B&G CND User manual

cnd introduction
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overview
Congratulations on your purchase of the Central Navigation Display (CND) from B&G. The CND is
the latest in chart plotting and navigation displays from B&G and represents B&G’s commitment to
providing customers the finest marine navigation systems. The CND is a state-of-the-art
computerised electronic chart system designed as a sophisticated navigation aid. Your CND
provides many useful features and is easy to use.
Before you begin using your new CND, please take the time to read this manual to help you
achieve the full potential from your new system.
features
All calculations and information necessary for navigation are performed and displayed on the
screen quickly and accurately providing all of the facilities of a conventional GPS but with the
added benefit of a powerful electronic chart display.
Features
The Central Navigation Display (CND) is a fully functioned colour Chart Plotter which can be used
either as a stand-alone system or integrated into an instrument system.
• Daylight viewable transflective ¼ VGA colour screen gives excellent clarity even in bright
sunlight
• Latest presentation of C-Map NT Cartography, hot-swap cartridges
• Highest specification C-Map NT feature implementation
• Utilises C-Map User-Card technology to enable backup of waypoints, tracks, routes and
marks. Also can be used for home route planning (with optional C-Map PC-Planner Kit)
Instrumentation data repeater - any NMEA instrument source (see “Interfacing” for details),
custom pages provide easy to use presentation of instrument data.
User information like Waypoints, Marks and tracks can be stored on a User , and
can be recalled at any time. The CND will also display available instrument data in dedicated
display formats. On the screen are shown navigation data and cartographic information obtained
from electronic charts.

introduction
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certification
warnings & precautions
WARNING:
The GPS system is operated by the United States government, which is solely responsible for its
accuracy & maintenance. The system is subject to changes that could affect the accuracy and
performance of all GPS equipment. Although the B&G CND is a precision electronic NAVigation
AID (NAVAID), any NAVAID can be misused or misinterpreted and, therefore, become unsafe.
Use the CND at your own risk. To reduce the risk of unsafe operation, carefully review and
understand all aspects of this Owner’s Manual – and thoroughly practice operation using the
simulator mode prior to actual use. When in actual use, carefully compare indications from the
CND to all available navigation resources, including the information from other NAVAIDs, visual
sightings, charts, etc. For safety, always resolve any discrepancies before continuing navigation.
CAUTION:
The unit meets the requirements of IP67 sealing, only when the door is closed.
Do not use an alcohol based cleaner on this display.
Note:
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference, the user is encouraged to try to
correct the interference by relocating the equipment or connecting the equipment to a different
circuit. Consult an authorised dealer or other qualified technician for additional help if these
remedies do not correct the problem.
This device meets requirements for CFR47 Part 15 of the FCC limits for Class B equipment.
The CND meets the standards set out in European Standard EN 60945: 1997 IEC 945 : 1996 for
maritime navigation and radiocommunication equipment and systems .
The CND contains no user-serviceable parts. Repairs should only be made by an authorised
service centre. Unauthorised repairs or modifications will void your warranty.
trademarks
All rights reserved. No part of this manual may be reproduced or transmitted in any form or by any
means including photocopying and recording, for any purpose without the express written
permission of B&G.
Information in this document is subject to change without notice. B&G reserves the right to
change or improve its products and to make changes in the content without obligation to notify any
person or organisation of such changes.
B&G, Central Navigation Display, CND are all trademarks of Brookes & Gatehouse Ltd and may
not be used without the express permission of B&G.
C-MAP, C-MAPNT and CF-95 are all trademarks of C-MAP Italy srl and may not be used without
the express permission of C-MAP.

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contents
Overview 1
Features 1
Features 1
Certification 2
Warnings & Precautions 2
Trademarks 2
Display overview 6
Switching on and off 7
Switching On 7
Switching Off 7
Backlight 7
C-CARD 8
Inserting the Card 8
Removing the card 8
System settings 8
Overview of the display 9
Navigate to a single destination 9
Distance to bearing 9
Steer 9
Deleting a Destination 9
Navigating on a route 10
Adding a Waypoint 10
Creating a route 10
Deleting a waypoint 10
Moving Waypoint 11
Inserting a Waypoint 11
Editing Waypoints 12
Finding information 13
Time To Go 13
C-MAPNT Information 13
Getting Quick Information 13
Getting Port Information 14
Getting Tidal Information 15
Finding Port Services. 16
Finding Port by Name 18
Searching by name 18
Searching by list 19
Finding Tide Stations 20
Data pages 21
Speed/Depth 21
Navigation 22
Wind 22
Multi Function 23
Data Logs 24

