SEFRAM 7849B User Manual
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SEFRAM 7849B User Manual

Field strength meter, ter/sat/optical, cable
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This product contains one or more programs protected under international and US copyright laws as un-
published works. They are confidential and proprietary to Dolby laboratories. Their reproduction or disclo-
sure, in whole or in part, or the production of derivative works there from without the express permission of
Dolby Laboratories is prohibited. Copyright 2003-2005 by Dolby Laboratories. All rights reserved.
7849B – 7859B – 7817B
7849B
7859B
7817B
FIELD STRENGTH METER
USER MANUAL
TER/SAT
TER/SAT/OPTICAL
CABLE

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Summary of Contents for SEFRAM 7849B

  • Page 1 7849B – 7859B – 7817B 7849B TER/SAT 7859B TER/SAT/OPTICAL 7817B CABLE FIELD STRENGTH METER USER MANUAL This product contains one or more programs protected under international and US copyright laws as un- published works. They are confidential and proprietary to Dolby laboratories. Their reproduction or disclo- sure, in whole or in part, or the production of derivative works there from without the express permission of Dolby Laboratories is prohibited.
  • Page 2 7849B – 7859B – 7817B Revision follow-up Version / Date Modified chapters Nature of modification 1.0 / January 2020 Creation of the document...
  • Page 3 7849B – 7859B – 7817B Thank you for purchasing this SEFRAM product and therefore trusting our company. Our different teams (research department, production, sales department, after-sales service…) are aiming at satisfying your wishes by designing and updating very advanced appliances.
  • Page 4 It shall subscribe, at its own expenses, any insurance required for the transport. The SEFRAM company reserves the right to refuse any product wrongly conditioned and not to take in charge any break con- secutive to the transport.
  • Page 5 March 1, 2015: Spare parts are not available to the consumer. SEFRAM offers the supply of spare parts during repair by its service. Consumable parts are provided according to the legislation applicable to them (case of batteries).

  • Page 6: Table Of Contents

    7849B – 7859B – 7817B TABLE OF CONTENTS Important information ......................9 Particular precautions ............................. 9 Security instructions ............................9 Symbols and definitions ..........................9 Presentation ........................11 General ................................. 11 Description of the appliance ......................... 12 Power-up ..........................13 Battery ................................
  • Page 7 7849B – 7859B – 7817B 10 AUTOSET mode ......................... 45 10.1 Terrestrial mode ............................46 10.2 Satellite mode ............................46 10.3 Cable Mode .............................. 46 10.4 «START » menu key ..........................47 11 Measures ..........................48 11.1 Modification of parameters ........................49 11.2...
  • Page 8 7849B – 7859B – 7817B 18 Optical measurement 7859B ..................... 78 18.1 Presentation of the optic measurement ....................78 18.2 What you need to know ..........................79 18.2.1 The optical fiber ............................. 79 18.2.2 Connectors ............................80 18.3 Optical power measurement ........................81 18.4...

  • Page 9: Important Information

     In case of failure or for the maintenance of the appliance, only a qualified personal shall be entitled to work on it. In such a case, it is required to use Sefram spare parts.  Do not open the appliance: risk of electric shock.
  • Page 10 7849B – 7859B – 7817B Symbols on the appliance: Attention: Refer to the manual. Shows a risk of damage for the material connected to the in- strument or to the instrument itself. Ground: Grounded accessible parts. Product for recycling.

  • Page 11: Presentation

    2 Presentation General The field strength meters 7849B-7859B-7817B are appliance designed for the installation and maintenance of any broadcasting and reception installations of analogical and digital terrestrial television channels, satel- lites or cable networks, for RF or optical modulated signals.

  • Page 12: Description Of The Appliance

    7849B – 7859B – 7817B Description of the appliance 7’’ capacitive touchscreen Fas- high resolu- tening for tion straps RF input socket Remote supply light ON/OFF switch Ethernet socket USB A socket A/V input socket Charging indicator light External power socket...

  • Page 13: Power-Up

    In order not to damage your screen, do not use a stylus or object. Battery Attention: Any intervention on the battery requires the disassembly of the appliance and should be made by a SEFRAM technician. Use only batteries provided by SEFRAM. Security advice: ...

