult an atlas or chart Although you can obtain a position fix without entering an initial posi tion the unit obtains the firs...

Страница 24: ...more quickly when an initial position is entered manually See page 5 8 Press the SETUP key If a position is already entered press the CLEAR key to erase it Enter your approximate position within 300 m...

Страница 25: ...the unit is able to calculate more accurate position fixes when an altitude is entered at the mode altitude display than is possible without a user entered altitude Op eration in the 2D Mode is recomm...

Страница 26: ...itude Press any function key to exit SETUP lf you will be using the unit in 3D press the RIGHT ARROW to change to 3D Note that an altitude is also displayed here If you want to you can change it as de...

Страница 27: ...t view of the satellites overhead Hold the unit upright or rotate the antenna up as shown in the figure below GIVE THE ANTENNA A DIRECT VIEW OF SATELLITES The unit will not receive signals if its view...

Страница 28: ...view given your last position or initialized position and where in the sky to look for them Almanac information is maintained by all satellites and is updated as required by GPS system operators to re...

Страница 29: ...this can be a heavy drain on your batteries You might want to connect the unit to extemal power to collect an Almanac lf the unit has lost its memory it must be reinitialized and a new Almanac collec...

Страница 30: ...d maintain a clear view of the sky until this message disappears Since all non default SETUP parameters were lost when memory was lost you must reenter them Be sure to reenter your altitude or antenna...

Страница 31: ...terface with various autopilots plotters sounders and radars through its National Marine Electronics Association NMEA interface The NAV 5000 supports NMEA standards 0180 and 0183 The jack on the side...

Страница 32: ...he external device on until you are sure the unit is emitting data Data is emitted only after the unit has obtained its first fix usually within 1 minute and is then updated every 2 seconds Successful...

Страница 33: ...ress CLEAR and choose another Key in the coordinate using the RIGHT ARROW to toggle between hemi spheres Press ENTER Trailing zeroes are added by the unit automatically Waypoint names are entered by p...

Страница 34: ...not intended to describe any feature fully or to describe all of the unit s features or options To fully understand the NAV 5000 and what it can do you must read Chapters 4 and 5 This chapter briefly...

Страница 35: ...ive the best geometry for a fix When enough satellites to take a position fix have been found and acquired the unit computes a position fix When the unit has been set to 2D operation this occurs when...

Страница 36: ...s stored in the unit s memory Once stored the position can then be used for navigation The NAV 5000 can store up to 100 waypoints Waypoints can be entered by storing a position fix as a waypoint or by...

Страница 37: ...int and press ENTER or press ENTER twice to name the Waypoint automatically Key in a one to six character waypoint name using the alphanumeric keys as described on page 2 14 then press ENTER Press ENT...

Страница 38: ...altitude or key in a new altitude Use the RIGHT ARROW to toggle to a negative altitude below sea level Press ENTER Refer to page 4 42 for more information an waypoints SETTING A ROUTE To navigate betw...

Страница 39: ...begin scrolling from there Press ENTER to accept the displayed waypoint as the starting point The cursor immediately goes to the destination field If POS was selected it is renamed start Choose a way...

Страница 40: ...lable only in continuous operation and only when your speed exceeds 0 2 knots For more detail refer to page 4 41 GETTING NAVIGATION DATA The unit can obtain navigation data only when a route has been...

Страница 41: ...ROW to see Steering Press the DOWN ARROW again to see Estimated Time of Arrival ETA and Velocity Made Good VMG Press the DOWN ARROW to see Time To Go TTG and Speed Of Advance SOA Refer to page 4 4 for...

Страница 42: ...few inches can improve SQ greatly The signal quality has almost no bearing on accuracy lt is provided to alert you to a condition that may affect the unit s ability to maintain a lock on the satellite...

Страница 43: ...the light is not already on also press LIGHT Press the RIGHT ARROW to adjust the brightness Adjustment levels range from 1 to 15 Dated Information If the unit loses a satellite signal and no other sa...

Страница 44: ...current status and displays the elevation and azimuth of satellites that are above the horizon Press AUX 3 and ENTER Press the RIGHT ARROW to select any saved position Press ENTER The current date an...

Страница 45: ...ule computes the windows in which enough satellites will be available to take a position fix given the location and date you enter and the current mode 2D or 3D Press AUX 4 and ENTER Press the RIGHT A...

