Thales DVOR 432 Technical Manual
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Thales DVOR 432 Technical Manual

Thales DVOR 432 Technical Manual

Doppler vhf omnidirectional radio range for aiprorts
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Reference No. 83130 55024
DVOR 432
VHF Omnidirectional Radio Range
Doppler
Technical Manual
Part 2
Operation and Maintenance
As for details, the electrical and mechanical information given in the
documentation supplied with each equipment prevails
All rights reserved
E 2004
Thales ATM GmbH
Stuttgart
Printed in Germany

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  • Page 1 Reference No. 83130 55024 DVOR 432 VHF Omnidirectional Radio Range Doppler Technical Manual Part 2 Operation and Maintenance As for details, the electrical and mechanical information given in the documentation supplied with each equipment prevails All rights reserved E 2004...
  • Page 3 NAVAIDS Conventional Navaids Documentation Structure DVOR 432 The equipment documentation comprises: Part Technical Manuals Code No. Equipment Description (incl. Annex NF) 83130 55023 Operation and Maintenance (incl. Annex NF) 83130 55024 Volume Drawing Set Code No. Standard Delivery List, Parts List,...
  • Page 5 DVOR 432 Operation and Maintenance Preliminary Remarks PRELIMINARY REMARKS The equipment manuals for DVOR 432 (50 W and 100 W, single or dual) comprise: PART CONTENTS CODE NO. Equipment Description 83130 55023 Operation and Maintenance 83130 55024 This Technical Manual Part 2 includes the Operation and Maintenance with the chapters below:...
  • Page 6 DVOR 432 Preliminary Remarks Operation and Maintenance Table of effective pages Basic edition: 01.02 / Revised edition: 01.04 Pages Ed.-No. Remarks Title 01.04 A to B 01.04 I to X 01.04 AV-1 to 16 01.04 1-1 to 10 01.04 2-1 to 46 01.04...

  • Page 7: Table Of Contents

    DVOR 432 Operation and Maintenance Table of Contents TABLE OF CONTENTS Section Title Page CHAPTER 1 GENERAL INFORMATION ......... . .
  • Page 8 DVOR 432 Table of Contents Operation and Maintenance Section Title Page 2.4.5 Installation of the Monitor Dipole ........
  • Page 9 ............2-38 2.7.2.4 Configuration of DVOR 432 and DME FSD 40/45 ..... . . 2-38 2.7.3...

  • Page 10: Section Title Page

    DVOR 432 Table of Contents Operation and Maintenance Section Title Page CHAPTER 4 ALIGNMENT PROCEDURE ......... .
  • Page 11 DVOR 432 Operation and Maintenance Table of Contents Section Title Page 5.4.1.2.3 Relationship between the Acid Density and the Temperature ... . . 5.4.1.2.4 Basic Rules for Handling Batteries ........
  • Page 12 DVOR 432 Table of Contents Operation and Maintenance Section Title Page 6.2.1.1.3 Handling Electrostatically Sensitive Subassemblies ..... 6-13 6.2.1.1.4 Components containing beryllium oxide ceramics .
  • Page 13 DVOR 432 Operation and Maintenance Table of Contents LIST OF FIGURES Fig.-No. Title Page Fig. 1-1 DVOR in 10 ft container shelter for all types of transport ....

  • Page 14: Fig.-No. Title Page

    ....... . . 2-35 Fig. 2-32 Interface Assignment of LGM2 and DME-Ident in DVOR 432 ... . 2-39 Fig.
  • Page 15 DVOR 432 Operation and Maintenance Table of Contents Fig.-No. Title Page Fig. 3-8 System Status window with status 'WARNING', example 3 ....Fig. 3-9 System Control window TRANSMITTER CONTROLS, example .
  • Page 16 DVOR 432 Table of Contents Operation and Maintenance Ed. 01.04...
  • Page 17 NAVAIDS 400 Conventional Navaids List of Abbreviations ABKÜRZUNGSVERZEICHNIS LIST OF ABBREVIATIONS LISTE D'ABRÉVIATIONS LISTA DE ABREVIATURAS Antenne Antenna Antena Alternating Current Courant alternatif Corriente alterna Analogical Carrier Amplifier (BITE signal) Amplificateur pour porteurs analogiques (signal BITE) Amplificdor portador analogico (señal BITE) Alternating Current Converter Analog-Digital Converter Convertisseur analogique/numérique...
  • Page 18 NAVAIDS 400 List of Abbreviations Conventional Navaids AMPlifier Amplificateur Amplificador ANSI American National Standards Institute Alternating SideBand Bandes latérales alternantes Banda lateral alternante Antenna Switch Control Commutateur d'antennes de commande Control de conmutador de antena ASCII American Standard Code for Information Interchange Code standard américain pour l'échange d'informations Código stándard americano para el intercambio de informaciones Antenna Switch Module...
  • Page 19 NAVAIDS 400 Conventional Navaids List of Abbreviations BefehlsKennZahl Command code number Numéro indicatif de commande Número indicador de orden Bayonet Navy Connector Koaxialverbinder mit Bayonetkupplung Backplane Rückwandverdrahtung bro. broches polig Betriebs- und Schutzerde System and protective ground Prise de terre de système et terre de protection Puesta a tierra del sistema y de protección BSG-D Blending Signal Generator...
  • Page 20 NAVAIDS 400 List of Abbreviations Conventional Navaids Course Deviation Indicator Indicateur de déviation (cap) Indicador de desviaciòn de rumbo CD-ROM Compact Disc - Read Only Memory Disque compact -Mémoire à lecture Disco compacto - Memoria permanente Conformité Européen oder/or/ou Communautés Européennes International Commmision on Rules for the Approval of Electrical Equipment CLR;...
  • Page 21 NAVAIDS 400 Conventional Navaids List of Abbreviations Continuous Wave Fortlaufende Welle Ondes continues Ondas continuos Digital/Analog Converter Convertisseur numérique/analogique Convertidor digital/analógico DME-based Azimuth System Système d'azimut basé DME Sistema de acimut basado en DME Direct Current Courant continu Corriente continua DC-Converter Convertisseur de courant continu (Convertisseur CC) Convertidor de corriente continua (convertidor CC)
  • Page 22 NAVAIDS 400 List of Abbreviations Conventional Navaids Double Sideband Bandes latérales doubles Banda lateral doble Digital Signal Processing Digitaler Signal Prozessor Data Set Ready Enregistrement des données prêt Registro de datos listo Data Terminal Ready Terminal de données prêt Terminal de datos listo Distribution Unit Verteilereinheit Ensemble de distribution...
  • Page 23 NAVAIDS 400 Conventional Navaids List of Abbreviations Feldeffekttransistor Field-effect transistor Farfield Monitor (FF) Moniteur de champ lointain (zone Fraunhofer) Monitor campo lejano FIFO First In/First Out Premier entré/premier sortie Primera entrada/primera salida Frequency Modulation Modulation de fréquence Modulación de frecuencia Functional Protection Earth Betriebsschutzerde Frequency-Shift Keying...
  • Page 24 NAVAIDS 400 List of Abbreviations Conventional Navaids INTFC Interface Board for monitor Schnittstellenkarte für Monitor Platine d'interface du moniteur Placa enchufable de la interfase de monitor I/O-Port Input/Output-Port Ein-/Ausgabeport Porte d'entrée/sortie Puerto de entrada/salida International Organization for Standardization Internationale Organisation für Normung Organisation Internationale de Normalisation In Phase/Quadraturphase In-phase/Quadratur-phase...
  • Page 25 NAVAIDS 400 Conventional Navaids List of Abbreviations Leiterplatte Printed circuit board Plaquette à circuits imprimé Placa de circuito impreso Low Pass Filter Filtre passe-bas Filtro de paso bajo LRCI Local/Remote Communication Interface Line Replaceable Unit LSB (1) Lower Sideband (HF DVOR) Bandes latérales inférieures Banda lateral inferior LSB (2)
  • Page 26 NAVAIDS 400 List of Abbreviations Conventional Navaids Metallic Oxide Semiconductor Semi-conducteur métal oxyde Semiconductor de óxido metálico Minimum Performance Specification Spécification de rendement minimum Especificación de rendimiento mínimo Marker Processing Unit Unité de marqueur de traitement Procesador de radiobaliza Most Significant Bit Modulation Signal Generator Générateur de signaux de modulation Generador de señal de modulación...
  • Page 27 NAVAIDS 400 Conventional Navaids List of Abbreviations Niederfrequenz Audio frequency Basse fréquence Baja frecuencia Niederfrequenzknoten (Sternverteiler) Star distributor (for audio frequency) Nearfield Monitor Moniteur de champ proche Monitor campo cercano Nautical Mile Mile nautique Milla náutica Normally open Normalement ouvert Normalmente abierto Optocoupler Adapter Board Platine d'adaptateur d'optcoupleur...
  • Page 28 NAVAIDS 400 List of Abbreviations Conventional Navaids Phase Monitor and Control Moniteur de phase et commande Monitor de fase y control Power Management Module Power on Parallel POSN./Pos. Position Posición PROM Programmable Read Only Memory Mémoire à lecture seule et programmable Memoria permanente programada PRUM Protector Unit Marker...
  • Page 29 NAVAIDS 400 Conventional Navaids List of Abbreviations RCMS Remote Control Monitoring System Système de télécommande et de surveillance Sistema de control y monitoreo remotos RCSE Remote Control and Status Equipment RCSR Remote Control Service Routine Routine de service de télécommande Rutina de servicio de control remoto RCSU Remote Control Status Unit...
  • Page 30 NAVAIDS 400 List of Abbreviations Conventional Navaids Receiver Récepteur Receptor Receiver Clock Rythme du récepteur Reloj de receptor Receiver Data Données de récepteur Datos de receptor RXRDY Receiver Ready Récepteur prêt Receptor listo Switch Commutateur Conmutador Sideband Bandes latérales Banda lateral SB1, SB2 Sideband 1, Sideband 2 Bandes latérales 1, 2...
  • Page 31 NAVAIDS 400 Conventional Navaids List of Abbreviations STOL Short Take-Off and Landing Système de décollage et d'atterissage court Despegue y aterrizaje corto Summensignal Summation Signal Signal de la somme Señal de suma Software SYN (1) Synchronisation Synchronisation Sincronización SYN (2) Synthesizer TACAN Tactical Air Navigation...
  • Page 32 NAVAIDS 400 List of Abbreviations Conventional Navaids TXRDY Transmitter Ready Emetteur prêt Transmisor listo USART Universal Synchronous/Asynchronous Receiver/Transmitter Récepteur/émetteur universel synchrone/asynchrone Receptor/transmisor universal síncrono/asíncrono Upper Sideband (HF DVOR) Bandes latérales supérieures Banda lateral superior Ultraviolet Ultraviolet Ultravioleta Voice Amplifier Amplificateur vocal Amplificador vocal Voltage Controlled Oscillator Video Graphic Adapter...