  • Page 14: External Power Supply

    7849B – 7859B – 7817B  Connect the power supply on the mains  The internal charger starts loading the battery; the green lamp lights up. Charge the device only when the device is off. Charge the device only with the provided power supply block.

  • Page 15: Quick Start-Up

    7849B – 7859B – 7817B 4 Quick start-up Installing a TERRESTRIAL antenna You have two methods to install a terrestrial antenna :  using the POINTING function  using the SPECTRUM function 4.1.1 Use of the POINTING function The appliance gets an “Antenna pointing” mode in order to align quickly and easily your terrestrial antenna.
  • Page 16 7849B – 7859B – 7817B  The key validates your transmitter by displaying the TV channels of each channel : The 4 frequencies or channels of the transmitter you are trying to point are changeable depending on your loca- tion :...

  • Page 17: Use Of The Spectrum Function

    7849B – 7859B – 7817B 4.1.2 Use of the SPECTRUM function Turn your appliance on. Press the Measures key Press the Spectrum function  Access to full SPAN mode  Choose a known CHANNEL :  Adjust slowly the antenna to get the most powerful signal possible...
  • Page 18 7849B – 7859B – 7817B  Press the NIT key , the device find automatically all the parameters of the signal. Once the search ended, the device display the “Network Name” and the “Network ID”. You can now do all the measurements, level, BER/MER and access the TV display :...

  • Page 19: Installing A Satellite Dish

    7849B – 7859B – 7817B Installing a SATELLITE dish You have two methods to install a satellite dish :  using the POINTING function  using the SPECTRUM function 4.2.1 Use of the POINTING function The appliance gets an “Dish pointing” mode in order to align quickly and easily your satellite dish. To access to the “Check Sat”...
  • Page 20 7849B – 7859B – 7817B Reminder: a satellite antenna must be powered by direct current: remote power supply To access to the Remote power supply page, press Check for tension and current consumed by your dish’s LNB :  To check if the aimed satellite is the right one : press the NIT key...
  • Page 21 7849B – 7859B – 7817B The 4 frequencies or transponders of the satellite you are trying to point are editable : Attention: To identify a satellite, you must be locked on all 4 transponders. (Quality > 0) However, some transponders are regularly modified. See the frequency range of the sat- ellite when a transponder does not seem to work.

  • Page 22: Use Of The Spectrum Function

    7849B – 7859B – 7817B 4.2.2 Use of the SPECTRUM function Turn your appliance on. Press the Measures key Press the Spectrum function  Access to full SPAN mode   Choose a known TRANSPONDER :  Adjust slowly the dish to get the most powerful signal possible...
  • Page 23 7849B – 7859B – 7817B Reminder: a satellite antenna must be powered by direct current: remote power supply To access to the Remote power supply page, press Check for tension and current consumed by your dish’s LNB :...
  • Page 24 7849B – 7859B – 7817B  Then press the button . The device automatically searches for signal settings. Once the search is complete, the device displays the "Network Name" and the "Network id" You can now do all the measurements, level, BER/MER and access the TV display :...

  • Page 25: Verifying An Installation

    7849B – 7859B – 7817B Verifying an installation The device allows you to check an existing RF signal distribution installation, whether on terrestrial, satellite, by coaxial cable or optical fiber. An AUTOSET function automatically detects all distributed channels, and scans them one after the other through the MEASUREMENT MAP function.

  • Page 26: Man-Machine Interface

    7849B – 7859B – 7817B 5 Man-machine interface Content of the screen The appliance has a capacitive touchscreen. No glove should be used. If you don’t want to damage your screen, do not use any stylus or object. You can recognize the« keys » by their dark grey frame, example the Home key:...
  • Page 27 7849B – 7859B – 7817B To navigate through a table inside a page or a window, a vertical slide appears with arrows to move up and down the table. To move faster, you can slide a cursor with your fingers.

  • Page 28: Lists Of Measurements And Setup Library

    7849B – 7859B – 7817B Lists of measurements and setup library In order to make easier the recall of data on field, the appliance uses 20 Measurement Lists of each 50 lines and 1000 setups from a Library. A setup corresponds to a terrestrial, cable or satellite emission.
  • Page 29 7849B – 7859B – 7817B A list of measurements is made of:  a list name in 10 characters  the lowest frequency of the LNB (OL1)  the highest frequency of the LNB (OL2)  the selection mode low band / high band of the LNB ...

