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Furuno GP-80 Operator's Manual

Gps navigator operator's manual
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  • Page 2 *00080733901* *00080733901* *00080733901* *00080733901* ( ( DAMI DAMI ) ) GP-80 GP-80 * 0 0 0 8 0 7 3 3 9 0 1 * * 0 0 0 8 0 7 3 3 9 0 1 * *OME43740U00* *OME43740U00*...
  • Page 3 SAFETY INSTRUCTIONS "DANGER", "WARNING" and "CAUTION" notices appear throughout this manual. It is the responsibility of the operator and installer of the equipment to read, understand and follow these notices. If you have any questions regarding these safety instructions, please con- tact a FURUNO agent or dealer.

  • Page 4: Safety Information

    SAFETY INFORMATION FOR THE OPERATOR CAUTION WARNING Do not place liquid-filled containers on Do not open the cover of the the top of the equipment. equipment. Fire or electrical shock can result if a This equipment uses high liquid spills into the equipmtnt. voltage electricity which can shock, burn or cause death.

  • Page 5: Table Of Contents

    4. NAVIGATION PLANNING TABLE OF CONTENTS 4.1 Registering Waypoints ...... 4-1 4.2 Editing Waypoints......4-4 4.3 Deleting Waypoints......4-5 4.4 Registering Routes ......4-5 4.5 Deleting Route Waypoints ....4-6 FOREWORD ......iii 4.6 Replacing Route Waypoints....4-7 4.7 Deleting Routes ........ 4-7 SYSTEM OVERVIEW ....1 5.
  • Page 6 8.5 Receiving Data from Personal Computer .......... 8-8 8.6 DGPS Settings ........ 8-10 8.7 Displaying GPS Monitor Displays . 8-12 9. MAINTENANCE & TROUBLESHOOTING 9.1 Clearing the Memory ......9-1 9.2 Preventative Maintenance ....9-2 9.3 Error Messages ......... 9-2 9.4 Troubleshooting ........

  • Page 7: Foreword

    Thank you for considering and purchasing FURUNO equipment. 2051011-017 (Apr. 2002) Features The GP-80 GPS Navigator is a totally inte- grated GPS receiver and video plotter con- sisting of a display unit and an antenna unit. The high sensitivity receiver tracks up to eight satellites simultaneously.
  • Page 8 This page is intentionally left blank.

  • Page 9: System Overview

    SYSTEM OVERVIEW 1. Menu Tree Display selection menu DISPLAY Select Display (Plotter 1, Plotter 2, Highway, Navigation and Data displays) Main menu MENU 1. DISPLAY SETUP 2. TRACK/MARK SETUP 3. ERASE TRACK/MARK 4. ALARM SETTINGS 1/2 ALARM SETTINGS 2/2 5. MANUAL CALCULATION 7.
  • Page 10 Waypoint, route menu 1. Cursor 2. MOB/Event Position 3. Own Ship Position 4. Waypoint List WAYPOINT LIST 5. Route Planning ROUTE LIST GOTO menu GOTO 1. Cursor 2. MOB/Event Position 3. Waypoint List GOTO "Waypoint List" 4. Route List GOTO "Route List" 5.

  • Page 11: System Configuration

    2. System Configuration ANTENNA UNIT Receives GPS signals. BEACON ANTENNA UNIT Receives GPS correction data from DGPS reference station. DISPLAY UNIT Receives and processes GPS signals to fix position and display it in latitude/longitude or LOP. Ship's Mains 10.2 to 31.2 VDC...

  • Page 12: Operation Flow Chart

    3. Operation Flow Chart Select display mode • Plotter 1 (own ship's track and data) • Plotter 2 (own ship's track) • Highway (ship's track overlaid on navigation lane) • Navigation (graphic navigation data display for steering) • Data (alphanumeric navigation data) Set destination temporarily Register waypoints...

  • Page 13: Operational Overview

    1. OPERATIONAL OVERVIEW 1.1 Control Description Cursor keys Shift display and cursor. MENU NU/CU Opens/closes menu; Selects display orientation; quits current operation. registers selections on menus. DISPLAY EVENT Inscribes event mark at Selects display mode. ship's position; marks man overboard position GOTO Registers waypoints Sets destination.

