Becker SAR-DF 517 Manual
Contents
1. Antenna Unit Error 10 Connection Incompatibility or bad data connection between display and antenna E10 BAD AU antenna gt display Error 9 Remote Unit Incompatibility or bad data connection between display and external E9 BAD RU serial Remote Unit or PC Error 8 Antenna Unit Voltage supply at Antenna Unit too low 29 0 V Main voltage supply low or considerable drop of voltage between displav and E8 VOLT AU on antenna Error 7 Connection Incompatibility or bad data connection between antenna and display E7 BAD DCU Display gt Antenna Error 6 Connection No serial data from Display Unit to Antenna Unit E6 NO DCU Display gt Antenna Error 5 antenna error in synthesizer oscillator of receiver in Antenna Unit E5 OSCILAT Error 4 received transmitter Received frequency too high more than 6 KHz error of transmitter E4 F OFS Error 3 received transmitter received frequency too low more than 6KHZ error of transmitter E3 F OFS Error 2 radio distance Synchronising bits of Cospas Sarsat signal bit 1 to 24 defective E2 CS SYNC transmitter lt DF Error 1 radio distance Error of data bits in Cospas Sarsat data block PDF BCH E1 CS BCH transmitter gt DF Error 0 Antenna Unit Receiver board defective E0 NO REC receiver Page 3 10 DV 77513 04 Issue 01 20022. gt REP lt pushbutton A stored message will be displayed 4 Frame SYNC OK normal CospasSarsat signal or SLFTEST CospasSarsat signal in auto test mode All 24 synchronising bits have been received correctly 5 Applied CP SARSAT protocol USER TEST STANDARD TEST or NATIONAL TEST 6 First part complete Hex Message complete short data signal hexadecimally coded bit 25 112 7 Second part of complete hexadecimal message long part bit 113 144 8 Country country identification numeric code 9 Beacon 15 hex ident transmitter identification Fifteen Hexadecimal Character Beacon Identification for Identification of a registered transmitter 10 GPS data of position data of latitude and longitude if contained in transmitter signal Solution between 15 minutes and 4 seconds of arc 11 Time Timer displaying time span since last received valid CP sarsat message DV 77513 04 Issue 01 2002 Page 3 7 BECKER AVIONIC SYSTEMS SAR DF 517 3 3 5 Edit Menu page 5 The edit menu enables you to make several adjustments All confirmed changes remain stored even after switching off on the device 1 gt Select lt rotary switch selects the value to be changed 2 gt lt rotary switch changing the value Confirm the changed value by pressing pushbutton gt STORE lt 3 gt STORE lt Pushbutton to confirm changed values Ta i t x Cir Store Rep gd QR DIM Yes Q 6 t 8 IET SAR DF 51 TE eh Rhe
3. international emergency frequencies Training free adjustable training frequencies 4 Version software no and serial no of Antenna Unit 5 Version software no and serial no of Display Unit 3 2 2 General Functions L l amp Cir Store Rep A DIM Ye X SAR DF 517 Cie V Rhotheta e LR ee en BECKER gt A ON OFF d 4 i Fig 3 2 General Operating Elements of the Displav Unit 1 gt DIM lt In order to adjust internally the background brightness of the display press simultaneously the REP kev while selecting the brightness with the PAGE rotarv switch The adjusted brightness of the displav will remain stored after switching off the unit The background of the LC graphic displav is equipped with a LED arrav whose brightness mav be adjusted continuously from O to 100 Dimming will be performed in an exponential curve thus allowing verv accurate adjusting under night resp NVG conditions Internal dimming on displav unit Always active if external dimming input not connected or applied voltage lt 1V DC See plan interwiring Page 3 2 DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 External remote dimming As soon as there s a voltage gt 1V DC at the dimming input the brightness is controlled externally but remains additionally adjustable on the display unit See plan interwiring and operating edit menu 2 gt PAGE lt Rotary switch to select the displayed acti