  • Page 30: Measurement Lists

    7849B – 7859B – 7817B 6 Measurement lists The list page In this page, you can select the list where you will work on measurements. Pressing Home then Lists-Library gives you access to the Lists function: Lists are ranked from 0 to 19. To select the one you want, press the following key. Lists are displayed. Press the one you want: In this example, we selected ST ETIENNE.

  • Page 31: Modification Of A List

    To change the name of the list of ST ETIENNE, you must push on its name, then on the symbol of the key- pad. A virtual keypad shows up. Type the new name (SEFRAM in our example). To add a setup to the list, select the line. A window shows up: Attention: If the line contains a setup, it shall be erased.
  • Page 32 7849B – 7859B – 7817B Scroll the list up or down to find the setup you want to add to your list. Press the line you want: The setup is now in the list: You may erase the setup from the list by pressing the check to the left of the setup or to the setups you have to delete.
  • Page 33 7849B – 7859B – 7817B You can also delete the totality of a list by pressing directly on the basket then by selecting In a satellite setup, you can change the switch, the Uncommitted Port and the DCSS by activating any of...

  • Page 34: Setup Library

    7849B – 7859B – 7817B 7 Setup library The library page By pressing Home then Lists-Library , you can access the Lists function. From there, you can access the Library by pressing the key Creation or modification of setups in the library To create or change a setup in the library, you have to select a line in the table.
  • Page 35 7849B – 7859B – 7817B You may erase the setup from the list by pressing the check to the left of the setup or to the setups you have to delete. Then click the basket and select the deletion of the selected setup: From this window, you can create a terrestrial, satellite KU, L or C setup.
  • Page 36 7849B – 7859B – 7817B  Satellite Setup : To enter the type of polarity you want for the setup (high or low, vertical or horizontal) To enter the symbol rate you want for the setup...

  • Page 37: Check Sat

    7849B – 7859B – 7817B 8 Check Sat Press to access the Check Sat mode. Functioning Name and position of the satellite Global quality indi- cation Frequency, polarization, band, level and quality The appliance has 32 possible orbital positions for satellites. It is provided with near of 10 satellites regis- tered.

  • Page 38: Updating Satellites

    You can update frequencies of the checks sat : manually on your device by importing the configuration posted on the SEFRAM website : https://www.sefram.com/downloads/maj_soft/fr/Sat.csv All you have to do is to copy this file on a USB stick and go to "Configuration" and then "Import"...

  • Page 39: Checking The Aligned Satellite

    7849B – 7859B – 7817B If the appliance is not synchronized on all four transponders, the quality indication is red. If the appliance is synchronized on all four transponders but the reception quality is aver- age, the quality indication is orange.

  • Page 40: Double Check Sat

    7849B – 7859B – 7817B Attention: The displayed name depends on the content of the MPEG NIT table. Some distributors provide no (or poor) such table. The displayed information may be wrong. Double Check Sat This mode allows you to orientate a double LNB by checking 4 transponders on 2 selected satellites.

  • Page 41: Recall

    7849B – 7859B – 7817B 8.5.1 Recall Azimut Position of the satellite dish on the horizontal plane with reference to the north. Measured in degrees. Elevation Tilt angle under which the beam from the satellite reaches your antenna. Measured in degrees using what is specified on the stand of the satellite dish.

  • Page 42: Terrestrial Check

    7849B – 7859B – 7817B 9 TERRESTRIAL check To access to the menu terrestrial check from Home page, press Functioning Transmitter name Global quality indicator Frequency, channel, standard, level and quality The device has a list of 10 possible transmitters.

  • Page 43: Transmitter Update

    7849B – 7859B – 7817B Transmitter update You can update the frequencies/names of transmitters : manually on your device by importing the configuration from the TER file. Csv All you have to do is to copy this file on a USB stick and go to « Configuration » then « Import »...

  • Page 44: Vérification De L'émetteur Pointé

    7849B – 7859B – 7817B If the device is not synchronized across all four channels, the quality indicator is red. If the device is synchronized across four channels and the reception quality is average, it is orange. If the device is synchronized across four channels and the reception quality is good, it is green.