  • Page 14: Turning On And Off The Power

    1.2 Turning On and Off the curs: Power 20 seconds after turning on the power, accu- The GP-80 takes about two minutes to find rate position (in latitude and longitude) ap- position when turned on for the very first time. pears on the display.

  • Page 15: Adjusting Display Contrast And Brilliance

    Note 1: When PDOP value exceeds 6 in the 1.4 Selecting the Display 3D mode, the position fixing method is Mode automatically changed to 2D. Note 2: The "DEMO" icon appears when the 1) Press the [DISPLAY SEL] key. The dis- display is in the demonstration mode.
  • Page 16 Plotter 1 display Plotter 2 display Bearing from own ship Cursor position or lighthouse to destination waypoint data, when cursor is on Ship's position appears when cursor is off Course GPS receiving Own ship's condition track Own ship DGPS 3D Alarm 34°...
  • Page 17 Navigation display 2) With autopilot connection, automatic mode 1) No autopilot connection Cross track Bearing from own DGPS 3D error meter ship to destination waypoint 12.3 Bearing Destination Speed scale Velocity To waypoint no. Destination BRG: 10.3 63° DGPS 3D CSE: 123°...

  • Page 18: Data Display

    Data display (Window assignment and size of characters are user-definable) Position in latitude and longitude or LOPs Fixing date and time* Cursor DGPS 3D SEP 12, 1995 23:59'59" U 12 23.456' N POSITION 123 23.456' E WGS84 TO : 001 MARINE 223.4 31.23...

  • Page 19: Track5

    2.3 Shifting the Cursor 2. TRACK The cursor can be shifted with the cursor keys. 1) Press the [CURSOR ON/OFF] key to turn 2.1 Enlarging/Shrinking the on the cursor. Display 2) Press the cursor keys. You may enlarge and shrink the display on The cursor moves in the direction of the cur- the Plotter 1 and Plotter 2 displays, with the sor key pressed.

  • Page 20: Shifting The Display

    2.7 Stopping/Starting Plotting Course and Recording of Track Speed The GP-80 stores 2,000 points of track and Figure 2-2 Data displayed when marks. When the memory becomes full the the cursor is turned off oldest track is erased to make room for the latest.

  • Page 21: Erasing Track

    2.8 Erasing Track Hold icon (appears while recording of track is stopped) The track stored in the memory and displayed on the screen can be erased. 34° 23.456´ N 135° 45.678´ E DGPS 3D CAUTION 234° Track cannot be restored once erased. Be absolutely sure you want to erase all track.

  • Page 22: Selecting Track Plotting Interval

    3) Press to select Track Rec. Are you sure to erase ? 4) Press t to select Time. 5) Enter plotting interval in four digits. To ENT: Yes MENU: No enter 30 seconds, for example, press [0] [0] [3] [0]. Figure 2-6 Prompt for erasure 6) Press the [NU/CU ENT] key.

  • Page 23: Apportioning The Memory

    3) Press [1] to display the PLOTTER SETUP 2.10 Apportioning the menu. Memory PLOTTER SETUP The memory holds 2,000 points of track and Memory Apportion Trk = 1000 / 2000Pt marks and may be apportioned as you like. Bearing Ref. True The default memory setting stores 1,000 points each of track and marks.

  • Page 24: Selecting Bearing Reference

    Entering magnetic variation 2.11 Selecting Bearing Reference The location of the magnetic north pole is dif- ferent from the geographical north pole. This Ship's course and bearing to waypoint may causes a difference between the true and mag- be displayed in true or magnetic bearing. netic north direction.

  • Page 25: Marks

    At cursor intersection 3. MARKS 1) Press the [CURSOR ON/OFF] key to turn on the cursor. 3.1 Entering/Erasing Marks 2) Operate the cursor keys to place the cur- sor on the location for the mark. Marks can be inscribed on the Plotter 1 and 3) Press the [MARK] key.

  • Page 26: Selecting Mark Shape

    3.3 Connecting Marks Are you sure to erase ? (selecting mark connection line) ENT: Yes MENU: No Marks can be connected with lines to denote net location, fishing spot, etc. Three types of Figure 3-4 connection lines are available and the "•" set- 4) Press the [NU/CU ENT] key.