  • Page 33: Chapter 1 General Information

    DVOR 432 Operation and Maintenance General Information CHAPTER 1 GENERAL INFORMATION STORING AND UNPACKING THE EQUIPMENT 1.1.1 General The equipment should be unpacked as soon as possible in order to check that it is complete and intact. The place of storage used for any intermediate storage period must be dry. The temperature range specified in the technical data in Part 1 must be conformed with.

  • Page 34: Fig. 1-3 Packaging For Rail And Road Transport

    DVOR 432 General Information Operation and Maintenance CAUTION The packaging with the transmitter rack (Fig. 1-3) should always be laid down so that the pallet (Fig. 1-3/4) is at the bottom. In addition arrows and inscriptions painted on the crate indicate the side which must face upwards.

  • Page 35: Storing And Unpacking The Dvor Antennas

    DVOR 432 Operation and Maintenance General Information STORING AND UNPACKING THE DVOR ANTENNAS The 51 DVOR antenna domes (see Fig. 1-4) are supplied in 51 crates with dimensions approximately 750 x 750 x 750 [mm], weight approx. 30 kg each. No more than three crates should be stacked on top of each other.

  • Page 36: General Installation Information

    It is the task of the site supervisor or construction manager to make available the materials supplied by Thales ATM, independently procured special materials and tools. For every site strict attention should be paid to safety regulations issued by the local authorities.

  • Page 37: Personnel Requirement

    Tools and Special Materials The delivery list provided by Thales ATM should be checked at as early a date as possible in order to identify materials not included in Thales ATM's scope of delivery which may be essential for the infrastructure of the overall installation.
  • Page 38 DVOR 432 General Information Operation and Maintenance Ed. 01.04...

  • Page 39: List Of Recommended Instruments And Accessories

    This equipment (or that with comparable characteris tics) is normally present at the site. If not, it can be supplied optionally by Thales ATM. A selection of necessary equipment and accessories to be provided can be defined in consultation with Thales ATM.
  • Page 40 DVOR 432 General Information Operation and Maintenance Ed. 01.04...
  • Page 41 Navaids 400 Operation and Maintenance General Information CVOR DVOR Marker Designation Code No . Remarks/T ype Digital Voltmeter 97991 28217 Dual trace oscilloscope 97991 28454 TDS 360 Thruline Wattmeter 97991 28040 0.45...2300 MHz Monitor dipole, mobile 58317 24019 Dipole 60 cm 38826 28006 Mon.
  • Page 42 Navaids 400 General Information Operation and Maintenance CVOR DVOR Marker Designation Code No Remarks/T ype Adapter 24334 20412 TNC fem./N male BN 725800 Adapter 24334 28017 SMA male/TNC fem. BN150907 Adapter 24334 28018 SMA fem./TNC male BN150908 RF-cable, 0,5 m 24029 28051 TNC male/male RF-cable, 2 m...

  • Page 43: Chapter 2 Installation

    DVOR 432 Operation and Maintenance Installation CHAPTER 2 INSTALLATION SELECTING THE INSTALLATION SITE The area in which a DVOR is to be installed is determined by the responsible Civil Aviation Authority according to the international air traffic regulations. This area is generally sufficiently large to allow a point with the optimum topography and thus the optimum propagation conditions to be choosen.

  • Page 44: Foundations For Dvor Counterpoise And Shelter

    DVOR 432 Installation Operation and Maintenance FOUNDATIONS FOR DVOR COUNTERPOISE AND SHELTER See Fig. 2-2, 2-3. The following drawings show the foundations for counterpoises with heights of 3 m, 5 m, 7 m, 10 m and the corresponding shelter foundations. The drawings are for information only.

  • Page 45: Fig. 2-3 Foundations For Dvor Counterpoise And Shelter (For Information Only)

    DVOR 432 Operation and Maintenance Installation 3225 5604 3225 3225 5604 3225 DVOR-counterpoise; foundation drawing (for information only) 15° 15° 30° 1747 3026 1747 1747 3026 1747 30° 30° 30° ∅13500 2490 15° 15° cable input power/tel 1040 cable box...

  • Page 47: Dvor Container Shelter

    The Navaids equipment can be supplied already installed in a 10 ft Standard Shelter (type 1D) which is offered by Thales ATM. To cover the requirements the shelter is based on the definition on transport containers ISO/DIN standards. The shelter consists of a self-supporting, distortion resistant steel frame construction with eight ISO corners and walls made of sandwich panels in standardized con tainer dimensions.

  • Page 48: Fig. 2-6 Standard Shelter, Ground Plan And Electrical Installation Dvor (Example)

    DVOR 432 Installation Operation and Maintenance 10 ft Container Shelter Air Conditioner (option) Â Â Concrete foundation Lead through used for DVOR antenna Location of Navaids 400 cabinets connections (DVOR, ASU, DME) Ventilation of battery box Battery Box Wiring Diagram of electrical Installation...

  • Page 49: Installation Of The Dvor Antennas

    DVOR 432 Operation and Maintenance Installation INSTALLATION OF THE DVOR ANTENNAS 2.4.1 General This chapter describes the installation and adjustment of the DVOR antennas. The installation of the counterpoise with associated supports and framework, and the framework decking are normally part of the civil works section and not included in this description.

  • Page 50: Antenna Mounting

    DVOR 432 Installation Operation and Maintenance pipes, radially arranged U-girder Fig. 2-8 Pipes for guiding the antenna cables 2.4.2 Antenna mounting See Figs. 2-9 to 2-13. 2.4.2.1 Lifting the Antennas onto the Counterpoise The DVOR antennas comprising antenna dome, decoupling module and vertical pipe (installed) are lifted with their packaging over the outer edge and onto the counterpoise.

  • Page 51: Installation Of The Sideband Antennas

    DVOR 432 Operation and Maintenance Installation 2.4.2.3 Installation of the Sideband Antennas First install antenna 1. The installation point of this antenna should be selected with the aid of a com pass such that it is aligned approximately with North with respect to the middle antenna (Fig. 2-10).

  • Page 52: Fig. 2-12 Spacing Of Vertical Pipes Of Sideband Antenna

    DVOR 432 Installation Operation and Maintenance Install antenna 2 in the same way as antenna 1 and to the left of it (as seen from the middle antenna), such that with a vertical pipe diameter of 127 mm the distance between the outer edge of pipe 1 and the outer edge of pipe 2 is 720 mm (Fig.

  • Page 53: Rf Cabling Of Antennas

    DVOR 432 Operation and Maintenance Installation 2.4.3 RF Cabling of Antennas See Figs. 2-14 to 2-17. 2.4.3.1 General The RF cables between the antennas and the opening in the shelter wall are marked from 1 to 51 at both ends by means of cable markers.

  • Page 54: Fig. 2-17 Cabling To The Shelter

    DVOR 432 Installation Operation and Maintenance The supply cables should be fed through the pipes mounted below the counterpoise to the center, and from there via the U-girder and the cable box to the shelter (Fig. 2-8, 2-17). Excessive lengths of cable are cleared in a cable box at the lower end of the U-girder.

  • Page 55: Preliminary Settings And Mechanical Alignment Of The Sideband

    DVOR 432 Operation and Maintenance Installation 2.4.4 Preliminary Settings and mechanical Alignment of the Sideband Antennas See Figs. 2-18 to 2-20. CAUTION Care should be taken when removing the covers from the carrier and sideband antennas to ensure that no rain can penetrate into the lower section of the antenna or come into contact with the antenna elements.

  • Page 56: Fig. 2-20 Aligning The Sideband Antenna With The Aid Of Bearing Markers

    DVOR 432 Installation Operation and Maintenance [mm] frame Fig. 2-19 Plate separation distance of capacitors C as a function of the operating frequency Bearing marker (pin) Clamping screws Sideband antenna Carrier antenna (middle antenna) Bearing marker Bearing marker (rear sight) (front sight) Fig.

  • Page 57: Installation Of The Monitor Dipole

    DVOR 432 Operation and Maintenance Installation 2.4.5 Installation of the Monitor Dipole See Figs. 2-21, 2-22. The monitor dipole is mounted on a mast at a height of 1.3 m above the antenna counterpoise. It should be installed at a distance of 180 ... 200 m from the center of the counterpoise. It is generally installed at magnetic north.

