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Sofratec EB2000 User Manual

87.5 ÷ 108 mhz fm 2000w transmitter
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EB 2000 USER AND MAINTENANCE MANUAL
87.5 ÷ 108 MHz FM 2000W TRANSMITTER
USER AND MAINTENANCE MANUAL
SOFRATEC BROADCAST EQUIPMENT
WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71
EB2000
Rev. 2.0 - 06/03
PAGE 1

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  • Page 1 EB2000 87.5 ÷ 108 MHz FM 2000W TRANSMITTER USER AND MAINTENANCE MANUAL SOFRATEC BROADCAST EQUIPMENT Rev. 2.0 - 06/03 PAGE 1 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 2: Table Of Contents

    ASRFB2K0RF, 2KW amplifier assembly (E1018) SRFB2K0LP, 2KW low pass filter (E1017) SRFB500W, 500Wamplifier module SRFB1K5ALM, 48V/70A SMPS regulator module SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 2...

  • Page 3: Introduction

    COVERS CLOSED TO PREVENT ELECTRICAL HAZARDS AND COMPLY WITH EMC STANDARDS. ——— MAINS VOLTAGE MAY KILL ——— SOFRATEC BROADCAST EQUIPMENT PAGE 3 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 4: General Description

    The temperature alarm circuitry reduce the output power in case of high room or esternal temperature, trying to stay on the air in spite of the adverse conditions. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 4...

  • Page 5: Technical Features

    Some leds signal at a glance proper functioning and warning states. SOFRATEC BROADCAST EQUIPMENT PAGE 5 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 6 If requested, 110-120 Vac range must be internally set on the mains tranformer board. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 6...
  • Page 7 Should an over- current condition take place, the power switch would trip and stop the device. SOFRATEC BROADCAST EQUIPMENT PAGE 7 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 8: Technical Specifications

    Reflected power and over temperature S/N ratio, mono: Modulation limiter >70 dB, 73 tip. (30÷20000Hz) >75 dB, 78 tip. (CCIR) SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 8...

  • Page 9: Installation And Use

    ARE PRESENT INSIDE AND BECOME ACCESSIBLE WHEN THE COVERS ARE RE- MOVED. ——— MAINS VOLTAGE MAY KILL ——— SOFRATEC BROADCAST EQUIPMENT PAGE 9 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 10: Placing The Apparatus

    SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 10...

  • Page 11: Wiring Into The Mains

    EVEN ON OR STAND-BY CONDITION. WHEN YOU TURN ON THE REAR PANEL MAINS SWITCH, EVEN IF THE APPARATUS IS JUST FACTORY DELIVERED, BE READY FOR THIS EVENT. SOFRATEC BROADCAST EQUIPMENT PAGE 11 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 12: System Connection

    SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 12...

  • Page 13: Lf Connection And Presets

    3 (+) and pin 2 (-). The cable shield, connected to the ground through of the driving equipment, has to be connected to pin 1. SOFRATEC BROADCAST EQUIPMENT PAGE 13 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 14 0 dBm as a LF signal whose peak is + (or -) 1100 mV. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 14...
  • Page 15 Allow enough time to stabilise and take the higher deviation reported as the right one. SOFRATEC BROADCAST EQUIPMENT PAGE 15 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 16 SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 16...
  • Page 17 - Pin 7, Alarm: logic low signal means alarm. Correct functioning is signalled by +12V/10kΩ. Maximum current sinking capability <10mA. SOFRATEC BROADCAST EQUIPMENT PAGE 17 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 18: Operation

    They will be internally 15-kHz filtered and pre-emphasised signal. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 18...
  • Page 19 SOFRATEC BROADCAST EQUIPMENT PAGE 19 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 20 CONNECTION MAY CAUSE DEGRADATION AND POSSIBLE DESTRUCTION OF THE FINAL STAGE. THIS FAILURE IS NOT COVERED BY THE GUARANTEE. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 20...

  • Page 21: Commands And Programming

    "off". SOFRATEC BROADCAST EQUIPMENT PAGE 21 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 22: Factory Default Passwords

    For security purpose the 3rd level password may be factory changed from the default value before the transmitter is shipped, in consequence of a specific final customer request. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 22...