  • Page 45: Autoset Mode

    7849B – 7859B – 7817B 10 AUTOSET mode This mode allows an automatic research of setups and to provide information about the current place. You can access it through the key on page Home. Attention: The Autoset channel research is only possible when at least one list is empty with enough place in the library The displayed lines on this page depend on the selected Frequency band.

  • Page 46: Terrestrial Mode

    7849B – 7859B – 7817B Once the mode selected, the keys of the various parameters activate or deactivate each option. A green check shows that the parameter is included in the research. If there is no green check, the param- eter will not be taken into account for the research.

  • Page 47: Start " Menu Key

    7849B – 7859B – 7817B 10.4 «START » menu key No matter which mode is selected, press the “START” key to launch the research. Pressing “Stop” will abort the research. When the research is done or if the user aborted it, the appliance turns automatically to the Measure- ment map function.

  • Page 48: Measures

    7849B – 7859B – 7817B 11 Measures Pressing the MEASURE zone gives access to the MEASURES function. In this page, you can either perform measurements : - by inputting signal parameters - on a memorized program in the current list (see chapter « Measurement list ») - use the “...

  • Page 49: Modification Of Parameters

    7849B – 7859B – 7817B 11.1 Modification of parameters The various parameters are:  The name of the setup (selection on the active list)  The frequency of the emitter or transponder (and the true frequency of satellite)  The standard and bandwidth for DVB-T/H and DVB-T2 ...

  • Page 50: Autolock Function

    7849B – 7859B – 7817B 11.3 Autolock function This function is design to lock on a digital signal (terrestrial, cable or satellite) You just have to enter the frequency or the channel (for terrestrial), then press AutoLock, The instrument will find automatically in few seconds the digital standard, the modulation type and all other parameters of the signal.

  • Page 51: Satellite Band

    7849B – 7859B – 7817B The appliance makes different measurements according to the current standard. The other possible measurements are:  Average measurement  Peak measurement  Power measurement. 11.4.1 Satellite band The following table sums up the measurement types and the frequencies of the audio carrier waves for each...

  • Page 52: Thresholds

    7849B – 7859B – 7817B 11.4.3 Thresholds Predefined thresholds are used to assess if the measurement is pertinent. Standard Terrestrial analog TV DVB-C/C2 DVB-T/T2 DAB-DAB+ FM, Carrier Satellite analog TV DVB-S, DSS DVB-S2 min threshold max threshold 11.5 Digital measurements...
  • Page 53 7849B – 7859B – 7817B You can shift from terrestrial to satellite mode by: - Changing the setup frequency - Changing of standard - Changing of setup (from a terrestrial to a satellite setup)

  • Page 54: Dvb-T

    7849B – 7859B – 7817B 11.6 DVB-T REED DECODAGE VITERBI DEMODULATEUR TUNER SOLOMON MPEG BERi BERo Display of the measures of:  BERi: error rate before Viterbi  BERo: error rate after Viterbi  PER: error rate after Reed Solomon (error rate packet) ...

  • Page 55: Dvb-T2 /T2 Lite

    7849B – 7859B – 7817B 11.7 DVB-T2 /T2 Lite DECODAGE DEMODULATEUR LDPC TUNER MPEG BERo BERi Display of the measures of:  BERi: error rate before LDPC  BERo: error rate after LDPC  PER: error rate after BCH (lost packets) ...

  • Page 56: Dvb-C

    7849B – 7859B – 7817B 11.8 DVB-C REED DECODAGE DEMODULATEUR TUNER SOLOMON MPEG BERo Display of the measures of:  BERo: error rate before Reed Solomon  PER: error rate after Reed Solomon (error rate packet)  MER: modulation error rate ...

  • Page 57: Dvb-C2

    7849B – 7859B – 7817B 11.9 DVB-C2 DECODAGE DEMODULATEUR LDPC TUNER MPEG BERo BERi Display of the measures of:  BERi: error rate before LDPC  BERo: error rate after LDPC  PER: error rate after BCH (lost packets) ...

  • Page 58: Dvb-S / Dss

    7849B – 7859B – 7817B 11.10 DVB-S / DSS REED DECODAGE VITERBI DEMODULATEUR TUNER SOLOMON MPEG BERi BERo Display of the measures of:  BERi : error rate before Viterbi  BERo : error rate after Viterbi  PER : error rate after Reed Solomon (error rate paquet) ...

