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Network Compass
User Manual
23 pgs713.26 Kb0
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B&G Network Compass User Manual

NETWORK COMPASS USER MANUAL
CONTENTS
GENERAL INTRODUCTION TO B&G NETWORK.........................................................2
INTRODUCTION TO NETWORK COMPASS.................................................................3
COMPASS DISPLAY UNIT.............................................................................................4
EXAMPLE SYSTEMS USING NETWORK COMPASS...................................................4
INITIAL POWER-UP........................................................................................................5
THE OFF COURSE DISPLAY.........................................................................................7
SETTING THE COURSE MEMORIES ............................................................................8
THE XTE DISPLAY .........................................................................................................9
THE RUDDER DISPLAY...............................................................................................10
USING THE TIMER.......................................................................................................12
SETTING THE TIMER...................................................................................................13
ENABLING/DISABLING THE TIMER BEEPS..............................................................13
ENABLING THE OFF COURSE ALARM......................................................................14
SETTING THE COMPASS DAMPING ..........................................................................14
SETTING THE COMPASS OFFSET.............................................................................15
SETTING THE VARIATION ..........................................................................................15
SETTING THE DISPLAY FOR TRUE OR MAGNETIC READINGS .............................16
ENABLING THE HEAD/LIFT MODE.............................................................................16
SELECTING THE DISPLAY MODE..............................................................................17
CALIBRATING THE COMPASS...................................................................................17
OPERATION WITH AUTOPILOTS ...............................................................................18
TROUBLESHOOTING ..................................................................................................19
INSTALLATION ............................................................................................................20
SITING THE FLUXGATE ..............................................................................................21
INSTALLATION DATA..................................................................................................22
SPECIFICATIONS.........................................................................................................23
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NETWORK COMPASS USER MANUAL

GENERAL INTRODUCTION TO B&G NETWORK

Welcome to the B&G Network system. This World beating series of intelligent navigational instruments has been brought to you through a combination of scientific innovation and high quality production to create a computerised data system you can trust. As an intelligent system each unit can be used by itself to display specific data, alternatively any combination of units can be linked into a Network with units processing their own data or acting as repeaters for data from other units. This Network provides a comprehensive navigational system. Screened cables combined with the latest technology provide protection from interference between units and other systems.
The Network system is continuously expanding your options and currently consists of the following units:
INSTRUMENTS
Network SPEED Network DEPTH Network QUAD Network WIND Network TACK Network DATA Network COMPASS
NAVIGATIONAL AIDS
Network NAV Network GPS LCD CHART
AUTOPILOTS
Network PILOT
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NETWORK COMPASS USER MANUAL

INTRODUCTION TO NETWORK COMPASS

The Network COMPASS unit uses the latest advances in electronics and magnetic fluxgate technology to display a true or magnetic heading, as well as Off Course, Cross Track Error (XTE)*, Rudder Angle* and Head/Lift information on an easy to read Liquid Crystal Display (LCD). Five keys on the unit select the displayed data, calibration factors and alarms.
It can operate as a standalone compass display or as part of an Integrated B&G Network Instrument System. The unit can also operate as a repeater of course data received via the Network. These connections plug directly into the rear of the display.
The Network COMPASS includes two adjustable alarms:
• Off course alarm
• Head alarm
An internal alarm buzzer will sound and the display will flash -A- when the alarm condition is met. Other Network instruments will also sound their alarms and flash their displays, and the alarm condition can be cleared by pressing any key on any Network instrument.
Additionally a racing timer with alarm signals at set intervals is included in the unit.
* These functions will only appear if the relevant sensors (for example, GPS
Network PILOT) are in the system.
plus
or
3
NETWORK COMPASS USER MANUAL

