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7853-7855-7856 field strength meter user manual
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1. 9 1 2 Settings of volume brightness contrast colour and shade Settings of TV image parameters by using the sensitive wheel a gt a le PRET Menu keys Setting of volume with the sensitive wheel Setting of contrast with the sensitive wheel cm Setting of brightness with the sensitive wheel Setting of colour saturation with the sensitive wheel 9 1 3 Measurement Inlay of level measurement The bargraph colour s changes accor ding to the signal noise S N ratio in the video signal e red S N lt 24 dB e orange 24 dB lt S N lt 27 dB e yellow 27 dB lt S N lt 31 dB e green S N gt 31 dB This level measurement is just a piece of information Please use the Level Measurement function to get better precision OSD Inlay Inlay On Screen Display of the level measurement and of the associated parameters Setup Frequency Channel Standard 1853 7855 7856 Signal level Frequency You can modify these parameters the same way as in the LEVEL MEASUREMENT page 9 1 5 Top of synchro Inlay of the Top of Synchroni zation of video lines 9 1 6 Video scope Obtaining and displaying video lines video oscilloscope You can select the displayed video line by using the sensitive wheel or the L17 menu key that shows the most frequent test lines The 200mV menu key sets the vertical gain at 200 mV p 50 1853 7855 7856
2. yellow smiley Reminder transponder satellite channel Caution To identify a satellite correctly the appliance must be syn chronized on the 4 transponders Quality gt 0 However certain transponders are modified regularly Please see the satellite s frequency map when it seems that a transponder is not wor king Some commutators or LNB work only with DISEqC In this case posi tion the band LO and the DISEqC polarization on the LNB DISEqC configuration page Caution By using DISEqC checksat is slowed down You can then perform an AUTOSET the same way as in terrestrial band For any additional information please contact our technical support service Ube e mail support sefram fr 1853 7855 7856 1853 7855 7856 3 Presentation 3 1 General Field strength meters 7853 7855 and 7856 are hand held instruments dedicated to the installation and the maintenance of all broadcast and reception systems of analog digital terrestrial and digital satellite televi sions The entire bandwidth covers from 5 MHz to 2150 MHz from 5 to 865 for model 7853 Field strength me ters 7853 7855 and 7856 permit to perform precise measurements on all analog television standards FM carriers and different digital standards NICAM DVB C DVB T DVB S DSS and DVB S2 They perform Level measurement peak average and power according to the chosen standard on the video carrier and audio carri
3. Line LCD The auto key permits to activate deactivate the energy saving function it consists in the extinction of the backlight after a few minutes 13 2 Expert spectrum Use the menu keys to activate deactivate the expert spectrum mode 13 3 Measurement unit Menu keys e dBuV O dBuV is equivalent to 1 UV e dBmV O dBmV is equivalent to 1 mV e dBm O dBm is equivalent to 274 mV 1 mW in a 75 ohms impedance e V measurement in V mV or uV depending on the level 13 4 Correction coefficients They are used to compensate for cable losses to adjust an external attenuator amplifier or antenna Menu keys e Modif list of coefficients for modification e Yes No activates deactivates correction p 65 1853 7855 7856 Configuration CORRECTION FACTORS Coeff 2 MHz 40 0 dE Corrections Modification of coefficients e F decreases the frequency of the selected coefficient e F increases the frequency of the selected coefficient e C decreases the correction value of the selected coefficient e C increases the correction value of the selected coefficient e Init initializes to O the correction value of the selected coefficient Coefficients act in LEVEL MEASUREMENT and in MEASUREMENT MAP 13 5 Memories Configuration MEMORIES Hemor 1 13 5 1 Folders Files are divided into different folders so they are easier to manage The number of files in every folder and the p
4. 12 1 Satellite band Parameters Place LHE DiSEgl Remote supply Configuration parameters e Remote supply remote supply on off e LO1 Frequency LO frequency LNB low band e LO2 Frequency LO frequency LNB high band e LO selection band switching on the LNB 22 kHz ToneBurst or DiSEqC e Polar selection polarization switching on the LNB 13 18V ou DiSEqC e Switch presence and type of a commutator No ToneBurst 22 kHz or DiSEqC e Satellite commutator position SAT A SAT B SAT C or SAT D e Positioner presence of a positioner Yes No e Satellite current position from 1 to 127 positions precharged in the positioner 12 2 Terrestrial band Parameters 1 RECH UHF gt Place REMOTE SUPPLY Remote supply Configuration parameters e Remote supply remote supply on off Selection of the remote supply voltage among 5V 13V 18V p 63 1853 7855 7856 853 7855 7856 13 Configuration Press the key to access to the appliance general CONFIGURATION Lome laure ae lan Language e language date and time printer e LCD lighting beep volume e Expert spectrum see Spectrum mode e measurement unit corrections e memories e initializations 13 1 Language date time LCD and beep To change these parameters use the menu keys Caution By reducing the screen brightness you can gain autonomy but this process can also cause backlighting flashings
5. 2 Cartes graphiques B Cartes r seau gt Claviers Conexant Other Devices 4 Contr leur de lecteur de disquettes 2 Contr leurs ATA ATAPI IDE Contr leurs audio vid o et jeu E Contr leurs de bus USB Concentrateur USB racine Contr leur h te universel USB Rev 5 ou ult rieur VIA USB lt gt Serial 3 Lecteurs de CD ROM DYD ROM amp Lecteurs de disque Lecteurs de disquettes m MicrochipTools id Moniteurs Y Ordinateur P riph riques syst me Ports COM et LPT SH Processeurs Souris et autres p riph riques de pointage It is important that you remember to which USB port the cable is connected Always connect the appliance to the same port in order to avoid reinstalling the driver or changing the COM port number p 28 853 7855 7856 4 5 3 Updating the software The embedded software can be updated to get new features developed by SEFRAM Download from our web site www sefram fr the update software 785X_vX X ZIP e Unzip this file in your chosen directory e Launch SETUP EXE then follow the instructions Connect the appliance to your PC through the USB link Turn on the appliance Launch FLASH785X on your PC Configure the USB link by choosing the right COM port to find the right COM port for the ap pliance see above Then launch loading click on the yellow smiley Wait for the bar graph to be filled 785 Firmware Upd
6. HISPASAT 30 0 West Ku Band Frequency MHz Standard symbol rate kS s 1579 Dve s 27600 H A 4 transponders Every satellite is characterized by its name its position its band C or Ku 4transponders Every transponder is characterized by a frequency a standard a Symbol rate apolarity 8 1 2 How to use SeframSat Set SeframSat software depending on the appliance you are using e Instruments permits to choose the target appliance e Port permits to choose the COM port where the appliance is installed see paragraph connecting the appliance to a PC 4 5 The different controls permitted by SeframSat are e File then Open permits to open a sat that includes a satellite list e File then Save permits to save all the defined satellites p 42 1853 7855 7856 Seframsat version 2 0 a fx Fichier f File Instrument Pork Baud Donn es Data TURKSATIC ASTRA2 ASTRAT EUTEL W2 THOR 2 ATLANTIC 3 ATLANTIC 2 Sends the list of satel lites contained in the appliance to SeframSat software Satellite Position Band Hspasat a0 west gt kubana Sends the list of satel lites contained in Se Frequency MHz Standard Symbol rate kS s Polarity framSat software to the masa es eso JH y O 3 appliance 11882 DVB S 3800 wo y nn u Deletes the selected satellite from the current map e SeframSat permits to char
7. are also displayed 9 2 2 PMT table PID EE PCE PIO 1000 Program Humber 10020 Display of the Program Map Table of the multiplex The different PID are described In case of a multilingual transmission language can be modified 9 2 3 NIT table Display of the Network Information Table of the multiplex The network s name and other useful information are also diplayed in this list 9 2 4 Access rights access card Please find the access card at the back of the appliance this extra cannot be found on the model 7853 When the channel displayed in TV mode is encrypted the appliance automatically checks on the card in terface if there is a decoding key If you don t insert the right access card you could not watch the encrypted channels 9 3 ASI outputs for 7856 only The model 7856 is equipped with 2 mpeg ASI outputs asynchronous serial interface These outputs are series MPEG outputs Transmission is in series asynchronous and without clock p 52 1853 7855 7856 10 Level power measurement To Press the f key to access to the LEVEL MEASUREMENT function Perform a level measurement for a specified frequency with a detection and a filter appropriate to stan dard Record level during a determined duration You can either perform measurements on a stored setup see chapter Configuration of Places or mo dify manually parameters for each parameter line
8. 7853 7855 7856 FIELD STRENGTH METER USER MANUAL April 2007 M7855001A 03 1853 7855 7856 Thank you for purchasing this SEFRAM product and therefore trusting our company Our different teams reseach department production sales department after sales service are aiming at satisfying your wishes by designing and updating very advanced appliances To obtain the best performance from this product please read this manual carefully For more information please contact our different services Sales department e mail sales sefram fr After sales service e mail sav sefram fr Technical support e mail support sefram fr Fax 33 0 4 77 57 23 23 Website www sefram fr INSTRUMENTS amp SYSTEMES Copyright Sefram 2007 All rights reserved Any total or partial reproduction of this document must be submitted for Sefram authorization 1853 7855 7856 1853 7855 7856 1 Important INTORMAUON aaa 9 1 1 PEC ei Eee Beer 9 1 2 Safety INSHT CONS le o a 9 1 3 Symbols and delos a O ic 9 1 4 Gontormity and applianceliMits 28e te E e entente te ete 9 2 QUICRS AQU ee se ee 11 3 Presentation A 17 Uco nern ts 17 32 DES o o do eee eee 18 3 2 1 Erontpanel ren de Aas 18 3 2 2 FE UNElION Keys aida 19 3 283 Eommectors Upper panels ann 20 3 2 4 Man machine lhterfaeng ss a2 ie 20 3 25 Structure of Places Setups and Frequency bands nennen nenne nenne anne 22 3 2 6 NUIMDEr