  • Page 59: Dvb-S2 / S2X

    7849B – 7859B – 7817B 11.11 DVB-S2 / S2X DECODAGE DEMODULATEUR LDPC TUNER MPEG BERo BERi Display of the measures of:  BERi : error rate before LDPC  BERo : error rate after LDPC  PER : error rate after BCH (lost packets) ...

  • Page 60: Multistream

    7849B – 7859B – 7817B 11.12 Multistream The 'Multistream' option allows you to view a DVB-S2 signal that uses Multiple Transport Stream technology (several multiplexes are transported on the same transponder simultaneously). Eutelsat 5 West A 5°W Example: broadcasting of the two multiplexes of the TNT on...

  • Page 61: Spectrum Analyzer

    7849B – 7859B – 7817B 12 Spectrum analyzer Pressing SPECTRUM gives access to the SPECTRUM ANALYSER function. (graphical representation frequency / amplitude of the present signals in the input of the device) Satellite Terrestrial 2 predefined bandwidths are available: terrestrial and satellite.

  • Page 62: Image And Sound

    7849B – 7859B – 7817B 13 Image and Sound Pressing the TV zone gives access to the TV function. 13.1 Digital TV The name of the service and its main characteristics are displayed on top left of the screen. ...

  • Page 63: External Analog Video

    7849B – 7859B – 7817B 13.2 External analog video The button allows you to switch to analog external video You can view the analog image PAL, SECAM or NTSC of the analog outputs of set-top boxes, cameras, video doormen ...

  • Page 64: Table Of Services

    7849B – 7859B – 7817B 13.4 Table of services Pressing gives access to the list of services: This function allows selecting the channel you want to display. You only have to press the line you want.

  • Page 65: Remote Power Supply / Lnb - Diseqc

    7849B – 7859B – 7817B 14 Remote power supply / LNB – DiSEqC key gives you access to the Remote power supply / LNB-DiSEqC. In Terrestrial, for example, you can power a line amplifier on your installation. In Satellite, you can control all the DiSEqc equipment present on your installation.

  • Page 66: Satellite Band

    7849B – 7859B – 7817B 14.2 Satellite band 14.2.1 Power ON Setting the remote power supply to satellite: OFF to turn off the remote power supply under satellite measure ON to turn on the remote power supply under satel- lite measure...

  • Page 67: Lnb Type

    7849B – 7859B – 7817B 14.2.2 LNB type You must choose the type of LNB (parable Low Noise Block head) present on your installation.  L band : no LNB head BIS frequencies (satellite intermediate frequencies) from 200 to 2400MHz no local oscillator frequency (OL) ...

  • Page 68: Switches

    7849B – 7859B – 7817B 14.2.3 Switches 2-satellite switch 4-satellite switch * 22 kHz * DiSEqC Committed or Uncommitted * ToneBurst (MiniDiSEqC) *DiSEqC Committed or Uncommitted Uncommitted 16-satellites switch * DiSEqC Committed + Uncommitted...

  • Page 69: Motorized Satellite Dish Control

    7849B – 7859B – 7817B Switch line Uncommitted line Satellite Position Commande DiSEqC Position Commande DiSEqC Pos A Option A + Position A Pos 1 Input 1 Pos B Option A + Position B Pos 1 Input 1 Pos C...

  • Page 70: Dcss

    7849B – 7859B – 7817B 14.2.5 DCSS Description: DCSS Digital Channel Stacking system: signal distribution system using frequency transposition. Used in satellite distribution for multiple or single dwelling, with several set top boxes. To give several receptors access to the whole spectrum and all polarizations, you need one coaxial cable per receptor and a suitable installation (multiple LNB, Quattro and multi-switches).

  • Page 71: Satcr (En50494)

    7849B – 7859B – 7817B 2 Modes : SATCR : Satellite Channel Router, standard EN50494 (or SCD, Unicable, …) Distribution of the satellite signal with only one coaxial cable to 2, 4 or 8 different receptors. SCD2 : Single Cable Distribution v2, standard EN50607 (or SCD2, Unicable II, JESS) Distribution of the satellite signal with only one coaxial cable to a maximum of 32 different receptors.

