B&G Network GPSplus User Manual

CONTENTS
USING ROUTES 26
INTRODUCTION 1
INTRODUCTION TO GPSPlus 3
OPERATION OF GPSPlus 5
INTRODUCTION 6 SWITCHING ON 6 INITIAL DISPLAYS 6 USING THE LIGHTS KEY 7 NOTES ABOUT ENTERING DATA 7 USING THE POS KEY 8
USING WAYPOINTS 11
INTRODUCTION TO WAYPOINTS 11 MARK FEATURE - INSTANT WAYPOINTS 12 MARK WAYPOINT TABLE 13 MAN OVERBOARD (MOB) FACILITY 15 VIEWING THE WAYPOINT LIBRARY 16 ENTERING AND USING WAYPOINTS 16 WAYPOINT BY LATITUDE AND LONGITUDE 17 PRESENT POSITION AS A WAYPOINT 19 ENTERING A WAYPOINT NAME 20 COPYING FROM WAYPOINT TO WAYPOINT 21 SORTING THE WAYPOINT LIBRARY 22 WAYPOINT BY RANGE AND BEARING 23 ERASING A WAYPOINT FROM THE LIBRARY 24 OTHER WAYPOINT SETUPS 25
INTRODUCTION TO ROUTES 26 VIEWING THE ROUTE LIBRARY 26 DIAGRAM OF A SIMPLE ROUTE 27 LISTING A STORED ROUTE 27 ROUTE PLANNING PAGE 28 DEFINING A ROUTE 29 EDITING A STORED ROUTE 31 OTHER ROUTE SETUPS 32
NAVIGATION WITH GPSPlus 33
INTRODUCTION TO NAVIGATION 33 SELECTING A WAYPOINT OR ROUTE 34 DISPLAYING THE NAV PAGES 35 CHANGING THE CURRENT LEG OF A ROUTE 38
SETTING UP THE GPSPlus 39
INTRODUCTION TO SETUPS 39 SELECTING THE RECEIVER INPUT TYPE 40 WAYPOINT ARRIVAL ALARM 40 AUTO ADVANCE RADIUS 41 ANCHOR ALARM 42 HDOP ALARM 43 CROSS TRACK ERROR ALARM 45 WAYPOINT ZONE ALARM 46 NETWORK SYSTEM ALARMS 47 SETTING THE CHART DATUM 48 SETTING A USER DATUM 48 SELECTING NMEA OUTPUT SENTENCES 49 NMEA CHECKSUMS 49
CONTENTS
SETTING DISPLAY TYPE (NORMAL/DEMO) 50 MANUALLY SETTING PRESENT POSITION 51 SETTING DISPLAY CONTRAST 51 SELECTING TIME/DATE DISPLAY 52 SETTING LOCAL TIME 52 SETTING THE DATE 53 SELECTING MAGNETIC OR TRUE BEARINGS 53 MAGNETIC VARIATION (AUTO/MANUAL) 54 SELECTING THE DISTANCE UNITS 54 COG AND SOG DAMPING 55 BEARINGS (RHUMB LINE/GREAT CIRCLE) 55 CHANGING THE DISPLAY LANGUAGE 56 MULTIPLE GPS
GPSPlus INTERFACING 58
TRANSFERRING WAYPOINT DATA 58 DOWNLOADING VIA B&G NETWORK 59 DOWNLOADING VIA NMEA INTERFACE 59 UPLOADING WAYPOINTS 60 DOWNLOADING ROUTE DATA 60 NMEA INTERFACING WITH GPSPlus 61 NMEA CABLE CONNECTIONS 61 NMEA OUTPUT 62 NMEA OUTPUT SENTENCE LIST 62
GPS Plus DIFFERENTIAL INFORMATION 63
plus
DISPLAY INSTALLATIONS 57
GPSPlus
INSTALLATION 64
INSTALLATION OF THE DISPLAY UNIT 64 INSTALLATION OF THE ANTENNA UNIT 65 ROUTING THE GPS ANTENNA CABLE 67
APPENDIX 68
CHART DATUM LIST 68
INTRODUCTION TO GPSPLUS
The GPSPlus display unit processes the information from its accurate 12 channel GPS antenna/receiver unit or from an additional LORAN-C or DECCA receiver. The unit can select between either of the two input devices to display accurate positional information, along with waypoints, routes and information concerning GPS satellites, LORAN-C T.D.'s or DECCA L.O.P.'s.
PLUS
GPS
DISPLAY UNIT
The GPSPlus display unit's six keys and control knob have the following operating functions and features:
POS key
Position as Latitude and Longitude to three decimal
- Positional Data
places.
Course and Speed over the ground, (COG & SOG).
Universal Time Co-ordinate (UTC), local time and date.
Local sea current information, direction and speed.
Satellite information, LORAN-C T.D's, DECCA L.O.P's.
Use with the SETUP key for setting and adjusting
parameters.
WPT/MOB/MARK key - Waypoint, Man Overboard & Mark
Waypoint library for up to 250 waypoints.
One-touch Man Overboard (MOB) alarm with range and
bearing to MOB event.
20 One-touch instant entry "Mark" waypoints.
Entry of waypoint latitude and longitude.
Entry of present position as a waypoint.
Name waypoints using up to 8 characters.
Copying from one library waypoint to another.
List and sort by waypoint name or number.
Entry by range and bearing from present position.
Erase waypoints from the library.
"Download" waypoints via NMEA interface.
"Uploading" waypoints from another NMEA position fixer.
"Net download" waypoints to another GPSPlus display
unit.
Use with the SETUP key for setting and editing
waypoints.
3
NAV key
- Navigational Data
The NAV key only gives navigational data when a waypoint or route (sailplan) has been entered and selected.
Bearing and distance to waypoint; Magnetic or True
bearings, Nautical or Statute miles, Rhumb-line or Great Circle calculations.
Course to steer (CTS).
Cross track error (XTE) with off track and direction to
steer indicator.
Time to go (TTG) to waypoint.
Velocity made good (VMG) to waypoint.
Estimated time of arrival (ETA) at waypoint.
Forward or reverse route selection.
Use with the SETUP key for selecting target waypoint or
route to be used for navigation.
ROUTE key
- Route defining and editing
LIGHTS/ENTER key
- Adjusts the illumination level, and when used with the SETUP key memorises any setting and adjustments that have been made.
STEP knob - Selects and lists functions, waypoints, routes and is used to adjust values and data. When a number or name is flashing the STEP knob can be turned to alter the flashing display. Press the ENTER key to confirm your selection.
GPSPlus ALARMS
The GPSPlus display has alarms that can be set and adjusted to suit your requirements. When an alarm condition is met the internal alarm buzzer will sound and the display will indicate which alarm has been triggered. When the GPSPlus is part of a fully integrated Network Instrument system the alarm conditions will be displayed and sounded by all Network display units.
Route library for up to 10 routes, with up to 40 waypoints
per route.
Route planning page gives range and bearing data
between any two library waypoints.
Edit existing routes; insert and delete waypoints from any
selected route.
"Download" route data via NMEA.
Use with the SETUP key for defining and editing routes.
SETUP key - Used with other keys for setting and adjusting data. Refer to the SETUP section of the handbook for a full list of setups.
The following alarms can be set and adjusted:
Waypoint arrival alarm with automatic waypoint advance.
Anchor watch alarm.
HDOP alarm (GPS use only).
Cross track error alarm.
Waypoint zone alarm.
The GPSPlus display will also repeat alarms from Network instruments when part of an integrated Network System.
Refer to the SETTING UP THE GPSPlus for details on setting and adjusting the alarms.
4
INTRODUCTION
After installation the GPSPlus can be used immediately with minimal setting up for basic operation. To use the advanced features of the GPSPlus display it is necessary to program various parameters and enter waypoints and routes into the units library. These will be discussed in later sections of this handbook.
SWITCHING ON
The GPSPlus will power up and start receiving and processing the signals from the satellites when the switch or contact breaker for your instruments supply is turned on. The display unit does not have an ON/OFF switch.
INITIAL DISPLAYS
On power-up the unit will show its satellite receiving status:
On subsequent power-ups the GPSPlus should quickly obtain enough satellites for a fix, and the WAIT message will only be displayed momentarily. If after a period of 15 minutes the display still shows NO DATA then check your installation. If everything seems to be in order consult your dealer.
The GPSPlus system requires only three satellites to obtain a `fix'. When the unit has obtained a fix (in GPS mode) the display will show the following:
If the GPSPlus display has not been programmed with any navigational data (i.e. waypoints or routes) only the POS key gives useful information.
When a brand new unit is powered up for the first time, or if the unit has moved more than 1500km since it was last powered up, it may take up to an hour to acquire enough satellites for a fix.
Your GPSPlus has the ability to be used with a secondary position fixing device, either a LORAN-C or a DECCA. The unit will initially power-up using its own GPS antenna/receiver unit. Selecting LORAN-C or DECCA receiver will be explained later in this manual. Once selected the GPSPlus will always power-up using the selected receiver.
5
USING THE LIGHTS KEY
The GPSPlus display unit has 3 levels of illumination and off, controlled by the LIGHTS key. It also changes the illumination level of the key legends. The LIGHTS key is always illuminated so even in complete darkness the key can be located.
NOTES ABOUT ENTERING DATA
When a number or name is flashing the STEP knob
can be turned to alter the flashing display, without the need to press any other keys. To select the value that is currently flashing, press the ENTER key.
When in a SETUP mode, if a key has not been pressed
for a period of 30 seconds the SETUP sequence will be exited automatically.
The
STEP
clockwise and decreases values when turned anti­clockwise.