9. 1 hour 8 hours 24 hours 7 days Spectrum analysis Filters 100 kHz 300 kHz and 1 MHZ in terrestrial band 1 MHz 3 Mhz and 10Mhz in satellite band Input attenuator O to 50 dB step of 10 dB Dynamic range display 60 dB Span 0 5 10 20 50 100 200 500 1000 MHZ and full band Automatic measurements level 2 cursors power C N except for 7851 7851C and 7852 Scannig modes normal single shot maximum smoothing quick quick mode for 7851 7851C and 7852 only Number of points 300 points Scanning speed terrestrial mode armel 630 640 540 540 540 640 900 1500 ms 1853 7855 7856 Measurement map data logger Capacity scanning 100 setups max Display digital graphic Measurement detection of thresholds tilt Storage Backup internal backup on flash memory Data places setups frequency maps measures spectra measurement maps graphic displays Capacity 312 ko 1000 files max per type of data Auxiliary inputs and outputs USB interface mini B USB Audio and video Input Output RCA connectors Power supply input 5 5 mm jack 15V max 5A 19 2 DVB C 7851C 7853 7855 7856 According to UIT J 83 APPENDIX A Frequencies 46 MHz to 865 MHz Error rate before Reed Solomon BER after Reed Solomon UNC lost packets Modulation error rate 20 to 40 dB MER Rate 1 to 7 Ms s Constellation 16 32 64 128 256 Scan function in frequency in rate
10. Autonomy about 3 hours depending on use 19 13 Accessories The appliance is delivered with a bag a battery a main adapter a user manual Optional accessories on request e kit TR7836 including the TR7836 software and the USB cable type to mini e cigarette blighter power supply reference 978361000 e F BNC adapter ref 213200011 e BNC TV female adapter reference 213200010 For more details please contact SEFRAM sales department 19 14 V dBuV dBmV and dBm conversion dBuV dBmV is a logarithmic ratio between a measured voltage U and a reference voltage U The reference voltage is Ur 1 uV 1 mV N 20 log U U dBm is a logarithmic ratio between a measured power P and a reference power P The reference power is Pr 1 mW into 75 ohms N 10 log P P with Pd Ud 75 U 1puV N 0 dBuV N 60 dBmV N 108 75 dBm U 1mV N 60 dBuV N 0 dBmV N 48 75 dBm U 1V N 120 dBuV N 60 dBmV N 11 25 dBm p 91 1853 7855 7856 1829 7833 7834 7835 20 Declaration CE DECLARATION OF CE CONFORMITY according to EEC directives and NF EN 45014 norm DECLARATION DE CONFORMITE CE suivant directives CEE et norme NF EN 45014 SEFRAM INSTRUMENTS amp SYSTEMES 32 rue Edouard MARTEL 42100 SAINT ETIENNE FRANCE Declares that the below mentionned product complies with Declare que le produit d sign ci apr s est conforme The European low voltage directive 73 23 EEC
11. Please store the pack in a cool place Do not deteriorate the pack s protection shaft Do not store the appliance in a vehicule overheated by sunbeams The battery has 300 charge discharge cycles life span or 2 years Tips to make your battery last longer Do not discharge deeply Do not store batteries for too long without using them Store your battery when around 40 of it is charged Do not completely charge or completely discharge the battery before storing it When your battery is almost completely discharged the appliance will indicate battery discharged and it will automatically power off after a few minutes 4 2 Charging the battery Caution When the charger is connected to the appliance the metallic chassis is connected to the ground of the wiring To charge the battery in the appliance e Plug the external power supply provided on the Jack plug of the appliance see on the top e Plug the power supply into the mains supply The internal charger starts charging the battery the BATT orange indicator light comes on p 25 1853 7855 7856 You can charge your appliance this way either when it is on or when it is off Charging takes longer when the appliance is on So to charge quickly you need to turn your appliance off When the battery is charged the BATT LED will automatically power off The battery charges to 80 in one hour with a quick charge 2H30 standby time The t
12. Signal level In terrestrial band for a user socket the level must lie between 50 and 66 dBuV in FM between 35 and 70 dBuV in DVB T and between 57 and 74 dBuV in any other case In satellite band for a user socket the level must lie between 47 and 77 dBuV Signal level 1 RECH UHF gt Ep 0 A J Setup el Frequency 11034 000 MHz Frequency mt a0 MHz Channel 30 E30 j Standard DVB 5 Standard E a Symbol rote 27 200 Mss Audio 6 5 MHz NICAM RF 58 5dB CE E 2 20 120 H U 35 7ABpUL Yt C N ULNE O 1B oo 22 a 13 ne UsA1 16 ce ILNB 156 TT 7 U7A2 29 5ccH Low High Wert Hor Fight Left List 10 1 Parameters Every menu depends on the parameter in reverse video The different parameters are Setup Selected setup This choice can be made by using the sensitive wheel the keyboard or the list of Setups Frequency Selected frequency You can change the selected frequency by using the sensitive wheel the keyboard or the frequency Map Menu keys v Map choice of a frequency in the frequency Map Channel Selected channel in terrestrial band only This choice can be made by using the sensitive wheel the keyboard or the frequency Map Menu keys v 6 MHz 7 MHz 8 MHz choice ofthe COFDM DVB T bandwidth v Map choice of the Channel in the Frequency Map p 53 1853 7855 7856 e Standard Selected standard This choice is made by using the menu
13. To sort the setups of the Measurement map press the menu key Sort They can be sorted out p 73 1853 7855 7856 e In ascending Setup number order e In ascending frequency order Alternately every time you press the key 15 3 Out of tolerance values Numerical values are displayed in color according to the Thresholds programmed in PARAMETERS line Thresholds e Red for values lower than the minimum Threshold or higher than the maximum Threshold e Green for the values between these two Thresholds 15 4 Graphic display Measurement map CO J dE pl a By pressing twice the MEASUREMENT MAP element function key you can display the Measurement Win o oe map in a graph lL O 20 m FO POE pl 007 i Ref Ref gt lt Curs Curs gt It is displayed in one screen the histogram widths are automatically fitted according to the number of Se tups included in the Measurement map The blue cursor shows a Setup and displays its number and its name on the first line of the page This Setup s video carrier level is displayed at the bottom on the left You can move the cursor by using the sensitive wheel A tilt measure attenuation in the bandwidth can be performed by moving 2 cursors with the menu keys e lt Ref moves the tilt reference to the left e R f gt moves the tilt reference to the right e lt Curs moves the tilt cursor to the left e Curs gt moves the tilt cursor
14. 91 Analog aa a A Me 47 9 1 1 Full Screen Mode o ea 48 9 1 2 Settings of volume brightness contrast colour and Shade occccoccccccccnccccnncconnnoncnncnnnnnnnnnnononenonononns 49 9 1 3 MESS ee ae E E see dd ea 49 9 1 4 OSBPAlhlaWan32 a ne owned uel Sota Niue 49 Selo MODO SAONE a else nied nn E 50 9 1 6 MACONDO 50 AE VAL E SR EIEE EA AEE do EAE de a 51 9 2 1 Device table 2 arte Aa tas doo ak da Ni nue NU ec 52 9 2 2 PM Walle PID fie ae nee ec eee celui a 52 9 2 3 NT re AA RAA A RAR CRA NETTER 52 9 22 ACCESS Manisd access Case ee ee lee 52 93 ASIoutputs OF 90 Only ee Een nee 52 10 Level power measurement uus0u00na00nnnunnanunanunnnnnnnnnnanunnnnnnannnanunnnnnanunnnnnnnnnnnnennnnn 53 JOIN o ES A de IA At ee A en ee ie 53 10 2 Measurements according to Standard sise 54 105 TER SE PAS SE A ee D ne ae nt ee 54 10 22 Satellite Bands ee ee re A ee een 55 10 3 Recording measures over MEL euren arena 56 I GPS 0 0 ER ee ern een ee nee 57 Is A ee a ee A A 57 11 2 PNC MAS Olay teste tere teetan A ehe 57 AE A ee ee ne ee ee nee ei een 58 11 4 Eranstert software XFER200 0 E22 a dd ei eo do Lo e de coda este 59 is Is SO O e ea do 61 TS See BCS Yc Cea ae ed ee ET Ce 63 12 1 ES lo A ee eat ee eas ee ue 63 122 2 WAV OS UA ANC ieee se A A A 63 13 GOHMGQUFANON Se en eee 65 13 1 Language date time LCD and Deep iii 65 ZE XDE NUS D CORS Se ee ee D ae a 65 13 3 MA a e cd a o ol o 65 194 Cr
15. OF places And SEiIDS is RL ein ee 23 4 Operating the appliance cuerdas asa 25 o a io ee a E E iatecnalin ae a 25 4 2 harding Me Batley sni ii E E lee 29 4 3 Extemal power SUP sea a De a a a Ea 26 4A POWErINdUD theappliancE osineen a en 26 4 5 Connecting the appliance to a PC iii nnnnnennnnnennnnnennnnnennnnnennnnn 26 4 5 1 Necessary configuralo icira E A a ee nie 26 4 5 2 MaDe OVET Se ae tr ini 26 45 3 Updating h lt SOTW ANC sran gp as E 29 9 AUTOSE MOQO ee ee en 31 9 1 TerrestialMOde es ea Eee sende 31 92 0 112 21 On 32 co A ocio 32 SA SO A eI ee 32 Configuration Of Places etes aue nee neneane teste nras eue ester 33 6 1 POS OS ne een 33 D 2 A ed dd ea eee eee eee 34 Spectrum Anal ZEN ea a a e Eee da aka keine 37 7 1 oa o AAA o AA E ce re ee een tee 37 TZ A A ce 38 1 2 1 BA enn air 38 7 2 2 Operating the manual C N measurement sise 40 8 Normal Check satellite and Double LNB uu222000200002000nan00nnnnonnnnunnnnunnnnunnnnunnnnnnnnn 41 Sce Ae ANS AT SO NN ARR iio cet ici a a nassae st peecotase 41 8 1 1 fi air 41 8 1 2 HOW touse Selramsaln sasieia ei ai HE ee 42 382 Checksat mode int rac s sise san e es ado edo 43 8 3 NOIMAlCRECKSAL En ea ee a eal oe a ee i 44 8 3 1 Normal checksat information a SE a ed Se es ns ne 44 1853 7855 7856 8 4 Bats e leere St te Se ee a Ne nee 45 8 5 Modification of a transponder s parameters sisi 46 9 Image and Sound insano 47
16. bandwidth in order not to recall the files saved on another fre quency bandwidth Select the file in the displayed list then recall it by pressing the Recall menu key The file is recalled and the Display memory mode message is displayed on the menu keys Press a function key to quit Memory mode and to restart measurements 14 3 Save Recall Measurement Map Saving the Measurement Map is made up of the list of Setups found in the Map and associated with the measures V A1 A2 Only the numbers of Setups in the Place are saved Frequency information Channel and Standard are displayed in the list of Setups and the Frequency map of the current Place Caution If you recall a Measurement Map saved under another Place or if you modify the list of Setups in the Place the Setup Frequency Standard measu res correspondence will be lost Besides if the Measurement map for the Place has been modified the displayed channels will not correspond to the measures 14 4 Spectrum curve superposition When the appliance is in spectrum function the Save Recall mode gives 2 types of files TXT and DRW and the overwrite Mode 1853 7855 7856 Save Recal Spectrum Span 1250 MHz The TXT file contains the total spectrum configuration and its curve as well The DRW file contains the curve only Recalling a DRW file superposes the saved curve to the current scanning in red if Overwrite is p