4. 17 n AU Antenna Unit DEU Display Control Unit Fig 1 1 4 Band Precision Direction Finder System DV 77513 04 Issue 01 2002 BECIKE AMIONIC SYSTEMS SAR DF 517 1 3 Technical Data 1 3 1 Electrical Data Method of bearing Bearing accuracy 1 Internal resolution Sensitivity Frequency stability Receiving channels Receiving frequencies or see type plate for special customer options Scanning mode DV 77513 04 Issue 01 2002 Doppler principle 3kHz rotational frequency right left rotation Ea 1 RF Voltage at Receiver Input 50Ohms VHF lt 100nV SeaBand lt 100nV UHF lt 100nV 406MHz lt 150nV 2 0 ppm A f f 2 10 at temperature range 30 C 80 C 8 four of them are free adjustable Emergency mode 121 500 MHz VHF 156 800 MHz Maritime Channel 16 243 000 MHz UHF 406 025 MHz Cospas Sarsat Trainings mode 118 000 122 975 MHz 156 000 157 975 MHz 240 000 245 975 MHz 400 000 409 975 MHz When receiving Cospas Sarsat signals additionally the emergency frequencies 121 500 MHz and 243 000 MHz can be surveilled Page 1 3 Cospas Sarsat analysis Bearable kinds of modulation Polarisation Error of polarisation Garbling cone Time of response 2 LC graphic display Supply voltage range Current consumption BECKER AVIONIT SYSTEMS SAR DF 517 Reception and analysis decoding of Cospas Sarsat data sign
5. 2U 3BU DC D r LL LE Gr ound I U Power DCU RS485 A RS485 B ___AMFM NE 10V 3QU 18U 3QU GND p oo RS485 A NE 71 77 c o 2HE RHE JI Free j E 10u 38U ram 30U N N connector shield cable shield connected to GND Displau Control Unit Antenna Unit 6 pol Amphenol plug female max length of cable ca 10m 9 pol Sub D plug PTGO6SE10 6S SQ GND connected to cable shield female male Fig 2 6 Interwiring Diagram Page 2 6 DV 77513 04 Issue 01 2002 BECKET AVIONIC SYSTEMS SAR DF 517 2 5 2 Panel lighting The display unit is equipped with a panel lighting The panel lighting may be connected to 1 V DC to 33 V DC supply voltage Pin assignment of display unit connector P 1 Pin 9 Pin 5 ground 2 6 Post installation check After installing the units check the indication reading is correct and determine whether or not quadrantal error correction is necessary If so correction should be first carried out on the ground then in the air It is also necessary to establish whether any equipment in the aircraft electrical system in generating interference A functional check after installation is only reasonable for all system components display unit and antenna unit together a The test equipment fastening to the antenna unit and align with the marking see illustration CH un 270 Angle 90 Angle 0 b
6. 513 04 Issue 03 01 Page l 3 BECKER AVIONIT SYSTEMS SAR DF 517 Blank Page l 4 DV 77513 04 Issue 03 01 BECKER AVIONIC SYSTEMS SAR DF 517 Section 1 General Information 1 1 Introduction The SAR DF 517 4 Band Precision Direction Finder System is described in Installation and Operation DV 77513 03 and Maintenance and Repair DV 77513 04 manuals The manuals contain the following sections X General Information X Operation Theorv of Operation Modification and Changes Circuit Diagrams IM MW Maintenance and Repair IMMA Zi E TI e ka IM 1 2 Purpose This modern precision direction finder was mainly developed for professional SAR search and rescue purposes It offers the possibility to bear and analyse traditional emergencv frequencies in the UHF and VHF band the general calling channel 16 of maritime radio and the common Cospas Sarsat emergency signal Because of its very short pulse length this signal cannot be beared reasonably by conventional direction finders The excellent bearing results become possible by our newlv developed patented antenna concept small robust and wide banded and the sophisticated bearing analysing algorithms which deliver a quick but nevertheless steady display The direction finder was developed for working under rough conditions as mobile uses on helicopters or vehicles DV 77513 04 Issue 01 2002 Page 1 1 Page 1 2 BECIKETR AVIONIC SYSTEMS SAR DF 5
7. BECKEI ANIONIC SYSTEMS SAR DF 517 4 Band Precision Direction Finder f g 7 d kl i f d I be i L l L SC t Cir Store Rep a 2 DI Me Ye mak Ka SE es S SAR DF 517 a 77 a Rhotheta ER K WM A ON OFF d i Installation and Operation Manual DV 77513 03 Issue 2 Januarv 2002 Becker Flugfunkwerk GmbH Baden Airpark Geb ude B 108 77836 Rheinm nster Telephone 07229 305 0 E Mail info becker avionics de or support becker avionics de First Issue and Changes September 2001 List of effective pages Titlepage 01 2002 ISO 9001 l 1 l 4 01 2002 1 1 1 8 01 2002 2 1 2 8 01 2002 3 1 3 10 01 2002 DV 77513 03 Article Number 551 295 071 2001 by Becker Flugfunkwerk GmbH All rights reserved BECKER AVIONIC SYSTEMS ISO 9001 Certified Quality System Das Becker Qualit tsmanagementsystem ist zertifiziert nach The Becker quality management system is certified according to DIN EN ISO 9001 CERT Reg Nr 70 100 M 2082 Zulassungen und Genehmigungen Licenses and Approvals BWB 1921Y B07 9701 Zulassung als Luftfahrtbetrieb f r Luftfahrtger t der Bundeswehr Manufactures license for aviation equipmentto the German armed forces LBA G 0075 Genehmigung als Herstellerbetrieb nach JAR 21 Abschnitt G Production Organization Approval JAR 21 Subpart G LBA 0166 Genehmigung als Instandhaltungsbetrieb nach JAR 145 Maintenance Organization Approval JAR 145 Qualit tszertifikat Ce