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contents
GPS mode 25
GPS Mode 25
Status Page 25
GPS Page 25
Road Page 26
XTE Page 26
XTE Options 26
Routes 27
Main Setup Screen 27
Selecting a route 27
Selecting a route to work 27
Deleting a route 28
Route Colour selection 28
Reversing a route 28
Route Report 29
Changing Speed & Fuel values 29
Route Report from the chart. 30
Finding information on Waypoints 30
Deleting a Waypoint from the list 31
Viewing Waypoint/Marks in a Route list 31
Finding a Waypoint/Mark on the chart 32
Marks 33
Adding a Mark 33
Converting a MARK to a Waypoint 33
Deleting a Mark 33
Man Over Board 33
Setup menu 34
Selecting Alarms 34
Depth – Shallow Water Alarm 34
Depth – Deep Water Alarm 34
Anchor drag alarm 34
HDOP Alarm 34
Cross Track Alarm 34
Waypoint Arrival Alarm 34
Selecting System Settings 35
To set the Language 35
To set the GPS/NMEA 35
To set the Units 36
Selecting Chart Plotter settings 36
To set the Display Options 1 37
To set the Display Options 2 37
Selecting Demo Mode settings 37
Selecting About 38
Position correction 38
Position Correction 38

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contents
Track functions 39
Track functions 39
Enabling Track Storing 39
Selecting Active Track 39
Displaying Track 39
Selecting Track Colour 39
Selecting Time Interval 40
Selecting Vector 40
Delete Current Track 40
Memory menu 41
Memory Menu 41
Saving a File 41
User C-CARD menu 42
Loading a File 42
Deleting a File 42
Sort the User C-CARD Directory 42
Reading the User C-CARD 42
Selecting slot 42
Formatting User C-CARD 43
Technical Specifications 44
Installation 45
Precautions 45
Panel mounting 45
Electrical Connections 45
Electrical Connection 45
Power/Data 46
NMEA In (Instrument Interface) 46
Fastnet246
Terms and functions 47
Troubleshooting 58
Warranty 59

getting started
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display overview
Press the PWR key to turn the CND On
There are 5 Softkeys, which have different functions when you select
different modes of operation, the labels for the current functions are
shown on the screen immediately adjacent to the keys.
Press the MARK key to place a Mark at your boat’s current position.
Press the SETUP key to enter the Setup pages.
Press the ZOOM + key to display more details of a smaller area, by
changing the chart scale and zooming in on your display. Press the
ZOOM – key to change the scale and display a wider view.
The CURSOR keypad moves the cursor about on the display screen,
quickly and accurately. It also scrolls the desired option in the menu
page(s).
Press the CLR key to exit from menu or to leave a menu without making
changes.
Press the ENTER key to select a function or enter a waypoint.
Press the PAGE key to scroll through the three different sets of pages:
Data (Speed & Depth, Nav, Wind, Multi)GPS (Status, Position, Road,
XTE), and Chart Plotter.
CURSOR
ENTER
C-MAP Cover
Softkeys
PWR key

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switching on and off
Before turning the CND on, check that the
installation instructions in Appendix B have
been correctly followed.
Switching On
Pressing the PWR key for one second switches
on the CND, you will first be presented with the
B&G logo screen and software version
information.
The CND will then perform a short self test
procedure that checks internal memory and
displays any failure detected on the screen.
If installed, the C-CARD will also be tested.
After a few seconds, a Caution page is
displayed, reminding you that the chart plotter
is only an aid to navigation, and should be used
in conjunction with normal navigational
practices.
Pressing any key will then display the
cartographic screen with a position if an
external GPS is connected.
The display can be customised for your
personal preferences using the System
Settings section.
Switching Off
Press the PWR key and hold for three
seconds, a countdown timer appears on the
screen, when this reaches zero it will power off.
If you release the key before the countdown
timer reaches zero, the CND will remain on.
backlight
There are three levels of backlighting. To alter
the level of backlighting, press and release the
PWR key until the desired level.