  • Page 72: Scd2 (En50607)

    7849B – 7859B – 7817B 14.2.7 SCD2 (EN50607)  SLOT x: active Slot choice  CONFIG: access to each slot configuration Slots list, frequencies, PIN codes, bandwidth  INITIALISATIONS : 32 predefined slots  ALLOCATION : states of the 32 possible slots ...

  • Page 73: Constellation

    7849B – 7859B – 7817B 15 Constellation key gives you access to the CONSTELLATION function. These measures are available if one of these standards is running in the LEVEL MEASUREMENT page.  DVB-T/T2  DVB-C/C2  DVB-S/S2, DSS The appliance displays the Constellation of the current signal.

  • Page 74: Multipath / Guard Interval

    7849B – 7859B – 7817B 16 Multipath / Guard interval Available only for DVBT/T2 or DVB-C2 standards. Pressing allows you to access to Multipath / Guard interval measurement. Signal without echo Signal with echoes and pre- echoes Pressing changes the horizontal scale (distance).
  • Page 75 7849B – 7859B – 7817B The broadcasting norms DVB-T and DVB-T2 define a modulation parameter called "guard interval" where echoes won't disturb the reception. The transmission of digital data (Symbol) is interrupted during the guard interval. A delayed (or advanced) symbol of any shorter duration than the guard interval will not disturb the reception.

  • Page 76: Measurement Map

    7849B – 7859B – 7817B 17 Measurement map To access the MEASUREMENT MAP function, press Home then Measurement map: It is an automatic level and error rate measurement of the setups in the measurement list with labeling of the levels beyond tolerance.

  • Page 77: Out Of Tolerance Values

    7849B – 7859B – 7817B Important: A bargraph above the Measurement map allows you to track the evolution of the scan. The background color of this bargraph shows you that a complete scan has been made (for a save, for example):...

  • Page 78: Optical Measurement 7859B

    7849B – 7859B – 7817B 18 Optical measurement 7859B The 7859B model has an optical fiber input dedicated to installations that use optical fiber to distribute the RF signal (RF over Fiber). 18.1 Presentation of the optic measurement The Optic function allows measurements in various kind of installations :...

  • Page 79: What You Need To Know

    7849B – 7859B – 7817B From the home page: 18.2 What you need to know A few notions are required before considering the use of optical fibers. 18.2.1 The optical fiber Optical fibers are sometimes used for satellite reception. This technology enables makes it possible to transmit a signal further with less loss and with a larger bandwidth.

  • Page 80: Connectors

    7849B – 7859B – 7817B 18.2.2 Connectors Like for RF, connectors are very important and their selection has consequences on the quality of the re- ceived signal. With optical fibers, there are several kinds of connectors according to the type of fiber (single-mode or mul- timode) and to the selected connection.

  • Page 81: Optical Power Measurement

    7849B – 7859B – 7817B 18.3 Optical power measurement To access the Measurement of Optical Power, press the key “Optical power measurement”. Warning: The appliance can measure only one wavelength at a time. If there are several wave- lengths, measurements will be wrong.

  • Page 82: The Satellite Reception Via Optical Fiber

    7849B – 7859B – 7817B 18.4 The satellite reception via optical fiber With optical fibers, the satellite emission is the same as in standard reception mode, but at the output of the head, instead of 4 bands (HH HL VH VL), there are only 2 bands (vertical and horizontal) in optical signal mode (the optical head is powered by an independent external power supply).

  • Page 83: Fiber Reception After Coupler

    7849B – 7859B – 7817B 18.5 Fiber reception after coupler The optical option makes it possible to make measurements after terrestrial coupler / sat at the output of the fiber. Warning: The appliance can measure only one wavelength at a time. If there are several wavelengths, measurements will be wrong.

  • Page 84: Configuration

    7849B – 7859B – 7817B 19 Configuration For configuration, go to the Home page, then Configuration 19.1 Language You can select your language by pressing the « flag » (below). Press the flag corresponding to your language: 19.2 Measurement unit This key allows you to select the measurement unit of the appliance: ...

  • Page 85: Frequency Map

    7849B – 7859B – 7817B 19.3 Frequency map This key allows you to select the terrestrial frequency map of the appliance: 19.4 Memories To save a picture or any other feature, see chapter Save The number of saved file and their memory size are displayed.