8. Connect the test equipment at the signal geneator Set an output frequency of 121 500 MHz c Switch on the Display unit adjust to the correct frequency and observe the indication in the Bearing operating mode Operating instruction see section 3 The Display should indication 0 relative bearing d Turn the Test equipment to position 90 the Display should indication 90 e Turn the Test equipment to position 180 the Display should indication 180 f Turn the Test equipment to position 270 the Display should indication 270 DV 77513 04 Issue 01 2002 Page 2 7 BECKET AVIONIC SYSTEMS SAR DF 517 2 6 1 Electrical Interference With the engines running and the aircraft electrical system on check whether radio beacons at boundary range can still be received without interference compare with post installation check as described above Should the reading be influenced by local interference trace the source by systematically switching off the electronic equipment generators etc on the aircraft to establish which component is causing interference Then suppress interference accordingly Typical Sources of Interference are 1 Generators regulators Suggested inteference suppression procedure a When fitting the antenna and the associated feeders wiring make sure that these items of equipment are as far away as possible from the positive lead from generator to battery b Block the positive lead from the
9. Hz Mode Training with free adjustable test trainings frequencies Testfrequency 3 e g 156 525 Mhz q gt 8 9 121 650 Mhz q e g 243 300 Mhz a 9 406 100 Mhz 4 5 en o Testfrequency 2 gt VOLUME lt Rotary switch for the AF audio exit A linked external speaker resp amplifier can be adjusted in a range from 0 off to 100 max The selected volume is shown in the graphic display bottom left The volume remains stored after switching off on the device gt Squelch level lt Adjusts the squelch level which has to be above the receiving level without signal noise For each frequency exists a squelch level which has to be adjusted separately gt CLR lt Pushbutton for erasing the internal bearing value averaging store The sophisticated averaging store increases bearing precision and effects at all a usable bearing display for bad receiving signals if there is a far away transmitter and or temporary complete loss of a receiving signal Caused by the averaging procedure a drag error may occur which might be disturbing after quick changes of course In this case the indicated bearing value lags by the real bearing value for about two seconds for very weak signals even longer By pressing this pushbutton after a quick change of course the display will show the new bearing value without drag error gt STORE lt pushbutton While bearing an AM signal a 3 kHz sound is superimposed to the audible AF because of technic
10. al 112 resp 144 bit 400 baud biphase L phase modulated with Bose Chaudhuri Hocquenghem error test specified according Cospas Sarsat C S T 001 October 1999 ASE F3E A2X ELT modulation bearing largely independent of modulation Vertical lt 5 at 60 field vector rotation Ca 30 to the vertical lt 50 ms with sufficient receiving field strength 128x64 dots supertwist transflective extended range of temperature dark blue display on yellow green background lit up Free adjustable exponentiell dimming of brightness 12 V to 35 V DC LCD backlighting Off max 350 mA 12 V DC 200 mA 24 V DC LCD backlighting 100 max 600 mA 12 V DC 300 mA 24 V DC Note 1 Undisturbed wave field and sufficient field strength proposed Measuring by changing the angle of incidence the bearing antenna rotates on a revolving table in order to eliminate influences of environment for the bearing result 2 Very weak signals can increase considerably the time of response Page 1 4 DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 1 3 2 Interface External connections optional at Sub D 9pol Connector X4 male Dimming Analog input signal for variable controlling of the LCD back ground and legends illumination Input voltage free adjustable external voltage for in the range of 1 5 33 V at edit menu Display Control Unit variable dimming Pages Look chapter edit menu Default