To end any SETUP sequence and return to normal
operation, press any key except ENTER or the
STEP ▲ knob.
knob increases values when turned
LIGHTS 0 OFF
LIGHTS 3 High
LIGHTS 2 Medium
LIGHTS 1 Low
6
y
USING THE POS KEY
Press the POS key to display the following pages:
PAGE 1 PRESENT POSITION
Course Over Ground
Speed Over Ground
UTC or one of the
options described below.
POS key
POS
KTS
Magnetic Legend Knots Legend
The text line at the bottom of the display shows different information depending upon which type of position fixer is being used for positional data. Text display variations are as follows:
HDOP A figure of merit where the lower the number the better the accuracy of the fix (GPS only). This is the normal display when using the GPSPlus system.
GPS Some GPS receivers do not output HDOP data. GPS DIF LORAN-C
Differential GPS. Present position from Loran-C chain.
DECCA Present position from Decca chain. I I Integrated Instruments. GPS DR The unit has not received valid data and is now
using dead reckoning. A speed and heading input are required from the Network System.
PAGE 2 COG, SOG and UTC
FIX
Latitude
Longitude
HDOP or one of the
options described below.
POS ke
POS
Course Over Ground, Speed Over Ground & Universal Time Co-ordinate (UTC has taken over from GMT as the World Standard Time).
The data is displayed (by default) in the following units:
COG in degrees Magnetic (M). User selectable to True (T). SOG in Knots (KTS). User selectable to Miles per Hour
(
) or Kilometres per Hour (KH). The text line can be
MPH
configured to display different time and date information as follows:
LT Local Time, this can be set as required. DATE This can be set as required. UTC/DATE LT/DATE
Alternating display of UTC and Date.
Alternating display of Local Time and Date.
For details about changed the default displays please refer to the Setup section of this manual.
7
r
r
r
r
yMag
y
PAGE 3 PRESENT POSITION, COG AND SOG
NOTE: This information can only be displayed when the
GPSPlus is receiving speed and heading data from an integrated Network System.
PAGE 5 RECEIVER INFORMATION PAGES
One of three different pages will be displayed depending upon the receiver selected. GPS SATELLITE INFORMATION:
Latitude and Longitude of present position on the main display and SOG and COG.
NOTE
: The displayed values for SOG and COG will be in
the same units as selected for the previous page
PAGE 4 CURRENT FLOW
Direction of Cu
SpeedofCu
ent ent
POSke
POS
KTS
neticLegend
Knots Legend
The local influences of sea current on the vessel. Direction of sea current, in degrees Magnetic(M) or True(T). Speed of sea current, in knots ( (
), or miles/hour (
KPH
MPH
).
), kilometres/hour
KTS
Satellite elevation
Signal to noise ratio
Satellite PRN
POS
POS ke
FIX
Satellite azimuth
The selected s atellite and total number of satellit es in v iew
The fifth POS key page displays information about the receiver that has been selected to supply positional data (see SETUPS ON THE GPSPlus to select different receiver inputs).
Data can be displayed about each satellite being tracked by the GPSPlus.
Satellite signal to noise ratio is displayed in dB: the higher the number the better the signal strength.
The satellite number is the satellite transmitted PRN. When the SETUP control knob is turned, information is
displayed about each satellite being tracked.
8
DECCA L.O.P. AND CHAIN INFORMATION:
Turn the Continue turning the
chain or a value in Nautical Miles of uncertainty UNCERT (if output by the Decca receiver) on the LCD text line.
STEP
knob to display more L.O.P. data.
STEP
knob to display the current
LORAN-C T.D. INFORMATION:
The text line displays SOG and COG. If the ENTER key is pressed the identifiers will stop flashing,
press the POS key to make them flash again. Turn the t STEP s knob to display more T.D. pairs.
9
INTRODUCTION TO WAYPOINTS
A "waypoint" is simply a point you wish to go to. It can be an anchorage, a point off a landmark, buoys, harbour entrances or any position at sea. Whatever the waypoint, it is necessary to know its position in latitude and longitude or determine its range and bearing from your present position. This can be taken directly from your chart.
The GPSPlus display can store 250 waypoints in its memory, this is commonly called a waypoint library. The waypoints are given unique numbers, and can also be named, so they can be recalled when required. After a time your waypoint library will contain all your most commonly used navigational points. The waypoints in the library can be edited if required, i.e. copied, named and deleted. This will be necessary if you have used all of the 250 waypoint library locations. Until at least one waypoint has been entered into the GPSPlus library defining a route the advanced navigational features obtained by pressing the NAV key are not available.
ENTERING WAYPOINT DATA
Waypoints can be entered into the waypoint library of the GPSPlus unit in many ways. The following is a list of these methods:
1. Mark facility, one-touch waypoint entry.
2. Entry of waypoint latitude and longitude.
3. Entry of present position as a waypoint.
4. Copying from a library waypoint to another.
5. Entry by range and bearing from another waypoint.
6. Copying or "uploading" from another position fixer.
NAMING WAYPOINTS
It is possible to give any waypoint a name. This could be the charted name of buoys, navigational markers, or any unique name you wish to use. The name must not exceed eight characters in length and can be any combination of letters, numbers, spaces and the symbols <, >, /. All spaces count as characters. For example:
BUOY, <BUOY>, 123/BUOY, B U O Y The following words are reserved for use by the GPSPlus
unit and can not be used as waypoint names:
INSERT DELETE START END
All waypoints can be named before or after their position has been entered. This allows you to generate a list of library names and then at a later date enter the latitude and longitude. The waypoint library can be sorted and listed either numerically (default) from WPT 1 to WPT 250 or alphabetically by name. Setting this feature is explained later.
TRANSFER OF WAYPOINT DATA
It is possible to copy the waypoint library from the GPSPlus display to another or any NMEA device. This is called "downloading". There are two methods which will be explained later. The reverse process, when waypoints are copied from another GPSPlus display is called "uploading".
10
MARK FEATURE - INSTANT WAYPOINTS
The Mark feature allows 20 waypoints to be entered by using a single key, the MARK key. This enables pots, drift nets, and other points of interest along your present course to be instantly memorised. Pressing the MARK key enters your present position as a MARK into a reserved area of the waypoint library. These mark waypoints are automatically allocated the waypoint library names MARK01 to MARK20 and are waypoint numbers
To enter a mark simply press the
The first press will display the waypoint library, the second and further presses enter the MARKS. This can be carried out 20 times.
After all 20 mark library locations have been used the LCD will show
MARKFULL.
WPT 231
to
MARK
WPT 250
key twice.
.
If the Marks are of particular interest then it is good practice to copy them to other waypoint library locations, name them for easy identification, and then erase the original MARK. By erasing the original more MARKs can then be entered, because once the MARK library locations are full no more MARKs can be entered. These procedures are explained in this section of the handbook.
MARKs can be used to define a route. If on a passage you enter MARKs into the library, and then use them in the correct order to define a route, they can be used in reverse to lead the way home. These procedures are explained in USING ROUTES, later in this handbook.
IMPORTANT NOTE
create a route ensure that the MARK latitude and longitude is as you expect. If the MARKs have been erased and then re-entered (by pressing the MARK key) the MARK latitude and longitude will have changed and the route could be entirely different. THIS COULD ENDANGER YOU, YOUR
CREW AND YOUR VESSEL. CHECK BEFORE YOU ENGAGE THE ROUTE.
It is suggested that you use a table to record your MARK waypoints, it will help you identify and record them in the future. The following pages could be copied for this purpose or a table of your own design could be used.
: If MARK waypoints have been used to
Mark waypoints can be used exactly like any other waypoint that you have entered using the methods described in the following pages.
11
MARK NUMBER MARK POSITION MARK REFERENCE MARK INFORMATION
MARK01 [WPT 231]
MARK02 [WPT 232]
MARK03 [WPT 233]
MARK04 [WPT 234]
MARK05 [WPT 235]
MARK06 [WPT 236]
MARK07 [WPT 237]
MARK08 [WPT 238]
MARK09 [WPT 239]
MARK10 [WPT 240]
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
12
MARK NUMBER MARK POSITION MARK REFERENCE MARK INFORMATION
MARK11 [WPT 241]
MARK12 [WPT 242]
MARK13 [WPT 243]
MARK14 [WPT 244]
MARK15 [WPT 245]
MARK16 [WPT 246]
MARK17 [WPT 247]
MARK18 [WPT 248]
MARK19 [WPT 249]
MARK20 [WPT 250]
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
LAT : LONG :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
TIME : DATE :
13
MAN OVERBOARD (MOB) FACILITY
NAV
WPT/MOB
1. Press and Hold the WPT/MOB key for 3
seconds.
POS
5. Press the POS key to display current position in latitude and longitude.
2. The display will flash MANOVER and the internal alarm will sound. Press any key to silence the alarm.
6. Press and hold the MOB/WPT
key for 3 seconds to return to normal operation.
3. The display will now show the range and bearing to the MOB event. This display can also obtained by pressing the NAV key.
WPT
WPT/MOB
7. The MOB event is stored in the waypoint library as WPT 230. This waypoint will not be automatically overwritten by another MOB event, so
4. Press the WPT/MOB key to display the latitude and longitude of the MOB event.
it must be erased from the waypoint library using the waypoint erase facility.
14
VIEWING THE WAYPOINT LIBRARY
Press the WPT/MOB key to the view the waypoint library. If the WPT/MOB key was the last key that was pressed, the display will show
MARK##
moments. The flashing number below the
library location is being viewed (1 to STEP knob the flashing number will change selecting each waypoint library location in turn.
If the library location is empty When a waypoint library location has been used the latitude and longitude of the waypoint in displayed in degrees and minutes. The waypoint "name" will be displayed to the left of the WPT number. If it has no name then a number with a leading "W" will be displayed e.g.
or
MARKFULL
legend indicates which
WPT
250
nOt USEd
W001
for a few
). By turning the
will be displayed.
.