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c-card
The CND uses two types of C-MAPNT
cartridges,
The C-CARD, contains detailed charts of the
area covered.
The User C-CARD can be used to permanently
store your routes, Waypoints, Marks and
tracks.
Hold the C-CARD by the short inclined side so
that you can see the C-MAP label.
WARNING: To prevent ingress of water,
ensure C-Card door area is dry. Failure to
comply may result in invalidation of warranty.
Inserting the Card
Gently push the C-CARD into one of the slots
(1), push the C-CARD in as far as it will go,
then gently move it to the bottom position (2) to
hold it in the slot (3).
Removing the card
Press the C-CARD gently inward (1) and move
it upwards (2) until you hear a click, the
C-CARD will then eject out of the slot (3).
is continuously creating new charts
and revising old ones. If you wish to receive
information on the newest available charts, you
can write for a catalogue of available charts or
ask at your dealer.
system settings
Keypad Beep: On
Language: English
Speed/Distance Units: Nautical Miles
Depth Units: Metres
Wind Speed Units: Knots
Bearing Reference: Magnetic
Date Format: Day-Month-Year
Time Reference: UTC
Coordinate System: degrees and
minutes (2 dec. places)
To change any of these settings, please refer to the System Settings section.

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overview of the display
navigate to a single destination
Using the CURSOR keypad move the cursor to
your desired destination then press the
NAV TO softkey, this softkey will then change
to the START softkey, pressing the START
softkey will then create the Direct Target.
A line is drawn connecting the Direct Target
symbol with the boat’s position, all navigation
data is now referred to this Target.
Distance to bearing
Position the cursor on the Direct Target symbol
and the Cursor information box will contain the
Latitude/Longitude, the distance and the
bearing from your boat’s position.
Steer
Pressing the STEER Softkey will display the
Destination text box in place of the Position text
box.
Hide Data
Pressing the HIDE DATA Softkey will remove
the information box and display a full screen
chart and the softkeys.
Deleting a Destination
Using the CURSOR keypad to place the cursor
on the Direct Target symbol, the softkey will
then change to the STOP softkey, press the
STOP softkey and the Direct Target symbol
disappears from the screen.
Cursor Box
Cursor
Text Box
Softkeys
Label

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navigating on a route
If you prefer to navigate following a route
towards its end point, you can define a series
of locations (Waypoints) in sequence to make a
route.
Adding a Waypoint
Using the CURSOR keypad place the cursor
on the desired position, pressing the ENTER
key will insert a Waypoint symbol on the chart,
press the ADD TO ROUTE Softkey to make it
the first point on your route.
Viewing Information on Waypoints
Position the cursor on the Waypoint and the
Cursor information box will change to the
Waypoint information box displaying the
Waypoint name and Latitude/Longitude.
Creating a route
Repeat the “Adding a Waypoint” procedure as
shown above until you reach your final
destination. The lines connecting the
Waypoints are known as a leg, a circle
surrounding the first Waypoint of the route
identifies the starting point.
Deleting a waypoint
Using the CURSOR keypad place the cursor
on the Waypoint to be deleted and press the
DELETE Softkey, a window opens to advise
that the Waypoint is being used in a route,
press the ACCEPT Softkey to delete it, the
Waypoint is deleted and a new line between
previous and next Waypoint is shown.
Pressing the CANCEL Softkey returns to the
chart.

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navigating on a route
Moving Waypoint
Place the cursor on the Waypoint and press the
MOVE Softkey, using the CURSOR keypad
move the Waypoint, a dotted line connecting
the Waypoint to the new position, is shown.
To place the Waypoint in the new position,
press the ACCEPT Softkey.
Inserting a Waypoint
Place the cursor on the route leg and press the
INSERT Softkey.
The line between the two Waypoints is turned
into a dotted line (rubber-band), now move the
cursor to the new position.
Once you have positioned the cursor at new
location, press the PLACE Softkey.

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navigating on a route
Editing Waypoints
Move the cursor onto the Waypoint and press
the EDIT Softkey
Use the CURSOR keypad to select the field
and press the ENTER key.
To enter a name use the CURSOR keypad to
insert the characters, then press the ACCEPT
Softkey.
To change the Symbol, use the CURSOR
keypad to select the Icon and press the ENTER
key.
If the Coordinates field is selected, press the
ENTER key and then use the CURSOR keypad
to insert the value.
If the Colour field is selected, pressing the
ENTER key will display a window with 8
different colour, use the CURSOR keypad to
select the desired colour and press the ENTER
key.
Then press the ACCEPT Softkey.

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finding information
Time To Go
TTG value is displayed on the Display Page,
available by pressing the PAGE key twice and
the XTE Softkey.
C-MAPNT Information
On the display you will see a variety of Icons
and symbols.
Refer to the Handbook for
their explanation (example shown).
Getting Quick Information
Place the cursor on a chart symbol such as a
Nav-Aid, Wreck, etc. and a special pop-up
window is displayed. This feature called “Quick
Info” identifies the symbol and displays the
information about Nav-Aids.
To expand information about that object press
the EXPAND Softkey.
Pressing the ALL Softkey displays all available
information about that cartographic point.
Use the CURSOR keypad to scroll through the
list, press the ENTER key to expand, If the
information is in several pages use the
CURSOR keypad to scroll through the following
pages.
To return to the previous page and to exit press
the CLR key.
At the bottom right hand corner a window
displays the selected objects icon.