  • Page 23: Menu And Commands Description

    01 JAN 01 17:22 23:00-06:00 P=50% ELAPSED TIME SET PASSWORD CONF. PASSWORD LEV.1 **** EXEC SW RESET? YES/NO SOFRATEC BROADCAST EQUIPMENT PAGE 23 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 24 When the password is recognised as valid and the corresponding level is displayed, press on escape key will turn on the default menu field #00. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 24...
  • Page 25 See menu #22. Right key instead permits to access to limiter setup and threshold. See menu #32. SOFRATEC BROADCAST EQUIPMENT PAGE 25 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 26 Command mode, with the 2nd level password authorization, permits to set auxiliary input channel sensitivity. See menu #25. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 26...
  • Page 27 10° C the temperature is increased. Assuming 10 years operating life at +25°C, which is not unrealistic, it may become 2.5 years at +45°C. SOFRATEC BROADCAST EQUIPMENT PAGE 27 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 28 Even in this case, the first request will be a valid password input. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 28...
  • Page 29 100% modulation. Increasing the nominal input level will accordingly decrease the modulation, if the modulatotion signal is constant. SOFRATEC BROADCAST EQUIPMENT PAGE 29 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 30 Left and right keys change the input fields whilst the up and down keys change the various options or increase/decrease the frequency. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 30...
  • Page 31 "pumping" effect on the modulation. SOFRATEC BROADCAST EQUIPMENT PAGE 31 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 32 The scaled power is approximate and must be tested and/or adjusted before final setup, if critical. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 32...

  • Page 33: Service And Maintenance

    30 / 35 °C. Never change the internal calibrations to avoid altering the transmitter declared perform- ances. SOFRATEC BROADCAST EQUIPMENT PAGE 33 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...

  • Page 34: Guarantee

    This guarantee does not cover any consequential damage due to non-operation or faulty operation. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 34...