ENTERING AND USING WAYPOINTS
The following pages describe how to use the many waypoint functions in the order they are listed when the SETUP key is pressed. The method of entering and changing data is described in words and diagrams. These will give you an indication of what you might expect to see. B&G reserves the right to change the operation of the instrument without prior notice, so variation may occur.
NOTES ABOUT ENTERING WAYPOINT DATA
When a number or name is flashing the ▼ STEP ▲ knob
can be turned to alter the flashing display, without the need to press any other keys.
When in a SETUP mode, if a key has not been pressed
for a period of 30 seconds the SETUP sequence will be exited automatically.
The STEP knob increases values when turned
clockwise and decreases values when turned anti­clockwise.
To end any SETUP sequence and return to normal
operation, press any key except ENTER or the
STEP knob.
15
ENTERING WAYPOINTS BY LATITUDE AND LONGITUDE
1. Select a point on a chart, determine the latitude and longitude. Press the
WPT/MOB
key.
5. Press the ENTER key. The 10ths and 100ths of MINUTES will flash. Use the
STEP
knob
to change the value.
2. Press the Turn the
SETUP
STEP
to select an empty
key.
knob
WPT
number.
6. Press the ENTER key. The 1000ths of MINUTES will flash. Use the ▼ STEP
knob to change the
value.
3. Press the
ENTER
The DEGREES of latitude will flash. Use the ▼ STEP ▲ knob to change the degrees.
key.
4. Press the
ENTER
key. The MINUTES of latitude will flash. Use the ▼ STEP ▲ knob to change the minutes.
7. Press the ENTER key. The N or S will flash. Use the STEP knob to select N or S.
16
8. Press the
ENTER
key. The DEGREES of longitude will flash. Use the
STEP
knob
to change the degrees.
9. Press the
ENTER
key. The MINUTES of longitude will flash. Use the
STEP
knob
to change the minutes.
10. Press the
ENTER
key. The 10ths and 100ths of MINUTES will flash. Use the
STEP
knob to change the value.
11. Press the
ENTER
key. The 1000ths of MINUTES will flash. Use the
STEP
knob to change the value.
12. Press the
ENTER
key. The W or E will flash. Use the
STEP
knob to
13. Press the
ENTER
The waypoint setting will be stored in the library.
key.
14. Press the
WPT/MOB
key to view the waypoint library.
select W or E.
17
PRESENT POSITION AS A WAYPOINT
Press the
1.
key.
WPT/MOB
Press the
2.
Use the
STEP
to select a
SETUP
WPT
key.
knob
number.
Press the
3.
ENTER
The DEGREES of latitude will flash.
key.
Press the
4.
POS
key, the present position is now entered into the selected library location.
18
ENTERING A WAYPOINT NAME
1. Press the WPT/MOB
key. Use the STEP knob to view the waypoint library.
2. Press the SETUP key twice. The display will show NAME WPT ##. Use the
STEP
select a
WPT
knob to
number.
3. Press the ENTER key. The first character will start flashing. Use the
STEP
knob to change the
character.
4. Press the ENTER key to accept the displayed character and advance to the next.
5. Repeat stages 3 and 4 until all characters have been entered, including blanks.
6. When the last character has been entered the display will return to NAME WPT ##.
7. Entry of waypoint latitude and longitude (if required) can be carried out as previously explained.
19
COPYING FROM WAYPOINT TO WAYPOINT
1. Press the WPT/MOB key. Use the STEP knob to select the target WPT number (or name).
5. Press the
ENTER
key to copy the waypoint to the library location. The display will show
WAYPT
.
COPY A
2. Press the SETUP key 3 times. The display will show COPY A WAYPT.
6. Press the
WPT/MOB
key. The display will show you the "new" waypoint.
3. Press the ENTER key. Use the STEP knob to select the waypoint to be copied. The waypoint number and name will be displayed.
4. Press the ENTER key. Use the STEP knob to select the target waypoint. The waypoint number and name will be displayed.
20
SORTING THE WAYPOINT LIBRARY
Press the
1.
key.
WPT/MOB
Press the
2.
SETUP
key 4 times. The display will show WP BY NUMBER.
Press the
3.
ENTER
key. The display will flash NUMBER.
Press the
4.
ENTER
key to
memorise the selection.
Use the
STEP
knob to select the sorting method.
21
ENTERING WAYPOINT BY RANGE AND BEARING FROM PRESENT POSITION
1. Press the WPT/MOB key.
Use the STEP knob to view the waypoint library.
2. Press the SETUP key 5 times. The display will show WPT### BY RB. Use the
STEP
number.
WPT
knob to select a
3. Press the ENTER key.
The range in nautical miles will flash. Use the ▼STEP▲ knob to enter the range from
0.01 to 9.99nM.
4. Press the ENTER key. The bearing in degrees will flash. Use the ▼ STEP ▲ knob to enter the bearing from 000° to 359°.
5. Use the ▼ STEP ▲ knob to select a waypoint (from the library) to calculate the range and bearing from. For example used.
22
BUOY WPT 1
is
6. Use the ▼ STEP ▲ knob to select a waypoint library location for the new waypoint. Press the ENTER key to memorise the new range and bearing.
7. Press the WPT/MOB key twice to display the latitude and longitude of the waypoint. The waypoint can be named if required.
ERASING A WAYPOINT FROM THE LIBRARY
1. Press the WPT/MOB key.
2. Press the SETUP key six times, the display shows
ERASE
.
Use the STEP knob to select the waypoint. If the waypoints have names these will be displayed.
3. Press the ENTER key. YES will flash.
Use the to select
NO
to select another
STEP
to erase or
YES
knob
waypoint.
4. Press the ENTER key to erase the selected waypoint (when
YES
is displayed). If the knob is turned another waypoint can be selected for erasure, or press the WPT/MOB key to return to the library.
23
OTHER WAYPOINT SETUPS
The SETUP button has other waypoint facilities beyond the Waypoint Erase function. Three more waypoint functions are available as follows:
1. DOWNLOAD WPT
2. UPLOAD WPTS
3. NET DOWNLOAD
These functions are used when transferring waypoint data between other GPSPlus units and NMEA devices. They are described in the GPSPlus Interfacing section of this handbook.
24
INTRODUCTION TO ROUTES
A "route" (sometimes called a sailplan) is simply a list of waypoints in the order that you intend to travel along them. It is made up of "legs", where a leg is the passage from one waypoint to another. You can have up to 10 routes stored in the GPSPlus and up to 40 waypoints in each route.
A route is defined leg by leg by recalling waypoints from the waypoint library and storing them in the route. It is important to remember that a leg is a straight line drawn between two waypoints, it does not recognise any obstruction in the way such as land, shallow water, wrecks, or other vessels. When planning your route take careful note of any navigational obstructions, including high and low water marks.
It is possible to select the direction of travel along your route, either forward or reverse and then miss out a complete leg if required. This will be explained later in the Navigation With GPSPlus section of this handbook.
VIEWING THE ROUTE LIBRARY
Press the When the
listed by number from 1 to 10 as USED or nOt USEd depending upon the current state.
If the text line of the LCD shows
is a number from 1 to
### ### has been erased from the waypoint library and
therefore the route is now invalid. To overcome this either redefine the route without the waypoint, or re-enter the erased waypoint.
Below is a diagram of a simple route that will be used in this section to demonstrate the use of the GPSPlus route facilities.
ROUTE
STEP
key. Turn the
knob is turned the ten routes will be
NULL WPT ###
, it indicates that waypoint
250)
STEP
knob.
, (where
26
DIAGRAM SHOWING A SIMPLE ROUTE
LISTING THE WAYPOINTS OF A STORED ROUTE
A simple table as shown below can be very helpful when planning a route. The latitude and longitude of each waypoint could be added if required.
ROUTE LEG FROM TO
LEG 0 PPOS,
present position LEG 1 MOORING BUOY LEG 2 BUOY FISHING
MOORING
Press the ROUTE key and turn the ▼ STEP ▲ knob to view the route library. The first and last waypoint name or numbers are displayed on the text line.
Press the SETUP key and turn the ▼ STEP ▲ knob to list the route LEG by LEG.
27
ROUTE PLANNING PAGE WAYPOINT TO WAYPOINT RANGE AND BEARING
The GPSPlus display PLANNING PAGE allows the range and bearing to be calculated between any two, library waypoints. This facility is very useful when planning a route.
1. Press the ROUTE key until the display shows
PLANNING PAGE, FROM
and TO will be showing on the text display.
FROM
will
flash.
2. Turn the STEP knob to cycle through the waypoints in the library until the desired waypoint is displayed e.g. BUOY. Press the
ENTER
key to select the displayed waypoint. TO will now flash.
3. Turn the STEP knob to select the other waypoint from the library e.g. FISHIN. Press the ENTER key to select the displayed waypoint.
4. The display will now show the inter-waypoint range and bearing. The waypoint name or number will continue to flash so that other selections can be made.
28
DEFINING A ROUTE
The route in the diagram on the previous page is used in the following example.
When the waypoint library has been set to sort by name, the display will only show the first six characters of any named waypoint. If the waypoints in your library have not been named then the waypoint number will be shown e.g.
W001
. When sort by number is selected then the WP number is displayed.
1. Press the ROUTE key. Select a route to define using the
STEP
knob.
2. Press the SETUP key to begin route entry. END will flash. When the right side of the text display is flashing, waypoints can be
3. Turn the ▼ STEP ▲ knob to cycle through the waypoints in the library until the desired waypoint is displayed e.g.
MOORIN
.
4. Press the ENTER key to select the displayed waypoint. The selected waypoint will now appear
on the left of the display. selected from the library. The start of a route is always from your present position PPOS.
29
5. Turn the STEP to select the next waypoint,
BUOY
.
6. Press the ENTER key to accept waypoint BUOY into the route.
7. Turn the STEP to select the next waypoint,
FISHIN
. This waypoint is the last waypoint in this route.
