B&G Network Quad User Manual

CONTENTS
GENERAL INTRODUCTION TO B&G NETWORK......... 2
INTRODUCTION TO NETWORK QUAD......................... 3
EXAMPLE SYSTEMS USING NETWORK QUAD........... 4
SELECTING THE DISPLAY MODE ................................ 5
USING THE SPEED KEY ................................................ 6
CALIBRATION AND OPERATING PARAMETERS........ 7
SETTING THE DISPLAY DAMPING ............................... 8
SETTING THE SPEED AND LOG UNITS ....................... 9
SPEED AND LOG CALIBRATION ................................ 10
1 - MANUAL CALIBRATION - CAL ................................ 11
2 - MANUAL CALIBRATION - LOG CAL........................ 12
3 - AUTOMATIC CALIBRATION - AUTO CAL ............... 13
RESETTING THE DEAD RECKONED DISTANCE ....... 15
USING THE DEPTH KEY .............................................. 16
THE DEPTH DATUM - CAL ........................................... 17
SETTING THE DEPTH DATUM..................................... 18
SETTING THE DEPTH UNITS....................................... 19
DEPTH ALARMS........................................................... 20
SHALLOW ALARM
ENABLING/DISABLING THE SHALLOW ALARM ......... 21
ADJUSTING THE SHALLOW ALARM VALUE .............. 21
DEEP ALARM
ENABLING/DISABLING THE DEEP ALARM..................22
ADJUSTING THE DEEP ALARM VALUE.......................22
USING THE ANCHOR ALARM.......................................23
ENABLING/DISABLING THE ANCHOR ALARM............24
ADJUSTING THE ANCHOR ALARM SHALLOW LIMIT .25
ADJUSTING THE ANCHOR ALARM DEEP LIMIT.........25
USING THE TIMER/TEMP KEY .....................................26
RESETTING THE TRIP LOG..........................................27
SETTING THE TIMERS AND LAP TIMER .....................28
SETTING THE TEMPERATURE UNITS.........................29
CALIBRATING THE TEMPERATURE SENSOR............30
USING THE LIGHTS KEY ..............................................31
NETWORK ALARMS .....................................................32
FAULT AND ERROR MESSAGES .................................33
INSTALLATION..............................................................34
SITING THE UNIT...........................................................34
MOUNTING THE UNIT ...................................................34
SPECIFICATION ............................................................36
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GENERAL INTRODUCTION TO B&G NETWORK

The B&G Network range of instruments is designed to be used as individual units or connected together to form an integrated navigational system. A single network cable is used to carry data and power between units. The latest technology and screened cables throughout the Network System ensure the ultimate protection from interference between units and other systems. All Network instruments can be linked to Network PILOT, Network CHART, Network GPS or Network LORAN receivers or via NMEA 0183 (v1.5) to other navigational equipment.
INSTRUMENTS
Network SPEED Network DEPTH Network QUAD Network WIND Network TACK Network DATA
NAVIGATIONAL AIDS
Network NAV Network GPS Network LORAN LCD CHART
AUTOPILOTS
Network PILOT

INTRODUCTION TO NETWORK QUAD

The Network QUAD unit measures and displays Speed, Depth, Log, Timer and Sea Temperature information on a large back-lit Liquid Crystal Display (LCD). The LCD is divided into three display areas. The top area permanently shows speed information, the centre area is selectable and shows Log, timer, sea temperature and depth alarm information, and the bottom area permanently shows depth information.
The five keys allow selection of the displayed information and setting of the units mode, calibration factors and operating parameters.
It can operate as the main Network QUAD unit either alone or as part of an Integrated Network Instrument System taking inputs directly from Speed and Depth Sensors which plug into the sockets at the rear of the display, or as a repeater (by selecting repeater mode) of information received via the two Network cable tails.
The Network QUAD REPEATER (not a Network QUAD in repeater mode) does not have Speed and Depth Sensor sockets, so it only receives data via the system network. It offers identical facilities to a Network QUAD main unit but can only ever be used as a repeater.
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INTRODUCTION TO NETWORK QUAD CONT'D

The Network QUAD unit has three adjustable alarms:
1. Shallow water alarm
2. Deep water alarm
3. Anchor alarm
An internal alarm buzzer will sound when an alarm condition is met and the display will flash. The alarm is broadcast to all other Network Instruments in an integrated system, they will also sound their alarms and flash their displays (except Network WIND and Network TACK).
The Network QUAD unit is NOT able to transmit NMEA 0183 (v1.5), however, the Network QUAD REPEATER unit is able to transmit NMEA data via the system network cables to other Network units and connect to an NMEA device e.g. a position fixer, with a special NMEA output cable.