17. e C N is displayed at the top and in the middle of the screen p 40 1853 7855 7856 8 Normal Check satellite and Double LNB In Satellite band only The check satellite mode allows a fast alignment of satellite dish by the initial choice of the satellite to be received Pressing the imine key twice gives access to the CHECKSAT function when the current Place is in satellite band Check Sa Satellit t The appliance has 30 pre programmed satellite orbital positions in storage each satellite possessing 4 transpon ders 8 1 SeframSat software 8 1 1 Installation You can download the SeframSat software on our website www sefram fr SeframSat software permits to inform correctly one or several satellites Each satellite is characterized by 4 transponders SeframSAT Setup Begin the installation by clicking the button below e Double click on setup exe file to install the soft ware on your PC Directory pega Files SeframsaT Change Directory Exit Setup e Launch SeframSat software Start gt Programs gt SeframSAT By default the software is delivered with a valid satellite list installed in the SeframSat installation directory p 41 1853 7855 7856 Example how to open europe sat file satellites SeframSat version 2 0 Fichier f File Instrument Port TURKSATIC ASTRA2 ASTRAT EUTEL THOR 2 ATLANTIC 3 ATLANTIC 2 Satellite Position Band
18. exit 1853 7855 7856 Modification of a numerical value using the sensitive wheel Signal level Frequency When a line is highlighted reverse video for a numerical parameter a cursor showing the action of the sensitive wheel appears below one of the numerical digits To move the cursor use the LEFT and RIGHT keys on the front panel Selection from a list Parameters Freguencies map FREGUEHCIES MAP France Cable Some parameters can be chosen from lists frequency maps Setups Places Channels To move the reverse video press the UP and DOWN keys on the front panel or use the sensitive wheel The menu displays 2 keys confirms your choice and erases the list Fl cancels your choice and erases the list p 21 1853 7855 7856 Alphanumerical data input Parameters Place For some parameters you can enter alphanumerical data from the keyboard and the menu keys This action begins by pressing a key from this keyboard for numerical values program number frequen cy and also by pressing a menu key for texts place name setup name The data entering field appears in color you can confirm your action only by pressing the J key on the alphanumerical keyboard Any other action cancels the data input in progress 3 2 5 Structure of Places Setups and Frequency bands In order to simplify the access to the memorized information on the field the
19. extra from SEFRAM under the number 978551100 After connecting the appliance to the PC the following screen appears if Windows Update is searching for the driver click on Not this time and on Next 1853 7855 7856 Found New Hardware Wizard This wizard helps you install software for EVAL232 Board USB lt gt Serial If your hardware came with an installation CD EP or floppy disk insert it now What do you want the wizard to do O Install the software automatically Recommended Click Next to continue 1 Select Install from a list or specific location and click on Next 2 The following screen appears Found New Hardware Wizard Please choose your search and installation options Fa tan Y Search for the best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed C Search removable media floppy CD ROM Include this location in the search E CDM 2 00 00 Don t search will choose the driver to install Choose this option to select the device driver from a list Windows does not guarantee that the driver you choose will be the best match for your hardware 3 Tick Search for the best driver in these locations and Include this location in the search 4 With the Browse button select the directory t
20. keys they show all the available standards Menu keys All available standards on the current frenquency Band e Audio Selected audio Mode This choice is made by using the menu keys they show all the available Modes In Terrestrial Band v Mono St r o and NICAM e Band Polar Choice of Bandwidth and LNB polarization Local Oscillator in Satellite band only Bandwidth Y Low setthe LNB on LO1 display of BIS frequency LO1 Y High set the LNB on LO2 display of BIS frequency LO2 This choice is made accordingly to the type of LNB that you have selected Function key LNB DiSEqC Caution All information concerning LNB and positioner is transferred through the remote supply 22 kHz modulation or DiSEqC is combined with the DC supply generated by the appliance Polarization Y Vert LNB Polarization is switched to Vertical mode Y Hor LNB Polarization is switched to Horizontal mode Y Right LNB Polarization is switched to Right mode Y Left LNB Polarization is switched to Left mode This choice is made accordingly to the type of LNB that you have selected in PARAMETERS page line LNB DiSEaC e Symbolrate Symbol rate of the current setup in digital satellite band only This choice can be made by using the sensitive wheel the keyboard or the menu keys 10 2 Measurements according to Standard The appliance performs various measurements depending on the selected standard The possible measur
21. measuring time and passed time Use the menu keys to modify the Constellation display e Zoom Xi zoom in X1 e Zoom X2 zoom in X2 BES change of dial e Hold fixed picture e init new measurement 1853 7855 7856 17 2 Confidence frequency Response DVB T only The appliance displays Confidence and Frequency Response FR for the signal in progress Contidence Freg F Confidence represents the confidence rate for each carrier by the DVB T demodulator carrier with a low Confidence will be rejected the transfered data is already included on other carriers redundancy The frequency response is the reception relative amplitude for every measured carrier FR You can change the number of carriers used for display by using the menu keys e 1 1 one in one all carriers are used e 1 2 one in two e 1 4 one in four e 1 8 one in eight e 1 16 one in sixteen e Ma maximum speed measured on 240 carriers only 17 3 Impulse response DVB T only The appliance displays the impulse response for the signal in progress Impulse re 1853 7855 7856 This function permits to display the possible echos affecting the received signal Relative ampli tude in dB and delay in us distance in km or in mile compared to the main signal line 0 can be estimated The yellow line represents the end of guard rate the echos lines that are situated beyond this line disrupt reception and must be as lo
22. min 1 hour 8 hours 24 hours 7 days Constellation graphic display except for 7851 7851C and 7852 19 6 DVB T except for 7853 According to ETS 301 701 Frequencies AFC Error rate Modulation error rate Bandwidth Carriers Constellation Viterbi rate Guard rate Scan function 45 MHz to 865 MHz 167 kHz before Viterbi CBER after Viterbi VBER after Reed Solomon UNC lost packages O to 35 dB MER 6 7 or 8 MHZ 2k 8k automatic 16QAM 64QAM QPSK automatic 1 2 2 3 3 4 5 6 7 8 automatic Ya 1 8 1 16 1 32 automatic in frequency per channels p 89 Graphic display Duration 1853 7855 7856 CBER VBER UNC and MER with 312 points except for 7851 7851C and 7852 10 min 1 hour 8 hours 24 hours 7 days Constellation graphic display except for 7851 7851C and 7852 Graphic display of the 312 point channel Confidence and Frequency Response except for 7851 7851C and 7852 Graphic display of the 312 point channel Pulse Response except for 7851 7851C 19 7 NICAM 728 Detection of parity errors The NICAM decoder permits to receive NICAM sounds the error rate is given for information only Graphic display Duration BER with 312 points except 7851 7851C and 7852 10 min 1 hour 8 hours 24 hours 7 days 19 8 Image and sound demodulation Audio Video Video output Audio output 19 9 Remote supply Voltag
23. polarization adjustment Remote supply on off positioner adjustment only in Satellite band if there is a positioner v Lohi high Band low Band switch v HWV R L horizontal vertical right left polarization switch v On Off remote supply on off v Posit gives access for modification of posistioner The Posit menu key permits to control a positioner supporting a dish o lt West moves the dish westwards e East gt moves the dish eastwards e Stop stops the movement p 39 1853 7855 7856 e Store saves the current position in the position current number e Calcul recalculation order of the positioner s other positions A long press on the lt West and East gt keys launches a continuous movement Press Stop to stop this action The measurement cursor can be moved by using the sensitive wheel or the LEFT and RIGHT cursor keys 7 2 2 Operating the manual C N measurement Measurement on analog carrier or on digital carrier To minimize the appliance s noise e Program a reference level as low as possible greater dynamic range Measurement e foran AM modulated analog video carrier select Max mode e fora digital carrier select MaxHold mode e position the cursor on the carrier in the middle for a digital carrier e shift to Delta measurement and put the reference gt R f on the highest point e shift to Maxhold and move the cursor to an area with no carrier Noise
24. satellite B 10719 127 Lo Hi For every line there is a different menu Click on the imine key to go back to normal or double checksat Activating or deactivating a transponter permits to accelerate the search for active transponders p 46 1853 7855 7856 9 Image and Sound Pressing the key gives access to the IMAGE AND SOUND function 9 1 Analog TV Display of terrestrial analog images FM radios Sound brightness colour contrast controls Full screen mode Display of the top of synchro signal of the video lines Display of the entire video lines video scope Menu keys Full screen mode Settings of volume brightness contrast colour and shade Inlay of the level measurement bargraph Inlay of the LEVEL MEASUREMENT function Inlay of the Top of synchronization Video oscilloscope Internal image source external image source input on audio video connector p 47 1853 7855 7856 9 1 1 Full Screen Mode The different full screen modes are described below 4 3 full screen mode no distortion for a 4 3 transmission Cinema full screen mode no distortion Wide full screen mode horizontal distorsion for a 16 9 transmission for a 4 3 transmission Wide full screen mode horizontal vertical 16 9 full screen mode horizontal distortion distortion for a 4 3 transmission for a 4 3 transmission p 48 1853 7855 7856