11. al axis of the aircraft and in direction of flight is see illustration 2 5 Direction Aircraft Nose Fig 2 5 Montage direction of the antenna unit The aircraft manufacturer usually provides information concerning the location of the antenna which is usually also suitable for locating the antenna It is mandatory that the following requirements be checked prior to installing the antenna in the absence of any other information The antenna can be mounted either above or below the fuselage however as near as possible to the aircraft centreline In addition the selected location should be away from projecting components fixed undercarriage tail plane or radar and as far away as possible from other antennas This is essential to avoid signal distortion and thus inaccurate bearing indication Furthermore the antenna and its feeders must no be located in the vicinity of sources of RF interference such as inverters motors regulators generators and their wiring It should also be noted that inverters can give rise to magnetic interference and thus detriment reception even though good screening may be provided In aircraft having a wooden or plastic airframe an electric counterweight plate or panel must be located within the fuselage at the antenna location with minimum dimension 80 x 80 cm A good connectron between electrical counterweight plate or panel and ground is required In all cases comply with FAA AC 43 12 2A requirements t
12. al reasons When pushing this button this disturbing sound will be switched off enables better hearing of a signal meanwhile bearing isn t possible anymore A FM signal e g maritime radio band is always clearly understandable for a filter in the device is fading out the superimposed 3 KHz sound gt REPEAT lt Pushbutton when pressed showing the last valid bearing value with corresponding receiving level 3 3 2 Display in Bearing Mode et Stem ei hotheta RT SOQ Fig 3 4 Display Page 1 360 Bearing Display Page 3 4 DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 Fig 3 5 Display Page 2 expanded 45 Bearing Display Fig 3 6 Display Page 3 Bearing Display as Text gt Bearing value lt by the means of a sophisticated averaging procedure a steady display is accomplished either as graphic display depending on page or as text in the range of 0 359 0 corresponds to bearing direct ahead gt Spread lt maximum deviation of unaveraged bearing values as indicator of bearing quality The wider the range the worse is the received signal The excellent averaging procedure effects even with a spread of 45 good bearing results gt Receiving level lt field strength of the signal in the range of 0 to 100 Even without a received signal a certain noise level may be displayed gt Squelch level lt marker free adjustable gt Squelch level lt marker free adjustable for each
13. an be given in this section 2 1 1 Inspection before installation Place the packed unit on a clean flat surface Open the reusable package carefully remove the units and check for completeness Replace the packaging material in the shipping container and keep it so that the unit can again be properly packed for storage or shipping Before installing the dispaly unit and antenna unit in an aircraft carry out a visual inspection for any transport damage paying particular attention to the following Dirt dents scratches corrosion broken attaching parts on the housing and housing parts Dirt and scratches on the identification plate front panel LC display and marking Dirt bent or broken pins cracked connector inserts Dirt and mechanical damage on the rotary switches push buttons and knobs Missing screws If damage is found immediately inform the carrier 2 2 Mechanical installation display unit The display unit is designed for installation in the instrument panel or operating console of an aircraft The necessary dimensional details are given in Fig 2 1 and Fig 2 2 DV 77513 04 Issue 01 2002 Page 2 1 BECKET AVIONIC SYSTEMS SAR DF 517 The display unit may be mounted into a front panel by the means of this mounting drawing RS Mounting hole for display unit Fig 2 2 Mounting Drawing of the Display Unit Page 2 2 DV 77513 04 Issue 01 2002 BECKET AVIONIC SYSTEMS SAR DF 517 2 3 Mechanical ins