Страница 46: ...le to get a position fix If there is more than one window the DOWN ARROW appears on the display 3 13 See page 5 6 for more information SUPPORTING NMEA DEVICES The unit can support NMEA devices when th...

Страница 47: ...Press the RIGHT ARROW to select the outgoing message format Choose between 0183A 0183B 0183C 0180 or OFF 3 14 Refer to page 5 9 for more information an NMEA support...

Страница 48: ...sition fix that was saved as FIX 05 is discarded All position fix updates are not retained When the Battery Saver is on unit operates for 2 minutes the last position fix taken is stored as LASTFX When...

Страница 49: ...ly selected datum Press the DOWN ARROW again to display satellite signal information Last Fix Backups The unit also retains four previous position fixes They are stored as FIX 02 FIX 03 FIX 04 and FIX...

Страница 50: ...to see the second position display date and time of fix and current datum Press the RIGHT ARROW to move to the third position screen of FIX 04 Press the DOWN ARROW again to see which satel lites were...

Страница 51: ...e 5 3 NAVIGATION The NAVIGATION NAV key provides Distance Cross Track Error and Bearing and Steering related data Calculations are based on the most recent fix in relation to your destination waypoint...

Страница 52: ...on and the courseline lt is described as being to the right or left of the courseline facing the destination lf you are 9 99 nautical miles or more from the selected route leg the NAV 5000 will not co...

Страница 53: ...d measured at a given instant VELOCITY MADE GOOD Press the DOWN ARROW to see Time To Go TTG and Speed Of Advance SOA Time To Go TTG on the second line of the screen above is the length of time require...

Страница 54: ...ake fixes for two minutes after POS NAV or VEL is pressed and then shuts off if no other function keys are pressed When the Battery Saver is off the unit operates continuously until the second battery...

Страница 55: ...or an external power source The unit then performs a brief self test of its memory Almanac and power The READY display appears when the self test is complete To continue press POS to find a position...

Страница 56: ...rma tion may be lost The unit shuts itself off two minutes after this warning appears You may continue to operate only from external power This message appears when the level of external power being s...

Страница 57: ...n view the receiver turns on and the display goes to the receiver screen Taking a Position Fix Press POS The unit checks its Almanac to determine which satellites are available based on your last posi...

Страница 58: ...M satellite search algorithm devotes all five channels to the search for the satellite the Almanac indicates is directly overhead given your last fix or initial position This greatly shortens the leng...

Страница 59: ...conds if the previous fix was made in the last hour and you are using the same set of satellites 4 12 READING THE RECEIVER STATUS SCREEN Position Display The position is automatically displayed on thr...

Страница 60: ...plete and error free ALM VERIFY appears on the screen when the unit is checking its Almanac Do not turn the unit off while this message is on the screen 4 13 Press the DOWN ARROW again to see which sa...

Страница 61: ...dentifying the missing data and collecting it Do not turn the unit off NOW IN 2D Appears briefly the first time POS is pressed after the unit is turned on and when the unit switches from 3D to 2D NOW...

Страница 62: ...it searches continually until a satellite is found Search and Acquisition Errors Under the following conditions the unit may be unable to obtain a position fix o Initialization was not done correctly...

Страница 63: ...er condition can cause the unit to be unable to find the satellites it looks for Since the unit searches for satellites based on where it thinks it is an incorrect initial position or a LASTFX that is...

Страница 64: ...ng Symbol The accuracy of a position fix is determined by the position of the satellites used relative to each other The closer the satellites are to each other the less accurate the fix is This is re...

Страница 65: ...appears on the position display when the unit is displaying a position fix that is at least 10 seconds old The position displayed is not current and should not be used for navigating ROUTE The ROUTE...

Страница 66: ...changes to the next leg of your route see diagram below In the manual mode when you cross the imaginary perpendicular line you must change to the next leg manually Press ROUTE and the RIGHT ARROW to...

Страница 67: ...an also enter the first letter of the desired waypoint and ENTER then use the RIGHT ARROW to scroll through the rest of the waypoints 4 20 when the dataport is turned an AUX 6 a route is entered a leg...

Страница 68: ...when defining a route leg you may however use start Select the leg s destination the same way When the desired position is dis played press ENTER The unit automatically moves to the next leg This scre...