25. to the right The tilt measure is displayed at the bottom and on the right of the page The histograms are displayed in color depending on the thresholds programmed in the PARAMETERS page line Thresholds e red for values lower than the minimum Threshold or higher than the maximum Threshold e green for values between these two Thresholds The audio carriers levels are added to the associated video carrier histogram according to the colors in the legend at the top and on the right of the page If one of the Audio carriers is higher than the programmed minimum or maximum Threshold the whole histogram is displayed in red 1853 7855 7856 16 Error rate measurement To access to the ERROR RATE MEASUREMENT function press the function key The displayed measures are BER Bit Error Rate UNC Uncorrected Packets and MER Modulation Error Rate in DVB T MCNS DVB C DVB S DSS or NICAM In DVB S2 LDPC BCH PER and MER are dis played If the BER or VBER error rate is higher than 1 4 the bargraph is yellow if there are lost packages it is red The automatic frequency control is automatically activated when you are using the error rate measurement function You can access to these measurements if one of the following standards is in progress in the LEVEL MEASUREMENT page v DVB S DSS DVB S2 DVB T NICAM DVB C MCNS XK NN 16 1 Parameters The number and the meaning of the displayed paramete
26. 0 v2 0 LISE com port USB configuration Comi Coms Coms Comb Coma C Com Com4 Come File name GPS file to be transfered Transfer button 1853 7855 7856 Caution a new EXCEL sheet is added to the existing sheets every time you click on XFER make sure not to ex ceed the maximum number of sheets in your spreadsheet a tool button XFER2000 is added to the EXCEL toolbar the first time you launch XFER2000 click on this button if you want to transfer new files X Microsoft Excel XFER2000 xls Fichier Edition Affichage Insertion Format Outils Donn es Fen tre TEE ora Ae E Migs nouveau bouton outils MEA SA UA CIA O DC File name MEM1 GPS Date 04 06 2002 3 Time 17 17 00 Original Latitude 45 25 206 Morth Orginal Longitude 422 669 East MEN Place name Frequency band 5 065 MHz nity day CANAL 3 163 125 High threshold Low threshold Meas 18 A A E In Ee Un 0 Cd C0 le 0 Lg Qi Alca ba 0 p 60 1853 7855 7856 11 5 GIS software The XFER2000 data format is compatible will most GIS Geographical Information Software softwares In the EXCEL spreadsheet data can be saved eithet in EXCEL format or in Text format to be exported to your GIS software p 61 1853 7855 7856 1853 7855 7856 12 LNB DISEgC to access to the installation configuration Press the function key Walz
27. 56 only CONFIGURATION DISEQC On Off remote supply selection of bandwidth polarization configuration Start up and configuration of switch or positioner CONFIGURATION language date hour unit of measure volume brightness coefficients of correction memory space management and initialization of the number of places used in the appliance SAVE RECALL used to store or recall measures records and configurations MEASUREMENT MAP scan of the level of 100 setups maximum graphic display by pressing this key twice BER MER BER and MER measurements according to the current standard graphic recording by pressing this key twice CONSTELLATION display of the DVB T DVB C DSS DVB S and DVB S2 constellation display of Confidence Frequency response and Impulse response in DVB T 1853 7855 7856 3 2 3 Connectors upper panel Video input output ASI ouptput 7856 Access card interface except for 7853 BNC input RF External power sup USB mini ply input connector GPS connector 7856 3 2 4 Man machine Interfacing Selection and modification of parameters in measurement pages SP orien ote Title of the current page Current place Frequency Battery level When a line is highlighted reverse video the appropriate menu is displayed To move from one line to another use the UP and DOWN keys on the front panel Some menus display 2 keys validation enter cancellation and menu
28. 8 750 PAL Terrestrial Band 45 865 MHz Satellite Band 920 2150 MHz 6 1 Parameters gt Selecting a place This choice can be made through a Place number sensitive wheel or keyboard or through the list of Places e Name Place name input 10 characters maxi List Choice of the current Place among the list of Places gt Selecting a Frequency bandwidth for a Place Menu keys Ter terrestrial 5 865 MHz with all standards of terrestrial TV e Sat satellite 920 2150 MHz with all standards of satellite TV gt Modification of Thresholds min maxi for each standard Menu keys Modif displays the list of Thresholds for modification To move on this menu use the direction keys To modify a Threshold use the sensitive wheel Press a function key to complete modification gt Modification of the header Messages that can be used with the TR7836 software Menu keys Modif displays the list of Messages for modification p 33 1853 7855 7856 To move on this menu use the direction keys Data input starts by pressing a key on the alphanumeri cal keyboard Yes No validates the printing of each message Press any function key to complete modification gt Selecting a Frequency Map used in the instrument Terrestrial Band only Menu keys Modif displays the list of channels for modification List displays the list of the frequency maps predefined in the instrument The mo
29. CAM carrier Automatically displays e mono e stereo e two mono channels bilingual 0 77 1853 7855 7856 e data In two mono channels mode for example for a bilingual transmission use the Sound 1 and Sound 2 menu keys to select the sound to be demodulated 16 7 Recording measures over time Pressing twice the MER BER function key permits to display the graphic recording of measures BER The legend shows by colours the measures being recorded You can set the recording time by using the menu keys from 10 minutes to 7 days At the end of the chosen duration record is stopped and is still displayed on the screen until you press a key p 78 1853 7855 7856 17 Constellation Confidence Frequency response Impulse response To access to the CONSTELLATION function in DVB T DVB C MCNS DVB S DVB S2 and DSS press the key By pressing twice this key you get access to the IMPULSE RESPONSE in DVB T By pressing this key one more time you get access to the CONFIDENCE FREQUENCY RESPONSE in DVB T These measures are accessible if one of these standards is in progress in the LEVEL MEASUREMENT page 17 1 Constellation The appliance displays the Constellation of the signal in progress The information displayed on the right of the Constellation graph is the same as in ERROR RATE func tion e current frequency e constellation e symbol rate e error rates and MER e
30. Graphic display BER UNC et MER sur 312 points Duration 10 min 1 hour 8 hours 24 hours 7 days Constellation graphic display except for 7851C 19 3 MCNS 7851C 7853 7855 7856 According to UIT J 83 APPENDIX B SAME AS DVB C but Constellation 64 256 19 4 DVB S DSS except for 853 According to ETS 300 421 Frequencies 920 MHz to 2150 MHz Error rate before Viterbi CBER after Viterbi VBER p 88 Modulation error rate Rate Modulation Viterbi rate Scan function Graphic display Duration 1853 7855 7856 after Reed Solomon UNC lost packages 0 to 20 dB MER 1 to 45 Ms s QPSK 1 2 2 3 3 4 5 6 6 7 7 8 automatic in frequency in rate VBER UNC and C N with 312 points except for 7851 7851C and 7852 10 min 1 hour 8 hours 24 hours 7 days Constellation graphic display except for 7851 7851C and 7852 19 5 DVB S2 except for 7853 According to ETS 302 307 Frequencies Error rate Modulation error rate Rate Modulation Punctuation Scan function Graphic display Duration 920 MHZ to 2150 MHz before LDPC after LDPC BCH after BCH PER lost packages 0 to 20 dB MER 1 to 45 Ms s QPSK 8PSK automatic QPSK 4 1 3 2 5 Y 3 5 2 3 Ya 4 5 5 6 8 9 9 10 automatic 8PSK 3 5 2 3 Ya 5 6 8 9 9 10 automatic in frequency in rate LDPC BCH and PER with 312 points except for 7851 7851C and 7852 10
31. NF EN 61010 1 Safety requirements for electrical equipement for measurement control and labo ratory use La directive Europeenne basse tension CEE 73 23 NF EN 61010 IR gles de s curit pour les appareils lectriques de mesurage de r gulation et de laboratoire The European EMC directive 89 336 EEC amended by 93 68 EEC Emission standard EN 50081 1 Immunity standard EN 50082 1 La directive Europ enne CEM CEE 89 336 amend e par CEE 93 68 En mission selon NF EN 5008 1 1 En immunit selon NF EN 50082 1 Pollution degree Degr de pollution 2 Product name D signation Field Strengh Meter Mesureur de champ Model Type 785x Compliance was demonstrated in listed laboratory and record in test report number La conformit a t d montr e dans un laboratoire reconnu et enregistr e dans le rapport num ro RC 785x SAINT ETIENNE the Name Position April 20 2007 T TAGLIARINO Quality Manager
32. OVERHEATS ACTIVATED LET THE INSTRUMENT COOL If the internal temperature in the appliance is over 60 C change to protection mode SEF RAM RAM mag Imp If a message in red appears on the menu keys contact SEFRAM technical support e mail support sefram fr p 85 1853 7855 7856 1853 7855 7856 19 Specifications 19 1 Common technical features 785x Frequency Ranges 45 MHz to 865 MHz terrestrial band gt 7851 7852 and 7851C 5 MHz to 865 MHz terrestrial band return path FM VHF UHF gt 7853 7855 7856 920 MHz to 2150 MHz satellite band Resolution measurement 50 KHz in terrestrial band 1 MHz in satellite band dis play 1kKHz Mesure de niveau 5 45 MHz 45 865 MHz 900 2150 MHz 25 120 dBuV 20 120 dBuV 30 110 dBuV Accuracy 1 dB typical 1 dB typical 1 dB typical at 23 C 5 C 2 dB max 2 dB max 2 dB max Accuracy 4 dB max 4 dB max 4 dB max From 5 C to 45 C Unit dBuV dBmV dBm or Volt Resolution 0 1 dB Measurement filters 100 kHz 300 kHz in terrestrial band 1Mhz in satellite band Input 75 OHMS BNC Max input level 80 VDC 80 V RMS 50 Hz Standards B G D K I L M N NICAM FM DVB T DVB C DVB S2 DVB S DSS MCNS some standards might not be available depending on the type of appliance Measurements peak average or power Display digital graphic with 312 points Recording time 10 min
33. The Var and Var menu keys are used to modify the vertical gain The Hold menu key freezes sweep The information displayed on the right of the display window is e Synchronization of the video line acquisition Sync Sync OK e Detected colour norm PAL SECAM NTSC e Number of the line currently displayed e Y vertical scale amplitude e X horizontal scale time The direction keys permit to centre the acquisition in the screen 9 2 TV MPEG2 e MPEG2 DVB T DVB C MCNS DVB S DVB S2 and DSS e Service table e Table lookup PMT PID and NIT The services name and main characteristics are displayed at the top and on the right on the screen MP ML main profile main level 720 points 576 lines 25 Hz frame frequency 4 2 0 brightness and chrome encoding 48 kHz audio sampling frequency Menu keys M Full screen mode idem 9 1 1 aa Settings of volume brightness contrast colour and shade idem 9 1 2 e 05D Inlay of the LEVEL MEASUREMENT function idem 9 1 4 Elserv Service display 1853 7855 7856 2 P PMT table display information on multiplex E HIT NIT table display information on network A gt Internal image source o Au ce External image source input on audio video connector LIST SERVICES 9 2 1 Service table NT List and selection of the Services present in the multi plex The provider and the type of service TV Radio