14. ation check 2 6 1 Electrical interference Fig 2 1 Dimensions Drawing of the Display Unit Fig 2 2 Mounting Drawing of the Display Unit Fig 2 3 Mounting Drawig of the Antenna Fig 2 4 Dimensions Drawing of the Antenna Fig 2 5 Montage direction of the antenna unit Fig 2 6 Interwiring Diagram Section 3 Operation 3 1 Important Basic Adjustments 3 2 Operating 3 2 1 Power On Procedure Selection of Operating Mode 3 2 2 General Functions 3 0 Bearing Mode 3 3 1 Operating Elements in Bearing Mode 3 3 2 Display in Bearing Mode 9 90 Scanning Mode when Bearing Cospas Sarsat Signals 3 3 4 Cospas Sarsat Analvsing the Binarv Continuous Signal page 4 3 3 5 Edit Menu page 5 3 4 Adjusting Training Frequencies page 6 3 5 Error Messages Fig 3 1 Selection of Working Mode at Power on of the Unit Fig 3 2 General Operating Elements of the Display Unit Fig 3 3 Operating Elements in Bearing Mode Fig 3 4 Display Page 1 360 Bearing Display Page l 2 DV 77513 04 Page 2 7 2 8 2 2 2 3 2 4 2 5 2 6 Page 3 1 3 1 3 2 3 2 3 3 3 3 3 4 3 6 3 7 3 8 3 9 3 10 3 1 3 2 3 4 Issue 03 01 BECIKE AVIONIT SYSTEMS SAR DF 517 Page Fig 3 5 Display Page 2 Expanded 45 Bearing Display 3 5 Fig 3 6 Display Page 3 Bearing Display as Text 3 5 Fig 3 7 Display Cospas Sarsat Analyse page4 3 7 Fig 3 8 Display Edit Menu page 5 3 8 Fig 3 9 Menu of Adjustable Frequencies page 6 3 9 DV 77
15. ergency frequencies If there is a signal received the frequency will be held till its end otherwise frequencv will be changed after 45 secs to the Cospas Sarsat frequency and it will be waited for the next pulse The active frequency is displayed bottom right The scanning mode is possible with the frequencies 406 025 MHz 2 121 500 MHz and 243 000 MHz or the respective training frequencies Timer gt LS always displays time span Frequency display in scanning mode since last received CP Sarsat pulse signal 406 025 MHz Scanning mode switched to second scan frequencv active frequency 243 000 MHz Page 3 6 DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 3 3 4 Cospas Sarsat Analvsing the Binary Continuous Signal page 4 Selecting this page activates automatically the active frequency on 406 025 MHz or the respective training frequency Correct receiving of the Cospas Sarsat data signal 112 resp 144 data bits displays data as follows f ta f ey i j BT vim Ye t Cir Store Rep e Q Q 9 N SAR DF 517 we f n e Rhotheta BECKER a 69 l ON OFF 21 Fig 3 8 Display Cospas Sarsat Analyse page4 1 gt CLR lt pushbutton Erases present displayed massage 2 gt STORE lt pushbutton Present displayed massage will be stored An already existing stored message will be overwritten The messages will remain stored after switching off the device 3
16. frequency A usable bearing and Cospas Sarsat analysis can only be achieved if the squelch level is above the noise level without received signal If the bearing antenna is situated near strongly disturbing electronic devices the squelch level has to be raised thus making the direction finder less sensitive DV 77513 04 Issue 01 2002 Page 3 5 BECKEN AVIONIC SYSTEMS SAR DF 517 5 gt Offset lt displays the offset value adjusted in the edit menu 6 gt Mounting lt indicator of the mounted bearing antenna Shows the mounting arrangement of the antenna can be adjusted in the edit menu as verification TOP mounted BOTTOM mounted 7 gt LS lt last signal internal timer indicating the time span of the last received signal Display in min sec 3 3 3 Scanning Mode when Bearing Cospas Sarsat Signals The Cospas Sarsat signal on 406 025 MHz is transmitted only every 50 secs pulse length ca 400ms When approaching to the transmitter it will be received because of it s transmitter power earlier than the 121 500 MHz resp 243 000 MHz continuous signal However a transmitter in the near range may be beared faster with a continuous signal For this purpose in the scanning mode the 406 MHz pulse and at the same time two other emergency frequencies can be surveilled for a continuous signal This function can be activated bv switching in the time span 5 to 45 secs between two Cospas Sarsat pulses to the other em
17. generator to the regulator with an electrolytic capacitor max 500uF at the regulator end c In the case of alternators insert a filter 10 50uH 10 100 nF e g Bosch 0290 002 002 in the lead connecting the regulator to the alternator field winding d Insert a filter e g Bosch 0290 003 009 75A in the positive lead from the generator to the batterv in the vicinitv of the generator Proceed with suppression work as described in a above until no further interference is detected 2 Static inverters choppers DC converters For interference suppression we suggest inserting a filter e g Bosch 0290 003 006 6A into the positive power supplv lead close to the item concerned in order to isolate the harmonics of the chopper frequency from the aircraft wiring system 3 RF interference Interference resulting from the operation of transponder DME or communications equipment mav occur if the associated antenna has poor ground contact and the screen fo the antenna connecting lead is thus causing radiation It is mandatory to always proceed in accordance with FAA AC 43 13 1A and FAA AC 43 13 2A requirements Page 2 8 DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 Section 3 Operation 3 1 Important Basic Adjustments In order to achieve best use of the direction finder the user is able to perform several adjustments of configuration These adjustments can be set up in the edit menu display page 5 T
