TechnicalSpecifications

BridgeMaster E

Standard Features

ADVANCED VIDEO PROCESSING16 level digitization, unique anti-clutter system and target enhancement.

COMPASS STABILIZATIONNorth up or Course up; standard for the majority of gyro and serial compass inputs (1:1, 36:1,90:1 and 180:1 require special compass option).

TRUE MOTIONSelectable on 0.5 to 48nm range scales inclusive.

VIDEO MARKERS20 adjustable video markers for highlighting points of interest in stabilized presentation modes.

NAVIGATION INTERFACEEnables display of ship’s lat/long position, sensor in use and waypoint information.

RADAR MAPSSelection of operator compiled maps stored on memory cards or internal non-volatile memory(on Basic Models).

WIDE OPERATIONAL RANGE0.125nm to 96nm.

OFF-CENTERINGUp to two thirds of radius on all range scales except 96nm.

TRAILSOff, short, long, hidden, permanent or reset selectable in both true and relative motion modes.True trails are available in the relative motion mode.

VARIABLE RANGE MARKERS (VRM)Two provided variable from 0.01nm to 96nm displayed on screen. Accuracy better than 1% ofrange scale in use of 25m, whichever is greater. One VRM may be off-centered.

ELECTRONIC BEARING MARKERS (EBL)Two provided, variable in 0.1° increments, accuracy ±1°. One EBL may be off-centered.

INDEX LINESFully adjustable in range and bearing. Four available.

DAY/NIGHT PRESENTATION MODESFour selectable general brightness levels and color combinations. Displayed information inde-pendently variable. Settings storable in non-volatile memory.

ELECTRONIC CURSORReadout in range/bearing lat/long or both.

BEARING SCALEElectronically generated; 1, 5 and 10° marks labeled every 10° from 0-360°.

SECTOR BLANKINGFor special applications radar transmission can be inhibited in two sectors indicated on the dis-play. (Total blanking up to 340°).

AUTO TUNING (AFC)Fully automatic with manual backup.

WATCH ALARMTime periods of 3, 6, 9 and 12 minutes can be selected. Includes remote alarm connectioncapability with optional interface kit.

OWN SHIP’S PROFILEAvailable on ranges up to 3nm, depending on vessel length.

CONSTANT RADIUS TURNOn screen planning and monitoring of constant radius turn. Available in all motion and stabiliza-tion modes.

PARALLEL CURSORTwo types provided, full or half cursor available on all presentation and motion modes andrange scales.

POSITION MODENavigation sensor input.

GUARD LINESUser defined lines which will cause an alarm to be raised if crossed by own ship. 20 lines avail-able in stabilized presentation modes.

Radar TypeEPA ATA ARPA

* *+(option) (option)

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Standard Features (continued)

MAXIMUM VIEW AHEADUser selectable maximum view ahead.

SET & DRIFTManual adjustment of set and drift. Set adjustable to any value in 1° increments. Driftadjustable between 0 and 9.9 knots in 0.1 knot increments.

SYSTEM INITIALIZATIONAll system parameters set up via full screen display menu.

* ATA and ARPA options are not available on Basic Models† 250 Models with ARPA option provide full ARPA operational capability on 250mm display

Radar TypeEPA ATA ARPA

* *+(option) (option)

✔ ✔ ✔

✔ ✔ ✔

✔ ✔ ✔

Standard Configurations

BASIC MODEL (No options or upgrades available)180mm high res., 250mm medium res. or 340mm medium res. display, EPA capability and joystick control.

STANDARD MODELAs Basic Model with full option and upgrade capability.

BridgeMaster E Approvals

The BridgeMaster E family of Radars meet the following International Specifications:

Environmental Requirements: IEC 60945 3rd editionPerformance Requirements: IEC 60936-1 & IEC 936(1988)High Speed Craft Requirements: IEC 60936-2ARPA Performance Requirements: IEC 60872-1 & IEC 872(1987)ATA Performance Requirements: IEC 60872-2EPA Performance Requirements: IEC 60872-3

These specifications cover the following IMO resolutions:A477(XII), A422 (XI), MSC(64)67, A823(19) & A.820(19)

CE Marking

All components of systems are CE marked against the EMC requirements of IEC 60945, 3rd edition.

Wheel Marking

The wheelmark is now replacing the CE mark within the EU. All components of the systems will be “Wheelmarked” toshow conformance to the above IEC Specifications.

Tracking/Plotting Features

ARPA (Option on 250 and 340 Displays only)Automatic or manual acquisition of up to 40 targets to full IMO standard for standard and high speed craft

Tracks 40 maximum, display of numbers on demand, naming facility available.