  • Page 35: Service Manual

    IN SMT ARE NOT INTENDED TO BE REPAIRED IN CASE OF FAILURE AND MUST BE REPLACED WITH NEW ONES. SOFRATEC BROADCAST EQUIPMENT PAGE 35 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 36 No other regulation is provided on the board. The precision of the measurements is guaranteed by design by the precision of the components and the reference voltage source IC1. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 36...
  • Page 37 IC13a, the limiter threshold level +Vl & -Vl can be adjusted. RT4, if present, impose a ceiling to the limiter. SOFRATEC BROADCAST EQUIPMENT PAGE 37 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 38 IC5a. A separate 1Vpp output is provided on J2 to drive carrier synchronisation on a possible external RDS generator. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 38...
  • Page 39 20W, a lower power supply voltage is applied, usually 20V. SOFRATEC BROADCAST EQUIPMENT PAGE 39 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 40 Two additional lines support the RF module bias (or AGC) line and the temperature sensing PTC thermistor on the heatsink. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 40...
  • Page 41 3 directional sample lines derive two rectified voltages proportional to the direct and reflected output power and a RF signal for external monitoring purposes. SOFRATEC BROADCAST EQUIPMENT PAGE 41 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 42 It is suggested to substitute the module with a new one and send back the damaged unit to the factory for inspection and possible reparation. SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 42...
  • Page 43 SOFRATEC BROADCAST EQUIPMENT PAGE 43 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 44 EB 2000 USER AND MAINTENANCE MANUAL EXB2000 TRANSMITTER - FRONT & TOP ASSEMBLY VIEW SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 44...
  • Page 45 EB 2000 USER AND MAINTENANCE MANUAL EB2000 TRANSMITTER - REAR INTERNAL VIEW SOFRATEC BROADCAST EQUIPMENT PAGE 45 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 46 EB 2000 USER AND MAINTENANCE MANUAL EB2000 TRANSMITTER - GENERAL ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 46...
  • Page 47 EB 2000 USER AND MAINTENANCE MANUAL EB2000 TRANSMITTER - EXCITER ASSEMBLY ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT PAGE 47 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 48 EB 2000 USER AND MAINTENANCE MANUAL SEXC25AL5 -- AUXILIARY POWER REGULATOR BOARD ELECTRICAL DIAGRAM COMPONENT LAYOUT SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 48...
  • Page 49 EB 2000 USER AND MAINTENANCE MANUAL SEXC25CON -- CPU CONTROLLER & DISPLAY BOARD ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT PAGE 49 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 50 EB 2000 USER AND MAINTENANCE MANUAL SEXC25CON - CPU CONTROLLER & DISPLAY BOARD COMPONENTS LAYOUT SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 50...
  • Page 51 EB 2000 USER AND MAINTENANCE MANUAL SEXC1K05IN - INPUT & INTERFACE BOARD ELECTRICAL DIAGRAM COMPONENT LAYOUT SOFRATEC BROADCAST EQUIPMENT PAGE 51 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 52 EB 2000 USER AND MAINTENANCE MANUAL SEXC25MB - MAINBOARD / I/O & RF CONTROL SECTION ELECTRICAL DIAGRAM - 1 of 2 SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 52...
  • Page 53 EB 2000 USER AND MAINTENANCE MANUAL SEXC25MB - MAINBOARD / LF PROCESS SECTION ELECTRICAL DIAGRAM - 2 of 2 SOFRATEC BROADCAST EQUIPMENT PAGE 53 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 54 EB 2000 USER AND MAINTENANCE MANUAL SEXC25MB - MAINBOARD COMPONENT LAYOUT SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 54...
  • Page 55 EB 2000 USER AND MAINTENANCE MANUAL SEXC23COD2 - STEREO ENCODER BOARD - ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT PAGE 55 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 56 EB 2000 USER AND MAINTENANCE MANUAL SEXC23COD2 - STEREO ENCODER BOARD COMPONENT LAYOUT SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 56...
  • Page 57 EB 2000 USER AND MAINTENANCE MANUAL SEXC25MOD - FM EXCITER BOARD - ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT PAGE 57 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 58 EB 2000 USER AND MAINTENANCE MANUAL SEXC25MOD - FM EXCITER BOARD COMPONENT LAYOUT SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 58...
  • Page 59 EB 2000 USER AND MAINTENANCE MANUAL ASEXC25AM5 - FM 25W POWER AMPLIFIER ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT PAGE 59 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 60 EB 2000 USER AND MAINTENANCE MANUAL ASEXC25AM5 - FM 25W POWER AMPLIFIER COMPONENT LAYOUT SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 60...
  • Page 61 EB 2000 USER AND MAINTENANCE MANUAL ASRFB2K0RF - 2KW AMPLIFIER ASSEMBLY - ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT PAGE 61 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 62 EB 2000 USER AND MAINTENANCE MANUAL SRFB1K0LP - 2-PORT RF OUTPUT COMBINER & LPF ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 62...
  • Page 63 EB 2000 USER AND MAINTENANCE MANUAL SRFB500W - 500W AMPLIFIER MODULE ELECTRICAL DIAGRAM SOFRATEC BROADCAST EQUIPMENT PAGE 63 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 64 EB 2000 USER AND MAINTENANCE MANUAL SRFB500W - 500W AMPLIFIER MODULE COMPONENT LAYOUT SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 64...
  • Page 65 EB 2000 USER AND MAINTENANCE MANUAL SRFB1K5ALM - 48V/70A SMPS REGULATOR ELECTRICAL DIAGRAM - POWER SECTION SOFRATEC BROADCAST EQUIPMENT PAGE 65 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 66 EB 2000 USER AND MAINTENANCE MANUAL SRFB1K5ALM - 48V/70A SMPS REGULATOR ELECTRICAL DIAGRAM - CONTROL SECTION SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 66...
  • Page 67 EB 2000 USER AND MAINTENANCE MANUAL SRFB1K5ALM - 48V/70A SMPS REGULATOR COMPONENT LAYOUT - POWER SECTION SOFRATEC BROADCAST EQUIPMENT PAGE 67 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 68 EB 2000 USER AND MAINTENANCE MANUAL SRFB1K5ALM - 48V/70A SMPS REGULATOR COMPONENT LAYOUT - CONTROL SECTION SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 68...
  • Page 69 EB 2000 USER AND MAINTENANCE MANUAL SOFRATEC BROADCAST EQUIPMENT PAGE 69 WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71...
  • Page 70 EB 2000 USER AND MAINTENANCE MANUAL SOFRATEC BROADCAST EQUIPMENT WWW.sofratec.com - e-mail : info@sofratec.com Tel: +33 4 93 01 99 99 Fax: +33 4 93 01 99 71 PAGE 70...

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