  • Page 27: Entering Event Marks

    3.4 Entering Event Marks 3.5 Selecting Event Mark Shape Event marks can denote any important present position; for example, a good fishing spot. Event marks are available in 10 shapes. Select Event marks can be saved as ordinary marks event mark shape as follows. and the unit automatically numbers them from 01 to 99.

  • Page 28: Entering The Mob Mark

    2) Press the [NU/CU ENT] key. If the dis- 3.6 Entering the MOB Mark play in use is Highway, Navigation or Data, they are automatically replaced by The MOB mark denotes man overboard po- the Plotter 2 display. sition. To mark man overboard position, press the [EVENT MOB] key.

  • Page 29: Navigation Planning

    The GP-80 can store 999 waypoints, num- on the third line. You may, however, as- bered from 001–999. Waypoints can be reg- sign a different number. If the waypoint...
  • Page 30 6) Press to select waypoint mark shape. Control is returned to the last used dis- The following display appears. play mode. When the waypoint number entered at step 5 already exists, the message shown in Figure 4-4 appears if the waypoint is part : Cursor of the current destination or route or is part ENT: Enter...
  • Page 31 Registering waypoints by MOB Registering waypoints by own position/event position ship's position The MOB position or an event position can Note: When there is no position data, you can- not register a waypoint at own ship's position. be registered as a waypoint. Event marks are The buzzer sounds and the following message numbered from 01 to 99;...

  • Page 32: Editing Waypoints

    4.2 Editing Waypoints Edit = Waypoint : 001 _ _° _ _._ _ _' N _ _ _°_ _._ _ _' W 1) Press [WPT RTE] and [4]. Mark : 2) Press to select waypoint to edit. Cmnt : 3) Press s. : Cursor : Column 4) Edit the contents of the waypoint.

  • Page 33: Deleting Waypoints

    Deleting waypoints through the to change the destination waypoint repeatedly. waypoint list The GP-80 can store 30 routes and each route 1) Press [WPT RTE] and [4]. may contain up to 30 waypoints. Routes can be registered while in the Plotter 1 or Plotter...

  • Page 34: Deleting Route Waypoints

    2 2 2 2 2 Using previously registered waypoints ROUTE : 01 (In Use , REVERSE) skip Distance Enter waypoints in the order they will be tra- Trial Speed : Auto Man (012.0kt) Route versed; not by waypoint number order. editing screen 7) Press [...

  • Page 35: Replacing Route Waypoints

    4.6 Replacing Route 4.7 Deleting Routes Waypoints 1) Press [WPT RTE] and [5] to display the route list. 1) Press [WPT RTE] and [5] to display the route list. 2) Press to select route to delete. 2) Press to select route. 3) Press the [CLEAR] key.
  • Page 36 This page is intentionally left blank.

  • Page 37: Starting For Destination

    5. STARTING FOR Using the cursor you may set a destination DESTINATION consisting of 30 points. When all 30 points are entered, the GP-80 automatically disables further entry. 5.1 Setting Destination Setting single destination There are four ways by which you can set 1) Press the [GOTO] key.
  • Page 38 Flag mark Overwriting ? ENT:Yes MENU:No Figure 5-6 8) Press the [NU/CU ENT] key. Figure 5-4 Single destination set by cursor The waypoints do not have waypoint num- bers, however you can attach waypoint Setting multiple destinations numbers by doing the following. 1 Press [WPT RTE] and [5] to display 1) Press [GOTO] and [1].
  • Page 39 Setting destination by MOB Setting destination through position or event position waypoint list Note: This operation cannot be performed when Note: A waypoint must exist to set it as destina- there is no MOB position or event position. The tion. When a waypoint does not exist, the buzzer buzzer sounds and the message shown in Fig- sounds and the message shown in Figure 5-10 ure 5-8 appears to alert you when there is no...
  • Page 40 1 1 1 1 1 Setting destination by waypoint no. Route number can be entered here when this line appears in reverse video. 3) Enter waypoint number, in three digits. tFORWARD s GOTO (Route List) You can clear entry by pressing the Route No.

  • Page 41: Cancelling Destination

    Skipping route waypoints 2) Press to select route waypoint to skip. You may skip route waypoints by displaying 3) Press t or s to shift the cursor to the "DI" (DIsable) next to the route waypoint in right of the waypoint number. the route list.

