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MD69BRX

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11.7 Azimuth Sight Operation (optional accessory)

The MARINE DATA MD69AZI Azimuth Sight (Thomson Pattern) meets the International Standard

ISO 25862:2009 for the testing and certification of Group II Azimuth reading devices.

CAUTION: Always use Sun filters when taking azimuth bearings of the Sun; never
attempt to take bearings of the Sun with unprotected eyes.

11.7.1 Taking Bearings:

Terrestrial Bearings

For taking bearings of landmarks or objects with low luminosity (the arrow on the prism adjustment
thumbwheels = DOWN). A distant object is sighted directly by eye with the compass card being
simultaneously viewed indirectly through the prism. Maximum altitude 34° above the horizon.

Celestial Bearings

For  taking  bearings  of  the  Sun  or  other  celestial  objects  (the  arrows  on  the  prism  adjustment
thumbwheels  =  UP).  The  compass  card is  viewed directly  through  the  collimating  lens,  with  a
distant  object  being  simultaneously  viewed  indirectly  through  the  reflecting  prism.  Maximum
altitude 60° above the horizon.

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Содержание F069036

Страница 1: ...USER MANUAL MD69BRX F069036 UNIVERSAL MOUNT COMPASS BEARING REPEATER FOR RETROFIT MD69BR MA v06r01 2019 11 19 ENGLISH ...

Страница 2: ......

Страница 3: ...ng the Unit 13 9 3 Pin Connections by function 14 9 4 Typical Connection Diagram 15 10 COMMISSIONING THE PRODUCT 16 10 1 Product Registration 16 11 OPERATION 17 11 1 Operator Controls and Indicators 17 11 2 Normal Operation 18 11 3 Illumination Control 18 11 4 Heading Type Indication 18 11 5 Loss of Data Indication 18 11 6 Automatic Baud Rate Detection 18 11 7 Azimuth Sight Operation optional acce...

Страница 4: ...ial oscillating 35 degrees 20 12 3 Technical Support 21 12 4 Reporting a Fault 21 13 SPECIFICATIONS 22 13 1 Physical 22 13 2 Electrical 22 13 3 Operational 22 13 4 Environmental 23 13 5 Additional Information 23 14 SPARE PARTS ACCESSORIES 24 15 GROUNDING AND SHIELDING 26 16 SAFETY AND SECURITY 26 17 GLOSSARY OF TERMS 27 18 ABOUT MARINE DATA 28 ...

Страница 5: ...MD69BRX 5 1 MD69BRX BEARING COMPASS REPEATER MD69BRX Bowl Dual Scale concentric dials Outer Verge Ring Heading Type Indicators Local Dimming Knob MD69BRX top view MD69BRX bottom view ...

Страница 6: ...tles of each section 2 document cross references 3 the table of contents This document may therefore be navigated quickly and effectively by using a mouse or other pointing device to activate each of these hyperlinks This is a printer friendly document designed to be printed 2 sided as a booklet with A5 pages on A4 stock paper An electronic Portable Document Format PDF of this manual is also avail...

Страница 7: ...communicated to any other person without the written permission of Marine Data The recipient of this document as its registered holder must exercise due diligence in ensuring that the above conditions are observed Errors and Omissions Excepted Any enquiries relating to this document or its contents should be addressed in writing in the first instance to Marine Data MARINE DATA SYSTEMS LIMITED Vitt...

Страница 8: ...ial to be read accurately The dials are illuminated for easy reading and dimmable to allow the repeater to be viewed in any lighting condition from full sunlight to total darkness The illumination level is adjustable down to zero so that night vision is not affected Dimming can be controlled either by the rotary control mounted on the repeater bowl or by a remote dimmer The MD69BRX has two indicat...

Страница 9: ...s a stepper motor connected to the dial On application of power the dial is rotated to align to a zero reference position controlled by an optical switch Subsequently on reception of valid data the dial is driven to display the received heading When updated heading information is transmitted to the Repeater the dial will then follow this new heading Sophisticated firmware embedded in the micro con...

Страница 10: ... HDG x x hh CR LF Heading Magnetic Heading Data not corrected for the Earth s Magnetic Variation and the vessel s Deviation HDM HDM x x M hh CR LF Heading Magnetic Heading Data not corrected for the Earth s Magnetic Variation or the vessel s Deviation 7 SPECIAL FEATURES Dual Scale dial type display of Heading readable to 0 1 Designed for taking Terrestrial or Celestial Bearings with Azimuth Sight ...

Страница 11: ...MD69BRX 11 8 MAJOR DIMENSIONS 8 1 MD69BRX B1 Retrofitting Kit Dimensions ...

Страница 12: ...MD69BRX 12 8 2 MD69BRX P1 P2 Retrofitting Kit Dimensions 274 ...

Страница 13: ...tion F069302 9 2 Fitting the Unit 1 Inspect the mounting position for suitable clearance and cable access For mounting dimensions refer to section 8 MAJOR DIMENSIONS 2 Secure the MD69BRX in place with the chosen mounting options 3 Review the system cable conductors and their function 4 Identify the vessel s wiring functions It is recommended that a note be made of the vessel s wiring functions for...