  • Page 58: Conversion Of S3000 Antennas To S4000/Nav400 Antennas

    DVOR 432 Installation Operation and Maintenance 2.4.6 Conversion of S3000 Antennas to S4000/NAV400 Antennas Dismantle the 39 sideband antennas and the carrier antenna in the center of the S3000 installation with associated vertical pipes from the installation ring or from the location in the center of the counter poise.

  • Page 59: Installation At The Rack In The Shelter

    Remote Control (RMMC). NOTE: For the Thales ATM shelter delivered with the navaids system all fuses are preinstalled. If the shelter is provided by the customer, he will be responsible for the installation includ ing a mains fuse box with arrester and a battery fuse box.
  • Page 60 DVOR 432 Installation Operation and Maintenance NOTE: The BCPS is a unit designed for "stationary operation", and its main connection and protection measures should conform to VDE 0875, Table 2, Paras. 6 and 7. The unit fulfils the protection class I of EN 60950. The following should be noted in particular: S A permanently wired mains connection is recommended.

  • Page 61: Connection Of Battery Set

    DVOR 432 Operation and Maintenance Installation 2.5.2.2 Connection of Battery Set See Fig. 2-23, 2-24 and 2-29. CAUTION When connecting the DC supply observe the correct polarity (+ and -). The battery set is connected via two pvc-insulated copper cables as per DIN 57281 with a cross- sectional area of 16 mm .

  • Page 62: Fig. 2-23 Connections At The Bcps Connection Plate, C-Bar And Bottom Plate

    DVOR 432 Installation Operation and Maintenance battery terminal measuring line ASU power transmitter rack C-bar mains terminal connector terminal terminal terminal terminal to ASU Signboard ASU cabinet rear BAT BAT Speedy +B-B PE FPE Â Â Â Â Â Â...

  • Page 63: Fig. 2-24 Cabling, Bcps Connection Plate, C-Bar And Bottom Plate (100 W Version)

    DVOR 432 Operation and Maintenance Installation BP-BCPS BP-C shelter ground mains filter bottom plate Speedy 26pin, male BCPS BCPS-OFF BCPS ON/OFF "L " = ON (HC-level BBCPS1 BBCPS2 Flat ribbon cable Status-report Modul defective BBCPS3 = "L "-(HC-level) BBCPS4 5,19...

  • Page 64: Connections At Transmitter And Asu Rack

    DVOR 432 Installation Operation and Maintenance 2.5.3 Connections at Transmitter and ASU Rack See Fig. 2-25, 2-29. 2.5.3.1 RF/AF Connections Make the following cable connections inside the shelter: Transmitter Rack Cable No. ASU Rack CSB IN ASU Control BCPS BCPS Bite Transmitter Rack Cable No.

  • Page 65: Pin-Assignment Asu Interface Connector (Intern, Subd, 37Pin, Female)

    DVOR 432 Operation and Maintenance Installation 2.5.3.2 Pin-Assignment ASU Interface Connector (intern, SubD, 37pin, female) See Fig. 2-25. PIN ASSIGNMENT PIN ASSIGNMENT PIN ASSIGNMENT P9b0 P9a1 ADVOR P9b2 P9a3 P9b4 P9a5 MO10KHZ P9b6 P9a7 P9c4 P9c1 ASU MVD On P9c6...
  • Page 66 DVOR 432 Installation Operation and Maintenance 2-24 Ed. 01.04...

  • Page 67: External Interface Connection

    DVOR 432 Operation and Maintenance Installation 2.5.4 External Interface Connection See Fig. 2-25, 2-28. The following connectors are available on the top and front of the transmitter cabinet: - DME-IDENT analog DME interface - DIAGNOSIS communication interface diagnostics - LGM1...

  • Page 68: Lgm2/Dme

    DVOR 432 Installation Operation and Maintenance 2.5.4.4 LGM2/DME SubD, 9pin, male, from connector X93 or X98 BP-CE; X93 = LGM modem output ASSIGNMENT ASSIGNMENT X98 = TTL/RS232 (direct) ASSIGNMENT ASSIGNMENT X98 = RS422 (direct) ASSIGNMENT ASSIGNMENT TXD+ RXD+ TXD- RXD-...

  • Page 69: Analog

    DVOR 432 Operation and Maintenance Installation 2.5.4.6 ANALOG SubD, 9pin, female, from connector X84 BP-CD ASSIGNMENT ASSIGNMENT ANALOG-IN1 ANALOG-IN2 ANALOG-IN3 ANALOG-IN4 ANALOG-IN5 ANALOG-IN6 15 VN-A (-15 V) 15 VP-A (+15 V) AGND 2.5.4.7 Local PC SubD, 9pin, male, from connector X4 of LCP...
  • Page 70 DVOR 432 Installation Operation and Maintenance 2.5.4.10 OIO LCP OUT SubD, 25pin, female, from connector X2 of LCP via X82 BP-C ASSIGNMENT ASSIGNMENT COM3 (common connect 3) 14 COM4 (common connect 4) TTLOUT2 OAUX0 (internal use) OAUX1 OAUX2 OAUX3 OAUX4...

  • Page 71: External Interfaces, Cable Connections

    DVOR 432 Operation and Maintenance Installation 2.5.5 External Interfaces, Cable Connections 2.5.5.1 Connection of Remote Control RMMC - Dedicated line modem LGM1200MD: Connect a two wire line from RMMC to pins 1 and 2 of a SubD, 9pin connector and connect to connector LGM1 on top of the cabinet.

  • Page 72: Fig. 2-28 Interface Connections Transmitter Cabinet, Rear Side

    DVOR 432 Installation Operation and Maintenance Local PC operation, via connector Local PC on top of the cabinet Ê Ê Ê Ê Ê Ê X86 X79 X78 Analog signals to CSL (ext.) via connector ANALOG, top of Ê Ê Ê...

  • Page 73: Fig. 2-29 System Cabling Dvor

    DVOR 432 Operation and Maintenance Installation X1/J1* MONITOR-DIPOLE NOTE: The sideband antennas are connected via the matcher module (connector X1,X2); optionally the decoupling module (connector X1, X2,X3, X4) and the coupling cables are available. X1/J1* SHELTER to monitor dipole 24029 28373...

  • Page 75: Grounding

    DVOR 432 Operation and Maintenance Installation GROUNDING 2.6.1 General The type of grounding implemented is dependent on the local terrain. Consequently it is only possible to provide general guidelines here. Grounding conductors or rods are metallic elements of a particular form which are either driven into the ground or laid in the ground so as to cover a relatively large area.

  • Page 76: Ground Rods

    DVOR 432 Installation Operation and Maintenance The network should be laid as symmetrical to the DVOR station as possible. The necessary length and extension when laid in a straight line, should be estimated from the basic data below. Strip length...

  • Page 77: Measuring The Ground Resistance

    DVOR 432 Operation and Maintenance Installation 2.6.6 Measuring the Ground Resistance See Fig. 2-31 Three measurements must be performed over a large area in order to determine the ground resis tance precisely. The distance between 2 auxiliary grounds required must be large in relation to the complete ground network of the navigation installation.
  • Page 78 DVOR 432 Installation Operation and Maintenance When the three measurements have been performed the ground resistance is calculated as follows: Corr. meas. value 1 + corr. meas. 3 - corr. meas. value 2 Ground resistance = The measurement is falsified by the resistance of the 2 test leads. The cross-sectional area of the test leads should not be less than 1.5 mm...

  • Page 79: Collocation With Dme

    Overview See Figs. 2-33, 2-43, 2-44. This description concerns to the collocation of DME FSD 40/45 or DME 415/435 with a DVOR 432. The DME equipment is normally located in the DVOR shelter. To synchronize the identification, the collocated DME uses an interface with the DVOR system. To transfer "Maintenance" and "Status" of the DME a RS 232-cable connection is established between DVOR and DME if these are not con nected with an individual modem (internal or external) to the Tower resp.

  • Page 80: Iom-Version

    (DME cabinet) and to connector LGM2 on top of the DVOR cabinet. 2.7.2.4 Configuration of DVOR 432 and DME FSD 40/45 - DVOR 432: Set switch S5 (see Section 6.2.4) on front of the CSL (Ref.No. 83134 23101), which is set for stan dard use of the DVOR, to position "ASSOC."...

  • Page 81: Fig. 2-32 Interface Assignment Of Lgm2 And Dme-Ident In Dvor 432

    DMSL DMSR VOR OP DMOVS GND DME GND DME Fig. 2-32 Interface Assignment of LGM2 and DME-Ident in DVOR 432 AF distribution box Terminal bar Plug-in holder for overvoltage arrester removed Fig. 2-33 AF-distribution box, assignment of terminals (example) 2-39...

  • Page 82: Fig. 2-34 Csb-Version, I/O Panel At Cabinet Rear Side, Connection Dvor To Dme

    DVOR 432 Installation Operation and Maintenance Shelter 97240 28166 RS 232 24009 28148 DME-IDENT LGM2 I/O-Panel Adapter VOR (SK26) DVOR (FSD 40/45) (CSB-Version) Fig. 2-34 CSB-Version, I/O panel at cabinet rear side, connection DVOR to DME DVOR 432 DME FSD 40/45...

  • Page 83: Fig. 2-37 Csb-Version, I/O Panel On Cabinet Top, Connection Dvor To Dme

    DVOR 432 Operation and Maintenance Installation Shelter 97240 28166 RS 232 24009 28148 IFV/SK10 Adapter DME-IDENT LGM2 DVOR (FSD 40/45) (CSB-Version) Fig. 2-37 CSB-Version, I/O panel on cabinet top, connection DVOR to DME DVOR 432 DME FSD 40/45 connector DME-IDENT...