NETWORK QUAD DISPLAY UNIT

IMPORTANT NOTE
Your Network QUAD unit must be set-up and calibrated correctly before it is used as part of a navigational system.
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EXAMPLES SYSTEMS USING NETWORK QUAD
r
r
Only one Network QUAD unit should have speed and depth sensors connected to it and set to transducer mode. Up to three more Network QUAD (set to repeater mode) or QUAD REPEATER units can be connected on to the system network.
QUAD QUAD QUADQUAD
Main unit
Repeater Mode Repeater unitRepeater Mode
QUAD WIND QUAD PILOT
Depth Speed
Sensor
Sensor
When in repeater mode, if the data is not being received from the system network, the display will show OFF when a key is pressed.
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SPEED
DEPTH
Depth
Senso
Speed
Senso
If the Network QUAD unit losses valid depth data, due either the actual depth being outside the working range, or to extreme turbulence in the water the LCD will show 3 "floating" bars. This shows that the unit is attempting to calculate the depth and is still functioning.
4
SELECTING THE DISPLAY MODE
The Network QUAD unit has two operating modes. The correct mode must be selected for your Network system to operate properly.
tYPEt
Transducer mode, the unit uses and displays speed and depth data from sensors connected directly into the display unit.
tYPEr
Repeater mode, the unit operates as a repeater
using data from the system network.
Press
TIMER
key to display stored log.
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Press
SETUP
to display the current mode.
key
Press
ENTER
key if the mode needs to be changed.
Use S or T to change mode.
Press
ENTER
to store the new mode in memory.
Press
TIMER
complete the change.
to
5
USING THE SPEED KEY
Boat speed information is permanently displayed in the top area of the LCD.
Press the
SPEED
key to cycle through the following
options:
SPEED
Current boat speed in Knots, can also be
displayed in MPH.
AVERAGE
SPEED
Average boat speed since the last reset of
the trip log.
MAX Maximum boat speed since the last reset
SPEED
of the trip log.
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CALIBRATION AND OPERATING PARAMETERS
When current boat speed is displayed, press the
SETUP
to cycle through the following options:
DAMPING
The response time of the display to
changes in boat speed.
SPEED
KNOT or MPH. This setting also changes the log
The boat speed can be displayed in Knots
units to Nautical or Statute Miles.
CAL
LOG
Manual boat speed and log calibration.
Manual boat speed and log calibration.
CAL
AUTO CAL
Automatic boat speed and log
calibration.
Reset Dead Reckoned Distance.
dr
When in
The
The
The
SETUP
SPEED LOG LIGHTS
mode:
key becomes the UP key S
key becomes the DOWN key T
key becomes the
ENTER
key
The procedures for using the SETUP options are on the following pages.
key
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SETTING THE DISPLAY DAMPING
Damping allows the response time of the displayed speed value to be slowed down if it is to jumpy in rough weather, or to sped it up when the conditions are calm. The damping works by averaging the values over a set time period; the longer the time period the smoother the readings, however the longer it takes to see a change. Similarly the shorter it is the jumpier the readings, but the faster the response.
The Network QUAD unit has a factory set value of 5, this can be adjusted in the range 1 to 64, each step is approximately one second.
Press to display current boat speed.
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SPEED
key
Press once to display the damping value.
SETUP
key
Press if the value is to be changed.
ENTER
key
Use S or T to change the value.
Press to memorise the change.
ENTER
key
Press to display current boat speed.
SPEED
key
8
SETTING THE SPEED AND LOG UNITS
The Network QUAD can be set to display boat speed in Knots or MPH.
If boat speed is in Knots then log is in Nautical Miles. If boat speed is in MPH then log is in Statute Miles.
Press to display current boat speed.
SPEED
key
Press twice. The speed digits will blank.
SETUP
key
Press if the units are to be changed.
ENTER
key
Use S or T to change the units.
Press to memorise the change.
ENTER
key
Press to display current boat speed.
SPEED
key
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SPEED AND LOG CALIBRATION
Before Network QUAD is used for navigation the boat speed and log have to be calibrated to ensure accuracy for your installation and the boats hull characteristics.
Three methods are available with the Network QUAD unit, two manual adjustments and one automatic:
MANUAL CALIBRATION
1.
2.
AUTOMATIC CALIBRATION
3.
Use the one of the methods overleaf to calibrate your instrument. It is recommended that this method will ensure the most accurate calibration of your Network QUAD unit.
The displayed boat speed value is corrected
CAL
manually to read a known measured speed.
The units calibration figure (Hz/Knot) is
LOG
manually adjusted to correct log and speed
CAL
inaccuracy.
AUTO CAL
corrects the boat speed and log.
The unit automatically calibrates and
AUTO CAL
is used as
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METHOD 1. - MANUAL CALIBRATION - CAL
This procedure requires a reference boat speed with which to compare the Network QUAD units displayed boat speed. For example, another boat with an accurate calibrated log, or if the top speed of the boat is known this value can be entered during a sea trial to correct the displayed value.
NOTE: accuracy of the reference boat speed.
The example below shows a displayed boat speed of 5.2 knots, the boat speed is known to be 6.0 knots. The displayed value is adjusted to read 6.0 knots.
The accuracy of this method is dependent upon the
IMPORTANT NOTE:
This method of calibration must not be carried out at boat speeds of LESS THAN 3 KNOTS as inaccurate values can be entered into the units memory. If the speed and log are not functioning correctly then enter a calibration value of 5.3 to 6.2 and then re-enter the correct calibration value as described below.
Press
SPEED
key to display current boat speed.
Press
SETUP
three times to display
CAL
key
.
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Press
ENTER
key to adjust the displayed value.
Use S or T to change the value.
Press
ENTER
to store the new value in memory.
Press
SPEED
key to complete the change.
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