Network Tack User Manual
Contents
1. 5 S Network TACK l OF 30 30 4O 50 50 x TWA 0522 01 USING THE VMG KEY Press the VMG key to display Velocity Made Good on the LCD The LCD V legend will be displayed If boat speed data is not available the LCD digits will be blank and the V legend will be displayed Network TACK x O 77 207 30 30 404 7 50 VMG V J USING VMG FOR BETTER PERFORMANCE VMG is an indication of how efficiently the yacht is sailing upwind or downwind Maximising your VMG ensures you are following the fastest route upwind or downwind As a basic rule when heading directly for a mark the boat speed should be maximised when tacking or gybing to the mark the VMG should be maximised HB 0522 01 USING THE LIGHTS KEY The Network TACK Display unit has 3 levels of illumination and off controlled by the LIGHTS key The level selected is for the whole Network system Network TACK N l LB LIGHTS s 123 gt kel OFF Ld e L3 High LIGHTS e L2 Medium P e L1 Low The LIGHTS key also changes the illumination l2. AWA of 35 to Port relative to bow The LCD is showing a TWA of 66 EXAMPLE SAILING DOWNWIND Network WIND Network WIND shows an AWA of about 150 to Starboard relative to the bow The LCD is showing an AWS of 10 knots Network TACK 0 Network TACK shows AWA of 35 to Starboard relative to the stern The LCD is showing a TWA of 160 USING THE AWA KEY USING THE TWS KEY Press the AWA key to display Apparent Wind Angle on the Press the TWS key to display True Wind Speed on the LCD LCD The LCD APP legend will be displayed The LCD TRUE legend will be displayed If boat speed data is not available the LCD digits will be blank and the TRUE legend will be displayed Network TACK Network TACK 20 2097 207 30 30 _ 36 30 _ IOR SO 50 50 rN AWA TWS ADD 0522 01 6 USING THE TWA KEY Press the TWA key to display True Wind Angle on the LCD The LCD TRUE legend will be displayed If boat speed data is not available the LCD digits will be blank and the TRUE legend will be displayed
3. CONTENTS CONTENT Siiiscssdesosacceaes tendavsnceseecsngsdsortevetedsteentes 1 GENERAL INTRODUCTION TO B amp G 3 INTRODUCTION TO NETWORK TACK 4 EXAMPLE SYSTEMS USING NETWORK 5 USING THE ANALOGUE DIAL AND 7 USING THE AWA KEY 7 USING THE TWS KEY 7 USING THE TWA KEY 8 USING THE VMG KEY 8 USING THE LIGHTS 9 INSTALLATION 10 11 SITING THE UNIT 10 MOUNTING THE UNIT 10 HB 0522 01 SPECIFICATION ABBREVIATIONS AND DEFINITIONS THE WIND TRIANGLE 12 14 GENERAL INTRODUCTION TO B amp G NETWORK The B amp 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 NAVIGATIONAL AIDS Network SPEED Network GPS Network DEPTH Network LORAN Network QUAD Network NAV Network WIND Network CHART Network TAC
4. K Network DATA AUTOPILOTS COMMUNICATIONS Network PILOT Network VHF HB 0522 01 INTRODUCTION TO NETWORK TACK The Network TACK unit is a analogue Magnified Wind Angle repeater used for sailing on the wind or running with a back lit Liquid Crystal Display LCD that can show other wind information selected by pressing one of the five keys It has no sensor interfaces as all data is passed to the unit via the system network cables Network TACK must be connected to a system that contains a Network WIND unit for wind data and a Network SPEED unit for true wind and VMG functions via the two network cable tails at the rear of the unit The unit is capable of transmitting NMEA 0183 v1 5 data via the network cables The five keys give the following selections NETWORK TACK DISPLAY UNIT Network TACK 50 4 AWA TWS TWA VMG LIGHTS 7 AWA Apparent Wind Angle e TWS True Wind Speed e TWA True Wind Angle e VMG Velocity Made Good LIGHTS Three levels of illumination and off HB 0522 01 S EXAMPLES SYSTEMS USING NETWORK TACK Network QUAD Network WIND and Network TACK units Speed data being supplied from the Network QUAD unit for