  • Page 84: Fig. 2-40 Iom-Version, Connector Panel At Cabinet Rear Side, Connection

    DVOR 432 Installation Operation and Maintenance Shelter 97240 28168 RS 232 24009 28148 DME-IDENT LGM2 (FSD 40/45) VOR (SK26) Adapter DVOR AUX 1 (IOM-Version) Fig. 2-40 IOM-Version, connector panel at cabinet rear side, connection DVOR to DME DVOR 432 DME FSD 40/45...

  • Page 85: Fig. 2-43 Cable Connections To Dvor And Dme Fsd 40/45

    DVOR 432 Operation and Maintenance Installation DVOR-Shelter alternativ FSD 40/45 FSD 40/45 DVOR 432 (CSB-Version) (CSB-Versison) LGM1 DME-IDENT (SK10) (SK10) 24009 28148 AF distribution box placing at disposal by the airport LGM1 AF distribution box Tower AF distribution box terminal bar...

  • Page 86: Connection Of Dme 415/435 To Dvor 432

    2.7.3.2 Configuration of DVOR 432 and DME 415/435 DVOR 432, setting switches or jumper of CSL (Ref. No. 83134 23101, see Section 6.2.4): - Set switch S5 to position ASSOC. (NAV 400 is Master) for the collocation with DME 415/435.

  • Page 87: Fig. 2-45 Collocation Cvor/Dvor With Dme 415/435

    DVOR 432 Operation and Maintenance Installation Shelter RS 232 cable 97240 28166 ID-cable 24009 28149 LGM2/DME DME-IDENT SK4/AF1 Adapter PL1/Port3 DVOR 415/435 Fig. 2-45 Collocation CVOR/DVOR with DME 415/435 DVOR 432 DME 415/435 connector DME-IDENT connector SK4/AF1 37pin, male 25pin, female...

  • Page 88: Installation Of The Dme Antenna

    DVOR 432 Installation Operation and Maintenance INSTALLATION OF THE DME ANTENNA See Fig. 2-48. The DME antenna is mounted on a mast which is vertically installed on a support at the edge of the counterpoise. An obstruction light is mounted on the top of the mast. An additional pipe below the counterpoise is provided to guide the DME antenna cables to the centre of the counterpoise and into the Shelter.

  • Page 89: Chapter 3 Operation

    DVOR 432 Operation and Maintenance Operation CHAPTER 3 OPERATION GENERAL Standard operation is normally carried out via a remote control interface with the user program ADRACS installed on a PC. For local operation only a few functions are operable with the local control panel (LCP).

  • Page 90: Indication Lamps For Main Status

    DVOR 432 Operation Operation and Maintenance 3.2.1 Indication Lamps for Main Status ALARM Monitor 1 and Monitor 2 are in ALARM state (i.e. relevant signals are out of tolerance). WARNING yellow The station is supplied by battery or one or both monitor(s) is (are) in bypassed mode or has a BITE warning.
  • Page 91 DVOR 432 Operation and Maintenance Operation The System Status indication comprises the following information: Monitor status information of MONITOR-1/2: NORMAL EXECUTIVE Monitor is executive in normal operation. PREALARM EXECUTIVE Monitor is executive, corresponding transmitter TX 1/2 initiates a pre-alarm condition in the Monitor.

  • Page 92: Welcome Window

    Operation Operation and Maintenance 3.2.2.2 Welcome Window After switching on the equipment the following Welcome window appears on the display screen: ALARM WELCOME TO THALES ATM NAVIGATION WARNING ACTUAL INSTALLATION: DVOR 432 100W DUAL NORMAL STATION: DVOR_SITE SELECT MENU FOR START ––––––––––––––––––––––––––––––––––...

  • Page 93: Fig. 3-4 System Status Window With Status 'Normal', Example

    DVOR 432 Operation and Maintenance Operation ALARM MONITOR–1 NORMAL EXECUTIVE WARNING MONITOR–2 NORMAL EXECUTIVE AERIAL TX–1 DUMMY TX–2 NORMAL MAINTENANCE NORMAL OPER. MODE REMOTE –––––––––––––––––––––––––––––––––– MENU XMTR DATA Fig. 3-4 System Status window with status 'NORMAL', example The following example of a System Status window with Main Status ALARM indicates that both moni tors are executive, the aerial transmitter TX-2 initiated an alarm condition before it was shut-down by the monitor and the standby transmitter TX-1 was already shut-down (not ready for operation).

  • Page 94: Fig. 3-6 System Status Window With Status 'Warning', Examples 1

    DVOR 432 Operation Operation and Maintenance The following examples 1,2 and 3 of System Status windows with Main Status WARNING present dif ferent causes for WARNING condition with the corresponding states for monitors and transmitters. The causes are added as comments in italic letters on the right side of each System Status window.

  • Page 95: Fig. 3-7 System Status Window With Status 'Warning', Examples 2

    DVOR 432 Operation and Maintenance Operation ALARM MONITOR–1 NORMAL EXECUTIVE WARNING MONITOR–2 NORMAL EXECUTIVE Warning status AERIAL TX–1 because of DUMMY TX–2 SHUT–DOWN shut-down of TX 2 NORMAL MAINTENANCE NORMAL OPER. MODE REMOTE –––––––––––––––––––––––––––––––––– MENU XMTR DATA ALARM Warning status MONITOR–1...
  • Page 96 DVOR 432 Operation Operation and Maintenance ALARM Warning status MONITOR–1 NORMAL EXECUTIVE because of WARNING MONITOR–2 ALARM EXECUTIVE Monitor AND configuration (Monitor 2 is in ALARM state) AERIAL TX–1 DUMMY TX–2 SHUT–DOWN NORMAL MAINTENANCE NORMAL OPER. MODE MAINTENANCE –––––––––––––––––––––––––––––––––– MENU...

  • Page 97: System Control Windows

    DVOR 432 Operation and Maintenance Operation MAINTENANCE NORMAL System Status window OPER. MODE LOCAL –––––––––––––––––––––––––––––––––– MENU XMTR DATA press control button XMTR System Control window TRANSMITTER CONTROLS (transmitter commands) ––––––––––––––––––––––––––––––––––– > SWITCH TX–1 OFF SWITCH TX–2 ON actual transmitter state: AERIAL TX 1 ON SWITCH TX–2 TO MAIN...

  • Page 98: System Data Window

    DVOR 432 Operation Operation and Maintenance If the right control button ENTER is pressed in the System Control window of Fig. 3-10 the monitor command 'SWITCH MON-1/2 BYPASS OFF' is selected (the actual command line is marked with '>') and will be carried out immediately. The display screen indicates the System Status window again (with the changed status of MON-1/2).

  • Page 99: Menu List Window

    DVOR 432 Operation and Maintenance Operation 3.2.2.6 MENU LIST Window The MENU LIST window (Fig. 3-12) shows the list of the submenus which can be selected for indica tion at the LCP screen. If the operator is pressing the MENU control button of System Status window...

  • Page 100: Key-Lock Switch On Lcp Front Panel

    DVOR 432 Operation Operation and Maintenance menu TRANSMITTER DA TA has been selected AERIAL TRANSMITTER DATA ––––––––––––––––––––––––––––––––––– XMTR 1 ––––––––––––––––––––––––––––––––––– CARRIER POWER 100W SBA LEVEL 40.0% SBA RF PHASE 102 dg SBB LEVEL 39.5% SBB PHASE 124 dg ––––––––––––––––––––––––––––––––––– BACK Fig.

  • Page 101: Controls And Indications On The Subassemblies

    DVOR 432 Operation and Maintenance Operation CONTROLS AND INDICATIONS ON THE SUBASSEMBLIES See Figs. 3-15 and 3-16. The controls and indications of individual subassemblies are explained in the figures 3-15 and 3-16. Specialities are explained in the following. Subassembly CSL, TEG-operation (Fig. 3-16):...

  • Page 102: Fig. 3-15 Push Buttons And Indications On The Subassemblies Inside The Rack (1)

    DVOR 432 Operation Operation and Maintenance Ê TXDA lamp Ê Ê Ê RXDA lamp CPU live lamp, green Ê Ê Ê Ê Ê Ê Ê Ê Ê pushbutton manual reset Ê Ê Ê Ê Ê Ê Ê morse code indication Ê...

  • Page 103: Fig. 3-16 Push Buttons And Indications On The Subassemblies Inside The Rack (2)

    DVOR 432 Operation and Maintenance Operation Key and test jack PM1 test condition modem operable M5* comm. line subsystem Ê Ê and RCSE operable Answ. modem occupies line Ê Ê Ê Answ. DEE operable M1 (M5*) FKS8 connector Ê Ê...

  • Page 104: Normal Operation

    DVOR 432 Operation Operation and Maintenance NORMAL OPERATION 3.4.1 Switching On CAUTION Never switch on the installation unless the antenna or an adequate dummy load is cor rectly connected! Make sure that the switches on the AC/DC converter are in ON position.

  • Page 105: Chapter 4 Alignment Procedure

    DVOR 432 Operation and Maintenance Installation CHAPTER 4 ALIGNMENT PROCEDURE The alignment procedure of a DVOR including prerequisites is described in a step by step manner starting with 4.1. The following list is a summary and also a detailed table of contents.
  • Page 106 DVOR 432 Installation Operation and Maintenance 4.10.2 TX1 Main 4.10.3 TX2 Main 4.11 FLIGHT CHECK 4.11.1 Prerequisites 4.11.2 Correction of TX1 and Monitor 1 4.11.3 Correction of TX2 with Monitor 2 4.11.4 Adjustment of Monitor 2 with TX1/TX2 4.11.5 Check of Monitor Alarm Limits 4.11.6...