8. Press the ENTER to select FISHIN into the route. END will flash.
9. Press the ENTER key again to complete the route definition.
10. Press the ROUTE key, the display will now show ROUTE 1, USED, and the start and end waypoints.
30
EDITING A STORED ROUTE
Any stored route in the route library can be edited. Waypoints can be inserted into or deleted from any leg of your defined route, or simply added on to the end. There is also facility to delete the entire route from the route library. If all the waypoints are deleted the route will be listed as nOt
USEd
when the route library is viewed.
To edit a leg of a route proceed as follows:
INSERTING AND DELETING WAYPOINTS IN A ROUTE
1. Press the ROUTE key until ROUTE # is displayed. Select the route to be edited from the route library with the
STEP
2. Press the
knob.
SETUP
key and turn the
STEP
knob to
list the route leg by leg.
3. When the leg to be edited is displayed press the
ENTER
key.
4. The waypoint name or number will now flash.
5. Turn the STEP knob until the word INSERT or DELETE is displayed.
6. Press the enter key to INSERT or DELETE a waypoint.
7. If DELETE has been selected the displayed waypoint is immediately deleted, so you must be sure! The number of legs will now have decreased by one.
8. If INSERT has been selected the STEP knob allows the waypoint library to be listed (see DEFINING A ROUTE). Press the ENTER key to select the waypoint to be inserted. The number of legs will now have increased by one.
ADDING WAYPOINTS TO THE END OF A ROUTE
1. Press the ROUTE key until ROUTE # is displayed. Select the route to be edited from the route library with the
STEP
2. Turn the
STEP
knob. Press the
knob until
SETUP
is shown on the
END
key.
right of the text display.
3. Press the ENTER key, END will now flash.
4. Turn the STEP knob to cycle through the waypoint library until the desired waypoint is displayed.
5. Press the
will continue to flash, allowing more waypoints to
END
ENTER
key to select the displayed waypoint.
be added if required.
6. Press the ENTER key again to end route editing.
DELETING ROUTES FROM THE ROUTE LIBRARY
1. Press the ROUTE key until ROUTE # is displayed.
2. Press the SETUP key twice. The display will show ERASE, and ROUTE #. The route number will flash.
3. Turn the STEP knob to cycle through the route library until the desired route is displayed.
4. Press the
5. Turn the
ENTER
STEP
key, the display will flash YES.
knob to change the display to NO if
you change your mind.
6. Press the ENTER key when YES is displayed to delete the route. A DELETED ROUTE CANNOT BE UN-
DELETED.
31
OTHER ROUTE SETUPS
The SETUP key has another function beyond the Route Erase function. This function, ROUTE DOWNLOAD, is described in the GPSPlus Interfacing section of this handbook.
32
NAVIGATION WITH GPS
The
key is used to give navigational information from
NAV
PLUS
your present position to a specific waypoint, the "target" waypoint. The target waypoint could be any waypoint in the waypoint library or a waypoint that makes up one the legs of a pre-defined route.
It is necessary to select a waypoint or a route before the GPSPlus unit can calculate the data. The target waypoint can be changed at any time so NAV information is available about any waypoint in the library.
The following navigational information is available when a target waypoint has been selected:
Location of waypoint
Waypoint identity (ID)
Bearing and distance from present position to
waypoint
Course to steer (CTS)
Cross track error (XTE)
Course over ground (COG)
Speed over ground (SOG)
Time to go (TTG)
Velocity made good (VMG)
Estimated time of arrival (ETA)
Bearings can be displayed in degrees with reference to True or Magnetic North and distances can be displayed in Nautical Miles, Statute Miles or Kilometres. The calculated values can be Rhumb Line or Great Circle.
the waypoints are used. NOTES: If when a route is selected or when following a
route the display shows the message NAV FAULT, it means that the target waypoints of the route have been deleted from the GPSPlus waypoint library. To overcome this problem either redefine the route or re-enter the deleted waypoint(s).
When following a route the GPSPlus will continue to display navigational data after the vessel has passed the final waypoint. The information will be based on the last waypoint until another waypoint or route is selected. The displayed value for cross track error (XTE) is based on an extended line of the previous track.
When the GPSPlus is used in combination with a Network PILOT that has NMEA data being supplied to the PILOT Display via its NMEA interface, the NAV key allows the GPSPlus to select the PILOT NMEA data for calculation of the displayed navigational data.
IMPORTANT NOTE:
If MARK waypoints have been used to create a route ensure that the MARK latitude and longitude is as you expect. If the MARKs have been erased and then re-entered (by pressing the MARK key) the MARK latitude and longitude will have changed and the route could be entirely different. THIS COULD ENDANGER YOU, YOUR
CREW AND YOUR VESSEL. CHECK BEFORE YOU ENGAGE THE ROUTE.
The
key is also used to select the direction of the
NAV
route, either forwards or reverse. This is the order in which
33
SELECTING OR CHANGING THE TARGET WAYPOINT OR ROUTE
1. Press the NAV key. If the unit is not already NAVing,
nO PLAn
will be displayed. The text display will invite you to press
SETUP
.
2. Press the SETUP key, the display will flash either
NO PLAN
, or one of the
displays shown in 3.
3. Use the ▼ STEP ▲ knob to select the waypoint or the route to be used for navigation. The direction of the route is also selected by choosing
4. Press the ENTER key to memorise the selection. Pressing the
NAV
key will now display navigational information.
ROUTE # FWD or ROUTE # REV (when NMEA data
is available via the Network PILOT, PILOT NMEA is also displayed).
34
DISPLAYING THE NAV PAGES
Press the NAV key to display the following pages of navigational data:
PAGE 1 SELECTED NAV DATA
One of three different pages will be displayed depending upon whether a waypoint, route or Pilot NMEA data is being used for NAV functions.
WAYPOINT SELECTED - POINt SELECtEd
This is the name or number of the target waypoint selected for NAV functions.
ROUTE SELECTED - USING ROUTE #
When a route has been selected from the route library the display will show which route is selected, the direction of travel along the route and the current leg.
PILOT NMEA INPUT - USING PILOT NMEA INPUT
When NMEA data is being supplied via the NMEA interface of the Network PILOT display unit from a Chart Plotter the GPSPlus display will let you know.
35
PAGE 2 BEARING AND DISTANCE
PAGE 4 BEARING, XTE, TTG AND VMG
Bearing (brG) and Distance from present position to the target waypoint. Bearing is displayed in degrees Magnetic (M) and distance is displayed in nautical miles (nM) by default.
PAGE 3 BEARING, DISTANCE, XTE, SOG AND COG
Bearing to target waypoint. Cross track error, alternating with direction to steer. Speed Over Ground and Course Over Ground, alternating with Distance to target waypoint.
Bearing to target waypoint. Cross track error, alternating with direction to steer. Time To Go (TTG) in hours and minutes, alternating with Velocity Made Good (VMG) to target waypoint.
PAGE 5 CTS, XTE AND DISTANCE
CTS Course to steer to target waypoint. Cross track error, alternating with direction to steer. DIST Distance to the target waypoint in nautical miles.
36
PAGE 6 ESTIMATED TIME OF ARRIVAL
PAGE 7 LATITUDE AND LONGITUDE OF TARGET
WAYPOINT SELECTED EtA POINT Estimated time of arrival at the target waypoint
in hours and minutes. The date, month and year are displayed on the bottom line.
ROUTE SELECTED EtA END Estimated time of arrival at the last waypoint of
the route in hours and minutes. The date, month and year are displayed on the bottom line.
Latitude and Longitude of target waypoint. The target waypoint name or number is shown on the text display.
37
CHANGING THE CURRENT LEG OF A ROUTE
The GPSPlus allows any leg of the selected route to be missed or skipped over so that the route can be changed without inserting or deleting any waypoints. Once a route has been selected proceed as follows:
1. Press the NAV key. The display will show the last NAV page displayed.
2. Press the SETUP key three times. The display will show the current leg number of the selected route, e.g.
CURNT LEG 0
.
3. Press the ENTER key, the leg number will flash. Use the STEP knob to select a different leg number.
4. Press the ENTER key to memorise the selection. The NAV key will now display information about the new leg
38
INTRODUCTION TO SETUPS ON THE GPSPLUS
The GPSPlus has many parameters that can be set if the user wishes, some of these are alarms. The sequence for adjusting or setting these parameters and alarms is similar in every case, only the displayed information is different.
The SETUPs are arranged in a continuous list that you can cycle through using the SETUP key. For a full description of each SETUP with its selectable parameters please refer to the table at the end of this section.
A short cut method allows you to start cycling through the list from a different entry point determined by the
POS
display. The following list illustrates this principle.
With this POS page displayed the SETUP list starts from
INPUT
INPUT AUTO ADV RADIUS ANCHOR AL HDOP ALRM CROSS TRK ZONE # AL DATUM USER DATUM
With this POS page displayed the SETUP list starts from DISPLAY
DISPLAY LOCAL TIM DATE
With this POS page displayed the starts from
BEARINGS
SETUP
list
BEARINGS AUTO MAG VAR DISTANCE COG SOG BEARINGS LANGUAGE
With this POS page displayed the starts from
OUTPUT
SETUP
list
OUTPUT C / SUMS TYPE PRESENT POSITION CONTRAST
39
SELECTING THE RECEIVER INPUT TYPE
If your GPSPlus system has a LORAN-C or DECCA receiver, connected to the second receiver socket on the rear of the unit, this can be selected to give positional information. All of the features and functions of the GPSPlus can be used with any of the receivers. This allows you to select a different position fixer if one becomes unreliable, or to compare accuracy of position.
1. Press the
POS
key so
HDOP
is displayed on the text
line.
2. Press the SETUP key. The display will show the current
INPUT
device.