  • Page 42: Erasing Route Waypoints (Flags)

    When flags are erased 5.3 Erasing Route Waypoints (flags) When the origin waypoint is erased the waypoint before it becomes the origin 1) Place the cursor on the flag to erase. waypoint. If there is no waypoint before the origin waypoint, current position becomes the 2) Press the [CLEAR] key.

  • Page 43: Finding Range And Bearing Between Two Points

    5.4 Finding Range and Calculation Procedure Bearing Between Two Points You can find the range and bearing between two points by two waypoints or two latitude and longitude positions. Selecting Course Sailing Method 1) Press [MENU ESC] and [5]. The The range and bearing to a destination are cal- MANUAL CALCULATION menu ap- culated by two ways: Great Circle or Rhumb...
  • Page 44 3) Press to shift the cursor to the Trial Speed line. 4) Press t or s to select Auto or Man. Auto uses ship's average speed to calcu- late time-to-go. 5) If you selected Man, enter speed. 6) Press the [NU/CU ENT] key. The range, bearing and time-to-go between two points appear on the display.

  • Page 45: Setting Up Various Displays

    • Total route distance (RT.DIST)* 6. SETTING UP • Trip distance (TRIP) • Trip elapsed time (TRIP TM) VARIOUS DISPLAYS • Water temperature (W.TMP)#, and • Velocity to destination (VTD)* *ALT: Displayed only in 3D position fixing. 6.1 Selecting Data to Display *RT.

  • Page 46: Selecting Position Format

    1 1 1 1 1 For Loran LOPs 6.2 Selecting Position Format 6) Press to select LC Chain. Position can be displayed in latitude and lon- gitude, Loran C LOPs, or Decca LOPs, and 7) Key in GRI code referring to the Loran C the default format is latitude and longitude.
  • Page 47 Registering waypoints using LOPs 5) Key in LOP1 and LOP2, to enable calcu- lation. 1) Press [WPT RTE] and [4]. 6) Press to calculate LOPs. "Calculating" 2) Press [ ] to display LOPs. appears between parentheses during the calculation. Actual LOPs replace "Calcu- lating"...

  • Page 48: Demo Display

    6.3 Demo Display The demo display provides simulated opera- tion of this unit. Own ship tracks, at the speed selected, a figure eight course, starting from position entered. All controls are operative; you may change course, enter marks, etc. 1) While pressing and holding down [NU/CU ENT], turn on the power.

  • Page 49: Alarms

    1) Press the [MENU ESC] key. 7. ALARMS 2) Press [4] to display the ALARM SET- TINGS menu. There are seven alarm conditions which gen- ALARM SETTINGS erate both audible and visual alarms. Arrival/Anchor Arr. Anc. When an alarm setting is violated, the buzzer Alarm Range 0.100nm sounds and the name of the offending alarm...

  • Page 50: Cross Track Error (Xte) Alarm

    Anchor watch alarm 7.2 Cross Track Error (XTE) Alarm The anchor watch alarm sounds to warn you that own ship is moving when it should be at The XTE alarm warns you when own ship is rest. off its intended course. Alarm Own ship's setting...

  • Page 51: Ship's Speed Alarm

    7.3 Ship’s Speed Alarm 7.4 Trip Alarm The ship’s speed alarm sounds when ship's The trip alarm sounds when the distance run speed is lower or higher (or within) the alarm is greater than the trip alarm setting. range set. 1) Press [MENU ESC] and [4].

  • Page 52: Water Temperature Alarm

    7.5 Water Temperature Alarm 7.6 Depth Alarm The water temperature alarm sounds when the The depth temperature alarm sounds when the water temperature is higher or lower (or depth is higher or lower (or within) the preset within) the preset temperature. This alarm re- depth.

  • Page 53: Menu Settings

    may change randomly depending on receiv- 8. MENU SETTINGS ing conditions and other factors. You can re- duce this random variation by increasing the smoothing. Like with latitude and longitude smoothing, the higher the speed and course 8.1 GPS Menu smoothing the more smoothed the raw data.
  • Page 54 Selecting fix mode Entering GPS speed smoothing 1) Press [MENU ESC] [9] and [6] to dis- 1) Press [MENU ESC] [9] and [6]. play the GPS SETUP menu. 2) Press to select Spd. GPS SETUP 3) Enter smoothing factor in three digits (001–999).