  • Page 107: General Prerequisites

    - 1 RF cable, 30 m - Various adapters N-TNC and measuring cables - 1 Decoupling probe - 1 Antenna Simulator (only available in Thales ATM testing area and in training center). 4.1.3 Installation Before operation, the system must complete as follows:...
  • Page 108 No. 1 is to be connected to socket W1 etc. - Arrange simulator setup according to Fig. 4-4. - Carry out the alignment of DVOR 432 transmitter and monitor as described in the following, how- ever Sections 4.3, 4.4, 4.8.1.6, 4.8.1.9, 4.8.1.10 and 4.11 have to be omitted.

  • Page 109: First Switching On

    DVOR 432 Operation and Maintenance Installation FIRST SWITCHING ON 4.2.1 Status of the System - Mains off - Battery fuse switches open (used for emergency battery, battery fuse box, shelter) - POWER-switches on BCPS (ACC modules, transmitter cabinet) in position OFF - PMM: switches NAV, TX1, TX2 (transmitter cabinet) in position OFF 4.2.1.1...
  • Page 110 DVOR 432 Installation Operation and Maintenance d) Perform login procedure at the PC. Acknowledge "User1, Level 5" with OK button. e) Click on screen button Control in the Main Status window. The 'RC Management' window appears. f) Click on pulldown menu File Transfer. Select command Copy PC File to RAM.

  • Page 111: Matching Of Antennas

    DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu MATCHING OF ANTENNAS 4.3.1 Mechanical Preadjustments The following adjustments have to be carried out at all antennas according to the station frequency. 4.3.1.1 Plate-Capacitor C Remove cover of antenna.
  • Page 112 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.3.2 Test Setup Disconnect matcher/decoupling module at antenna1 and arrange test setup according to Fig. 4-3. Connect measuring cable via 20 dB attenuator to FORWARD-output of directional coupler.

  • Page 113: Check Of Decoupling Between Sideband Antennas

    DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu CHECK OF DECOUPLING BETWEEN SIDEBAND ANTENNAS 4.4.1 Test Setup Insert test probe into antenna 50 with probe cable running vertically to counterpoise and then radially to center antenna. Connect it there to measuring cable which has to be connected via 20 dB attenuator to input of monitor 1.
  • Page 114 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu REMARK: If C of matcher/decoupling module has to be read justed, the matching of the neighboring antennas has to be checked again and readjusted if necessary. Insert test probe into antenna 49 and switch through to antenna 48 A/TS by decrementing.

  • Page 115: Calibration Of Monitors

    DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu CALIBRATION OF MONITORS REMARK: This is done with the test generator on the CSL. Check position of jumper X17: open = CVOR/DVOR 4.5.1 Preparations Switch on TX1.
  • Page 116 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.5.3 Calibration of Monitor 2 Repeat section 4.5.2 for monitor 2. Switch off TX1/2. Switch both TX Off 4-12 Ed. 01.04...

  • Page 117: Setting Of Transmitters And Monitors

    DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu SETTING OF TRANSMITTERS AND MONITORS 4.6.1 Setting of TX1 with Monitor 1 4.6.1.1 Basic Settings Connect the power meter to the CSB output. Switch on TX1. Switch TX1 On Set 30 Hz AM mod.
  • Page 118 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.6.1.2 RF Phasing (Carrier Sideband) Switch on TX1. Switch TX1 On Set 'M1 AGC Adjustment' value to 'M1 RF Level' indication of 100 %. A/TS M1 AGC Adjustment ---,- % Select single-channel mode for monitor 1 (9960 Hz AM AM-Det.)
  • Page 119 DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu NOTE: Range of values: 80.0...120.0 Factor= 30 % x (100 % / Indication of window 2) REMARK: Read out and remember the individual levels of the blending signals for later check.
  • Page 120 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.6.2 Setting of TX2 with Monitor 1 Switch on TX2. Switch TX2 On Switch over to TX2 Set TX2 Aerial Set TX2 in the same way as described for TX1 in 4.6.1. Continue to use...
  • Page 121 DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu 30 Hz AM mod. depth. A/MC M2 Mod. Depth 30Hz NOTE: Nominal value: 30.0 ±1.0 %. 9960 Hz mod. depth. A/MC M2 Mod. Depth 9960 Hz AM NOTE: Nominal value: 30.0 ±1.0 %.

  • Page 122: Recording Of Simulator-Error-Curve

    DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu RECORDING OF SIMULATOR-ERROR-CURVE 4.7.1 Error Curve of TX1 Switch on TX1. Switch TX1 On Note down 'T1 Azimuth Alignment' value. A/EC NOTE: Important for h) Shift 'T1 Azimuth Alignment' for a 'M1 Azimuth' reading of 000.0°...

  • Page 123: Setting Of Monitor Alarm Limits

    DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu SETTING OF MONITOR ALARM LIMITS 4.8.1 Monitor 1 4.8.1.1 Azimuth Choose azimuth value 'M1 Azimuth'. A/AL1 Alarm Limits M1 (equal to azimuth value of monitor dipole). Upper limit: Add 1.0° to 'M1 Azimuth' reading and key in this value.
  • Page 124 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.8.1.6 RF Phase Choose RF phase 'T1 RF-Phase Measurement'. A/AL1 Upper limit: Add 20° to 'T1 RF-Phase Measurement' reading A/AL1 T1 RF Phase Upper and key in this value.

  • Page 125: Battery Monitoring

    DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.8.1.11 Identity AM Signal Upper limit, e.g. 11.5 %. A/AL1 M1 Mod. Depth Iden- tity AM UL --,- % Lower limit, e.g. 8.5 %. A/AL1 M1 Mod. Depth Iden- tity AM LL --,- % 4.8.1.12...

  • Page 126: Normal Operation

    DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.10 NORMAL OPERATION 4.10.1 Prerequisites Equipment is aligned according to Sections 4.1 to 4.8. Mains and DC supply are switched on and PC login procedure has been executed.

  • Page 127: Flight Check

    DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.11 FLIGHT CHECK The following describes a standard flight-check-procedure. However range and sequence of this procedure may vary depending on the individual flight check crew. 4.11.1 Prerequisites...
  • Page 128 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.11.2.3 Azimuth Check azimuth indication: 'M1 Azimuth' Change azimuth for desired value according to announcement of A/FC T1 Azimuth Align- Flight Check Engineer. Record azimuth indication. ment ---,- °...
  • Page 129 DVOR 432 Operation and Maintenance Installation Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.11.5.1 Azimuth Alarm Check azimuth indication 'M1 Azimuth' and 'M2 Azimuth'. A/FC Remember this values and azimuth value of transmitter. Upper limit: Change remembered azimuth value by approx. +1° (old value +1)
  • Page 130 DVOR 432 Installation Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.11.6 Normal Operation TX1 Main Set TX1 Aerial TX2 Main Set TX2 Aerial Switch off Standby TX2 Switch TX2 Off Switch off Standby TX1 Switch TX1 off Switch off Bypass Monitor 1.

  • Page 131: Fig. 4-1 Setting Characteristics For Dvor-Antenna

    DVOR 432 Operation and Maintenance Installation [mm] (Rotations) Loop Matching transformer matcher/decoupling module 108.0 108.5 109.0 109.5 110.0 110.5 111.0 111.5 112.0 112.5 113.0 113.5 114.0 114.5 115.0 115.5 116.0 116.5 117.0 117.5 118.0 118.5 119.0 Fig. 4-1 Setting characteristics for DVOR-antenna...

  • Page 132: Fig. 4-3 Test Setup For Matching Measurements For Dvor-Antenna

    DVOR 432 Installation Operation and Maintenance Antenna Test cable (10m) Directional coupler Forward Return Test cable (30 m) Decoupling module x) 10 W 20 dB Monitor 1 x) with SB antennas only Fig. 4-3 Test setup for matching measurements for DVOR-antenna...

  • Page 133: Fig. 4-5 Transmitter Rack, Rear Side, Potentiometers On Ccp-D

    DVOR 432 Operation and Maintenance Installation Local PC operation, via connector Local PC on top of the cabinet Ê Ê Ê Ê X86 X79 X78 Ê Ê X94 X93 Position of measurement Ê Ê Ê Ê control line BCPS point P16 on MSP-VD...

  • Page 134: Fig. 4-6 Test Log For Simulator Fault Plot

    DVOR 432 Installation Operation and Maintenance Test log (sample) Ant. No. Nom./° Act./° Error/° Act./° Error/° (Nom.-Act.) (Nom.-Act.) ° ° 14,4 ° 28,8 ° 43,2 ° 57,6 ° 72,0 ° 86,4 ° 100,8 ° 115,2 ° 129,6 ° 144,0 °...

  • Page 135: Relationship Between The Monitor Display Of The Rf Level

    DVOR 432 Operation and Maintenance Installation 4.12 RELATIONSHIP BETWEEN THE MONITOR DISPLAY OF THE RF LEVEL AND THE POWER The CSB output power is displayed by the monitor as the RF level. This display does not correspond to the direct power but is a voltage display. The power must be converted to a voltage in order to be able to set an alarm limit, e.g.
  • Page 136 DVOR 432 Installation Operation and Maintenance 4-32 Ed. 01.04...

  • Page 137: Chapter 5 Maintenance

    DVOR 432 Operation and Maintenance Maintenance CHAPTER 5 MAINTENANCE GENERAL There are two basic types of maintenance, namely periodic maintenance and normal maintenance. It is essential to ensure that the radiated signals remain within the fixed tolerances at all times after the navigation system has been handed over for service to air traffic.