  • Page 86: View

    7849B – 7859B – 7817B By pressing a line of the table, you open a window: 19.4.1 View This key allows the display of the content of the file: info : device, file name...

  • Page 87: Save

    7849B – 7859B – 7817B 19.4.2 Save Save (BMP -> USB) allows you to export the file to the USB stick under BMP format (non-compressed graph); it is useful to transfer graphs to a report in a PC computer. Here is the BMP file of the previously displayed DVB-T/H channel, edited on PC to have the spectrum full screen.

  • Page 88: Update

    7849B – 7859B – 7817B - Save all (BMP -> USB) records all files from the appliance under BMP format into separated registers:  LEVEL for the level measurements  MAP for the measurement maps  SPECTRUM for the spectrum measurements ...

  • Page 89: Configuration Import/Export

    You can make a backup on a USB stick of your setups/lists of your appliance by pushing « « Configuration Export ». And you can import from a USB stick this configuration with the touch “Configuration import”. You can also update checksat/antenna pointing configuration available on SEFRAM’s website: http://www.sefram.com/Maj_soft/Sat.csv...

  • Page 90: Software Update

    To achieve the update: - Download the update file 784X_VX.X fichier zip on our website (www.sefram.com) - Insert a USB stick on your PC - Unzip the file onto the root of the memory stick...

  • Page 91: Save

    7849B – 7859B – 7817B 21 Save Pressing opens a window (here, on the Measurement page): In this window, you can save the current measurement parameters from the active list, make a screen shot to a USB stick under BMP format or make a save into internal memory.

  • Page 92: Connection Of The Appliance To A Pc

    7849B – 7859B – 7817B 22 Connection of the appliance to a PC The appliance has an ETHERNET interface that makes it possible to connect directly to a PC. For this type of connection, no driver is necessary. Connect your appliance to your PC by using a crossed ETHERNET cable (available in option with the num- ber 298504246 asking SEFRAM).
  • Page 93 7849B – 7859B – 7817B Attention: If the PC has already been connected to Ethernet (network, modem…), it is necessary to reboot the PC before connecting your appliance. For the Ethernet connection of your appliance to a computer network, see the following scheme:...

  • Page 94: Displayed Messages

    7849B – 7859B – 7817B 23 Displayed messages The appliance may display messages while working. 23.1 Alert messages Low battery: the appliance is about to shut off in a few minutes. Confirmation request for an important action. Remote power supply issue: voltage already present or maximum current exceeded.

  • Page 95: Error Messages

    A message may show up at the bottom of the screen immediately after updating the software. Do not take care of as far as it does not show up at a second start-up. Else, or for any other problem, contact the SEFRAM technical support:  e-mail : support@sefram.com...

  • Page 96: Maintenance

    At each use, check the state and cleanliness of the patchcord patchcord This "advice" does not engage the responsibility of SEFRAM. It guarantees the best possible use of the characteristics and the preservation of the product. Routine maintenance: The basic maintenance is simply cleaning the outside of the appliance. Any other operation requires a trained personal.
  • Page 97 100% good functioning pixels in the display zone. They specify a number of possible de- fective pixels at the surface of the screen. The SEFRAM quality service has preconditioned the mounting of the screen on your instrument to the re- spect of the acceptance conditions of the manufacturers.

  • Page 98: Technical Specifications

    7849B – 7859B – 7817B 25 Technical specifications 25.1 Selection guide 7849B 7859B 7817B Frequencies 5-2400MHz 5-2400MHz 5-1005MHz    DVB-T/T2/T2 Lite    DVB-C/C2   DVB-S/S2, DSS, Multistream DVB-S2X    MPEG2/4, SD/HD  ...

  • Page 99: Technical Specifications

    7849B – 7859B – 7817B 25.2 Technical specifications Technical specifications Terrestrial band Satellite band Frequencies Range 5-1005 MHz 200-2400 MHz Resolution measurement 50 kHz, display 1 kHz measurement 1MHz, display 1MHz Level measurements Dynamic range 20-120 dBµV 20-120 dBµV Units dBµV, dBmV, dBm...