18. he most important adjustments are Mounting adjustment of hanging or standing mounting External remote dimming of display Description to these points see chapter Operating edit menu 3 2 Operating Operating the direction finder is deliberately very simple with its clearly arranged layout Except the upper page rotary switch and the ON OFF push button the function of the operating elements depend always on the active page All relevant adjustments can be controlled on the display 3 2 1 Power On Procedure Selection of Operating Mode When switching on the unit and only then the operating mode can be selected by the means of the PAGE rotary switch There is the choice between the emergency mode with fixed preselected emergency frequencies and the training mode The training mode is characterized by freely selectable training frequencies instead of preadjusted emergency frequencies See also bearing mode frequency f i t N Sr Cir Store Rep L e WM ER L 9 vim Ye fol Se SARDE 517 4 os Rhotheta BECKER A ce l ON OFF Fig 3 1 Selection of Working Mode at Power on of the Unit DV 77513 04 Issue 01 2002 Page 3 1 BECKER AVIONIC SYSTEMS SAR DF 517 1 gt ON OFF lt Pushbutton to switch on off the device 2 gt Page Select Mode lt rotary switch for selection of the operating mode after power on 3 gt Mode lt Indication of the actual operating mode Emergency Selection of the
19. m up period up to 15 min is necessary Protective System Bearing Antenna 1 3 4 Mechanical Data and Weights Weights Display Unit Bearing Antenna Dimensions Display unit Bearing antenna Page 1 6 IP 67 250 g 2000 g 82mm x 82mm x A3mm width x height x depth amp 270mm x 185mm DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 1 4 Frequencies of Channels on Maritime band Frequency range at SAR DF 517 a maritime band 156 000MHz 157 975MHz Channel No Frequenc y Frequency sea station coast Station 1 156 050 MHz 160 650 MHz 156 100 MHz 160 700 MHz 156 150 MHz 160 750 MHz 156 200 MHz 160 800 MHz 156 250 MHz 160 850 MHz 156 300 MHz 160 900 MHz 7 156 350 MHz 160 950 MHz 156 400 MHz 156 450 MHz 156 500 MHz 156 550 MHz 156 600 MHz 156 650 MHz 14 156 700 MHz 156 750 MHz 156 800 MHz asco 156 950 MHz 161 550 MHz z a S 2 157 150 MHz 161 750 MHz 2 157 200 MHz 161 800 MHz 25 157 250 MHz 161 850 MHz 6 ch 157 350 MHz 161 950 MHz 157 400 MHz 162 000 MHz gem oem 156 075 MHz 160 675 MHz 156 125 MHz 160 725 MHz 156 175 MHz 160 775 MHz DV 77513 04 Issue 01 2002 Page 1 7 BECKER AVIONIC SYSTEMS SAR DF 517 Channel No Frequenc y Frequency sea station coast Station 156 275 MHz 160 875 MHz 156 325 MHz 160 925 MHz 156 375 MHz 156 425 MHz 156 475 MHz 156 525 MHz 156 575 MHz 156 625 MH
20. ncies page 6 This menu enables you to adjust the training frequencies 1 2 3 4 3 6 7 8 gt Select lt rotary switch selecting the trainings frequency MHZ kHz gt lt rotary switch changing the frequency Confirm the changed value by pressing pushbutton gt STORE lt gt STORE lt Pushbutton to confirm changed values Store Rep 2 kad gt DIM Yes A 4 SAR DF 517 Au anl Rhoth iS x an l c aleas BECKER A ONOFF d L NI Le D 2 Fig 3 10 Menu of Adjustable Frequencies page 6 CN l 7 7 Range of the adjustable frequencies Training frequency on maritime band Channel 1 28 and 60 88 of sea station look apendix training frequency 1 training frequency 2 training frequency 3 DV 77513 04 Issue 01 2002 Page 3 9 OO BECKER AVIONIC SYSTEMS D Error Messages SAR DF 517 If an internal error of the device is recognised a corresponding error message will be shown on the flashing display At coincidence of various errors the error with highest priority will be displayed Error message Error location Reason Error 12 Main voltage supply Main Voltage input too low lt 10 0V E12 VOLT D Connection No serial data RS485 from Antenna Unit No or damaged Error 11 l antenna gt display connection between antenna and display or damaged antenna unit E11 NO AU j or