Страница 69: ...through the legs Press NAV POS or VEL to display navigation data relative to the route leg and destination 4 22 Viewing an Existing Route Resetting a Route Routes can be reset by pressing the ROUTE ke...

Страница 70: ...Press the SETUP key to view this message Press the DOWN ARROW until you reach the Route Mode screen Press the RIGHT ARROW to toggle between Automatic and Manual modes 4 23...

Страница 71: ...d in the automatic mode press the NAV key after selecting the current leg This displays naviga tion data for the current leg See NAV page 4 4 lf you are 9 99 nautical miles or more from your courselin...

Страница 72: ...ey after selecting the route leg When you are within 500 feet 152 4 meters of your destination the display shows the CLOSE message 4 25 Imagine that a line inter sects the destination waypoint and is...

Страница 73: ...E message SETUP SETUP is used to initialize the unit before it is used for the first time or when it has been moved more than 300 miles 487 2 km from where the last fix was taken Although it is possib...

Страница 74: ...rksheet on page 4 28 Keep the worksheet as a reference so you can refer to it if the unit loses its memory and must be recustomized Press SETUP and then the DOWN ARROW to display the SETUP features in...

Страница 75: ...s are shown in bold MODE 2D 3D Automatic TIME DISPLAY UT UNIVERSAL COORDINATE TIME LOCAL AM PM ROUTE MODE Automatic Manual LAT LON DISPLAY DEGREES MINUTES DEGREES MINUTES SECONDS WGS84 USER AUSTR EURO...

Страница 76: ...ont d DISTANCE SPEED UNITS ALTITUDE UNITS NM nautical miles and KNOTS knots Km kilometers and Km HR kilometers per hour MI statute miles and MPH miles per hour feet meters DATE ORDER MONTH DAY YEAR DA...

Страница 77: ...r latitude ends with zeroes they do not have to be entered the unit will add them Press ENTER Enter the longitude using the RIGHT ARROW to toggle between E and W Press ENTER Selecting Mode and Altitud...

Страница 78: ...tended for maritime use we recommend using the 2D mode for greater accuracy From the first SETUP display initial position press the DOWN ARROW If you prefer to use meters instead of feet the unit of m...

Страница 79: ...y press the DOWN ARROW The screen displays the current date and time on the UT clock Setting the Time The unit can be operated on Universal Time UT formerly Greenwich Mean Time or local time The GPS s...

Страница 80: ...eters of the destination of a navigation leg the screen displays a CLOSE mes sage When you cross an imaginary line that runs through your desti nation waypoint and is perpendicular to your courseline...

Страница 81: ...ROW Press the RIGHT ARROW to toggle between automatic and manual modes Use the RIGHT ARROW to toggle between Deg Min and Deg Min Sec Choosing Lat Lon Display The latitude and longitude can be displaye...

Страница 82: ...the earth The latitude and longitude of a position differs from one model datum to another lt is therefore important to know which map datum you will be using if you want to relate your position info...

Страница 83: ...ntered Datum If your Chart uses a datum that is not included in the choices listed on the SETUP worksheet you can use a user entered datum Refer to Appendix 2 for the constants to convert the most com...

Страница 84: ...4 37...

Страница 85: ...to store the values entered Magnetic Variation Display Select one of the three available heading and bearing types for all displays and entries Auto Mag M lncludes an automatic adjustment for variatio...

Страница 86: ...nter the constant compass error in degrees and minutes Use the RIGHT ARROW to toggle between East and West Press ENTER and the display returns to the magnetic variation display From the magnetic varia...

Страница 87: ...From the distance speed display press the DOWN ARROW to view altitude units The default unit of measurement is feet Use the RIGHT ARROW to toggle between feet and meters Changing altitude units affec...

Страница 88: ...display Press any function key other than SETUP DOWN ARROW or RIGHT ARROW to exit SETUP VELOCITY The VELOCITY key displays information about your rate and direction of travel Speed Over Ground and gr...

Страница 89: ...y manually entering a position Waypoints can also be viewed deleted and renamed Waypoints are stored in alphanumeric order Saving Positions as Waypoints Use the following key sequence to save a positi...

Страница 90: ...er one to six characters as described in Entering Data on page 2 14 Press ENTER OR Press ENTER to name the waypoint automatically If you do not choose a name for the waypoint the NAV 5000 generates on...