34. UES DVB S DWE S DUBS DWE S Ti T2 T3 T Tr T3 Satellite B Satellite A is on the left side of the screen and Satellite B is on the right side Menu keys Ti T2 T3 T4 Modification of parameters for Satellite A s transponder 1 2 3 or 4 T3 T6 De TE Modification of parameters for Satellite B s transponder 1 T5 2 T6 3 T7 or 4 T8 The left right direction keys permit to switch from Satellite to Satellite B and vice versa The sensitive wheel permits to modify the current satellite change of satellite according to the list sent by SeframSat software To exit from this mode press any function key p 45 853 7855 856 8 5 Modification of a transponder s parameters Pressing one of the Tx keys permits to modify the transponder associated with the number x T1 gt Modification of transponder 1 associated with satellite A T2 gt Modification of transponder 2 associated with satellite A T3 gt Modification of transponder 3 associated with satellite A Frequenc 110723 MHz T4 gt Modification of transponder 4 associated with satellite A Seibel ate Activ 21023 MHz DVB S 29 900 Hs s Tes T5 gt Modification of transponder 1 associated with satellite B T6 gt Modification of transponder 2 associated with satellite B ae T7 gt Modification of transponder 3 associated with satellite B 25 300 27 500 27 500 27 500 T8 gt Modification of transponder 4 associated with
35. acterize completely one or several satellites each parameter can be modi fied either directly by keyboarding its value or by selecting from a drop down list Example How to send the europe sat file to the 7855 appliance Click on instrument and tick 7851 7856 Click on port and select the right COM port Click on file gt open and search for the europe sat file Click on Cr to transmit the satellite list to the appliance 8 2 Checksat mode interface Check Sa Satellit LNB power sup ply current L Satellite s name Position Overall quality annun ciator Transponder 2 infor mation p 43 1853 7855 7856 Reception level Quality uality Level and quality wa bargravh Transponder s frequency Transponder s rate Band polarization Transponder s standard 8 3 Normal checksat Permits to direct a dish towards a satellite Menu keys a a eas Modification of parameters for transpondeur 1 2 3 or 4 o Double Double checksat mode 8 3 1 Normal checksat information Operating mode 1 Connect the dish towards the appliance and turn it on Check Sat 2 Validate remote supply Satellite The VDC LED on the front panel flashes Check the LNB remote supply approxima tely 200 mA 3 Check satellite Select the satellite t0 be checked from the list by using the rotary wheel 4 Slowly connect the
36. ate 1 0 EIER Click Here Connect to aPC using an USB cable start the instrument and launch the transfer if a problem occurs stop the instrument keep the softkey 4 pressed start the instrument and repeat the procedure The software is loaded in your appliance Error messages may appear do not take account of this At the end of the update turn off and then turn on the appliance 1853 7855 7856 1853 7855 7856 5 AUTOSET Mode This mode permits to perform an automatic program search and to inform the current place To ac cess this mode press the key A The lines displayed on this page depend on the wanted frequency bandwidth line MODE Terrestrial Mode Satellite Mode Cable Mode After you have chosen a mode use the up down and left right keys to move in the table The central key on the sensitive wheel permits to confirm or to cancel an option A red cross shows the parameters that are not taken into account in searching A green tick shows that a parameter is taken into account Caution The more options are selected the longer the search time will be 5 1 Terrestrial Mode This mode permits automatic search on the terrestrial frequency bandwidth Aut oset The table permits to choose Frequencies map e Standards e Bandwidths e Remote supply 1853 7855 7856 5 2 Cable Mode The table permits to choose This mode permits automatic search o
37. battery and fast charger and are equipped with a bright color LCD graphic displayer with backlit for better readibility Model 7853 analog terrestrial and DVB C compatible only Models 7855 and 7856 analog terrestrial compatible DVB T DVB S DVB S2 DSS DVB C So model 7853 is not concerned by functions about DVB T DVB S DSS and DVB S2 in this user manual 7853 7855 7856 3 2 Description 3 2 1 Front panel 6 5 inch panoramic screen Indicator lights Starting up Activated remote supply Battery charging Direct access function keys On Off Ultra flat sensitive wheel EXPERT TV ANALYSER The front panel is equipped with an ultra flat sensitive wheel with direction keys For selection keys see below Sensitive wheel Up down and left right ad kevs y Central key 1853 7855 7856 3 2 2 Function keys Er AUTOSET Automatic mode of program search permits to display measurement maps automatically for any type of TV reception PARAMETERS lnitialization of places Frequency band Programs and choice of a current place SPECTRUM fast spectrum analysis Normal checksat and double checksat by pressing this key twice TV display of analog and digital images measurement in OSD Top of Synchro and video Scope LEVEL measures of level peak average and power Graphic recording by pressing this key twice GPS GPS mode positioning by satellite 78
38. ccess to the SPECTRUM ANALYZER function e Graphic representation of frequency amplitude for signals present at the appliance input 2 modes are available expert mode and normal mode This selection is made at Configuration page and Expert Spectrum line 7 1 Normal Spectrum Span 1250 MHz Span 860 MHz Satellite Mode Terrestrial Mode The modifiable parameters are the following e Cursor Fast positionings of the cursor search for peaks e Span Frequency span around the central frequency e RefLevel Reference level scale of amplitudes maximum value e dB div Step of the amplitude scale 5 dB or 10 dB e Setup Pressing this key permits to switch from one setup to another by using the sensitive wheel e Polar Change of polarization horizontal vertical right left satellite mode e Channel Pressing this key permits to switch from one channel to another by using the sensitive wheel terrestrial mode e Full Full span mode permitting to have a maximum frequency span e Auto Automatic reference level The measurement cursor can be moved by using the sensitive wheel or the direction keys RIGHT and LEFT The input attenuator automatically positions itself according to the Reference level The filter automatically positions itself according to the span 1853 7855 7856 7 2 Expert Spectrum 7 2 1 Description Satellite Mode Terrestrial Mode The modifiable parameters are classified by
39. dification can be performed either by using the rotary wheel or by the keypad The Frequency Map will be named User defined It is necessary to choose the frequencies map corresponding to the area where the instrument is used so that you have the right correspondence frequency channel Caution a change in a Frequency map will erase a possible User defined plan previously used there is only one possible frequency lt gt channel correspondence in the appliance 6 2 Setup list List of all Setups included in the current Place 136 000 l L HICAN Menu keys e Modif data input in a Setup e Delete to delete information for a Setup e Reset to erase all Setups e SA to move the selected setup to the line above e Sv to move the selected setup to the line below e Init initialization of all Setups from the frequency map one Channel per setup Pressing Modif key in the setup list will display all the information concerning the setup for modifi cation 1853 7855 7856 Press the direction keys to access the parameters of the Setup Each line corresponds to an initialization menu of the parameter concerned in the Setup Each Setup is described according to its structure see chapter 2 that depends on the Frequency band chosen for the Place Press any function key to complete modification 1853 7855 7856 1853 7855 7856 7 Spectrum Analyzer Pressing the I if key gives a
40. dish until you get the maximum of level and you can hear the locking melody 5 Adjust the LNB to get the best quality against polarization p 44 1853 7855 7856 You can hear a melody when the first transponder is found and then you can hear beeps These beeps are becoming shorter when quality increases If the appliance is not synchronized on any transponder the quality annunciator is red If the appliance is synchronized and if the reception quality is average the quality annunciator is orange If the appliance is synchronized and if the reception quality is good the quality annunciator is yellow Caution To identify correctly a satellite the appliance must be synchronized on the 4 transponders However certain transponders are modified regularly Please see the satellite s frequency map when some transponders are lost Some commutators or LNB work only with DISEQC In this case position the LO and the DISEgC polarization on the LNB DISEgC configuration page Caution By using DISEaC checksat is slowed down 8 4 Double checksat This mode permits to direct a double LNB by checking 4 transponders on your 2 chosen satellites It works the same way as the normal checksat Mode Check Sat double LWE SETE NAJHOT BIRD 13 0 E Sat E TURKSAT IC 42 0 E ILHE 156mA ILHE 156mA pa E ja ar ae a A a je Mi da ar En u pa pee un Man Lee BRAS en eae rn 29e 300 a 500 A 500 2 500 268 A aad u 150 DWE S DWE S D
41. e Mini DiSEqC DiSEqC generator 19 10 Power supply battery External power supply Non removable battery FM analog TV NICAM MPEG2 Decoding depends on CAM Analog TV for PAL SECAM NTSC on LCD screen terrestrial and satellite MPEG2 Decoding depends on CAM Peak to peak level 1 V output impedance 75 ohms about 0 dBm minimal charge 1 kOhm 5V 13 V 18V 500 mA max 22 kHz 2 kHz 0 6 V peak to peak 0 1 V standard 1 2 main adaptor 100 240 VAC cable depends on the country 5 5 mm jack 2 1 mm hole output 15V 5 A max Lithium ion 10 8 V 6 5 Ah 9 V when charge is completed 200 charge discharge cycles The battery is 80 charged in 1 hour 2h30 autonomy A complete charge of the battery 2 hours gives a 3 hour autonomy with a 100 brightness when power supply is on picture MPEG2 p 90 1853 7855 7856 19 11 Environment Operating temperature 5 C to 45 C Storage temperature 10 C to 60 C EMC and safety CE marked and compliant NF EN 61326 July 1997 A1 October 98 A2 Edit September 2001 EN 55022 A2 edit 2003 class B autonomous device Immunity according to EN 61326 1 2006 NF EN 61010 1 June 2001 Dimensions and weight about 210 x 297 x 90 2 1 kg with battery 19 12 Miscellaneous LCD displayer TFT color 6 5 inches 16 9 with backlight Internal battery charger charge is possible either when the appliance is on or off faster when it is turned off