Acquisition Range 0.25nm to 40nm

Tracking Range 0.25nm to 40nm

Tracking Performance Continuous for acquired targets detected for 5 out of 10 consecutive scans.

Track Table Output All tracked targets.

Maximum Tracking Velocity 150 knots

Vector Presentation Trend within 1 minute, full accuracy (IMO standard) within 3 minutes.

Vector Length Adjustable from 1 to 60 mins in 0.1 min increments.

Tracking/Plotting Features (continued)

Alarm Settings CPA 0.1nm to 20nm in 0.1nm increments.TCPA 1 min to 99 min in 1 min increments.BCD 0.1nm to 20nm in 0.1nm increments.(Bow Crossing Distance)BCT 1 min to 99 min in 1 min increments.(Bow Crossing Time)

Auto-Acquisition Zones 2 annular zones available in all presentation modes.

Alarms Audible with identifying symbol on screen where appropriate. Relay outputs available with optional interface kit.

Past Position Plots Display of up to 4 past positions to meet IMO standard.Time intervals available -15s, 30s, 1 min, 2 min, 4 min, 8 min or 16 min.

Trial Maneuver Available on all presentation modes.

Trial Maneuver Settings Course 0 to 359.9° in 0.1° increments.Speed 0 to 75 knots in 0.1 knot increments.Trial Time Delay 1 to 30 mins in 0.1 minute increments.

Trial Maneuver Alarm Audible and visual alarm 30s before maneuver commences.

Target Totes 4 types of Target Tote available.Single Target Tote.Multiple Target Tote - Targets automatically selected by CPA.

- Targets automatically selected by range.- Targets selected by user.

Test Targets Two - user defined

ATA(Option on all BridgeMaster E radars)The specification for the ATA is exactly the same as for the ARPA except that the ATA does not have Trial Maneuver orPast Position Plots. (Fully compliant with IEC 60872-2)

EPA(Fully compliant with IEC 60872-3)

Plotted Targets 10 maximum, numbered manually.

Plotting Range 0 to 40nm

Plotting Range Scales 0.5 to 48nm inclusive

Maximum Plotting Velocity 150 knots

Vector Length 1 to 60 min in 0.1 min increments.

Alarm Settings CPA 0.1nm to 20nm in 0.1nm increments.TCPA 1 min to 99 min in 1 min increments.BCD 0.1nm to 20nm in 0.1nm increments.(Bow Crossing Distance)BCT 1 min to 99 min in 1 min increments.(Bow Crossing Time)

Guard Zones 2 annular zones available in all presentation modes on 3, 6 and 12nm rangescales.

Alarms Audible with identifying symbol on screen where appropriate.

Radar Mapping Features

Availability On 0.5 to 96nm range scales in stabilized modes of operation only.A reference lat/long is required.

Up to 10 maps simultaneously available for display in map folio (not on BasicModels).

Map Selection By name from a file list.

Map Presentation 300 closest displayable elements.

Elements Per Map Any number. Recommended maximum = 1000.

Map Editing By cursor position via joystick (or trackerball) or by lat/long entry via on screenkeypad.

Map Layers Maps divided into 7 layers, each representing a specific class of data (e.g., trafficseparation zones). Layers operation selectable for display.

Symbol and Line Types Numerous types of ECDIS compatible symbols can be selected.

Map Storage Memory card on Standard Models. Internal on Basic Models.

Operational Range

Range Scale (nm) Range Ring (nm) Pulse Length0.125 0.025 Short0.25 0.05 Short0.5 0.1 Short or Medium0.75 0.25 Short or Medium1.5 0.25 Short or Medium3.0 0.5 Short, Medium or Long6.0 1.0 Medium or Long

12.0 2.0 Medium or Long24.0 4.0 Medium or Long48.0 8.0 Long96.0 16.0 Long

Note: The equivalent metric and statute mile calibration of scales and range rings is available as an option that may beselected via a password. For an IMO compliant radar, metric range or statute mile scales are NOT permitted.

Radar System Performance

Minimum Range 30m on 10sqm target measure with short pulse, 4.5m antenna height (mastheadtransceiver).

Range Discrimination 30m on 0.75nm range scale.

Bearing Discrimination Better than 2.5° with 1.2m antenna on 1.5nm range scale using 10sqm reflector ata range of 1nm.

Range Ring Accuracy 1% of the maximum range of the scale in use or 25m whichever is the greater.