Страница 14: ...ximum Illumination Isolate or connect to supply negative if not used PK 4 Do Not Connect Isolate or connect to ground if not used BN 5 Input RDA NMEA 0183 IEC 61162 1 Data Input A GN 6 Input RDB NMEA 0183 IEC 61162 1 Data Input B BU 7 Output TDA NMEA 0183 IEC 61162 1 Data Output A Isolate if not used GY 8 Output TDB NMEA 0183 IEC 61162 1 Data Output B Isolate if not used YE Earth Chassis Chassis C...

Страница 15: ...MD69BRX 15 9 4 Typical Connection Diagram ...

Страница 16: ...g the integral rotary dimmer control or a remote dimmer if connected Be sure to fill out the product registration form and return it to Marine Data This activates the warranty 10 1 Product Registration Be sure to register your product online at www marine data co uk You will need Product Type e g MD69BRX Product Serial No Vessel on which the product is installed Installation Date Installer Custome...

Страница 17: ...11 OPERATION 11 1 Operator Controls and Indicators Rotary Dimmer Control Lubber Line True Heading Type Indicator Blue Magnetic Heading Type Indicator Yellow 360 Outer Dial 10 Inner Dial 36 1 ratio Verge Ring fixed ...

Страница 18: ...ain lit at a very low level to allow reading of the indicators in total darkness 11 4 Heading Type Indication The type of heading being displayed depends on the received data The respective TRUE HEADING or MAGNETIC HEADING indicator will illuminate to indicate the type of heading being displayed If both heading types are available the dial will default to TRUE 11 5 Loss of Data Indication The MD69...

Страница 19: ...earings For taking bearings of landmarks or objects with low luminosity the arrow on the prism adjustment thumbwheels DOWN A distant object is sighted directly by eye with the compass card being simultaneously viewed indirectly through the prism Maximum altitude 34 above the horizon Celestial Bearings For taking bearings of the Sun or other celestial objects the arrows on the prism adjustment thum...

Страница 20: ...g source data for the presence of a valid heading data sentence refer to section 11 5 Loss of Data Indication for details of indication in the case of no data 12 2 3 Display Illumination not functioning If remotely controlled an incorrect control signal may be being received check wiring and signals The internal LED illumination devices may be damaged or there may be damage to the PCB or rotary di...

Страница 21: ... will require to process a fault enquiry About the suspect fault 1 Describe the signs that suggest there is a fault condition 2 Describe when and how often the fault occurred Was this coincidental with the operation of other equipment or procedures 3 Describe the indications and the alarm status when the fault occurs 4 What was the power supply voltage when the fault occurred 5 Describe the enviro...

Страница 22: ...t 4800 9600 19200 38000 Baud Auto Selecting Data sentences THS THS x x S hh CR LF HDT HDT x x T hh CR LF HDG HDG x x x x a x x a hh CR LF HDG HDG x x hh CR LF HDM HDM x x M hh CR LF Data outputs Dual Dial Display LED Indicators Remote Dimming Control Input 0 24 V dc with respect to supply negative 13 3 Operational Performance 0 01 resolution Follow up Rate 20 per second Gimbal Action 45 pitch and ...

Страница 23: ...62288 2014 BSI 2016 BS ISO 8728 2014 BSI 2014 BS ISO 16328 2014 BSI 2014 IMO Res A 424 XI IMO 1979 IMO Res A 821 19 IMO 1995 IMO Res MSC 36 63 IMO 1994 IMO Res MSC 97 73 IMO 2000 IMO Res MSC191 79 IMO 2004 Type Approval RoHS Compliant 13 5 Additional Information Remote dimming option available Illumination colour and relative brightness levels are factory adjustable subject to MOQ Marine Data rese...

Страница 24: ...ORIES Part No Description Visual F069018 MD69BRX Bearing Compass Repeater Bowl Only F069303 MD69BRX B1 Bearings Mounting Kit 243mm Pitch F069301 MD69BRX P1 Pins Mounting Kit 254mm Pitch F069302 MD69BRX P2 Pins Mounting Kit 274mm Pitch ...

Страница 25: ...MD69BRX 25 SS37120 Remote Dimmer Control F069013 MD69AZI Azimuth Sight Thomson Pattern F060001 MD60A2K Telescopic Alidade F069052 MD69BC Bearing Circle Vane Type ...

Страница 26: ...ocedures Ensure power is disconnected and locked out in the event of mechanical damage to the unit rendering internal parts accessible to personnel Only the electrical power of the specified voltage should be connected to the unit In the event of damage to the glass Care should be taken to prevent injury from any sharp edges that may be exposed The foundation to which the unit is mounted should be...

Страница 27: ...data specification for communication between marine electronic devices as specified by National Marine Electronics Association Equivilant to IEC61162 1 PCB Printed Circuit Board RAL7040 Paint colour specification RAL is a European standard colourspace and derives from Reichs Ausschuß für Lieferbedingungen und Gütesicherung from the German Imperial Commission for Delivery Terms and Quality Assuranc...

Страница 28: ... leading leisure operators including P O and Disney In the fishing industry Marine Data is there to help the world s fishing skippers harvest the sea safely under the most arduous of conditions Success is based on our tried and tested products and on designing tailored solutions for our customers Alongside our proven talent for providing innovative solutions we place a great deal of emphasis on qu...

Страница 29: ...MARINE DATA SYSTEMS LIMITED Vittlefields Technology Centre Forest Road NEWPORT Isle of Wight PO30 4LY UNITED KINGDOM tel 44 0 1983 822180 email sales marine data co uk web www marine data co uk ...

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