42. echo co e ticionts ren rada aa Dee de dads sade bon eco cance en od 65 A e E II A 66 13 9 1 FOO A PO PO sa A oon sae Haan todo oh Eee secu caneteu caste a 66 OS A AAA A O IA O 67 A A A cae een re aaa ner een 67 14 Save Recalde ads 69 e DAN ee O Ren 70 AA A ee ee ee DEREN ENT EEE ee EEE RER 70 14 3 Save Recall Measurement Map se ae ae el 70 14 4 Spectrum CURVE Ss perposilion asian ea 70 1853 7855 7856 15 Measurement Maison 73 15 1 Entering changing a Setup number sin 22 ee ok 13 192 Automatic SOTO e o en aaa 13 19 3 Qu utof tolerance Yalles ans ae a Ei BE Basler 74 154 Graphic display 2 22 22 2 nes seien 74 16 Error rate measurement 75 1671 Parametros a lts 15 10 2 DVB MONS ee ee ee eee ee 76 10 3 DUB DS a dense seh care entree ete een Un 76 A ef tmencdoseanbecachs 76 16 9 DVB L GOFBN ea Ad an areas 77 100 NIG AW este 77 16 7 Recording measures over time u0220200000000000nnnnnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnenennnnnennnnnnnnnnnnnnnnnnensnnnnnsnnnnnnne 78 17 Constellation Confidence Frequency response Impulse response uus a2un2 79 17 1 Constellation AA Das 79 17 2 Confidence frequency Response DVB T only 80 17 3 Impulse response DV Bat ONY busto 80 18 Message Suicidio 83 18 1 Warning Messages nn Tee 83 18 2 EIORMESSag65 unta daa aaa 83 183 Falus Messages rte ee 85 19 ZSDEEINCAUONS ccc ee ee oe sere an dt in 87 19 1 Common technical Teatur
43. ements are as follows Average measure Peak measure and Power measure 10 2 1 Terrestrial Band The appliance automatically performs level measurements on Video Carrier and on 1 or 2 Audio Car riers depending of the selected Audio mode The table below shows the different types of measures and the audio carriers frequencies for each Standard 1853 7855 7856 Standard Video carrier measure Audio carriers Mono stereo NICAM BG negative AM peak FM DQPSK 5 5 MHz 5 74 MHz 5 85 MHz negative AM peak DQPSK 6 5 MHz 6 258 MHz 5 85 MHz positive AM peak DQPSK ie MHz 6 552 MHz L positive AM peak AM DQPSK ae ee MN negative AM peak FM FM ET lue farm digital mons fa poe o per a pwr wm w e ooo Carer Normales average The appliance shows the Video carrier level the Video Audio ratio s and the C N ratio The display is made of 1 to 4 measures and bargraph The Audio carriers are always measured in Average measure 10 2 2 Satellite Band standard Video carrier measure Loe peak 7853 7855 7856 10 3 Recording measures over time Pressing twice the LEVEL function key permits to display the graphic recording of measures E Signal level The legend shows by colours the measures being recorded You can set the recording time by using the menu keys from 10 minutes to 7 days At the end of the chosen duration record is stopped and is still displayed on the screen until you
44. ercentage they occupy appear on the right The TOTAL folder shows the whole internal memory occupied Menu keys e Dir list of the files in the folder e Reset erases the folder p 66 1853 7855 7856 13 5 2 File list To display the file list in the selected folder press the menu key Dir Configuration FILES 0 MEMO TAT SAT 1 01 00 0 09 Hemor 1 The displayed information is as follows e File number e File name and extension type e Frequency bandwidth where the file has been saved e Date and time of backup Menu keys View displays the file selected Delete deletes the file selected 13 6 Initializations Configuration IHITIALTZATIOHS Places nb dt pelt 2a ens Initializations e Places nb selection of the number of Places in the appliance e Reset actual place erases all information about the current Place e Copy channels gt setups initializes the name of setups with CANAL xx p 67 1853 7855 7856 e Copy setups gt measurement map copies all Setups in the Measuremement map e Reset every place erases all information about all Places For a better security all these operations must be double confirmed p 68 1853 7855 7856 14 Save Recall To SAVE or RECALL configurations or measures press the Key Place Sove FRecall Place After transfert the saved measures will make it possible to create measure ments repo
45. ers if they exist In the Measurement map function they scan up to 100 setups simultaneously and compare them to threshold levels min max With an efficient Error Rate measurement BER MER they permit to validate entirely DVB C DVB T DVB S DSS and DVB S2 digital transmissions A digital display of Constellation in DVB C DVB T DVB S DSS and in DVB S2 and of Confidence Frequency response and Impulse response in DVB T permits to complete this analysis The fast and precise Expert Spectrum analysis permits to display subversive elements and to perform C N measurements power measurements The display of analog digital terrestrial and digital satellite TV images has an OSD function inlay of measures on image and a Scope Mode with Top of Synchro and test lines Sound FM TV NICAM is audible through a built in loudspeaker and video signals image and sound are available on 3 RCA jacks on the top of the instrument Video output becomes an input when external video mode is selected Every type of measure comes with a graphic recording over time it can go until a few days in order to trap fleeting perturbations High capacity memory 312 ko permits to store a large number of configurations measures and spectrum curves Each instrument can be entirely remote controlled through USB interface via a computer Designed for field measurement all instruments are compact 2 1 kg with the battery autonomous pack with
46. es 78 9x cidad id id ei a 87 19 2 DVB C 70S1C 70659 600 7890 Janri ise nn tienne ciao ait Ces tte 88 193 MONS 05167659 7095 TOO ner nee 88 194 DVB DSS EXCEPTION ica 88 19 9 DVB S 2 e Epi ION 008 RE ee ad 89 196 DVB T except o A cac en re dti On ee 89 A PA E 90 19 8 Image and sound GEMOGUIATION sa seen 90 19 9 REMO UDP nee o eee ee 90 19410 SBOWEF SUDDIY DANONE en et a lat sa a ee tn 90 Ttt EDVrONMON Laura nani 91 19 12 IVUSCONAMCOUS ois ltda 91 198218 ACOSO MOS ran cta 91 19 14 V dBuV dBmV and ABM CONVerSION occcocccocccncccncnconcconcconcconcconcconcnnncnnnnnnncnonnnnnnrnnnnnnnnnrnnnnnnnnenanenanenanes 91 20 Declara hon GE nee 93 1853 7855 7856 1853 7855 7856 1 Important information Please read carefully the following instructions before using your appliance 1 1 Precautions e Do not use your appliance for any other use that it is described in the manual e Use the charger block provided to avoid any deterioration of the appliance and to protect its measurement characteristics e Do not use in a wet environnement e Do not use in an explosive environnement e Incase of defect or for the maintenance of the appliance please contact our service department e Do not open the appliance risk of electric shock 1 2 Safety instructions For a correct use of the appliance you have to respect the safety instructions and directions for use descri bed in this manual Specific warn
47. ings are provided all along this user manual You can also find caution symbols on the appliance N 1 3 Symbols and definitions Symbols appearing in this manual Remark indicates important information F Symbols appearing on the appliance Caution see user manual Indicates a risk of deterioration for the equipment connected to the appliance or for the appliance itself Ground accessible parts connected to the appliance s metallic chassis ef Y Product to be recycled EN S 1 4 Conformity and appliance limits See chapter Declaration of CE conformity 1853 7855 7856 1853 7855 7856 2 Quickstart guide Field strength meter 785X So much easier to use with the AUTOSET key Z A Important keys PARAMETERS LEVEL SPECTRUM TV TV see LNB DISEqC want to work ro In terrestrial mode In satellite mode A In any case the AUTOSET key guides you 1853 7855 7856 AUTOSET This mode permits to perform an automatic setup search and to inform the current place Caution Your antenna or your dish must be correctly positioned before you press the AUTOSET key Please see CHECKSATELLITE to see how you can correctly position a dish 1 Press the AUTOSET key 2 Select mode terrestrial satellite or cable according to your search The frequencies map in terrestrial or cable mode is already preselected acco
48. internal software uses Places and Setups Places can also be created with the TR7836 transfert software and downloaded in the appliance A Place is structured as follow a name with 10 characters a frequency band Terrestrial or Satellite a list of Setups e a Measurement map data logger a list of thresholds min max for each standards 6 messages of 24 characters printed on the header of the measurement ticket printable with the TR7836 software p 22 1853 7855 7856 A Setup is structured as follows a name 8 characters a frequency a standard a bit rate or a bandwidth and a constellation mode for digital standards and for a Satellite bandwidth setup status of the LNB polarization band an audio mode and an audio frequency Selecting a Place on the Parameters screen restores automatically all the information concerning this place Selecting a setup on one of the measurement screen restores automatically all the infor mation concerning this setup The choice of the Frequency band automatically selects the standards available Terrestrial band 5 865 MHz terrestrial analog TV standards FM NICAM DVB C and DVB T Satellite band 920 2150 MHz DVB S DSS and DVB S2 Caution Changing a Band on a Place erases all data linked to this place a pop up window will ask for confirmation All this information can be entered on the Parameters screen or transferred fro
49. m a computer using the TR7836 Windows software 3 2 6 Number of places and Setups Le nombre de Sites et le nombre de Programmes peut tre choisi entre 10 Sites 100 Programmes 20 Sites 50 Programmes 50 Sites 20 Programmes 100 Sites 10 Programmes Ce choix est disponible en page CONFIGURATION sur la ligne Initialisations Caution Changing the number of Places and Setups will erase all information linked to all Places and Setups p 23 1853 7855 7856 1853 7855 7856 4 Operating the appliance All our appliances are controlled before shipment and are delivered in an appropriate package There are no particular instructions for unpacking The appliance is equipped with Lithium ion Li ion battery The battery is charged before shipment However if the instrument is stored more than one month without being used the battery might be dis charged Please recharge it if necessary 4 1 Battery Caution For any action on the battery it is required to take the appliance to pieces and this must be done by a SEFRAM technician Only batteries provided by SEFRAM must be used Safety instructions Do not throw to fire or warm up the battery pack Do not short the battery cells risk of explosion Do not pierce Do not disassemble the battery pack Do not reverse the battery polarities This battery pack includes a protection component that must not be deteriorated or taken out