SEtUP InPUt
GPS
WAYPOINT ARRIVAL ALARM
The waypoint arrival alarm is always active, i.e. it CANNOT be disabled. It is used in conjunction with the auto advance function. The auto advance function is used to automatically select the next waypoint in a route or sailplan. The waypoint arrival alarm is triggered when the vessel is within a preset radius around the target waypoint. The alarm is triggered in two ways.
1. When the vessel arrives at the target waypoint within the radius set for the auto advance function the display will sound its alarm and flash ARRIVED. Other Network units will also sound their alarms.
3. Press the
STEP ▲ knob to change the INPUT device,
ENTER
key
will now flash. Use the
GPS
LORAN-C, DECCA.
4. Press the ENTER key to memorise the new setting.
5. After 30 seconds the display will return to present position or press the POS key to return instantly.
40
WAYPOINT ARRIVAL CONT...
When the vessel DOES NOT arrive at the target waypoint
2.
within the set radius for auto advance, BUT crosses an imaginary line drawn through the waypoint perpendicular to the rhumb-line between waypoints, the display will sound its alarm and flash CROSSING. Other Network units will also sound their alarms.
The action taken when the alarm is activated depends on the AUTO ADVance status:
If AUTO ADVance is ON, the next waypoint in the route is used when the vessel arrives or crosses the waypoint as described above. When this occurs the alarm will sound and the display flashes for five seconds, then the next waypoint in the route will be automatically selected.
If AUTO ADVance is OFF, the next waypoint in the route is used only when a key is pressed to silence the waypoint arrival or crossing alarm. The alarm will sound and the display flash until a key is pressed, then the next waypoint in the route will be selected.
NOTE
autopilot will not steer to the next waypoint until instructed to do so by the helmsman. This is a safety feature. Refer to the Steering to NMEA section of the PILOT owners manual.
SETTING AUTO ADVance FEATURE
1. Press the POS key.
2. Press the SETUP key until AUTO ADV is displayed.
: When steering the boat with a Network PILOT, the
SEtUP AUtO ADV OFF
41
WAYPOINT ARRIVAL CONT...
3. Press the ENTER key, OFF will now flash.
4. Use the STEP knob to select ON or OFF. NOTE: The AUTO ADV feature is factory set to OFF.
5. Press the ENTER key to memorise your setting.
SETTING AUTO ADVance rADIUS
(If you have not previously done so, press the POS key.)
1. Press the SETUP key until rADIUS is displayed.
SEtUP rADIUS
ANCHOR ALARM
Although the name of this alarm implies use when at anchor it can be used to alert when drifting away from any specific point or waypoint.
The anchor alarm sets a circle of a specific radius around a point. The latitude and longitude of the point is determined by your position when the alarm is selected to ON. If the boat should drift OUTSIDE the predetermined radius the alarm will sound.
Press any key to silence the alarm.
0.10NM
2. Press the ENTER key, the value will now flash.
3. Use the STEP knob to alter the value in the range
0.01 to 9.99NM. NOTES: The rAdIUS value is factory set to 0.10NM. If Statute Miles or Kilometres have been selected the value will be displayed in the appropriate units.
4. Press the
ENTER
key to memorise your setting.
In the example above, the vessel can drift anywhere in the shaded area determined by the alarm radius. When the vessel moves from point A to point B the alarm will sound.
42
SETTING THE ANCHOR ALARM
1. Press the POS key.
2. Press the SETUP key until AnCHOr AL is displayed.
SEtUP AnCHOr AL OFF
3. Press the
ENTER
anchor alarm radius.
4. Use the STEP knob to alter the value in the range
0.01 to 9.99NM. NOTE: The value is factory set to 1.00NM. Due to external factors this alarm may not be reliable below
0.05NM. The value will be displayed in Statute Miles or Kilometres if those units have been selected.
5. Press the ENTER key to memorise your setting. The
display will now flash the current alarm state.
6. Use the STEP knob to select ON or OFF.
NOTE: The anchor alarm is factory set to OFF.
7. Press the ENTER key to memorise your setting.
key, the display will flash the current
HDOP ALARM
As in all radio navigation systems, the accuracy is affected by the geometry of the situation. Probably the most familiar examples of this today is the practice of avoiding "small crossing angles" in Loran-C or Decca lines of position (LOP). These hyperbolic systems operate with fixed site transmitters so the angles are constant at any particular location. GPS uses moving transmitters (satellites) and therefore the geometry or crossing angles are constantly changing. In 2-dimensional GPS navigation, the lines of position are moving circles on the Earth’s surface that are, at all points, equidistant from a satellite. The effects of geometry on accuracy can be summarized in a single number, called the Horizontal Dilution of Precision (HDOP).
The accuracy obtainable from a particular set of satellites is equal to the pseudo-range measurements multiplied by the HDOP. In order to avoid extra-ordinary errors due to short periods of very poor geometry the GPSPlus software will not use satellite constellations with an HDOP higher than twelve. The HDOP alarm allows you to be alerted when the HDOP value becomes larger than a preset value (up to 12).
To change the alarm state without adjusting the radius, miss out step 4.
43
GOOD SATELLITE GEOMETRY - LOW HDOP (<12)
BAD SATELLITE GEOMETRY - HIGH HDOP (>12)
SETTING THE HDOP ALARM
1. Press the POS key.
2. Press the SETUP key until HDOP ALrM is displayed.
3. Press the ENTER key, the display will flash the current HDOP alarm limit.
4. Use the
STEP
knob to alter the limit in the range
0.1 to 12.0. NOTE: The value is factory set to 4.0.
5. Press the ENTER key to memorise your setting. The display will now flash the current alarm state.
6. Use the STEP knob to select ON or OFF.
NOTE: The HDOP alarm is factory set to OFF.
7. Press the ENTER key to memorise your setting.
To change the alarm state without adjusting the limit, miss out step 4.
44
CROSS TRACK ALARM
The Cross Track Error Alarm is triggered when the vessel strays to the left or right of the course line drawn between the last waypoint and the next waypoint in a route by more than a preset distance, in other words, if the Cross Track Error (XTE) value is larger than the value set.
SETTING THE CROSS TRACK ERROR (XTE) ALARM
1. Press the POS key.
2. Press the SETUP key until CrOSS trK is displayed.
SEtUP CrOSS trK OFF
3. Press the ENTER key, the display will flash the current cross track error alarm limits.
4. Use the STEP knob to alter the value in the range
0.01 to 9.99NM.
NOTE: The value is factory set to 1.00NM. The value will be displayed in Statute Miles or Kilometres if those units have been selected.
5. Press the ENTER key to memorise your setting. The display will now flash the current alarm state.
6. Use the ▼ STEP ▲ knob to select ON or OFF.
NOTE: The waypoint zone alarm is factory set to OFF.
7. Press the
ENTER
key to memorise your setting.
To change the alarm state without adjusting the limits, miss out step 4.
45
WAYPOINT ZONE ALARM
The zone alarm sets a circle of a specific radius around any waypoint. If the boat should drift INTO the predetermined radius the alarm will sound. This is very useful when attempting to remain near to a specific waypoint but without getting too close, for example, a wreck particularly good for fish. The GPSPlus display allows ten zone alarms to be set. These could be used to create a barrier or exclusion zone as shown in the example below. Press any key to silence the alarm.
SETTING THE ZONE ALARM
1. Press the
2. Press the Use the ▼ STEP ▲ knob to select the ZONE to be set up.
key.
POS
SETUP
key until
ZONE 0 AL
is displayed.
SEtUP ZONE 0 AL OFF
3. Press the ENTER key, the display will flash the WPT number. Select any waypoint from the waypoint library with the STEP knob. Marks can be used.
4. Press the ENTER key, the display will flash the zone alarm radius. Use the in the range 0.01 to 9.99NM. factory set to 1.00NM. The value will be displayed in Statute Miles or Kilometres if those units have been selected.
STEP
knob to alter the value
NOTE
: The value is
5. Press the ENTER key to memorise your setting. The display will now flash the current alarm state.
6. Use the STEP knob to select ON or OFF.
NOTE: The zone alarm is factory set to OFF.
7. Press the
Repeat the above stages for each waypoint zone.
ENTER
key to memorise your setting.
46
NETWORK SYSTEM ALARMS
The GPSPlus display has an internal buzzer that will sound when an alarm condition is met on a Network unit that has alarm functions: Network DEPTH and Network QUAD for depth alarms and Network PILOT for Watch Alarm and Off Course alarms. The unit will also display which alarm is activated.
To silence the internal alarm and return the display to normal operation press any of the keys.
DEPTH ALARM DISPLAY
Depth alarms can be set for the following depth conditions:
Shallow water
Deep water
Anchor Watch
Check your Network DEPTH or QUAD unit to see which alarm is activated.
NETWORK PILOT ALARM DISPLAYS WATCH ALARM
The Watch Alarm is a count-down timer with is activated at the end of the preset count-down period. The display alternates between the messages above.
OFF COURSE ALARM
The Off Course alarm is activated when the boat deviates off course by a preset amount. The display alternates between the messages above.
47
SETTING THE CHART DATUM
The chart datum can be obtained from the navigational chart you are using.
1. Press the
2. Press the
POS SETUP
key.
key until
dAtUM
is displayed.
SEtUP dAtUM
WGS 84
3. Press the now flash.
4. Use the datum. Refer to the datum list at the end of this manual.
NOTE: For user defined chart offsets select USER
ENTERED
5. Press the
ENTER
STEP
.
ENTER
key, the displayed chart datum will
knob to select the required chart
key to memorise your setting.
SETTING A USER DATUM
This is a user entered latitude and longitude offset obtained from some charts.
NOTE: Before USER DATUM can be used USER ENTERED must be selected as DATUM, see previous section.
1. Press the POS key.
2. Press the SETUP key until USER DATUM is displayed.
SEtUP
USER DATUM
3. Press the
ENTER
key, the display will now flash.