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finding information
By pressing the INFO softkey while the chart is
displayed will display a list of all objects found
in the range of the cursor.
If there are complex objects you will also find a
list of the components.
Use the CURSOR keypad to scroll through the
list, press the ENTER key to expand
Getting Port Information
When viewing the chart of a port or harbour,
you will see a Port Info icon, placing the cursor
on the symbol will display the available
information.
The Port Info symbol is visible only if the Ports
+ Services option is On (default setting).
Information is displayed with icons of the
available services.
Ensure the Info Level setting is detailed (default
setting).
To expand the information about the port press
the EXPAND Softkey, to display all available
information for that cartographic point press the
ALL Softkey.
Port Info
Icon

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finding information
Select the service using the CURSOR keypad
and then press the ENTER key.
Detailed information on the services (opening
and closing time of the Fuel station, telephone
number of local amenities, etc) are displayed.
This is available for all countries, where such
information exists on the paper chart.You will
also see accurately positioned symbols that
show where many useful facilities are located.
Getting Tidal Information
Some charts display a Tidal Diamond symbol
“T”, placing the cursor on the Tide symbol
displays the available information in the Quick
Information window.
To display the Tide Graph page press the
EXPAND Softkey.
Pressing the ALL Softkey selects all available
information.

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finding information
The screen will display today’s Tide Height
graph for the area where the Tidal symbol was
located.
The CND displays a moveable Vertical and
Horizontal slider. Using the CURSOR keypad,
move the horizontal slider to correspond with
the draft of your boat.
Using the Vertical slider you can then read the
times at which the graph dips below the
horizontal line i.e. the times when you will be in
danger of grounding.
Pressing the NEXT DAY or PREV DAY
Softkeys displays future or past tides.
Pressing the SETDATE softkey and entering
the required date using the CURSOR keypad,
followed by the ENTER key displays the tide for
that date.
Pressing the TODAY softkey returns to the
current day’s tide graph
Note
Tide graphs are an approximation of the tide
and they should be used in conjunction with
traditional tide tables and navigational
methods.
Finding Port Services.
Press the FIND Softkey.

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finding information
When the find display appears press the
START Softkey to displays the nearest
available facilities (i.e. the nearest Hospital, sail
maker, bank, etc.).
The icons list is shown of the available
services.
Select the facility using the CURSOR keypad
and then press the ENTER key. Displayed is a
list of ports nearest (up to 10) in which this
facility is present.
Choose the port you want and press the FIND
Softkey.
A list of that particular facility at the port is
displayed.
Pressing the CLR key returns to the chart with
the cursor located on the chosen facility.

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finding information
Finding Port by Name
Pressing the FIND Softkey displays the find
screen.
Using the CURSOR keypad select “Find Port
by Name” and press the START Softkey to
display a list of all ports stored on the C-CARD.
Use the CURSOR keypad to select the port
and the ZOOM +/- key to select next/previous
page.
Pressing the FIND Softkey to locate the
selected port on the chart.
Note
A Warning message is shown if there is no
C-CARD inserted or there are no ports on the
C-CARD.
Searching by name
Go to the “Find Port by Name” screen as
above, and press the NAME Softkey

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finding information
Insert the port name (max 15 characters) using
the Up and Down CURSOR keypad to scroll
through the letters, pressing the right arrow
CURSOR keypad to move to the following
space.
A list of all ports containing the inserted name
is displayed. Repeat the operation to refine the
search or move through the list with the
CURSOR keypad.
Pressing the FIND Softkey locates the selected
port on the chart.
Note
A Warning message is shown when the
inserted name is not in the ports list.
Searching by list
Go to the “Find Port by Name” screen as
above.
Use the CURSOR keypad to select the port,
and using the ZOOM +/- key to select
next/previous pages.
Press the FIND Softkey to locate the selected
port on the chart.

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finding information
Finding Tide Stations
To find the nearest Tide Stations on the chart
press the FIND Softkey to display the find
screen.
Note
The find will be from the cursor position if the
fix position is not suitable.
Using the CURSOR keypad select Tide
Stations and press the START Softkey to
display a list of nearest Tide Stations (up to
10).
Choose the Tide Station you want and press
the FIND Softkey to display the Tide Graph
page.
Pressing the CLR key returns to the chart to
display the Tide Station chosen.