Transmitter Characteristics

Magnetron Peak Power 3cm: 10 or 25kW nominal10cm: 30kW nominal

Pulse Length/prf Nominal 3cm: 0.05µs/1800Hz0.25µs/1800Hz0.8µs/785Hz

10cm: 0.05µs/1800Hz0.25µs/1800Hz0.8µs/785Hz

Pulse Generator Solid State with pulse forming network driving a magnetron

Configuration 10kW, 25kW and 30kW Tx/Rx either integral with turning unit or separately housedfor bulkhead installation

Receiver Characteristics

Type Logarithmic with low noise front end

Tuning Automatic or manual

IF Centered at 60MHz

IF bandwidth 3cm: 20MHz on short pulse and medium pulse3MHz on long pulse

10cm: 20MHz on short pulse and medium pulse3MHz on long pulse

Noise factor 3cm: 5dB nominal10cm: 5dB nominal

Antenna Characteristics

3cm 10cmAperture 4 ft. (1.2m) 6 ft. (1.8m) 8 ft. (2.4m) 9 ft. (2.7m) 12 ft. (3.5m)Horizontal beamwidth 2° 1.3° 1.0° 2.8° 2°Vertical beamwidth 24° 24° 24° 30° 30°Sidelobes within 10° (min) -23dB -23dB -23dB -- -23dBSidelobes within 15° (min) -- -- -- -23dB --Sidelobes outside 10° (min) -30dB -30dB -30dB -- -30dBSidelobes outside 15° (min) -- -- -- -28dB --Gain (nominal) 29dB 30dB 31dB 25dB 26dBPolarization Horizontal Horizontal Horizontal Horizontal HorizontalRotation 28/45rpm 28/45rpm nom. 28/45rpm nom. 50Hz 25/48rpm 50Hz 25/48rpm

60Hz 30/48rpm 60Hz 30/48rpmLimiting relative wind speed 100 knots 100 knots 100 knots 100 knots 100 knots

*9 ft. S Band antenna is approved for high speed craft only.

Display Features

Display Format CRT Resolution Desktop Deck Standing AC DC180 1365 x 1024 High ✔ ✔

180 1365 x 1024 High ✔ ✔

250 1365 x 1024 High ✔ ✔

250 1365 x 1024 Medium ✔ ✔

340 1024 x 768 Medium ✔ ✔

10cm Scanner (Comprising Antenna and Turning Unit)

3cm Scanner (Comprising Antenna and Turning Unit)

3600mm (12ft) Scanner Weight 163kg max.2750mm (9ft) Scanner Weight 150 kg max.

Forward

531

727With Masthead Transceiver

714

679

122

325

390

586

296

336.5

102

Forward

2500mm (8ft) Scanner Weight 55 kg max.1880mm (6ft) Scanner Weight 52 kg max.1270mm (4ft) Scanner Weight 50 kg max.

543

Turning Unit And Transceiver Power Supplies

Nominal Input Motor for 10cm Turning Unit Single phase 110V or 220V 50/60HzThree phase 110V, 220V or 440V 50/60Hz

3cm Transceiver AC 115V or 230VDC 24V to 32V (standard speed and 10kW only)

50/60Hz

Consumption Motor for 10cm turning unit Single phase 710VA (standard and high speed)Three phase 440VA (standard speed)

620VA (high speed)

3cm Transceiver 10kW TxRx Standard Speed 210w10kW TxRx High Speed 330w25kW TxRx Standard Speed 250w25kW TxRx High Speed 370w

10cm Transceiver 30kW TxRx 120w

Note: All power consumption figures assume maximum antenna size in 100 knot wind.In the case of the 10cm radar, the scanner is powered directly from the ship’s mains via a scanner control unit.The 3cm scanner is powered directly from the transceiver.

Display Power Supplies

Nominal Input AC 115V ± 10% or 230V ± 10% 47-64HzDC 24V - 32V (180 Displays only)

Consumption - All models 280w max.Note: Monitor derives power from Processor Unit.

Transmitter Characteristics

Magnetron Peak Power 3cm: 10 or 25kW nominal10cm: 30kW nominal

Pulse Length/prf Nominal 3cm: 0.05µs/1800Hz0.25µs/1800Hz0.8µs/785Hz

10cm: 0.05µs/1800Hz0.25µs/1800Hz0.8µs/785Hz

Pulse Generator Solid State with pulse forming network driving a magnetron

Configuration 10kW, 25kW and 30kW Tx/Rx either integral with turning unit or separately housedfor bulkhead installation