  • Page 55: Selecting Units Of Measurement

    Entering position offset 4) If necessary, press [ ] to switch from east longitude to west longitude or vice versa. If you do not know the type of chart you are Key in longitude. using, GPS position may be wrong. Note the difference in position when moored to a pier 5) Press the [NU/CU ENT] key.

  • Page 56: Mark, Character Size And Brilliance

    3) Press t or s to select brilliance. Unit of water temperature 4) Press [NU/CU ENT] and [MENU ESC]. 1) Press [MENU ESC] [9] and [2]. 2) Press to select Unit of Temp. Course bar tone 3) Press t or s to select unit; Centigrade or The course bar can be displayed in light or Fahrenheit.
  • Page 57 Waypoint mark size Enlarging characters The size of the waypoint mark can be selected The size of the indications of position or user to large or small. defined display areas can be enlarged on the Data display. Large waypoint mark 1) On the Data display, with no enlarged No icon With icon...

  • Page 58: Settings For Connection Of Navigator

    4) Press the [NU/CU ENT] key. Talker ID appears in reverse video. Besides its fundamental function of display- ing position, the GP-80 can also output vari- 5) Press t or s to select GP, LC or DE. ous data to external equipment. Before 6) Press the [NU/CU ENT] key.
  • Page 59 DATA 2 output setting Setting DATA 4 to NMEA 1) Press [MENU ESC] [9] and [4]. The The DATA 4 port connects to a personal com- DATA 2 OUTPUT SETUP menu appears. puter, DGPS receiver or YEOMAN equip- ment. DATA 2 OUTPUT SETUP 1) Press [MENU ESC] [9] and [5].

  • Page 60: Receiving Data From Personal Computer

    8.5 Receiving Data from Loading erases current data Personal Computer Are you sure to load ? ENT: Yes MENU:No Loading lighthouse/buoy data Lighthouse data can be downloaded from a personal computer, through the DATA 4 con- Figure 8-13 nector. 13) Press the [NU/CU ENT] key. The mes- 1) Press [MENU ESC] [9] and [5].
  • Page 61 Loading waypoint/route If data could not be loaded, the message shown in Figure 8-19 appears. 1) Do steps 1 through 9 in "Loading light- house/buoy data." Failed in loading Invalid data 2) Press t or s to select WPT/RTE. Press any key 3) Press to select Command.

  • Page 62: Dgps Settings

    Waypoint and route data can be saved to a personal computer. A DGPS beacon receiver (built in or exter- 1) Press [MENU ESC] [9] and [5]. nal) may be connected to the GP-80 to fur- ther refine position accuracy. Set up to receive 2) Press to select Level.
  • Page 63 When an external DGPS beacon receiver is connected to the DATA 4 connector, set up 5) Press the [NU/CU ENT] key. the GP-80 according to specification of DPGS beacon receiver connected as follows. 6) Press the [MENU ESC] key. 1) Press [MENU ESC] [9] and [5].

  • Page 64: Displaying Gps Monitor Displays

    8.7 Displaying GPS Monitor DGPS 3D Aug 21 1995 23:59'59" U Displays BEACON STATION NAME: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ID: _ _ _ _ Health: _ Three GPS monitor displays provide GPS in-...

  • Page 65: Maintenance & Troubleshooting

    9.1 Clearing the Memory play the CLEAR MEMORY menu. 2) Press to select Clear GPS. The GP-80 has two memories: GPS memory 3) Press s to select Yes. The following mes- and plotter memory. sage appears. Clearing the plotter memory...

  • Page 66: Preventative Maintenance

    9.2 Preventative Maintenance 9.3 Error Messages Regular maintenance is necessary to maintain Error messages appear on the display to alert performance. Check the items mentioned be- you to possible trouble. low monthly to keep the equipment in good working order. WARNING Antenna unit Do not open the display unit cover.
  • Page 67 DGPS error When DGPS data contains errors or the DGPS beacon station is experiencing transmitting problems, the message shown in Figure 9-7 appears. DGPS Error Figure 9-7 DGPS error message Self test error message If the self test (conducted when turning on the power) finds equipment error, the mes- sage shown in Figure 9-8 appears.