00.000N
00.000E
USER DATUM
4. Use the STEP knob and the ENTER key to enter the required offset.
5. Press the
ENTER
key to memorise your setting.
48
SELECTING NMEA OUTPUT SENTENCES
The setting allows the NMEA output sentences to be selected as ON (transmitted) or OFF (not transmitted). It is important that when interfacing with other NMEA devices that the correct sentences are selected to ON. Initially all sentences are OFF except RMB and RMC. Refer to GPSPlus Interfacing for more information.
1. Press the POS key.
2. Press the SETUP key until OUtPUt is displayed. The NMEA sentence mnemonic will flash.
SEtUP OUtPUt
APB - OFF
3. Use the ▼ STEP ▲ knob to view the list of NMEA sentences and the current status (ON or OFF).
4. Press the ENTER key when the display shows the required NMEA sentence mnemonic, ON or OFF will now flash.
5. Use the ▼ STEP ▲ knob to change the status.
6. Press the ENTER key to memorise your setting.
NMEA CHECKSUMS
NMEA Output checksum: some older systems (e.g. Hercules 390) do not accept this checksum data, so this setup may need to be turned off.
1. Press the
2. Press the SETUP key until C / SUMS is displayed. The current status is displayed. The checksum is ON by default.
POS
key.
SEtUP
C / SUMS ON
3. Press the ENTER key, the C / SUMS status ON/OFF will now flash.
4. Use the
5. Press the
STEP
ENTER
knob to select the required status.
key to memorise your setting.
49
DISPLAY TYPE
The unit can be set to run an internal demonstration program, useful for learning to operate the instrument.
1. Press the POS key.
2. Press the
SETUP
key until
tYPE
is displayed.
SEtUP tYPE
NORMAL
3. Press the
4. Use the
5. Press the
STEP
ENTER
ENTER
key, the display will now flash.
knob to select
key to memorise your setting.
NORMAL
or
DEMO
.
50
PRESENT POSITION
This allows the user to input present position in degrees of latitude and longitude. It is only required for some LORAN-C and DECCA receivers or when using the unit in DR mode.
Enter degrees of latitude and longitude
1. Press the POS key.
2. Press the SETUP key until PRESENT POSITION is displayed.
SEtUP PRESEnt
POSITION
3. Press the
4. Use the
the present position in degrees of Latitude and Longitude.
ENTER
STEP
key, the display will now flash.
knob and the
ENTER
key to enter
DISPLAY CONTRAST
The contrast control can improve the display clarity. Experiment to obtain the clearest display. The default setting is 2.
1. Press the
2. Press the SETUP key until CONTRAST is displayed.
POS
key.
SEtUP
CONTRAST 2
3. Press the ENTER key, the display contrast value will now flash.
4. Use the level in the range 0 to 3.
5. Press the ENTER key to memorise your setting.
STEP
knob to select the required contrast
0°00.000N 0°00.000E
POSITION
5. Press the
ENTER
key to memorise your setting.
51
TIME/DATE INFORMATION
The text line of the LCD can display different combinations of time and date information:
UTC LT - Local time, user set DATE - Day, date, month and year UTC/DATE - Alternating display LT/DATE - Alternating display
1. Press the
2. Press the
POS SETUP
- Universal time coordinate
key.
key until
dISPLAY
is displayed.
SEtUP dISPLAY
UTC
SETTING LOCAL TIME
The local time display can be corrected for the current time zone.
1. Press the POS key.
2. Press the SETUP key until LOCAL tIM is displayed.
SEtUP LOCAL tIM
08-00
3. Press the ENTER key, the time in hours will now flash.
4. Use the STEP knob to adjust the hours.
5. Press the ENTER key. The time in minutes will now
flash.
3. Press the now flash.
4. Use the date format.
5. Press the
ENTER
STEP
key, the display time and date line will
ENTER
knob to select the required time and
key to memorise your setting.
6. Use the STEP knob to adjust the minutes.
7. Press the ENTER key to memorise your setting.
52
SETTING THE DATE
This setting allows the correct Day, Date, Month and Year to be entered into the memory.
1. Press the POS key.
2. Press the SETUP key until dAte is displayed.
SEtUP dAtE
TUE 18 APR 95
3. Press the ENTER key. The displayed date will now
flash.
4. Use the ▼ STEP ▲ knob to select the required date.
5. Press the ENTER key. The month will now flash.
6. Use the STEP knob to select the required month.
7. Press the ENTER key. The year will now flash.
SETTING MAGNETIC OR TRUE BEARINGS
All bearings are displayed in degrees selected, Magnetic (M) or True (T).
1. Press the POS key.
2. Press the SETUP key until bEArInGS is displayed.
SEtUP bEArInGS
MAGNETIC
3. Press the ENTER key, magnetic or true will now flash.
4. Use the
5. Press the
STEP
ENTER
knob to adjust the setting.
key to memorise your setting.
8. Use the
9. Press the
NOTE: The GPSPlus will work out the day automatically.
STEP
ENTER
knob to select the required year.
key to memorise the settings.
53
MAGNETIC VARIATION
The magnetic variation is calculated by the unit when in AUTO, however the value can be EntErEd if required.
1. Press the
2. Press the current mode will also be displayed. By default this is
AUTO,
the bottom line
the calculated magnetic variation is displayed on
key.
POS
SETUP
key until
MAG VAR
is displayed. The
SEtUP AUTO
MAG VAR 0°W
3. Press the ENTER key, the AUTO display will now flash.
4. Use the STEP knob change from AUTO to
EnTEREd
5. Use the ▼ STEP ▲ knob to enter the magnetic variation in degrees from 0° to 180°. Press the ENTER key.
6. Use the t STEP s knob to enter W for West or E for East.
7. Press the ENTER key to memorise the setting.
. Press the
ENTER
key.
DISTANCE UNITS
All distances are displayed in the units selected, either NM ­Nautical Miles, M - Statute Miles or K - Kilometres. The default setting is
1. Press the POS key.
2. Press the SETUP key until dIStAnCE is displayed. The current units will also be displayed.
- Nautical Miles.
NM
SEtUP dIStAnCE
NAUTICAL
3. Press the
4. Use the
5. Press the ENTER key to memorise the setting.
ENTER
STEP
key, the display will now flash.
knob change the distance units.
54
COG AND SOG DAMPING
This is the damping factor applied to Speed and Course Over the Ground. When set to AUTO more damping is applied when SOG is low, to prevent display jitter.
1. Press the POS key.
2. Press the SETUP key until COG SOG is displayed. The setting for damping will also be displayed.
SEtUP COG SOG
DAMPING OFF
3. Press the
4. Use the STEP knob change the damping.
5. Press the ENTER key to memorise the setting.
ENTER
key, the display will now flash.
CALCULATION METHOD FOR BEARINGS
This setup is the method used by the unit to calculate bearing and distance in NAV mode. The unit can be set to use either Rhumb Line or Great Circle. Select the one most suitable for your navigational needs.
1. Press the
2. Press the current setting will also be displayed.
key.
POS
SETUP
key until
bEArInGS
is displayed. The
SEtUP bEArInGS
RHUMB LINE
3. Press the ENTER key, the display will now flash.
4. Use the
5. Press the
STEP
ENTER
knob change the setting.
key to memorise the setting.
55
CHANGING THE DISPLAY LANGUAGE
Changes the display language format from English to French. All displays will be in the language selected. By default the setting is English.
1. Press the
2. Press the The current setting will also be displayed.
key.
POS
SETUP
key until
LANGUAGE
is displayed.
SEtUP LANGUAGE
ENGLISH
3. Press the ENTER key, the display will now flash.
4. Use the STEP knob to change the setting.
5. Press the ENTER key to memorise the setting.
56
MULTIPLE GPS
PLUS
DISPLAY INSTALLATIONS
Installations with two or more GPS select which GPS
plus
GPS
displays and GPS antenna are powered up the
plus
display will receive the data. When the
plus
displays fitted must
display should show the following:
If the above is not shown then press the SETUP key until the following is displayed:
Press the Turn the
STEP
ENTER
key, the display will now show
nOt USEd.
knob. If the GPS has not yet locked onto the position then nOt USEd will remain. If the GPS has locked then nOt USEd will be replaced with the Latitude and Longitude.
Press the ENTER key to memorise the selection. Press the POS key to return to the position page.
57
TRANSFERRING WAYPOINT DATA
Up to four GPSPlus displays can be connected into a Network System. This allows multiple NMEA receivers to be used (remember that a single GPSPlus display allows two NMEA receivers to be connected). To enable GPSPlus displays to co-exist on the same network most of the setups are common and the waypoint and route libraries must be identical.
When another GPSPlus display is added the data is usually transferred automatically via the system network cables. Occasionally automatic data transfer is unsuccessful and it is necessary to manually initiate the transfer of waypoint and route library data from one unit to the other. Data transferred to other NMEA devices (not GPSPlus displays) is always initiated manually.
The copying of data, whether between GPSPlus displays or other NMEA devices, is called Uploading or Downloading depending on the direction of the data transfer.
DOWNLOADING
There are two methods of Downloading:
2. Downloading Via NMEA Interface
Waypoint data can also be transferred to other NMEA devices. This is accomplished via the GPSPlus display NMEA interface cable. The waypoints to be downloaded are selected one by one, and then transferred as a complete block of data in an NMEA sentence $IIWPL.
UPLOADING
Uploading of waypoints is accomplished via the secondary NMEA device socket (on the rear case of the GPSPlus display) and cable directly from the position fixer selected. All waypoints are transferred until the ENTER key is pressed to terminate uploading.
The following procedures accomplish data transfer.
1. Downloading Via B&G Network This is when data is copied between GPSPlus displays via the B&G Network.
58
DOWNLOADING VIA B&G NETWORK
When downloading in this manner the waypoints are transferred via the B&G Network interconnecting cables as Network data. The waypoints are downloaded as one complete block of data.