Receiver Characteristics

Type Logarithmic with low noise front end

Tuning Automatic or manual

IF Centered at 60MHz

IF bandwidth 3cm: 20MHz on short pulse and medium pulse3MHz on long pulse

10cm: 20MHz on short pulse and medium pulse3MHz on long pulse

Noise factor 3cm: 5dB nominal10cm: 5dB nominal

Antenna Characteristics

3cm 10cmAperture 4 ft. (1.2m) 6 ft. (1.8m) 8 ft. (2.4m) 9 ft. (2.7m) 12 ft. (3.5m)Horizontal beamwidth 2° 1.3° 1.0° 2.8° 2°Vertical beamwidth 24° 24° 24° 30° 30°Sidelobes within 10° (min) -23dB -23dB -23dB -- -23dBSidelobes within 15° (min) -- -- -- -23dB --Sidelobes outside 10° (min) -30dB -30dB -30dB -- -30dBSidelobes outside 15° (min) -- -- -- -28dB --Gain (nominal) 29dB 30dB 31dB 25dB 26dBPolarization Horizontal Horizontal Horizontal Horizontal HorizontalRotation 28/45rpm 28/45rpm nom. 28/45rpm nom. 50Hz 25/48rpm 50Hz 25/48rpm

60Hz 30/48rpm 60Hz 30/48rpmLimiting relative wind speed 100 knots 100 knots 100 knots 100 knots 100 knots

*9 ft. S Band antenna is approved for high speed craft only.

Display Features

Display Format CRT Resolution Desktop Deck Standing AC DC180 1365 x 1024 High ✔ ✔

180 1365 x 1024 High ✔ ✔

250 1365 x 1024 High ✔ ✔

250 1365 x 1024 Medium ✔ ✔

340 1024 x 768 Medium ✔ ✔

10cm Scanner (Comprising Antenna and Turning Unit)

3cm Scanner (Comprising Antenna and Turning Unit)

3600mm (12ft) Scanner Weight 163kg max.2750mm (9ft) Scanner Weight 150 kg max.

Forward

531

727With Masthead Transceiver

714

679

122

325

390

586

296

336.5

102

Forward

2500mm (8ft) Scanner Weight 55 kg max.1880mm (6ft) Scanner Weight 52 kg max.1270mm (4ft) Scanner Weight 50 kg max.

543

Turning Unit And Transceiver Power Supplies

Nominal Input Motor for 10cm Turning Unit Single phase 110V or 220V 50/60HzThree phase 110V, 220V or 440V 50/60Hz

3cm Transceiver AC 115V or 230VDC 24V to 32V (standard speed and 10kW only)

50/60Hz

Consumption Motor for 10cm turning unit Single phase 710VA (standard and high speed)Three phase 440VA (standard speed)

620VA (high speed)

3cm Transceiver 10kW TxRx Standard Speed 210w10kW TxRx High Speed 330w25kW TxRx Standard Speed 250w25kW TxRx High Speed 370w

10cm Transceiver 30kW TxRx 120w

Note: All power consumption figures assume maximum antenna size in 100 knot wind.In the case of the 10cm radar, the scanner is powered directly from the ship’s mains via a scanner control unit.The 3cm scanner is powered directly from the transceiver.

Display Power Supplies

Nominal Input AC 115V ± 10% or 230V ± 10% 47-64HzDC 24V - 32V (180 Displays only)

Consumption - All models 280w max.Note: Monitor derives power from Processor Unit.

OVER 400 WORLDWIDETECHNICAL SERVICE

MANAGEMENTLOCATIONS

Litton Marine

Litton Marine SystemsHome of Sperry Marine Products1070 Seminole TrailCharlottesville, Virginia22901-2891 USAPH: +1-804-974-2000FAX: +1-804-974-2259ISO 9001

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Sperry Marine, Decca,C.Plath. From these threegreat companies LittonMarine Systems has fashioned the new leader inmarine technologies andinnovation. Building on thestrengths each has earnedin the marketplace this newpartnership in quality nowstands paramount in providing the products andservices that the marinecommunity depends upon.

© Litton Marine Systems 1999 BR-0037B • 3M • 10/99 Printed In The U.S.A

BridgeMaster E 250

BridgeMaster E 340

680

991

1301

854

526

631

547

538

401567

435

Options Available for Standard Models

• ‘Vision’ automatic clutter and gain control system.• ATA or ARPA (not 180 Models) capability.• High resolution 250 monitor.• Performance Monitor.• Monitor Buffer Board to output R, G, B, V synch and H synch to remote auto-sync color monitor.• Special compass board for 1:1, 36:1, 90:1, and 180:1 systems.• Roller Ball instead of Joystick.• Keyboard with the following discrete controls VRM, EBL, Gain, A/C Sea, A/C Rain, Range Up,

Range Down, TM/RM, True/Rel Vectors, Centre Picture, Acknowledge Alarm, Panel Brilliance.• Interface Unit to provide remote alarm, vigilance alarm and 3 extra I/O ports (two I/O standard).

BridgeMaster E 180

All specifications herein were in effect on the date of this publication. Equipment supplied, however, may vary from thatspecified because of Litton Marine’s policy of continual product improvement.

Weight: 48kg

Weight: 28kg

Weight: 205kg

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