  • Page 68: Troubleshooting

    9.4 Troubleshooting The table which follows provides trouble- shooting procedures which you can follow to restore normal operation. If normal operation cannot be restored, ask your dealer for advice. Table 9-1 Troubleshooting table ..• •...

  • Page 69: Self Tests

    Whenever NG or 16 hexadecimal figure 9.5 Self Tests appears contact your dealer for advice. Memory and I/O circuits test DATA 1 PORT, DATA 2 PORT and DATA 4 PORT show results of communication 1) Press [MENU ESC] and [8] to display the interface test.
  • Page 70 Display test Automatic testing 1) Press [MENU ESC] [8] and [3] to dis- This feature conducts all self tests continu- play the test pattern screens. ously. 2) To change the test pattern, press the [NU/ 1) Press [MENU ESC] [8] and [4]. Self tests CU ENT] key.

  • Page 71: Introduction To Gps

    10.2 How the GPS Receiver 10. INTRODUCTION Calculates Position TO GPS The GPS receiver’s position is continuously fixed by receiving 3 (or 4) satellites in line- of-sight of the GPS receiver. The basic steps 10.1 What is GPS? in position fixing are as below. 1) GPS satellites continually transmit their GPS is an acronym meaning Global Position- own precise orbital data called ephemeris.

  • Page 72: Position-Fixing Accuracy (Hdop)

    The index for position-fixing accuracy is 10.3 Position-fixing Accuracy known as HDOP (Horizontal Dilution of Pre- (HDOP) cision) for 2D mode or PDOP for 3D mode. In simpler terms it is the geometrical relation- In radar position-fixing, most accurate posi- ship among 3 (or 4) satellites.

  • Page 73: Specifications

    Specifications GPS Receiver Number of receiving channels 12 channels parallel, 12 satellite tracking Rx frequency 1575.42MHz Rx code C/A code Position fixing system All in view, 8-state Kalman filter Position Accuracy Approx. 10m, 95% of the time, Horizontal dilution of position (HDOP) 1 Note: All GPS receiver are subject to degradation of position and velocity accuracies under the U.S.

  • Page 74: Dimensions And Weight

    Data Input/Output Number of ports 4 I/O ports Data format IEC 61162-1/NMEA 0183 Ver. 1.5/NMEA Ver. 2.0 Input data NMEA 0183: AGFPA, DBT, DPT, MTW, TLL DPGS; RTCM SC104 Ver. 2.1 Universal data from personal computer. Output data IEC 61162-1/NMEA 0183 (Ver. 1.5/Ver. 2.0): AAM, APA, APB, BOD, BWC, BWR, BWW, GGA, GLL, RMB, RMC, VTG, WCV, WNC, WNR, WPL, XTE, ZDA, ZLG, ZTG, Rnn, RTE,...

  • Page 75: Digital Interface

    Digital Interface (IEC 61162-1) Output sentences of channel 1, 2, 3, 4 (DATA 1, DATA 2, DATA 3, DATA 4) AAM, APB, BOD, BWC, BWR, BWW, GGA, GLL, RMB, RMC, VTG, WCV, WNC, WPL, XTE, ZDA, ZTG, RTE, DTM Input sentences of channel 1 (DATA 1, DATA2, DATA4) DBT, DPT, MTW, TLL Transmission interval All sentences output at the interval selected (00-90 s).
  • Page 76 Schematic diagrams DATA1 port (output) Output drive capability: Max. 10mA 20P8147 DATA 1 MJ-A6SRMD R107 AM26LS31CNS TD-A TD-B FL14 R101 DATA 1 port (input) 20P8147 DATA 1 MJ-A6SRMD Fl12 2.2K RD-H PC-400 R108 RD-C CR13 FL11 1SS226...
  • Page 77 DATA 2 port (output) Output drive capability: Max. 10mA DATA 2 port (input)
  • Page 78 DATA 3 port (output) Output drive capability: Max. 10mA DATA 4 port IN/OUT signal is selected by the menu among the output of IEC 61162-1, NMEA Ver. 1.5/2.0, PC input/output and DGPS signal. Sentence description AAM - Waypoint arrival alarm...
  • Page 79 APB - Autopilot sentence data...
  • Page 80 BOD - Bearing, origin to destination BWC - Bearing and distance to waypoint...
  • Page 81 BWR - Bearing, waypoint to range BWW - Bearing, waypoint to waypoint...
  • Page 82 DBT - Depth below transducer DPT - Depth DTM - Datum reference A-10...
  • Page 83 GGA -Global positioning system fix data GLL - Geographic position, latitude and longitude A-11...
  • Page 84 MTW- Wind speed and angle RMB - Recommended minimum navigation information A-12...
  • Page 85 RMC- Recommended minimum specific GPS/TRANSIT data RTE - Routes A-13...
  • Page 86 TLL - Target latitude and longitude VTG - Course over ground and ground speed A-14...
  • Page 87 WCV - Waypoint closure velocity WNC - Distance, waypoint to waypoint WPL - Waypoint location A-15...
  • Page 88 XTE - Cross-track error, measured ZDA - Time and date ZTG - UTC and time to destination waypoint A-16...