50. n the cable frequency bandwidth 1 RECH UHF Sta n d a rd S Search parameters Constellations Symbol rates 5 3 Satellite Mode This mode permits automatic search on the satellite frequency bandwidth The table permits to choose rer Standards LNB bands LNB polarizations Symbol rates 5 4 Scan menu key When you have correctly informed the table terrestrial cable or satellite click on the scan key to launch search A warning message indicates that the current place will be crushed If you want to keep the current place modify the place number in the Parameters page Pressing YES deletes the current place It will be filled with the new values of the found programs The screen below shows the progressing search Autoset in progress When search is in progress pressing Stop in terrupts search The appliance goes automatically to the Measurement Map mode when search is completed or when the user stops search p 32 1853 7855 7856 6 Configuration of Places Pressing the th key permits to access the PARAMETERS function e Initialization of the data included in each Place e Initialization of the data included in each Setup e Choice of a Place among n places during a measurement session The lines displayed on the page below depend on the Frequency bandwidth selected for this place Parameters E gt En Parameters 136 000 0 L HICAN 072
51. ning modes max average v Normal sweep in service instantaneous measurement Y MaxHold sweep in service storage of the maximum level for every frequency v Average sweep in service averaging of level for every frequency v Single single shot mode every press launches a new sweep mode v Fast sweep in service fast mode without level measurement with 350 points whatever the current Span is Measure automatic measures power C N v Level measurement of the signal s amplitude at the cursor v Delta measurement of the amplitude between the two cursors v Power automatic measurement of the digital carriers powers Y CN automatic measurement of C N Automatic Power measurement e Positioning of the reference level e Search for the noise before and after the cursor location e Calculation of the area between these two limits e Display of the value Automatic C N measurement e Positioning of reference level e Search for Maximum peak level e Search for noise level e Display of level difference These searches depend on the current Standard on the Spectrum e Analog standards maximum in Max mode AM noise level in Average mode average e Digital standards maximum in Average mode average noise level in Average mode average To get a coherent measure it is necessary that you had recalled a Setup on the Spectrum frequen cies Span and Standard are automatically positioned LNB Band
52. o which you extracted the drivers 5 Click on Next and Finish when the installation is completed A second driver is necessary to make the interface work Redo the procedure since step 1 To check that the installation is correct and see to which port the appliance is connected here is the procedure to be followed p 27 1853 7855 7856 e Go to your driver configuration panel gt System Es Gestionnaire de p riph riques Fichier Action Affichage NU 4 4 2 Cartes graphiques BB Cartes r seau 3 Claviers Contr leur de lecteur de disquettes Contr leurs ATAJATAPI IDE Contr leurs audio vid o et jeu Contr leurs de bus USB Lecteurs de CD ROM DYD ROM Se Lecteurs de disque Lecteurs de disquettes Moniteurs Ordinateur P riph riques syst me 3 Ports COM et LPT y Port de communication COM1 4 Port imprimante ECP LPT1 aF USB Serial Port COM3 MA Processeurs gt Souris et autres p riph riques de pointage Under Port COM et LPT find the USB Serial Port COMX peripheral that represents your ap pliance X represents its COM port number 3 in our case If the installation did not go well an exclamation mark appears on the USB lt gt Serial line or on the USB serial port COMX line and indicates a malfunctioning of the interface Es Gestionnaire de p riph riques Fichier Action Affichage Sm
53. otal charge 2 hours gives a 3 hour standby time with a 100 brightness when power supply is on picture MPEG2 the BATT orange indicator powers off when the charge is completed 4 3 External power supply The appliance can be powered by an external continuous voltage power supply The appliance works with a 15V voltage 5 amperes The charger block provided when purchasing the appliance also serves as an external power supply 4 4 Powering up the appliance Press the central key on the front panel the presentation screen appears on the displayer and the ON orange indicator light comes on The message Autotest in progress appears for a short instant and then disappears 4 5 Connecting the appliance to a PC The appliance has a USB interface that allows to connect it directly to a PC 4 5 1 Necessary configuration These drivers are compatible with the following operating systems Windows Vista TM Windows XP TM Windows Server 2003 TM Windows 2000 TM For any other operating system please contact SEFRAM technical support Your PC must also have a free USB port 4 5 2 Installing the drivers Download the required driver driverUSB_785X zip depending on your operating system on our website www sefram fr or on the TR7836 CD Unzip the archive in your chosen directory After unzipping the drivers connect the appliance to the PC by using a type A to mini B USB cable available as an
54. play Pressing twice the GPS key permits to display the coordinates on a graph p 57 1853 7855 7856 4 Status GPS Hivequ Puissance Fichier GPS ferme Menu keys Init resets the GPS display the centre becomes the current position Start opens the GPS file to start recording Stop closes the GPS file Record records a point position measure in the GPS file The graphical zone represents the display of the current coordinates from the original position initialized by a press on the Init key The current position is displayed by a YELLOW cross The other crosses representing the recorded points are displayed in colour RED for Level Measurement outside the thresholds of the current Standard GREEN for Level Measurement between the thresholds of the current Standard BLUE in Measurement Map as an associated measurement Caution Init does not close the current GPS file it only resets display in Timer or Distance acquisition mode the Record key is always active so you can force a record by pressing the key 11 3 Saving a file gt initialize the parameters described above gt enter a GPS file name you cannot add records to a previously created GPS file a warning message will be displayed gt wait for the GPS satellites search to be completed when a stable position is displayed you can start re cording gt close the GPS file when acquisition i
55. press a key Caution Exiting from the Recording mode initializes record 1853 7855 7856 11 GPS Mode Pressing the key gives access to the GPS function for 7856 only geographic coordinates latitude longitude Level or Map simultaneous measurement position graphical display record of measure and position in a file At the beginning the appliance searches for several satellites so that it can position itself correctly The GPS status zone displays the GPS coordinates provided by the embedded GPS module The Signal level or Measurement map zone displays the associated measure GFS Tupe de mesure Status GFS E Hiveau Puissance 11 1 Parameters The parameters of the GPS acquisition are displayed on this screen You need to initialize them before starting to record e Type of measure Type of measure recorded with the geographic position e Acquisition Acquisition mode to record a point in a file Manuel Timer Distance e Datum Selection of the Geodesic Datum corresponding to your country and to your GIS external soft ware You can change the Datum by using the sensitive key or by selecting a Datum from the list e Display scale Scale for the graphical display of GPS coordinates e Fichier GPS Name of the GPS file for recording positions and measures Extension is always GPS The records will be done only in the graphical GPS screen see next chapter 11 2 Graphical dis
56. rding to your country If you need to you can change the frequencies map by selecting frequencies map 3 The direction keys up down and left right permit to move in the parameters table The central key per mit to confirm cancel a parameter Direction keys Central key 4 When you have correctly informed the table press the Scan key to launch search 5 A warning message indicates that the current place will be crushed The current place will be replaced then E by the found setups Press Yes for the following mes sage 1853 7855 7856 Mode 6 The autoset is in progress Autoset in progress Caution this operation can take a few minutes Measurement map Setup 7 Once the search is completed the appliance automatically goes to the Measurement Map mode lt displays different measurements Level MER for the found setups The current place is now correctly informed with the found setups Level measurement This function permits to perform a level measurement on a setup 1 Press the key to access to the LEVEL measurement function 2 Select a setup number among the setups found before by using the sensitive wheel or by using the al phanumerical keyboard line Setup N Signal level 1 Setup The level is indicated on a bargraph A mini spectrum is also displayed on this page In terrestrial band for a user socket the level mus
57. rogrammed on Yes Switching Yes No in the Overwrite mode permits to display or not this curve in superposition 1853 7855 7856 1853 7855 7856 15 Measurement map To access to the MESAUREMENT MAP function press the FH key Automatic measurements for different setups and out of tolerance measurements Digital display Map Caution By using the index located above the menu keys you can follow the measurements in progress Please wait for the index to perform a complete scan before you start storing your measurements 15 1 Entering changing a setup number You can select the Setups to be scanned by entering the Setups numbers in the Measurement map The selected line is displayed on the reverse video and is highlighted in the box n of the Measurement map The name and number of Setup are displayed on the first line of the page Enter the Setups to scan in the list of setups or use directly the numerical keyboard You can move on the Measurement map by using the sensitive wheel or the direction keys The number of the page currently displayed is indicated at the bottom of the screen on the left n 10 Menu keys e Delete deletes the Setup of the selected box e List selection of a Setup from the list of Setups e Sort sorts the Setups of the Measurement map see below e Reset erases the whole map e init copies the setups of the place into the map 15 2 Automatic sorting