  • Page 138: Elimination Of Static Charges

    DVOR 432 Maintenance Operation and Maintenance 5.2.1 Elimination of Static Charges A grounding strip with a large cross-sectional area is connected between the shelter grounding ter minal, the equipment racks and the worktable to act as the system ground and to eliminate electro static charges.

  • Page 139: Documentation Of System Data

    DVOR 432 Operation and Maintenance Maintenance If the floor covering is made of a conductive material, then similarly only those cleaning agents ex pressly recommended by the manufacturer of the floor covering should be used. The air filters of the fans, ventilation openings or air conditioners in the shelter should be checked from time to time in accordance with the volume of dirt which accumulates at the particular location.

  • Page 140: Normal Maintenance

    The battery back up function is enabled via jumpers, set during first setup or before replac ing the respective pc board. Always observe the label on the battery. The Lithium battery has to be replaced by the same battery type. Other types of lithium battery are not approved by Thales ATM. WARNING Do not recharge, disassemble, heat above 100 °C or incinerate the lithium cell.

  • Page 141: Maintaining Emergency Battery

    BCPS is the trickle charge voltage. This voltage is 2.23 V/cell ±1% in accordance with VDE (registered society of german electrical engineers). In the interests of optimizing the charge Thales ATM has uti lized the upper tolerance limits and fixed the trickle charge voltage at 2.25 V/cell. This results in a trickle charge voltage of 54 V for a battery with a rated voltage of 48 V.

  • Page 142: Matching The Voltage

    If the mean annual temperature is known during the installation phase, adjustments can be carried out by the Thales ATM installation team. Otherwise they should be carried out by the customer's own maintenance personnel as follows. 5.3.3.2...

  • Page 143: Startup, Care And Maintenance Of The Lead Battery

    DVOR 432 Operation and Maintenance Maintenance STARTUP , CARE AND MAINTENANCE OF THE LEAD BATTERY 5.4.1 Startup Specifications for the Lead Battery in Navigation Installations 5.4.1.1 General For countries in Europe, the sets of lead batteries in the navigation installations are normally supplied already filled and charged by the manufacturer.

  • Page 144: Preliminary Operations

    DVOR 432 Maintenance Operation and Maintenance 5.4.1.2 Preliminary Operations 5.4.1.2.1 Accumulator Acid and Specially Purified Water Diluted sulphuric acid and specially purified water are used for filling and topping up lead batteries. The regulations specified in VDE 0510 (regulations for accumulators and battery installations), ac cording to which no components which may be harmful to the plates may be used, must be con formed with.

  • Page 145: Relationship Between The Acid Density And The Temperature

    DVOR 432 Operation and Maintenance Maintenance Example for mixing accumulator acid: 100 l accumulator acid with a density of 1.24 kg/l is required. The mixing acid available has a density of 1.71 kg/l. The intersection A on the right-hand side of the chart (Fig. 5-1) is obtained as follows: The slope 1.71 (density of mixed acid) intersects the vertical 1.24 (nominal density of accumulator...

  • Page 146: Basic Rules For Handling Batteries

    DVOR 432 Maintenance Operation and Maintenance 5.4.1.2.4 Basic Rules for Handling Batteries A few basic rules listed below should be observed when handling batteries: WARNING It is forbidden to use naked flames or incandescent bodies in the vicinity of accumulators.

  • Page 147: Filling The Batteries With Acid

    DVOR 432 Operation and Maintenance Maintenance 5.4.1.2.5 Filling the Batteries with Acid A particular quantity of accumulator acid is required for each battery type. This quantity is specified by the manufacturer or is defined by the cell levels (acid level indicator or max. marking on the cell box).

  • Page 148: Initial Charging

    DVOR 432 Maintenance Operation and Maintenance 5.4.1.3.4 Initial Charging WARNING There is a particular risk during the charging procedure, since oxyhydrogen gas develops in the gassing level of the battery acid is reached. It is therefore forbidden to use naked flames or incandescent bodies in the vicinity of accumulators.

  • Page 149: Care And Maintenance Of The Lead Battery

    DVOR 432 Operation and Maintenance Maintenance Procedure Duration in hrs Remarks Filling with acid See 5.4.1.2 (Preliminary Operations). Unscrew inspection plugs, but leave over the hole in order to prevent contamination whilst allowing gas to escape. Interval Density measurements The density provides information on the state of plates.

  • Page 150: Keeping The Lead Battery Clean

    DVOR 432 Maintenance Operation and Maintenance 5.4.2.1.1 Keeping the Lead Battery Clean The battery box with batteries, boxes, terminals and connections should be kept clean and dry. When performing the regular check pay special attention to the poles and cell connections, since these are particularly subject to acid aggression and susceptible to the formation of salt crystals, especially at the plus-pole.

  • Page 151: Chapter 6 Fault Location And Repair

    DVOR 432 Operation and Maintenance Fault Location CHAPTER 6 FAULT LOCATION AND REPAIR FAULT LOCATION 6.1.1 General Fault location in the DVOR System can be executed with the PC and ADRACS (see Section 6.1.2) or with the fault location support procedure in Section 6.1.3. You should print out all settings, BITE values and monitor values of the transmitter, the monitor and LCP on the finally set system that has reached operating temperature.

  • Page 152: Localization Of The Defective Equipment Part

    DVOR 432 Fault Location Operation and Maintenance 6.1.3.2 Localization of the defective Equipment Part (1) Step Fault Bothmonitors Feed the transmitting antenna If the fault disappears, search show the same from the other transmitter. for it in the transmitter fault.

  • Page 153: Rf-Level Too Low Or Missing

    DVOR 432 Operation and Maintenance Fault Location 6.1.3.4 RF-Level too low or missing (3) * 100 W version only Step Fault One monitor Fault in the monitor dipole Fault in the HF cable from Search for the fault in the...

  • Page 154: Modulation Depth Of Carrier Too Low

    DVOR 432 Fault Location Operation and Maintenance 6.1.3.5 Modulation Depth of Carrier too low (4) Applicability: VOR: 9960 Hz auxiliary carrier, identity and voice, not for 30 Hz AM composed of carrier and sideband. DVOR: 30 Hz AM, identity and voice, not for the 9960 auxiliary carrier, which is composed of carrier and sideband.

  • Page 155: Modulation By Sidebands Too Low Or Wrong

    DVOR 432 Operation and Maintenance Fault Location Step Fault (4 cont.) 4.3.3 The modulation depth of the Re-check under 'TX1/2 BITE If these signals are not identity is wrong and, inde ADC-2': good, replace MSG-S or pendently of the transmitted ID_ST_2 and ID_ST_5 MSG-C.
  • Page 156 DVOR 432 Fault Location Operation and Maintenance Step Fault (5 cont.) 5.2.1.3 The synthesizer does not os MON1/2 Measurement: If the frequency is wrong, cillate in the range from 108 to Upper Sideband Frequency replace SYN. 118 MHz. SB1? Lower Sideband Frequency...
  • Page 157 DVOR 432 Operation and Maintenance Fault Location Step Fault (5 cont.) 5.2.2.3 Sideband con All former measurements are Phase control does not work. Replace modules in ASU: trol does not ok except of TX1/2 Measure - BSG-D work. ment values: deviation >10°...

  • Page 158: Wrong Carrier Frequency

    DVOR 432 Fault Location Operation and Maintenance 6.1.3.7 Wrong Carrier Frequency (6) Step Fault One monitor Search for the fault in the bad good, one monitor and continue with 8.1. monitor bad Bothmonitors Is the right frequency en TX1/2 Adjustments:...

  • Page 159: Fault In The Monitor

    DVOR 432 Operation and Maintenance Fault Location 6.1.3.9 Fault in the Monitor (8) The fault is presumed in the monitor. As both monitors are independent of one another, only one monitor will show the fault. Step Fault Status check The third LED from above on...
  • Page 160 DVOR 432 Fault Location Operation and Maintenance Step Fault (8 cont.) The identity is Is the second monitor working One monitor is good. not displayed. properly? If the modulation depth of the The second monitor does not The corresponding MSP is identifier is greater than 4 %, detect the identity.

  • Page 161: Fault Of The Local Control Panel (Lcp) (9

    Live lamp on Transmitter rack, LC: The LCD The *.sit files are ok. screen shows "Actual Installa tion DVOR 432". "Maintenance Alert Warning" e.g. the battery at the LCP is Backup data. Replace the in the LCD screen is indi weak, U <...
  • Page 162 DVOR 432 Fault Location Operation and Maintenance Step Fault (9 cont.) No interroga RXDA LED (second from Transmitter and monitor are The LCP interrogates only tions to monitor above) at the MSP-VD or switched on? processors which are or transmitter.

  • Page 163: Repairs

    DVOR 432 Operation and Maintenance Repairs REPAIRS 6.2.1 General The repair activities are designed to restore the ready condition of a faulty system in the shortest possible time. The system is repaired by replacing the defective subassembly. The defective subas semblies can then be sent to the manufacturer for repair.

  • Page 164: Components Containing Beryllium Oxide Ceramics

    DVOR 432 Repairs Operation and Maintenance If any of the maintenance personnel need to touch one of these subassemblies, they should place both hands flat on a grounded conductive surface for a few seconds to eliminate static charges. The subassembly can be touched - preferably at an insulator (board edge, lever mechanism, etc.) - as soon as the potential has been equalized in this manner.