21. o ensure that the mounting location has sufficient strength The installation dimensions are given in Fig 2 3 DV 77513 04 Issue 01 2002 Page 2 5 BECIKETS AVIONIC SYSTEMS SAR DF 517 2 5 Installation Wiring 2 5 1 General The Fig 2 6 shows the Interwiring Diagram Only suitable aircraft cable should be used Use AWG 22 or AWG 24 for all wiring In addition the following should be observed Pull rubber sleeves over the soldered connections on unit connectors A fuse or circuit breaker must be installed in the power supply line Before switching on the equipment carefully check the wiring making particularly sure that the positive and negative poles have not been confused anywhere CAUTION No high frequency cables should be tied in together with the wiring of the direction finder The connecting lines must also not be laid together with cables carrying audio signals or pulsed information e g IFCS DME XPR slaved gyro The same holds for the supply and control lines of autopilotes optional connection Head Phone Impedance 32 600 Ohm Houer 1 mW uith resi Stor for pouer adaptation y l N g 1 1 A A l l l l l l l l e e e Speaker status line only at DCU NUG Version Serial RS232 Interface external dimming voltage e TXD Out e NUG Night ei RXD Im 2 25 Watt L I 18 Ohm 8 25 Watt i FUSE 1A slow 1
22. rtificate of qualitiy Sehr geehrter Kunde Dear Customer Sie haben sich f r den Kauf eines Becker you have decided to buy a Becker product You Produktes entschieden Hiermit erhalten Sie ein are assured of receiving a product that is nach modernsten Fertigungsmethoden hergestell manufactured using the most modern methods tes Produkt Es wurde nach den Regeln unseres available This product was developed Qualit tsmanagementsystems entwickelt gefer manufactured and tested in compliance with our tigt und gepr ft quality management system standards BECKER AMIONIC SYSTEMS SAR DF 517 Table of Contents Section 1 General Information 1 1 Introduction 1 2 Purpose 1 3 Technical Data 1 3 1 Electrical Data 1 3 2 Interface 1 3 3 Environmental Data 1 3 4 Mechanical Data and Weight 1 4 Frequencies of Channels on Maritime Band 1 5 Scope of Delivery 1 6 Accessories Fig 1 1 4 Band Precision Direction Finder System Section 2 Installation 2 1 General 2 1 1 Inspection before installation 2 2 Mechanical installation display unit 2 3 Mechanical installation antenna unit 2 2 Connecting Cable Interwiring 2 4 Information for the installation of the antenna unit 2 5 Installation Wiring 2 5 1 General 2 9 2 Panel lighting DV 77513 04 Issue 03 01 Page 1 1 1 1 1 6 1 6 1 7 1 9 1 9 1 2 Page 2 1 2 1 2 1 2 3 2 5 2 6 2 6 2 Page l 1 BECKET AVIONIT SYSTEMS SAR DF 517 2 6 Post install
23. setting 10 28 V 10V Off 28V max dimming Impedance of input gt 50 kQ night status line Low active At input voltage lt 2 5V the dimming operates in only at SAR DF 517 N night mode Max of brightness ca 2 of day default mode with NVG frontpanel otherwise don t connect NVG status line Low active At input voltage lt 2 5V the dimming operates in only at SAR DF 517 N NVG mode Max of brightness ca 2 of day default mode with NVG frontpanel otherwise don t connect Impedance of input gt 50 kQ Impedance of input gt 50 kQ Audio LF AG coupled voltage source with verv low inner resistance Max output voltage ca 8Vss 2 83V gus at Volume wax Max output power ca 2W with 4Q speaker If a headphone is connected 82 600 Q 100mW we recommend using a resistor 1802 0 25W between audio output and headphone to prevent damaging the headphone Audio output signal Serial interface RS232 9600 baud 8 databits 1 stoppbit no paritv Txd Serial output ca 10V Rxd Serial input ca 10V DV 77513 04 Issue 01 2002 Page 1 5 BECKER AVIONIC SYSTEMS 1 3 3 Environmental Data Displav permissible operating temperature 3 permissible storage temperature Temperature Range Antenna permissible operating temperature 3 permissible storage temperature 720 60 C 30 80 C 40 60 C 55 80 C 3 For temperatures lower than 10 C a war
24. tallation antenna unit The antenna unit is designed for installation in the outside of an aircraft The necessary dimensional details are given in fig 2 3 and Fig 2 4 A convenient position of the monopole bearing antenna is decisive for good bearing results The antenna needs an effective ground connection to the body of the helicopter or to the roof of the vehicle If no metallic mounting surface available a metallic sheet or similar net with connection to ground has to be applied first between vehicle body and antenna In this hatched area the antenna touches the body of the 8 x holes for mountin vehicle aircraft In order to l the antenna unit on obtain a good ground the bodv of the connection the surface of the bodv should be bared Measuring unit mm vehicle aircraft RQ 5 2 0 G RQ one cee d K 4 oc 020 XS Xx Se Se Op Wie Sp Ge Ch Ge ee e LS XAMM Fig 2 3 Mounting Drawing of the Antenna DV 77513 04 Issue 01 2002 Page 2 3 BECKET AVIONIC SYSTEMS SAR DF 517 E Senne V EE KZ EE E KEE HO E A N Fig 2 4 Dimension Drawing of the Antenna Page 2 4 DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 2 4 Information for the installation of the antenna Unit At the installation of the antenna Unit has to be taken into account that the sticker on gt N respectively assembles the corresponding drill hole into the longitudin