When downloading in this manner it is necessary to use a special NMEA output cable (part number 610-OA-038) available from your dealer. This cable is connected to the secondary NMEA device socket of the GPSPlus display unit. The waypoints to be downloaded are selected one by one.
1. Press the
2. Press the
WPT/MOB SETUP
key.
key nine times. The display will show:
SEtUP NET DOWNLOAD
3. Press the ENTER key. The display will show:
SEtUP SENDING 250
The number of waypoints downloading will be displayed counting down from 250.
NOTE: This method of transfer will automatically terminate when all waypoint data has been copied or when a waypoint with the same name as another already in the waypoint library is received. It is possible that the GPSPlus will display
DATABASE FAULT
<name/number>
. This indicates that there are two different
and
WAYPOINT
waypoints with the same number. Erase or copy one of the waypoints to another (unused) library location if this occurs. DOWNLOADING VIA NMEA INTERFACE
1. Press the WPT/MOB key.
2. Press the SETUP key seven times. The display will show:
SEtUP DOWNLOAD WPT
3. Press the
ENTER
key. The display will show:
SEtUP dLOAd WPT
The name of a waypoint for downloading will be displayed and the WPT number will be flashing.
4. Use the STEP knob to select a waypoint.
5. Press the
ENTER
key to download the displayed
waypoint.
6. Repeat 4 and 5 until all the waypoints are transferred.
59
UPLOADING WAYPOINTS
Uploading of waypoints is accomplished via the secondary NMEA device socket and cable directly from the position fixer selected. All waypoints are transferred until the ENTER key is pressed to terminate uploading.
1. Press the
WPT/MOB
key.
2. Press the
SETUP
key eight times. The display will
show:
SEtUP UPLOAD WPTS
3. Press the ENTER key. The display will show:
SEtUP UPLOADING 1
The number will increase indicating the total number of waypoints transferred so far.
4. Press the
ENTER
key to terminate uploading.
DOWNLOADING ROUTE DATA
When multiple GPSPlus displays are used it may be necessary to copy the route data (that is, all the waypoint data stored in a route), between displays. This procedure is similar to copying the waypoint library as previously explained and is also called downloading.
1. Press the ROUTE key until ROUTE # is displayed.
2. Press the SETUP key three times. The display will show
DOWNLOAD.
ROUtE 1 USEd DOWNLOAD
3. Press the ENTER key to download the route data. NOTE: It is possible for the GPSPlus to display an error
message DATA FAULT when downloading routes. This indicates two routes with the same route number exist. If this occurs erase one of the routes, or redefine another route using the same waypoint data.
NOTE: Uploading will stop automatically if a waypoint having the same name as one already in the GPSPlus library is uploaded.
60
NMEA INTERFACING WITH GPSPLUS
The two sockets on the rear case of the GPSPlus display are NMEA input/output connectors for position fixing instruments, radar sets, autopilots and other devices requiring NMEA interfacing. The connectors allow bi­directional data communication using the NMEA 0183 v1.5 protocol. This allows input of positional data (latitude and longitude) and other position fixer information (e.g. satellite data) into the GPSPlus display unit for displaying, and output of control sentences (including waypoint data) to a position fixer.
In a standard GPSPlus system the GPSPlus antenna/receiver unit uses the top connector, leaving the other for connection to a secondary NMEA device (e.g. a GPS, Loran-C or Decca receiver).
GPS
Plus
RECEIVER SOCKETS
NMEA input/output to the position fixer receiver has hardware connections for version 1.5 NMEA. The receiver connection cables supplied have the following colour coded connections:
GPS ANTENNA CONNECTION USING CABLE 610-OA-058
WIRE COLOUR FUNCTION PIN GREY BLACK
NMEA IN + NMEA IN -
3 4
SCREEN CABLE SHIELD 6
SECONDARY NMEA 0183 DEVICE CONNECTION USING CABLE 610-OA-038
WIRE COLOUR FUNCTION PIN BLACK WHITE GREEN YELLOW
NMEA OUT + NMEA OUT ­NMEA IN + NMEA IN -
1 5 3 4
SCREEN CABLE SHIELD 6
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NMEA OUTPUT
The GPSPlus display software provides NMEA output from both of the receiver connection sockets.
It is necessary to select the required NMEA output sentences as ON (transmitted) or OFF (not transmitted). To determine which sentences are required refer to the NMEA device handbook.
To turn a sentence from OFF to ON or vice versa:
1. Press the
key to display the
POS
CURRENT FLOW
page.
2. Press the
OUTPUT
3. Turn the
.
STEP
SETUP
key once, the display will show
knob to list all the GPSPlus output sentence mnemonics. By default all are OFF except RMB and RMC.
4. Press the displayed, ON (or
5. Use the
STEP
ENTER
key when the desired sentence is
) will flash.
OFF
knob to change the flashing display.
6. Press the ENTER key to memorise the setting.
7. Repeat until all the required sentences are set.
NMEA OUTPUT SENTENCE LIST
The following is a list of all the NMEA output sentences available from the GPSPlus display unit including the initial setting. The SETUP key allows selection of each sentence as ON or OFF, allowing custom interfacing as required by the end user.
APB Autopilot sentence 'B' OFF BOD Bearing, Origin to destination OFF BWC Bearing and distance to waypoint (great circle) OFF BWR Bearing and distance to waypoint (rhumb line) OFF DBT Depth Below Transducer OFF DTM Chart datum OFF GL2 Geographic Latitude and Longitude (NMEA V2.0) OFF GL1 Geographic Latitude and Longitude (NMEA V1.5) OFF RMA Recommended minimum specific - Loran C OFF RMB Recommended minimum navigation information ON RMC Recommended minimum navigation - GPS ON VDR Tidal Set and Drift OFF VHW Heading and water speed OFF VLW Distance Travelled through the Water OFF VTG Actual track and ground speed OFF VWR Wind bearing (relative) and speed OFF VWT True Wind speed and Angle OFF WCV Waypoint closure velocity OFF XTE Cross track error OFF ZDA UTC time and date OFF ZTG Time of arrival at waypoint OFF WPL Waypoint location OFF
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GPS
DIFFERENTIAL INFORMATION
PLUS
The GPSPLUS system is capable of accepting a Differential GPS input conforming to the RTCM SC 104 V2.0 format.
Refer to the installation sheets for wiring details. Once the GPS has obtained a fix, and the Differential
receiver has locked onto the beacon, the GPSPLUS display will show the following:
The basic GPS system available to the normal user contains a deliberate inaccuracy, called Selective Availability (SA). This limits the accuracy of the GPS position to an average of 100 metres. To improve the accuracy a system called Differential GPS (DGPS) was designed to run with the normal GPS system.
The basic principle of DGPS is that a known position (Lighthouse, Coastguard Station, etc.) has a normal GPS receiver installed. A computer monitors the position from the GPS and compares this to its known position. The error between the GPS position and the known position is calculated then transmitted over a conventional radio link to the vessel. The GPS on board the vessel recalculates the position taking into account the errors. A separate receiver and antenna are needed to receive the Differential beacon signal.
NOTE: The above is not a new page. The value of replaced with
GPS DIFF .
HDOP
is
63
INSTALLATION OF THE DISPLAY UNIT
The display unit is supplied with a clip-in mounting bracket which allows for easy installation. Access from behind is not necessary to secure the unit in place. However, to prevent theft and permanently fix the unit in position, locking studs and thumb nuts are supplied.
SITING THE UNIT
The instrument is designed for mounting on or below deck. A mounting position should be selected where it is:
Easy to read by the helmsman
On a smooth, flat surface
At least 100mm (4") from a compass
Protected from direct splashes of water to the rear of the
display case
Accessible from behind for fitting locking studs if
required.
TOOLS REQUIRED
70mm (2¾") hole cutter
2.9mm, 5mm drills
Screwdrivers
Measuring tape or rule
Cable clips or ty-wraps.
MOUNTING THE UNIT
Use the cutting template supplied to mark the centres of the holes for the self-tapping screws, the fixing stud holes and the mounting bracket.
The template allows 4mm (5/32") between adjacent units
for the suncover. Increase this distance if required to a maximum of 60mm (2 3/8") between units or 180mm (3 1/8") between centres. For greater distances between units extension cables are available.
Use a 70mm (2 3/4") diameter hole cutter for the
mounting bracket hole.
Use a 2.9mm drill for the self-tapping holes.
Use a 5mm drill for the locking stud holes.
Secure the mounting bracket to the bulkhead with the
self-tapping screws supplied.
Fit the rubber-sealing gasket around the mounting
bracket.
Screw the locking studs into the back of the display head
(if required for security locking).
Carefully pass the cable tails through the mounting
bracket hole, connect the plugs and sockets to sensor cables, power cable and other Network display units as required.
Clip the display head into the mounting bracket (it is a
snug fit).
Secure the instrument with the thumb nuts supplied (if
required).
64
INSTALLATION DATA
65
INSTALLATION OF ANTENNA UNIT CHOOSING A LOCATION
Select a suitable site for the antenna unit with reasonable consideration of the following points:
As close as possible to the vessel's deck, which has a
relatively unobstructed view of the horizon
Avoid areas where the unit could become damaged, e.g.
where ropes or wires could become entangled
Avoid installing unit at the mast top: this location
accentuates the boat’s motion
Avoid areas of high vibration, e.g. engine housings and
radar installations
Not within 60cm (2ft) of other antennas, e.g. VHF, SSB
Above or below a radar's cone of transmission
Below and at least 3m (10ft) away from satellite
communications equipment
Dense wood or metal structures will shield the unit from satellite signals. However, stays, masts and relatively dry sails will not interfere with reception. The unit can receive signals through glass, canvas and thin fibreglass (for example, a wheelhouse or saloon area), however it would be advisable to try such a location before permanent fixture.