  • Page 165: Correcting A Processor Standstill

    DVOR 432 Operation and Maintenance Repairs 6.2.2 Correcting a Processor Standstill A processor standstill may result when subassemblies are removed under voltage or on account of static charges which are discharged from the operators to the rack. This condition is always the result of an operator error.

  • Page 166: Fig. 6-1 Push Buttons And Indications On The Subassemblies Msp And

    DVOR 432 Repairs Operation and Maintenance Ê TXDA lamp Ê Ê Ê RXDA lamp CPU live lamp, green Ê Ê Ê Ê Ê Ê Ê Ê Ê pushbutton manual reset Ê Ê Ê Ê Ê Ê Ê morse code indication Ê...

  • Page 167: Replacing Subassemblies

    DVOR 432 Operation and Maintenance Repairs 6.2.3 Replacing Subassemblies WARNING The heat sinks of the modulators (MOD-110P) and of the carrier amplifier (CA-100C) may warm up during operation. This is normal and does not affect the function. When re placing these subassemblies it is recommended to let them cool down for a while or take suitable measures (e.g.

  • Page 168: Fig. 6-2 Preparation And Adjustments During A Subassembly Replacement

    DVOR 432 Repairs Operation and Maintenance Subassemblies of the transmitter rack Unit to be changed Preparation Adjustments after change Adjust station frequency MOD-110 check RF level, modulation depths, phasing MOD-110P check RF level, modulation depths, phasing check blending modulation (DVOR)

  • Page 169: Replacing Eprom

    DVOR 432 Operation and Maintenance Repairs 6.2.3.2.1 Replacing EPROM NOTE: Before starting it is recommended to read out all parameters of the installation: Use command Download Parameters or make a printout of all parameters or write down manually the indicated parameters if other measures are not possible.

  • Page 170: Replace And Reconfigure Subassembly Lcp

    LCP contains menu information. b) Select one of the upcoming menu points, here for DVOR 432: Configure DVOR 432. The LCP cop ies, renames or deletes some files according to the selected systems. This menu point does not appear again when the selection has been done once.

  • Page 171: List Of Dip-Fix-Switches And Jumpers

    DVOR 432 Operation and Maintenance Repairs 6.2.4 List of DIP-FIX-Switches and Jumpers 6.2.4.1 General Some of the subassemblies have DIP-FIX switches or jumpers on the component side. The jumpers act either as on/off switches or as changeover switches. The DIP-FIX switches and jumpers can be set or placed to particular positions in order to adapt universal subassemblies to specific equipment types.
  • Page 172 DVOR 432 Repairs Operation and Maintenance 6-22 Ed. 01.04...
  • Page 173 DVOR 432 Operation and Maintenance Repairs EPROM X17* EPROM X24X23 ASSOC. IND. user defined voltage adjust optionally to X19,20,21 between 1.7 to 1.875 * set with ILS open open SWITCH POSITION DEFINITION REMARKS S1, S3 Manual switch off TX1 or TX2...
  • Page 174 DVOR 432 Repairs Operation and Maintenance JUMPER POSITION DEFINITION REMARKS Switch off line TX1 from LCP default setting open Interrupt Switch off line TX1 from LCP Switch off line TX2 from LCP default setting open Interrupt Switch off line TX2 from LCP...
  • Page 175 DVOR 432 Operation and Maintenance Repairs X8 X4 battery 3.6 V EPROM EPROM open open JUMPER POSITION DEFINITION REMARKS watch-dog fault triggers NMI (Non Maskable Interrupt) open NMI function disabled default setting EPROM type 27C040 default setting EPROM type 27C020...
  • Page 176 DVOR 432 Repairs Operation and Maintenance EPROM EPROM battery 3.6 V open open **not assembled on 83135 22301 * factory adjustment JUMPER POSITION DEFINITION REMARKS for factory adjustment only, a solder strip is inserted onto the soldering side after adjustment...
  • Page 177 DVOR 432 Operation and Maintenance Repairs JUMPER POSITION DEFINITION REMARKS watch dog fault triggers NMI, i.e. when the processor has a fail function, the processor monitoring circuit leaves out one interrupt open NM function disabled default setting feed in point for GND...
  • Page 178 DVOR 432 Repairs Operation and Maintenance OIO-IN LC-CPU COM5 CSL, COM9..10 OIO-OUT DME/NDB COM1...7 DME/NDB X34 X33 8 7 6 5 4 3 2 1 optionally, normally not assembled board RS422 only RS422/485 LCI rear DME/NDB COM4 PC-1 COM8 Key lock...
  • Page 179 DVOR 432 Operation and Maintenance Repairs JUMPER POSITION DEFINITION REMARKS bank X84 A1-B1/B2-B3 IAUX9 active low default setting B1-B2/A3-B3 IAUX9 active high A4-B4/B5-B6 IAUX8 active low default setting B4-B5/A6-B6 IAUX8 active high A1-B1, ... , A8-B8 serial port3 set to RS232 Port 3 (COM3) X25...X32...
  • Page 180 DVOR 432 Repairs Operation and Maintenance JUMPER POSITION DEFINITION REMARKS X38,39 open serial port5 set to RS232 Port 5 (COM5) X9,11...14 X8/X37 not used X38,39 open serial port5 set to RS422 X9,11...14 full duplex default setting open X38,39 serial port5 set to RS485 X9,11...14...
  • Page 181 DVOR 432 Operation and Maintenance Repairs On/Off switch Change-over switch DIP-FIX POSITION DEFINITION REMARKS SWITCH S1, S2, S3 signal path closed normal operation signal path opened between fil factory adjustment ters for measurement 2 - 1 signal path closed normal operation...
  • Page 182 DVOR 432 Repairs Operation and Maintenance Ê Ê Ê Ê X86 X79 X78 X94 X93 Ê Ê Ê Ê Ê Ê X77 X76 X97 X96 BP-C Ê Ê Ê Ê 100W Ê Ê Ê Ê Ê Ê 100W BP-T Ê...
  • Page 183 DVOR 432 Operation and Maintenance Repairs On/Off switch Change-over switch DIP-FIX POSITION DEFINITION REMARKS SWITCH not used in AN 400 no control via processor pos sible. Decoders and counters are always enabled. normal operation, control via processor pos for test purposes and ground sible.
  • Page 184 DVOR 432 Repairs Operation and Maintenance On/Off switch Change-over switch DIP-FIX POSITION DEFINITION REMARKS SWITCH S1 to S8 closed Switches S1 to S8 define logic Normal operation: level at address counter ("0" if switch closed, "1" if open) with aid S1 to S8 closed = 0°...
  • Page 185 DVOR 432 Operation and Maintenance Repairs DIP-FIX POSITION DEFINITION REMARKS SWITCH open 11,2 open 22,4 open 44,8 open 89,6 normal operation For test purposes in conjunction with S1 to S8. S14 / S15 open / open normal operation S14 / S15...
  • Page 186 DVOR 432 Repairs Operation and Maintenance 6-36 Ed. 01.04...
  • Page 187 Annex Nextfield DVOR 432 Operation and Maintenance General Annex DVOR Nextfield Monitoring Installation and Alignment Procedure Ed. 01.04...

  • Page 188: Basic Edition: 01.02 / Revised Edition:

    DVOR 432 Annex Nextfield Operation and Maintenance Table of effective pages Basic edition: 01.02 / Revised edition: 01.04 Pages Ed.-No. Remarks A to B 01.04 AN-1 to 44 01.04 Trademarks Microsoft and MS-DOS are registered trademarks, WINDOWS is a trademark of the Microsoft Corporation. IBM is a registered trademark of the ...
  • Page 189 Annex Nextfield DVOR 432 Operation and Maintenance Installation CHAPTER 1 INSTALLATION AND ALIGNMENT PROCEDURE This Annex describes the installation of the DVOR nextfield dipoles and the settings for the nextfield monitoring during first alignment of the DVOR installation. PREREQUISITES The DVOR antenna system is completely installed.
  • Page 190 DVOR 432 Annex Nextfield Installation Operation and Maintenance 1.2.1 Mounting on the Counterpoise See Fig. 1-2. Mount the nextfield dipole(s) after determination of mounting position as follows: - At the mounting position fasten the dipole mast made of insulating material (GFK-mast tube) with clamps (distance  800 mm) to the outer counterpoise support so that approx.
  • Page 191 Annex Nextfield DVOR 432 Operation and Maintenance Installation 1.2.2 Connections at Transmitter Rack See Fig. 1-3, 1-4. The system cabling with the addition for nextfield dipoles is shown in Fig. 1-4. Make the following cable connections from transmitter rack to the connecting plate inside the shelter: Transmitter Rack Cable No.
  • Page 192 DVOR 432 Annex Nextfield Installation Operation and Maintenance AN-4 Ed. 01.04...
  • Page 193 BCPS Connection Plate * Coupling cables and connectors in combination with optional decoupling module only with DVOR installations with 50 W versions with DVOR installations with 100 W versions Fig. 1-4 System cabling DVOR 432 with nextfield monitoring option AN-5 Ed. 01.04...
  • Page 195 Annex Nextfield DVOR 432 Operation and Maintenance CHAPTER 2 CHAPTER 3 For Chapter numbering only! Ed. 01.04...
  • Page 196 DVOR 432 Annex Nextfield General Operation and Maintenance Ed. 01.04...
  • Page 197 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure CHAPTER 4 ALIGNMENT PROCEDURE WITH NEXTFIELD DIPOLES The alignment procedure of a DVOR including prerequisites is described in a step by step manner starting with 4.1. The following list is a summary and also a detailed table of contents.
  • Page 198 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance 4.12 FLIGHT CHECK 4.12.1 Prerequisites 4.12.2 Correction of TX1 and Monitor 1 4.12.3 Correction of TX2 with Monitor 1 4.12.4 Adjustment of Monitor 2 with TX1/TX2 4.12.5 Check of Monitor Alarm Limits 4.12.6...
  • Page 199 - 1 mobile/portable monitor dipole with approx. 200 m connection cable* * (alternative if available on site a portable VOR measuring receiver may be used) - 1 Antenna simulator (only available in Thales ATM testing area and in training center). 4.1.3...
  • Page 200 No. 1 is to be connected to socket W1 etc. - Arrange simulator setup according to Fig. 4-5. - Carry out the alignment of DVOR 432 transmitter and monitor as described in the following, how- ever Sections 4.3, 4.4, 4.8.1.6, 4.8.1.9, 4.8.1.10 and 4.12 have to be omitted.
  • Page 201 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure FIRST SWITCHING ON 4.2.1 Status of the System - Mains off - Battery fuse switches open (used for emergency battery, battery fuse box, shelter) - POWER-switches on BCPS (ACC modules, transmitter cabinet) in position OFF - PMM: switches NAV, TX1, TX2 (transmitter cabinet) in position OFF 4.2.1.1...
  • Page 202 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance d) Perform login procedure at the PC. Acknowledge "User1, Level 5" with OK button. e) Click on screen button Control in the Main Status window. The 'RC Management' window appears. f) Click on pulldown menu File Transfer. Select command Copy PC File to RAM.
  • Page 203 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure 4.2.6 Special Notes to DVOR with Nextfield Monitor 4.2.6.1 Switching On and Setting of DVOR with Nextfield Monitor The nextfield monitor monitors the radiated DVOR-signal from its position at the edge of the counter poise.
  • Page 204 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance AN-14 Ed. 01.04...
  • Page 205 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu MATCHING OF ANTENNAS 4.3.1 Mechanical Preadjustments The following adjustments have to be carried out at all antennas according to the station frequency. 4.3.1.1 Plate-Capacitor C Remove cover of antenna.
  • Page 206 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.3.2 Test Setup (recommended) Disconnect matcher/decoupling module from antenna1 and arrange test setup according to Fig. 4-4. Connect measuring cable via 20 dB attenuator to FORWARD-output of directional coupler.
  • Page 207 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu CHECK OF DECOUPLING BETWEEN SIDEBAND ANTENNAS 4.4.1 Test Setup Insert test probe into antenna 50 with probe cable running vertically to counterpoise and then radially to center antenna. Connect it there to measuring cable which has to be connected via 20 dB attenuator to input of monitor 1.
  • Page 208 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu REMARK: If C of matcher/decoupling module has to be read justed, the matching of the neighboring antennas has to be checked again and readjusted if necessary.
  • Page 209 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu CALIBRATION OF MONITORS 4.5.1 Preparations NOTE: This procedure using the test generator on the CSL is not applicable with installed nextfield monitor option ! AN-19 Ed.
  • Page 210 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu AN-20 Ed. 01.04...
  • Page 211 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu SETTING OF TRANSMITTERS AND MONITORS 4.6.1 Setting of TX1 with Monitor 1 4.6.1.1 Basic Settings Connect the power meter to the CSB output. Switch on TX1.
  • Page 212 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.6.1.2 RF Phasing (Carrier Sideband) NOTE: Not applicable with VOR receiver. Use cable connection (appr. 200 m). Switch on TX1. Switch TX1 On Set 'M1 AGC Adjustment' value to 'M1 RF Level' indication of 100 %.
  • Page 213 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu Minimize SB1 power: Connect scope to 1b5 and 1b7 of connector A/TS T1 SBA Power Level TEST on motherboard ASU/A. Reduce SB1-power until clipping of --,-% peaks of sinus signal.
  • Page 214 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.6.2 Setting of TX2 with Monitor 1 Switch on TX2. Switch TX2 On Switch over to TX2 Set TX2 Aerial Set TX2 in the same way as described for TX1 in 4.6.1. Continue to use...
  • Page 215 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu 9960 Hz mod. depth. A/MC M2 Mod. Depth 9960 Hz AM NOTE: Nominal value: 30.0 ±1.0 %. 30 Hz FM mod. index. A/MC M2 Mod. Index 30Hz NOTE: Nominal value: 16.0 ±0.5 %.
  • Page 216 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu RECORDING OF ERROR CURVE 4.7.1 Error Curve of TX1 Switch on TX1. Switch TX1 On Note down 'T1 Azimuth Alignment' value. A/EC NOTE: Important for h)
  • Page 217 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu SETTING OF MONITOR ALARM LIMITS 4.8.1 Monitor 1 4.8.1.1 Azimuth Choose azimuth value 'M1 Azimuth'. A/AL1 Alarm Limits M1 (equal to azimuth value of monitor dipole 1).
  • Page 218 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.8.1.6 RF Phase Choose RF phase 'T1 RF-Phase Measurement'. A/AL1 Upper limit: Add 20° to 'T1 RF-Phase Measurement' reading A/AL1 T1 RF Phase Upper and key in this value.
  • Page 219 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.8.1.11 Identity AM Signal (not applicable with Nextfield) (Upper limit, e.g. 11.5 %.) A/AL1 M1 Mod. Depth Iden- tity AM UL --,- % (Lower limit, e.g. 8.5 %.) A/AL1 M1 Mod.
  • Page 220 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.10 SETTING OF NEXTFIELD MONITOR 4.10.1 Setting of Monitor 1 Close all windows in the ADRACS user program. Select 'Adjustments' in the function key bar. Select windows for MON-1 Î...
  • Page 221 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu Set 'M1 AGC Level 9960Hz AM' to 'M1 Mod. Depth 9960Hz AM' M1 AGC Level indication of 30 %. 9960Hz AM --,- % Set 'M1 AGC 30Hz FM LSB' to 'M1 30Hz FM LSB Level Dipole-1' M1AGC30HzFMLSB indication in the range of 0,7 ...
  • Page 222 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.11 NORMAL OPERATION 4.11.1 Prerequisites Equipment is aligned according to Sections 4.1 to 4.8. Mains and DC supply are switched on and PC login procedure has been executed.
  • Page 223 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.12 FLIGHT CHECK The following describes a standard flight-check-procedure. However range and sequence of this procedure may vary depending on the individual flight check crew.
  • Page 224 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.12.2.3 Azimuth Watch azimuth indication: 'M1 Azimuth' Change azimuth for desired value according to announcement of A/FC T1 Azimuth Align- Flight Check Engineer. Record azimuth indication.
  • Page 225 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.12.5.1 Azimuth Alarm Check azimuth indication 'M1 Azimuth' and 'M2 Azimuth'. A/FC Remember this values and azimuth value of transmitter. Upper limit: Change remembered azimuth value by approx. +1° (old value +1)
  • Page 226 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Menu/ INSTRUCTION C: Commands A: Activities Submenu 4.12.6 Normal Operation TX1 Main Set TX1 Aerial TX2 Main Set TX2 Aerial Switch off Standby TX2 Switch TX2 Off Switch off Standby TX1 Switch TX1 off Switch off Bypass Monitor 1.
  • Page 227 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure [mm] (Rotations) Loop Matching transformer matcher/decoupling module 108.0 108.5 109.0 109.5 110.0 110.5 111.0 111.5 112.0 112.5 113.0 113.5 114.0 114.5 115.0 115.5 116.0 116.5 117.0 117.5 118.0 118.5 119.0 Fig. 4-2...
  • Page 228 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Antenna Test cable (10m) Directional coupler Forward Return Test cable (30 m) Decoupling module x) 10 W 20 dB Monitor 1 x) with SB antennas only Fig. 4-4 Test setup for matching measurements for DVOR-antenna...
  • Page 229 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Local PC operation, via connector Local PC on top of the cabinet Ê Ê Ê Ê X86 X79 X78 Ê Ê X94 X93 Position of measurement Ê Ê Ê Ê point P16 on MSP-VD...
  • Page 230 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance Connector panel Ê Ê Ê Ê Ê Ê Ê Ê MB ASU/A Ê Ê connector TEST solder side Ê Ê A1/1 Ê Ê Ê Ê Ê Ê TEST Ê Ê MB ASU/B Ê...
  • Page 231 Annex Nextfield DVOR 432 Operation and Maintenance Alignment Procedure Test log (sample) Ant. No. Nom./° Act./° Error/° Act./° Error/° (Nom.-Act.) (Nom.-Act.) ° ° 14,4 ° 28,8 ° 43,2 ° 57,6 ° 72,0 ° 86,4 ° 100,8 ° 115,2 ° 129,6 °...
  • Page 232 DVOR 432 Annex Nextfield Alignment Procedure Operation and Maintenance 4.13 RELATIONSHIP BETWEEN THE MONITOR DISPLAY OF THE RF LEVEL AND THE POWER The CSB output power is displayed by the monitor as the RF level. This display does not correspond to the direct power but is a voltage display.
  • Page 233 Annex Nextfield DVOR 432 Operation and Maintenance General CHAPTER 5 MAINTENANCE GENERAL PERIODIC MAINTENANCE 5.2.1 Elimination of Static Charges 5.2.2 Damage check 5.2.3 Cleaning 5.2.4 Documentation of System Data Download and Upload of transmitter and monitor data is performed with the ADRACS program. For DVOR with nextfield option there are two data sets available depending on wether the station type "DVOR Farfield"...
  • Page 234 DVOR 432 Annex Nextfield Maintenance Operation and Maintenance AN-44 Ed. 01.04...

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