  • Page 89: Time Differences

    Time Differences A-17...

  • Page 90: Geodetic Chart List

    Geodetic Chart LIst 094: : Alberta & British Columbia 001: WGS84 095: : East Canada 002: WGS72 096: : Manitoba & Ontario 003: TOKYO : Mean Value (Japan, Korea & Okinawa) 097: : Northwest Territories & Saskatchewan 004: NORTH AMERICAN 1927 : Mean Value (CONUS) 098: : Yukon...

  • Page 91: Loran C Chains

    Loran C Chains Chain Central Pacific 4990 Canadian East Coast 5930 Commando Lion (Korea) 5970 Canadian West Coast 5990 South Saudi Arabia 7170 Labrador Sea 7930 Eastern Russia 7950 Gulf of Alaska 7960 Norwegian Sea 7970 Southeast USA 7980 Mediterranean Sea 7990 Western Russia 8000...

  • Page 92: Decca Chains

    Decca Chains Chain Chain Chain Location Chain Chain Chain Location code code South Baltic Europe Kanto Japan Vestlandet " Shikoku " Southwest British " Hokuriku " Northumbrian " Kita Kyushu " Holland " Namaqualand Southern Africa North British " Cape "...

  • Page 93: Dgps Reference Station List

    DGPS Reference Station List e r I a t i l r e t i n t a t i r e A-21...
  • Page 94 t i n t a t t i n t a t i r e i r e , T I A-22...
  • Page 95 l i z A-23...

  • Page 96: Glossary

    Glossary Almanac Differential GPS (DGPS) Each GPS satellite broadcasts its own orbital The differential GPS system, consisting of data as well as general orbital data of all other DGPS land stations and DPGS beacon GPS satellites. This general orbital data is receiver-equipped marine vessels, further called the Almanac.
  • Page 97 Bearing relative to magnetic north, with the A series of waypoints leading to the ultimate compass bearing corrected for deviation. destination. Magnetic variation offset Route navigation The location of the magnetic north pole is Following a stored route. different from the geographical north pole. This causes a difference between the true and magnetic north direction.
  • Page 98 True bearing Bearing relative to North; compass bearing corrected for magnetic deviation. The GPS receiver can display true or magnetic bearing. Velocity to destination The amount of speed in the direction (course) of the desired destination. Waypoint A waypoint is a particular location on a voyage whether it be a starting, intermediate or destination waypoint.

  • Page 99: Index

    INDEX Anchor watch alarm 7-2 Editing Waypoints 4-4 Apportioning the Memory 2-5 Entering marks 3-1 Arrival Alarm 7-1 entry of comment 4-2 Automatic testing 9-6 Entering position 8-3 Enlarging characters 8-5 Erasing Track 2-3 Erasing marks 3-1 brilliance 1-3 Erasing Route Waypoints 5-6 Error Messages 9-2 Event Marks 3-3 Cancelling Destination 5-5...
  • Page 100 Navigation display 1-5 User-defined display 6-1 North-up 2-1 Unit distance 8-3 Unit of depth 8-3 Unit of water temperature 8-4 Unit of altitude 8-4 Magnetic variation 2-6 Mark Shape 3-2 mark connection line 3-2 Memory and I/O circuits test 9-5 Water Temperature Alarm 7-4 MOB Mark 3-4 Waypoint mark size 8-5...

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