Страница 91: ...pressing the DOWN ARROW Use the RIGHT ARROW to display waypoints in alphabetical order Entering Waypoints Manually Use the following key sequence to enter a waypoint manually Press the WPT key Press t...

Страница 92: ...the RIGHT ARROW to toggle between N north and S south Key in the longitude Use the RIGHT ARROW to toggle between W west and E east Press ENTER 4 45 This message appears if the name you chose is alread...

Страница 93: ...to store this information When ENTER has been pressed the DOWN ARROW appears on the display lf this message appears there is no room to store another waypoint You must delete a waypoint before another...

Страница 94: ...OW again to see the satellite signal quality and geometric quality of the fix 4 47 lf a waypoint was entered manually no values will be displayed for satellite signal quality and geometric quality Ren...

Страница 95: ...rieve the waypoint and rename it as described above The unit copies the position data from start to the new waypoint name Start is untouched until a new route is entered Clearing a Waypoint Use the fo...

Страница 96: ...iliary Functions give you additional information and control over how the unit displays information The Auxiliary Functions can be accessed two ways OR Press AUX and use the RIGHT ARROW to scroll thro...

Страница 97: ...signal quality from each satellite This can be helpful if you are having difficulty getting a position fix espe cially if you think the signals may be blocked READING THE RECEIVER STATUS SCREEN 5 2 E...

Страница 98: ...satellites used by GPS Sat Status can give you the following information o which satellites are listed as being healthy by the GPS system operators o the elevation and azimuth of the satellites that a...

Страница 99: ...emporarily off until the unit is turned off and back on or until the satellite is located by the fifth channel OFF the unit has been instructed to ignore this satellite by the user perhaps because its...

Страница 100: ...en the satellite displayed was used to recently obtain a position fix Press the DOWN ARROW to display the status of the next satellite Press the RIGHT ARROW to toggle between ON and OFF for this satel...

Страница 101: ...al becomes blocked by an obstacle AUX 4 SATELLITE SCHEDULE Until the full constellation of satellites is complete satellites may not be available 24 hours a day in all parts of the world The AUX 4 fun...

Страница 102: ...ate or key in a new one Press ENTER to begin computing As the unit calculates the satellite schedule for a 2D or 3D solution the time advances in 15 minute increments as the unit computes a 24 hour sc...

Страница 103: ...ve an Almanac Sky Search is entered with AUX 5 but is also initiated automatically when POS is pressed and the unit does not have an Almanac In Sky Search the unit follows a prescribed search hierarch...

Страница 104: ...ocated and acquired and the unit is collecting an Almanac DO NOT turn the unit off when this message is displayed 5 9 AUX 6 NMEA SETUP If you will be supporting an NMEA device with the NAV 5000 the un...

Страница 105: ...or OFF Press the RIGHT ARROW to toggle between on and off 5 10 AUX 7 BEEPER CONTROL The unit beeps when a key on the keypad is pressed and when an SQ GQ or OId Data symbol appears The beeper can be tu...

Страница 106: ...NTER to accept the displayed position The display moves to the distance message Key in the estimated distance Remember that the display is a fixed decimal add trailing zeroes as necessary AUX 8 WAYPOI...

Страница 107: ...wice to let the unit name the waypoint Press ENTER Key in the estimated bearing to the destination from the chosen position Press ENTER The unit calculates and displays the destination waypoint lt als...

Страница 108: ...ing appears Battery Saver off is the default setting lt you want to support NMEA devices while operating from battery power you must turn the Battery Saver off Operating the unit with the Battery Save...

Страница 109: ...R or press AUX once and the RIGHT ARROW ten times Press CLEAR AUX 13 CLEAR MEMORY Clear Memory erases all or selected portions of the unit s memory Before using this function be very sure that this is...

Страница 110: ...ANAC EPHEM erases the Almanac and any Ephemeris data the unit may have from a satellite LAST FIX INIT erases the last fix backup fixes and initial position As you press the RIGHT ARROW you will notice...

Страница 111: ...memory NMEA Setup 6 5 9 Selects output message format to supported NMEA devices Receiver Status Screen 1 5 2 Displays five satellites that are in view and monitors the search acquisition and ranging o...