COMPASS DISPLAY UNIT

Network COMPASS
30 20 10 302010
OFFCOURSE
STEER
PORT
CRSE 1
TIMER LOCK SETUP LIGHTS
MODE
ENTER

EXAMPLE SYSTEMS USING NETWORK COMPASS

Up to four COMPASS units can be connected to the system. Only one of these should be linked to a fluxgate and set to transducer mode, the others must be set to repeater mode. Refer to SELECTING THE DISPLAY MODE to see how to change modes.
In this configuration the main unit controls all the measurement parameters such as offset and damping. These parameters can be changed via the keyboard on any of the units: repeaters will send appropriate network messages to the main unit so that it can keep its parameters up to date.
4
NETWORK COMPA SS USER MANUAL
In this configuration the COMPASS unit is set to transducer mode and will send heading data to the other instruments. The other Network units are also transmitting data that the COMPASS may be able to use. For example, if the COMPASS is set to Head/Lift mode the wind angle data will cause it to switch between port and starboard tacks automatically.

INITIAL POWER-UP

When a COMPASS unit is powered up for the first time it will automatically adjust itself to the phase characteristics of the fluxgate sensor, so if it is to be used with a fluxgate (that is, in transducer mode) the fluxgate should be installed and connected before applying power. Refer to the installation guidelines at the back of this manual for advice on optimum siting of the fluxgate. During the phase adjustment the display will show PHS and a pair of chevrons to indicate which of the phase settings is currently being tested.
When all the phase settings have been tested the optimum one is selected and stored for future use. The complete phase adjustment procedure takes about 20 seconds.
The same phase adjustment is also carried out immediately before a calibration swing (see CALIBRATING THE COMPASS, page 17).
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NETWORK COMPASS USER MANUAL

SETTING THE DISPLAY BACK LIGHTING

The Network COMPASS display back light has three brightness settings or off. Pressing the LIGHTS key cycles through these in the following order:
• L 0 OFF
• L 3 High
• L 2 Medium
• L 1 Low
Network COMPASS
Network COMPASS
Network COMPASS
Network COMPASS
TIMER LOCK SETUP LIGHTS
MODE
ENTER
TIMER LOCK SETUP LIGHTS
MODE
ENTER
TIMER LOCK SETUP LIGHTS
MODE
ENTER
TIMER LOCK SETUP LIGHTS
MODE
ENTER
6
NETWORK COMPASS USER MANUAL

THE OFF COURSE DISPLAY

Pressing the MODE key will cycle the display between Off Course, Cross Track Error (XTE) if a Network GPS Head/Lift display (if enabled).
plus
is fitted, Rudder angle if a Network PILOT is fitted and the
Network COMPASS
30 20 10 302010
OFFCOURSE
TIMER LOCK SETUP LIGHTS
MODE
STEER
CRSE 1
STBD
ENTER
Network COMPASS
TIMER LOCK SETUP LIGHTS
MODE
STEER
CRSE 1
STBD
ENTER
101.00.1XTE10 1.0 0.1
30 20 10 302010RUDDER
MODE
Network COMPASS
TIMER LOCK SETUP LIGHTS
ENTER
30 20 10 302010
MODE
Network COMPASS
LIFT
PORT
TIMER LOCK SETUP LIGHTS
ENTER
The Off Course
display
The XTE display
with GPSplus
The Rudder display with
Network Pilot
The Head/Lift
display if
enabled
The unit will autodetect the presence of a GPS or PILOT on the Network and will activate the displays accordingly. The Off Course display is used to show the difference between the current heading and the heading stored in the selected course memory (see SETTING THE COURSE MEMORIES).
Network COMPASS
30 20 10 302010
OFFCOURSE
STEER
PORT
CRSE 2
TIMER L OCK SETUP LIGHTS
MODE
ENTER
In this instance the vessel is heading starboard of the setting in the course 2 memory and the display shows the current bearing. The Off Course scale is visible below the bar graph which points to port, and the legends STEER and PORT indicate the direction in which to steer to correct the error.
The Off Course scale indicates how many degrees the vessel is from its intended heading.
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