MOUNTING THE ANTENNA UNIT
The GPS antenna unit may be pole mounted. The threaded socket at the base of the unit will accept a 1¼" straight thread. The GPS antenna unit only requires hand tightening on to the pole mount. Over tightening with a tool could damage the threaded socket at the base of the unit.
The pole mounting arrangement of the GPS antenna unit makes it easy for you to remove and store it in a safe and secure place when not in use. For permanent installation it is advisable to drill and pin the GPS antenna unit. This will discourage theft and prevent accidental loosening.
Alternatively the GPS antenna can be split into two parts by removing the four screws in the underside. The lower part can be discarded, leaving the GPS antenna with a flat base, which can be mounted on a cabin top or “A” frame.
If you choose this mounting option secure the GPS antenna from underneath using 4 x M3 machine screws. Care should be taken to trim overlong screws so no more than 7 turns of the thread are inside the GPS antenna.
66
ROUTING THE GPS ANTENNA CABLE
The GPS antenna unit is supplied with a 9 metre (30ft), shielded multicore cable. The cable should be routed to the GPSPlus Display unit junction box and then cut to length. For connection details refer to the installation sheet supplied with your system.
When routing the antenna cable consideration should be given to the following guidelines:
AVOID:
Sharp bends or kinks in the cable
Hot surfaces e.g. exhaust manifolds or stacks
Rotating or reciprocating equipment
Sharp or abrasive surfaces
Door, hatch and window jambs
Corrosive fluids or gases
67
LIST OF CHART DATUMS
GPSPlus
CHART DATUM COUNTRIES
NAME
ADINDAN
AFGOOYE AIN EL ABD
ANNA 1
ADINDAN Ethiopia
AFGOOYE Somalia AIN EL ABD 1970 Bahrain
ANNA 1 ASTRO 1965 Cocos
ASTRO ARC 1950
ARC 1960
ASCENSIO N 58 AST
ARC 1950 Botswana
ARC 1960 Kenya ASCENSION ISLAND
1958 ASTRO BEACON "E" Iwo Jima
BECON E AST B4 S ATO
ASTRO B4 SOROL ATOLL
Mali Senegal Sudan
Island Islands Lesotho
Malawi Swaziland Zaire Zambia Zimbabwe
Tanzania Ascension Island
Island Tern Island
AST DOS 71/4 ASTRONOM IC S AUSTRALIA 66 AUSTRALIA 84 BELLEVUE
BERMUDA 1957 BOGOT OBSERV CAMPO INCHAU CANTON ASTRO CAPE CAPE CANAVER
CARTHAGE CHATHAM 1971
CHAU ASTRO
ASTRO DOS 71/4 St. Helena
Island
ASTRONOMIC STATION 1952
AUSTRALIA GEODETIC 1966
AUSTRALIA GEODETIC
Marcus Island
Australia Tasmania
As above
1984 BELLEVUE (IGN) Efate Islands
Erromango Islands
BERMUDA 1957 Bermuda
Islands
BOGOTA
Colombia
OBSERVATORY CAMPO INCHAUSPE Argentina
CANTON ASTRO 1966 Phoenix
Islands CAPE South Africa CAPE CANAVERAL Florida
Bahama
Islands CARTHAGE Tunisia CHATHAM 1971 Chatham
Island (New
Zealand) CHAU ASTRO Paraguay
68
CORREGO ALEG DJAKARTA
DOS 1968
EASTER IS 67 EUROPEAN 50
CORREGO ALEGRE Brazil DJAKARTA (BATAVIA) Sumatra
Island (Indonesia)
DOS 1968 Gizo Island
(New Georgia Islands)
EASTER ISLAND 1967 Easter Island EUROPEAN 1950 Austria
Belgium Denmark Finland France Germany Gibraltar Greece Italy Luxembourg Netherlands Norway Portugal Spain Sweden Switzerland
EUROPEAN
EUROPEAN 1979 Austria
79
FINLAND GANDAJIK
FINLAND HAYFORD 1910 Finland GANDAJIKA BASE Republic of
A GEODETIC
GEODETIC DATUM 1949 New Zealand
49 GUAM 1963 GUX 1
GUAM 1963 Guam Island GUX 1 ASTRO Guadalcanal
ASTRO HJORSEY
HJORSEY 1955 Iceland
1955 HONG
HONG KONG 1963 Hong Kong
KONG 63 INDIAN
INDIAN Thailand
VIETN
Finland
Netherlands
Norway
Spain
Sweden
Switzerland
Maldives
Island
Vietnam
69
LIST OF CHART DATUMS
INDIAN
IRELAND
INDIAN Bangladesh
IRELAND 1965 Ireland
1965 ISTS 073
ISTS 073 ASTRO 1969 Diego Garcia
AST JOHNSTON
JOHNSTON ISLAND 1961 Johnston
IS KANDAWA
KANDAWALA Sri Lanka
LA KERGUELE
KERGUELEN ISLAND Kerguelen
N IS KERTAU
KERTAU 1948 West
1948 LC 5
L.C.5 ASTRO Cayman
ASTRO LIBERIA
LIBERIA 1964 Liberia
1964 LUZON
LUZON Mindanao
MINDAN LUZON
LUZON Phillippines
PHILLIP
MAHE 1971
MAHE 1971 Mahe Island
India Nepal
Island
Island Malaysia
Singapore Brac Island
Island (excluding
Mindanao Island)
MARCO
MARCO ASTRO Salvage
ASTRO MASSAWA
MERCHICH MIDWAY
MASSAWA Eritrea MERCHICH Morocco
MIDWAY ASTRO 1961 Midway
ASTRO MINNA NAHRWAN
MINNA Nigeria NAHRWAN Masirah
OMAN NAHRWAN
NAHRWAN United Arab
UAE NAHRWAN
NAHRWAN Saudi Arabia
SAUD NAPARIMA
NAPARIMA, BWI Trinidad and
BWI NA CONUS
NA
NORTH AMERICAN 1927 Mean value NORTH AMERICAN 1927 Alaska
ALASKA NA
NORTH AMERICAN 1927 Bahamas
BAHAMA NA SAN
NORTH AMERICAN 1927 San Salvador
SALVA NA
NORTH AMERICAN 1927 Canada
CANADA NA CANAL
NORTH AMERICAN 1927 Canal Zone
ZON
Islands
(Ethiopea)
Island
Island
(Oman)
Emirates
Tobago
(CONUS)
Island
Island
(Newfoundla
nd Island)
70
NA CARIBBEA N
NA CENTRAL
NA CUBA NA GREENLAN D NA MEXICO
NORTH AMERICAN 1927 Caribbean -
Barbados Caicos Islands Cuba Dominican Republic, Grand Cayman, Jamaica Leeward Islands Turks Islands
NORTH AMERICAN 1927 Central
America ­Belize Costa Rica El Salvador Guatemala Honduras
Nicaragua NORTH AMERICAN 1927 Cuba NORTH AMERICAN 1927 Greenland
(Hayes
Peninsula) NORTH AMERICAN 1927 Mexico
N AMERICA
NORTH AMERICAN 1983 Alaska
83
OBSERVAT
OBSERVATORIO 1966 Corvo
ORIO
OLD
OLD EGYPTIAN Egypt
EGYPTIAN OLD
OLD HAWAIIAN Mean Value
HAWAIIAN OMAN OS OF GB 36
PICO LAS
OMAN Oman ORDNANCE SURVEY OF
GB 1936
PICO DE LAS NIEVES Canary
NIE PITCAIRN
PITCAIRN ASTRO 1967 Pitcairn
AST PROV S CHILE
PROVISIONAL S.CHILEAN 1963
Canada Central America CONUS Mexico
Flores Islands (Azores)
England Isle of Man Scotland Shetland Islands Wales
Islands Island
South Chile
71
LIST OF CHART DATUMS
PROV S AMER
PUERTO
PROVISIONAL S.AMERICAN 1956
PUERTO RICO Puerto Rico
RICO QATAR
QATAR NATIONAL Qatar
NATION QORNOQ
REUNION ROME 1940
SANTO
QORNOQ South REUNION Mascarene ROME 1940 Sardinia SANTO (DOS) Espirito
DOS SAO BRAZ
SAPPER
SAO BRAZ Sao Miguel
SAPPER HILL 1943 East
HILL
Bolivia
Chile
Colombia
Equador
Guyana
Peru
Venezuela
Virgin Islands
Greenland
Island
Island
Santo Island
Santa Maria
Islands
(Azores)
Falkland
Island
SCHWARZE CK S AMERICA 69
S ASIA SE BASE
SW BASE
SWEDEN TIMBALAI 48
SCHWARZECK Namibia SOUTH AMERICAN 1969 Argentina
Bolivia Brazil Chile Colombia Ecuador Guyana Paraguay Peru Venezuela Trinidad and
Tobago SOUTH ASIA Singapore SOUTHEAST BASE Porto Santo
Madeira
Islands SOUTHWEST BASE Faial
Graciosa
Pico
Sao Jorge
Terceira
Islands
(Azores) RT90 (RT38) SWEDEN Sweden TIMBALAI 1948 Brunei
East
Malaysia
(Sarawak,
Sabah)
72
TOKYO
TRISTAN AST VITI LEVU
WAKE­ENIWETK ZANDERIJ WGS 72
WGS 84
USER ENTERED
TOKYO Japan
Korea Okinawa
TRISTAN ASTRO 1968 Tristan da
Cunha
VITI LEVU 1916 Viti Levu
Island (Fiji Islands)
WAKE ENIWETOK 1960 Marshall
Islands ZANDERIJ Surinam WORLD GEODETIC
SYSTEM 1972 WORLD GEODETIC SYSTEM 1984 User entered Lat. and Long. offset
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