Страница 112: ...althy The angle and el evation of satellites above the horizon are also dis played Sky Search 5 5 8 Searches for satellites in a prescribed hierarchy to collect an Almanac and determine position after...

Страница 113: ...f the satellites used for the previous fix and cannot find another available satellite The position fix displayed with this symbol is 10 seconds old or older and should not be used to navigate ERROR A...

Страница 114: ...ote which satellites were used for the fix 2 Check Sat Status AUX 3 to be sure all satellites are ON 3 Check the angle of elevation and azimuth of the visible satellites are signals being blocked by y...

Страница 115: ...e sky 2 If using an exterior antenna check the connections 3 Verify the initialization position and time see SETUP 4 Check Sat Status AUX 3 to be sure all satellites are set to ON 5 Check Satellite Sc...

Страница 116: ...unctions 3 Press any function key except ON OFF or LIGHT to continue Second battery warning You ignored the first battery warning and battery power is now dangerously low The unit turns itself off two...

Страница 117: ...tery compartment NOTE This will clear the unit s memory NO POWER battery Operation The batteries are inserted into the clip incorrectly or the clip is not inserted into the unit correctly Do this Inse...

Страница 118: ...h the self test display to verify the power source Check the external power source for malfunctions Also check all connections The Signal from one or more satellites has been lost the position fix dis...

Страница 119: ...ue position and about 95 of the fixes will be within 25 meters under good conditions This assumes that the government is not adjusting the satellites The government may periodically degrade the accura...

Страница 120: ...orrectly Do this Check all cables and adapters refer to the illustration on page 2 4 for proper connections Unit not in continuous mode Do this Turn the unit off connect the unit to an external power...

Страница 121: ...Wait until three position fixes have been taken then try again DASHES APPEAR IN You are 65 6 feet 20 meters or less NAV DISPLAYS from your destination Distance to destination is no longer available an...

Страница 122: ...and the satellites listed in Sat Status AUX 3 Collect a new Almanac with Sky Search then check Sat Status again Note lf more satellites are listed now You may have turned some satellites off Do this C...

Страница 123: ...atures above 60 C or below 10 C o Do not store the unit at temperatures above 70 C or below 40 C o If the unit is dropped in the water use fresh water to carefully rinse both the outside of the unit a...

Страница 124: ...he datum you need is not available with the NAV 5000 set a user entered datum This is described in SETUP Setting a User Entered Map Datum The National Oceanic and Atmospheric Administration NOAA is cu...

Страница 125: ...n default SETUP features before clearing the memory In extreme cases such as when the display is frozen and the keypad will not work remove the battery clip for at least 1 2 hour This will al so erase...

Страница 126: ...APPENDIX 1 A 1 WAYPOINT LOG Always keep a written record of all waypoints especially of waypoints that are named by the unit Copy these pages for your waypoint notebook...

Страница 127: ...A 2...

Страница 128: ...sovsky 108 0 00480795 Somalia 43 163 45 AIN EL ABD 1970 International 251 0 14192702 Bahrain Island 150 251 2 ANNA 1 ASTRO 1965 Australian 23 0 00081204 Cocos Islands National 491 22 435 ARC 1950 Clar...

Страница 129: ...1204 134 48 149 Tasmania Island National BELLEVUE IGN International 251 0 14192702 Efate and Erromango 127 769 472 Islands BERMUDA 1957 Clarke 1866 69 4 0 37264639 Bermuda Islands 73 213 296 BOGOTA OB...

Страница 130: ...251 0 14192702 Gizo Island New 230 199 752 Georgia Islands EASTER ISLAND 1967 Easter Island International 251 0 14192702 211 147 111 EUROPEAN 1950 International 251 0 14192702 Mean Value 87 98 121 Au...

Страница 131: ...36 303 Bangladesh India 860 655 and Nepal 0 28361368 289 734 257 IRELAND 1965 Modified Airy 796 811 0 11960023 Ireland 506 122 611 ISTS 073 ASTRO 1969 Diego Garcia International 251 0 14192702 208 435...

Страница 132: ...l 1841 739 845 0 10037483 Eritrea Ethiopia 639 405 60 MERCHICH Clarke 1880 112 145 0 54750714 Morocco 31 146 47 MIDWAY ASTRO 1961 Midway Island International 251 0 14192702 912 58 1227 MINNA Clarke 18...