25. theta w w e C ien BECKER A 9 ON OFF l J Le EN 2 Fig 3 9 Display Edit Menu page 5 4 Range of adjustable values 5 gt TimeHold lt Duration sec of internal storage of the averaged bearing value In case that there are weak signals with signal gaps e g temporary blind spots caused by rough sea the bearing values are still summed up despite lacking signals thus enabling a good signal analysis normal TimeHold value 10 secs 6 gt Offset lt electronic correction rotation of the bearing antenna Adjustment delivers correspondingly changed bearing values normal value 000 7 gt Mounting lt Order of antenna mounting If the antenna is mounted upside down e g on bottom side of a helicopter Bottom has to be selected If mounted on top of a vehicle Top has to be selected If gt Mounting lt not properly selected the bearing value resp display will be shown mirror inverted 8 gt Ext Dim Volt Range lt Range of voltage which controls the dimming of the display here 28 0V 100 10 0V 0 of brightness In order to cover the whole range of brightness the minimum resp maximum values of the dimming voltage may be adapted to the given controlling voltage e g of the airplane The values are adjustable in between min 1 5V and max 33V DC See plan interwiring Page 3 8 DV 77513 04 Issue 01 2002 3 4 BECKER AVIONIC SYSTEMS SAR DF 517 Adjusting Training Freque
26. ve page and its corresponding operating mode The current page number 1 to 6 is indicated in the display top right 3 gt LC graphic display lt 128x64 dots supertwist dark blue on yellow green background 3 3 Bearing Mode On the device works in the bearing mode As soon as a signal is received receiving level above squelch level the unaveraged maximal bearing values spread are indicated and if interpretable the averaged bearing value Having received a signal the last bearing value is shortly shown flashing until the internal average bearing value store is cancelled after the time hold span see edit menu 3 3 1 Operating Elements in Bearing Mode t Store Rep i 3 DIM Yes 9 2 gt SAR DF 517 c B L S SN MRhotheta Se E ON OFF xi U Fig 3 3 Operating Elements in Bearing Mode 1 gt FREQUENCY lt Rotary switch selecting the active frequency The last selected frequency re mains stored after switching off on the device The selected frequency is shown on the graphic display bottom right Following the order of possible frequencies DV 77513 04 Issue 01 2002 Page 3 3 BECKEN AVIONIC SYSTEMS SAR DF 517 Mode Emergency all international emergency distress frequencies 406 025 28 Mhz 156 800 Mhz g gt 121 500 Mhz y 4 243 000 Mhz 4 406 025 28 Mhz een channel 16 maritime radio emergency frequency VHF emergency frequency UHF Cospas Sarsat Emergencyl ee 243 000 M
27. z 156 675 MHz 156 725 MHz e L N IE 156 775 MHz 156 975 MHz 161 575 MHz eem Terms 157 175 MHz 161 775 MHz e eem Terms 157 375 MHz 161 975 MHz 157 425 MHz 162 025 MHz Page 1 8 DV 77513 04 Issue 01 2002 BECKER AVIONIC SYSTEMS SAR DF 517 1 5 Scope of Deliverv Displav Control Unit DCU 537 Article No 0531 324 924 Antenna Direction Finder SAR DF 517 Article No 0531 316 924 with Receiver and DF Controller 1 6 Accessories Connector set for cable antenna gt display unit and power supply Article No 0542 571 954 Connector set 1 Cable connector round antenna Cable connector D Sub displav unit Cable connector D Sub power supplv Consist of Connector set 2 on request Article No 0542 581 954 Consist of 5m Cable completed Cable connector round antenna and unconnected on D Sub displav unit Cable connector D Sub power supply of 3 m Article No 0542 598 954 Connector set 3 on request Consist of 10m Cable completed Cable connector round antenna and unconnected on D Sub display unit Cable connector D Sub power supply of 3 m DV 77513 04 Issue 01 2002 Page 1 9 BECKER AVIONIC SYSTEMS SAR DF 517 Blank Page 1 10 DV 77513 04 Issue 01 2002 BECKET AVIONIC SYSTEMS SAR DF 517 Section 2 Installation 2 1 General The installation of the display unit and antenna unit depends on the type of aircraft and equipment and therefore only a general information c
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