  • Page 100: Digital Measurements

    7849B – 7859B – 7817B 25.3 Digital measurements DVB-T CBER (before Viterbi BERi) VBER (after Viterbi BERo) Bit Error Rate (BER) UNC (lost packets PER) Noise margin Modulation Error Rate(MER) 15 - 35dB Sensitivity < 35dBµV Bandwidth 6MHz, 7 MHz, 8 MHz...
  • Page 101 7849B – 7859B – 7817B DVB-C J83A BER (before Reed Solomon BERo) Bit Error Rate (BER) UNC (lost packets PER) Noise margin Modulation Error Rate(MER) 20 - 40dB Sensitivity < 55dBµV Symbol Rate 1 to 7.224 Ms/s Constellation 16 / 32 / 64 / 128 / 256 QAM...
  • Page 102 7849B – 7859B – 7817B DVB-S, DSS CBER (before Viterbi BERi) VBER (after Viterbi BERo) Bit Error Rate (BER) UNC (lost packets PER) Link margin Modulation Error Rate(MER) 0 - 20dB Sensitivity < 47dBµV Symbole rate 1 to 50Ms/s Constellation...

  • Page 103: Optical Measurements (7859B)

    7849B – 7859B – 7817B 25.4 Optical measurements (7859B) Optical fiber input Wavelengths 1310nm, 1490nm, 1550nm Connector FC/APC Optical power measurement Measurement dynamic -50.0dBm to +10dBm Accuracy +/- 0.5dB Optical to RF converter Conversion dynamics -12dBm to -3dBm Input optical bandwidth...

  • Page 104: Divers

    7849B – 7859B – 7817B 25.5 Divers Remote supply Terrestrial Satellite 5V/13V/18 V/24V 13/18 V Voltage 500 mA max (300mA for 24V) 500 mA max DiSEqC 2.1 control of dish motor DiSEqC switches committed & uncommitted bi-directionnal Mini DiSEqC (22kHz)

  • Page 105: General Specifications

    7849B – 7859B – 7817B 25.6 General specifications LCD TFT 7 inch color 16/9, luminosity backlight 500 cd/m², 800x480 dots Display Touch capacitive External supply Main adaptator 110/230 VAC, with 5,5mm jack, 15 V 1 A Battery Batterie Li-ion 33W...

  • Page 106: Dbµv, Dbmv Et Dbm Conversion

    7849B – 7859B – 7817B 25.8 dBµV, dBmV et dBm conversion  dBμV is a logarithmic ratio between a measured voltage Ud and a reference voltage Ur. The reference voltage is Ur = 1 μV N = 20 log (Ud/Ur) ...

  • Page 107: Terminology

    7849B – 7859B – 7817B 26 Terminology K : The number of carrier waves of the DTT channel The 8K mode (6817 carrier waves in the channel, including 6048 carrying useful data) The 2K mode (1705 carrier waves in the channel, including 1512 carrying useful data)
  • Page 108 7849B – 7859B – 7817B : Control mean for the quality of the signal by a group of points making spots on the ONSTELLATION screen of the field meter. The more circular and distinct the spots of the constellation, the better the quality of the signal.
  • Page 109 7849B – 7859B – 7817B usually use some multiples of this unit: kilohertz (kHz), megahertz (MHz), gigahertz (GHz). ex.: At Saint Etienne (Guizay), the TF1 frequency is 583.25 MHz P/LP: high/low priority  possibility to transmit 2 multiplexes under the same channel in digit format ( ex.: in COFDM, we have a very robust high priority flow in QPSK;...
  • Page 110 The MPEG 2 option on the SEFRAM field meters allows you to view and control TV programs (coded under MPEG) directly on the meters.
  • Page 111 7849B – 7859B – 7817B LP : (Physical Layer Pipe) from 1 to 256 channels are available in DVB-T2 to transport inde- pendent multiplexes. OLARIZATION: Polarization of a signal from the satellite. It can be either: linearly polarized, horizontally or vertically:...
  • Page 112 : Decryption systems used in Europe by many operators (TPS, Canal IACCESS EDIAGUARD Satellite…). With the Viaccess and Mediaguard options in a SEFRAM field meter and your subscription card, you will be able to view encrypted programs on the meter. : An algorithm used to correct errors in digital transmissions...

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