Страница 133: ...land Island Canal Zone 69 4 0 37264639 0 125 201 Caribbean Barbados 69 4 0 37264639 7 152 178 Caicos Islands Cuba Dominican Republic Grand Cayman Jamaica Leeward Islands and Turks Islands Central Amer...

Страница 134: ...023 375 111 431 1936 Mean Value England Isle of Man Scotland Shetland Islands and Wales PICO DE LAS NIEVES Canary Islands International 251 0 14192702 307 92 127 PITCAIRN ASTRO 1967 Pitcairn Island In...

Страница 135: ...PER HILL 1943 International 251 0 14192702 East Falkland Island 355 16 74 SOUTH AMERICAN 1969 Mean Value South 23 0 00081204 57 1 41 Argentina American 1969 Bolivia Brazil Chile Colombia Ecuador Guyan...

Страница 136: ...Okinawa TRISTAN ASTRO 1968 Tristan da Cunha International 251 0 14192702 632 438 609 VITI LEVU 1916 Clarke 1880 112 145 0 54750714 Viti Levu Island 51 391 36 Fiji Islands Wake Eniwetok 1960 Hough 133...

Страница 137: ...Ellipsoid Model of the Earth A 12...

Страница 138: ...tion In general the farther apart the satellites are the more accurate the fix is The position fix may not be as accurate when the satellites are close together When geometric quality is between 4 and...

Страница 139: ...tion fix SO has no affect on the accuracy of the position fix it is only an indication of signal strength SQ is displayed on the third screen of a position fix backup fix or stored fix waypoint and ra...

Страница 140: ...e APPENDIX 5 The following are a synopsis of the most often used function key sequences LAST FIX KEY SEQUENCES View Coordinates of most recent stored Position View Last Fix Backups NAVIGATION KEY SEQU...

Страница 141: ...POSITION KEY SEQUENCES Receiver Status Screen Position Display ROUTE KEY SEQUENCE Creating Route A 16...

Страница 142: ...RIGHT ARROW TO DESIRED LEG OR Enter Waypoints OR Navigate a Route WAYPOINT KEY SEQUENCES View Waypoints OR Save a Position A 17...

Страница 143: ...OR Rename Waypoints Erase Waypoints A 18...

Страница 144: ...in manual mode indicating that you have reached the destination of the current leg AUTOMATIC MODE The mode of operation that uses either 2D or 3D depending on the number of available satellites Prefer...

Страница 145: ...line between your start point and destination The perpendicular distance between the present position and the courseline Given as right or left of course when facing the destination Displayed in NAV...

Страница 146: ...nd The direction your vessel is facing defined as an angle from North The position fix taken before the current position fix stored in the unit s memory and accessed by pressing LASTFX The distance no...

Страница 147: ...d by the NMEA to allow navigational devices to exchange data A location that is obtained in real time and expressed in a coordi nate system Sometimes called a fix Also a waypoint location obtained fro...

Страница 148: ...by the unit instantly and displayed with VEL See Signal Quality Three dimensional The mode of operation that calculates latitude longitude and altitude requiring the use of four satellites Time To Go...

Страница 149: ...d Universal Time formerly referred to as GMT or Greenwich Mean Time Abbreviated as UT Universal Time The component of total ground speed SOG as projected along the courseline Abbreviated as VMG and di...

Страница 150: ...5 8 see also NMEA setup AUX 6 3 13 5 9 see also NMEA setup AUX 7 5 10 see also Beeper AUX 8 5 11 see also Waypoint projection AUX 9 5 12 see also Battery saver AUX 10 5 13 see also Waypoint erase AUX...

Страница 151: ...11 error 4 15 4 16 lnstafix 3 2 4 10 4 11 Insufficient Number of satellites 4 15 Invalid leg 4 5 4 24 Invalid output see NMEA output message L Last fix 4 1 Lat lon display 4 34 Light 4 4 5 3 M Magneti...

Страница 152: ...battery 4 8 Warning signal 4 17 Warning power 4 9 Waypoint WPT 3 3 4 42 clearing 4 48 entering 2 14 3 24 4 44 erase 5 13 5 14 naming 4 43 renaming 4 47 saving a position as 4 3 4 42 viewing 4 46 4 42...

Страница 153: ...960 OVERLAND COURT SAN DIMAS CA 91773 714 394 5000 22 10029 000...

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