5. V 40mA typical 100mA illuminated Connect via external 5A fuse or circuit breaker CABLES AND CONNECTIONS Connection to adjacent units is via cable tails fitted with either a plug or a socket Extension cables are available from your dealer The cable tails carry power and NMEA data between units ALARM There is no internal audible alarm NMEA OUTPUT SENTENCES IIHDM Heading SIIVHW Speed and Heading IIDBT Depth SIIVWR Apparent wind angle and speed SIIMTW Sea temperature 11 ABBREVIATIONS AND DEFINITIONS THE WIND TRIANGLE AWA Apparent Wind Angle The angle between the boat s bow and the wind blowing across the deck at mast height AWS Apparent Wind Speed The wind speed across the deck at mast height oN TWA True Wind Angle The wind angle between the boat s heading and the true wind at mast height This is calculated from AWA AWS and boat speed This is the wind relative to the water not the land TWS True Wind Speed The wind speed over the water independent of the boat s motion through it Calculated from AWA AWS and boat speed VMG Velocity Made Good A measure of performance upwind or downwind calculated from TWA and boat speed HB 0522 01 12
6. elf tapping screws supplied e Fit the rubber sealing gasket around the mounting bracket Screw the locking studs into the back of the display head if required e Carefully pass the cable tails through the mounting bracket hole connect the cables to the main units Clip the display head into the mounting bracket e Secure the instrument with the thumb nuts supplied INSTALLATION TACK Display Unit Side view ul unit An re We 25 6 655 0 Fear view gf unit Lecking stud fixing 1105 4 AN WS gt SY Network Natwork Power eanract or CONMECTSE Rubber Gasket Sun sever Gasket Display Unit around the mounting brackel Bulkhead Meunting Bracket Self tapping sersws HB 0522 01 10 SPECIFICATION PHYSICAL PARAMETERS Construction High impact ABS plastic Window Acrylic Display Analogue dial and pointer Back lit Liquid Crystal Display Digits 12mm 0 47 Dimensions 110 x 110 x 25 4mm 4 x 4 x 1 Requires 65mm 2 6 depth behind bulkhead for display barrel Weight 0 3 kg 0 66lbs ENVIRONMENTAL Operating Temp 10 to 55 C 93 RH 14 to 131 F 93 RH Storage Temp 25 to 70 C 95 RH 13 to 158 F 93 RH Humidity Up to 95 RH Sealing Fully sealed front suitable for bulkhead cockpit mounting Vented barrel to prevent condensation HB 0522 01 ELECTRICAL Power Supply Operating Current Protection 12V DC nominal 10 to 16
7. evel of the key legends it always remains illuminated so even in complete darkness the key can be located INSTALLATION The display heads are 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 All Network Instruments are designed for mounting on or below deck A mounting position should be selected where they are e Easy to read by the helmsman e On asmooth and flat surface e At least 100mm 4 from a compass Accessible from behind for fitting locking studs if required HB 0522 01 MOUNTING Use the cutting template supplied to mark the centres of the holes for the self tapping screw 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 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 for the self tapping screw holes Use a 5mm 3 32 drill for the locking stud holes e Secure the mounting bracket to the bulkhead with the s
8. true wind functions Wind Sensor QUAD 125 6 Speed Sensor Depth Sensor Up to a maximum of four Network TACK units maybe used in an integrated Network Instrument System where the total number of units does not exceed twenty HB 0522 01 Network SPEED Network DEPTH Network WIND and Network TACK Speed data being supplied from Network SPEED unit for true wind and VMG functions Wind Sensor SPEED DEPTH WIND TACK JEPTH 1551 4128 N SPEED 25 Speed Sensor Depth Sensor The Network units can be connected together in any order as data is shared via the system network cable link USING THE ANALOGUE DIAL AND POINTER The analogue pointer indicates magnified apparent wind angles up to 50 port or starboard when close hauled or running EXAMPLE SAILING UPWIND Network WIND Network WIND shows an AWA of about 30 to Port relative to the bow The LCD is showing an AWS of 10 knots HB 0522 01 Network TACK E E E E E 2 Network TACK shows
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