58. rs depend on the Standard selected The Setup Frequency Channel LNB Band and LNB Polarization parameters are the same as in the LEVEL MEASUREMENT screen see chapter Level power measurement The Frequency parameter also gives access to e A Scan and Scan function that searches for channels for the current standard e Functions linked to the Posit Positioner in Satellite band if there is a positioner e lt West moves the dish westwards e East gt moves the dish eastwards e Stop no move e Store saves the current position in the current position number e Calcul recalculation order of other positions by the positioner A long press on the lt West and East gt keys launches a continuous movement Press Stop to stop this action The other parameters depend on the type of digital standard DVB C MCNS DVB S DVB S2 DSS DVB T or NICAM Sync shows that the signal is missing or non locked check that the signal and the remote supply are not missing the modulation parameters and the LNB and DiSEqC parameters in satellite band p 75 1853 7855 7856 The lt sign precedes an error rate value if there is no error for example when the error rate is lower than 159 16 2 DVB C MCNS Display of the following measures e BER error rate before Reed Solomon e UNC error rate after Reed Solomon lost packets e MER modulation error rate BER bit error rate N
59. rts on a PC by using the TR7836 transfert software A pop up window is displayed over the current screen and shows a file name by default MEM xxx Menu keys e Name change of the file name alphanumerical data input 8 characters max e Dir list of the files already saved e Save saves e Recall recalls Two types of files are generated e TXT extension configuration and numerical measures file e DRW extension graphical measures file Types of files according to the screen currently displayed e PARAMETERS TXT e LEVEL MEASUREMENT digital display TXT e MEASUREMENT MAP digital display TXT e SPECTRUM whole screen TXT curve only DRW e BER MER digital display TXT e IMPULSE RESPONSE TXT e CONFIGURATION total configuration TXT p 69 7853 7855 7856 14 1 Save You can save directly a file by using the MEM xxx name number auto incrementation until 1000 or mo dify it After you input the file name press the menu key Save Caution Switching the appliance off may take a few seconds because information is saved on flash memory while shutting down the appliance 14 2 Recall You can recall directly a file by using its name or searching for it in the list of files through the Dir menu key The Dir menu key displays the list of files with the following characteristics e Files saved on the same page see types of files above e Files saved on the same Frequency
60. s completed The data saved in the file is file s name date and time measured setup s frequency standard thresholds and for each point date time latitude p 58 1853 7855 7856 longitude number of satellites that can be seen level for each Setup Caution if the GPS positioning is interrumpted too few satellites to calculate coordinates for example recording is suspended the file is still valid even if it has not been closed power cutoff for example the measurement time may be long an hourglass is displayed when a point is being recorded if the measurement time is higher than the programmed rhythm Timer mode the recording period will be given by the time that measuring took when the number of records reaches the maximum see Specifications the file is automatically closed 11 4 Transfert software XFER2000 You can download on your PC the GPS files recorded in your appliance with the XFER2000 software to EXCEL copy XFER2000 XLS in your current working directory open XFER2000 XLS with EXCEL software The XFER2000 macro software is automatically launched connect your appliance to your computer using the RS232 port configure the RS232 choose a file from the list of recorded files click on XFER A new EXCEL sheet is added after the existing sheets and is filled with the data saved in the selected GPS file Panel board XFER2000 AFERZO0
61. t lie between 50 and 66 dBuV in FM between 35 and 70 dBuV in COFDM and between 57 and 74 dBuV in any other case In satellite band for a user socket the level must lie between 47 and 77 dBuV 1853 7855 7856 Once the setup is selected in the LEVEL measurement page press the key A few seconds later the screen displays a TV picture If the screen is still black and the conditionnal acces message is indicated the channel is encrypted You can insert the subcription card if you have subcribed to this channel or change Service by pressing the Serv key or change setup number LEVEL Measurement or by pressing OSD Checksat 1 Go to the PARAMETERS page by pressing the key e Select the satellite frequency bandwidth 2 Connect the dish to the appliance 3 Confirm remote supply by pressing the key e Then press ON The VDC LED on the front panel flashes 4 To access to the Checksat mode press twice the SPECTRUM key The appliance has already a list of preselected satellites See user manual for more information 5 Select the satellite that you want to check by using the sensi tive rotary wheel p 14 1853 7855 7856 6 Slowly direct the dish until you can hear the locking melody and you get the best quality No transponder found red smiley Medium reception quality lt 50 orange smiley Good reception quality gt 50
62. ter Reed Solomon lost packets e MER modulation error rate XBER bit error rate Number of wrong bits number of transmitted bits ratio during Measuring time UNC packet error rate Number of wrong packets number of transmitted packets ratio during Measuring time Note a COFDM packet is made of 204 bytes a packet is wrong if it has more than 8 wrong bytes correction with Reed Slomon coding Parameter e Modulation Type of detected Modulation Automatically displays v the number of carriers 2K 8 K v the constellation QPSK 16QAM 64QAM v the guard rate 1 32 1 16 1 8 1 4 v the Viterbi rate 1 2 2 3 3 4 5 6 7 8 In case of hierarchical modulation use the HP and LP keys to select the stream to be measured The Info menu key modulation parameter gives access to the following additional information e offset in frequency e the HP stream s Viterbi rate DUB T BER P Programme n Fr quence S06 000 MHz e the LP stream s Viterbi rate Termal Standard cer e the hierarchical mode level ERE Code F Offset 20 ate HP p 23 ou LF p e the spectral inversion of the signal Spectral Inve Co Channel Ind gt 15 dB Long Echo Ind gt 30 dB e the presence and relative level of a co frequent CBER 6 5E ceri in 0000 analog channel e the presence and relative level of echos out of the guard rate e the cell identifier 16 6 NICAM Content of the detected NI
63. themes e Freq gives access to the following parameters Y Fmin frequency at the beginning of sweep Y Fmax frequency at the end of sweep v Fcenter central frequency v Span Frequency span around the central frequency v Full full span Positions automatically span at its maximum value v Setup recalls a setup You can fit Fmin and Fmax or Fcenter and Span according to your needs For modification use the sensitive wheel if the parameter is in reverse video e Level gives access to the following parameters v RefLevel reference level maximum value of the amplitude scale Y Att n input attenuator v dB div step of the amplitude scale 2 dB 5 dB or 10 dB v Auto automatic reference level For modification use the sensitive wheel if the parameter is in reverse video The input attenuator posi tions itself automatically according to the reference Level Pay attention to the risks of saturation use the following formula Input attenuator Reference level 50 dBuV e Cursor fast positionings of the cursor search for peaks v lt Peak on the peak preceding the cursor Y Peak gt on the peak following the cursor Y Min Max on the point on the screen alternately Maximum and Minimum Y gt R f positioning of a Reference cursor cross for Delta or C N measurement Y gt Fcent the cursor s frequency becomes the center frequency if possible p 38 1853 7855 7856 Mode functio
64. umber of wrong bits number of transmitted bits ratio during Measuring time UNC packet error rate Number of wrong packets number of transmitted packets ratio during Measuring time Note A QAM DVB C packet is made of 204 bytes a packet is wrong if it has more than 8 wrong bytes correction with Reed Solomon coding 16 3 DVB S DSS Display of the following measures e CBER error rate before Viterbi e VBER error rate after Viterbi e UNC error rate after Reed Solomon lost packets e MER modulation error rate XBER bit error rate Number of wrong bits number of transmitted bits ratio during Measuring time UNC packet error rate Number of wrong packets number of transmitted packets ratio during Measuring time Note QPSK DVB S packet is made of 204 bytes a packet is wrong if it has more than 8 wrong bytes correction with Reed Solomon coding 16 4 DVB S2 Display of the following measures e LDPC error rate before LDPC e BCH error rate after LDPC e PER error rate after BCH lost packets e MER modulation error rate Note LDPC low density parity check BCH Bose Chauhuri Houquenohem 1853 7855 7856 The Viterbi Reed Solomon concatenation of the correction of the DVB S is replaced in DVB S2 by the LDPC and BCH concatenation 16 5 DVB T COFDM Display of the following measures e CBER error rate before Viterbi e VBER error rate after Viterbi e UNC error rate af
65. w as possible direct correctly your antenna or use amore directive antenna You can change the zoom and the unit used for display by using the menu keys e Zoom Zoom1 analysis full or partial range e Unite unit selection us kilometre or mile 1853 7855 7856 1853 7855 7856 18 Messages The appliance displays messages while it is working 18 1 Warning messages BATTERY DISCHARGED The battery is discharged the appliance will automatically go off in a few minutes REMOTE SUPPLY FAULT Remote supply fault a voltage is already on the cable or current is already exceeding the maximum value Parameters Frequency Band ee Confirmation request for important action 18 2 Error messages Signal level 1 CRECH UHF Standard Pressing a function key that is not available in the appliance p 83 1853 7855 7856 Signal level 1 CRECH UHF gt Standard The appliance tries to perform a level measurement out of these possibilities for example an Audio measurement with a 865 MHZ video carrier Configuration 1 CRECH UHF MEMORTES Impossible to Save Recall here Signal level 1 CRECH UHF gt Audic 2 press on the level key The appliance tries to perform an error rate measurement with a Standard diffe rent from DVB C MCNS DVB S DSS DVB S2 DVB T or NICAM p 84 1853 7855 7856 18 3 Failure messages PROTECTION
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