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Microwave Radio Transmitter Operator's Manual

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No. 400xxx
Firmware : 1.011
2/6/04
TRANSMITTER
OPERATOR'S GUIDE
1 Introduction
2 Installation
3 Powering the STRATA Transmitter
4 Front Panel Controls
5 STRATA Tx Configurator
6 Audio & Video Connections
A Error Codes
B Channel & Fequencies

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Summary of Contents for Microwave Radio Transmitter

  • Page 1 TRANSMITTER OPERATOR’S GUIDE 1 Introduction 2 Installation 3 Powering the STRATA Transmitter 4 Front Panel Controls 5 STRATA Tx Configurator 6 Audio & Video Connections A Error Codes No. 400xxx B Channel & Fequencies Firmware : 1.011 2/6/04...
  • Page 2 PROPRIETARY NOTICE The information and design contained within this manual was originated by and is the property of Microwave Radio Communications. Microwave Radio Communications reserves all patent proprietary design, manufacturing, reproduction use, and sales rights thereto, and to any articles disclosed therein, except to the extent rights are expressly granted to others.
  • Page 3 Protective Earth Ground – Identifies any terminal which is intended for connection to an external conductor for Electrostatic Discharge. protection against electric shock in case of a fault, or the terminal oa a protective earth ground electrode. Possible Damage to Equipment 400438-1 Rev. F STRATA Transmitter Operator’s Guide...

  • Page 4: Important Safeguards

    For 220 VAC operation, the proper power cord must be Safety Check - Upon completing any service or repairs to the used. equipment, ensure that safety checks are performed to determine that the equipment is in proper operating condition 400438-1 Rev. F STRATA Transmitter Operator’s Guide...

  • Page 5: Table Of Contents

    3.4.3 Power Harness Assembly ............3-2 Fixed Mounting Bracket ........... 2-1 Figure 3-6 Power Cable Assembly.......... 3-2 Figure 2-1 Transmitter Mounted in 3 Unit Fixed Bracket ..2-1 Figure 3-5 Power Connector ........... 3-2 2.2.1 Fixed Bracket Mounting Dimensions ........2-1 Power Requirements ............3-3 Figure 2-2 2 Unit Fixed Bracket Dimensions ......2-2...
  • Page 6 Command Screens ............4-2 Figure 5-7 Connect to Radio “Error” Screen......5-4 Table3-2 Command Screens ............4-2 The Main Menu ..............5-5 Figure 4-2 Transmitter Command Screen .......4-2 Figure 5-8 Main Menu .............5-5 4.3.1 Changing Channel and Offset ..........4-3 Radio Menu ............... 5-6 Figure 4-3 Set Channel Screen ..........4-3...
  • Page 7 Figure 7-3 Wayside and Serial Interface Connections .... 7-2 Figure 5-14 Channel Plan Menu..........5-10 Figure 7-4 Interface Cable Connections........7-2 7.3.1 Transmitter to Receiver Connections ........7-2 6 Audio & Video Connections ......6-1 Figure 7-5 Transmitter Wayside Connections ......7-2 Overview ................
  • Page 8 Table of Contents Rev. STRATA TX Operation Guide...

  • Page 9: Terms

    System Components The system is made of the following components: • TCU - Transmitter Control Unit – The TCU can be equipped with an FM Modulator. COFDM/MPEG module, or both. For more information, see Figure 1-2, STRATA Transmitter Options on page 1-2.
  • Page 10 Overview Introduction Figure 1-2 STRATA Transmitter Options 70 MHz IF Output Only RF/IF Only (OPTIONAL) NTSC or PAL analog video with 4 audio channels available FMR Option (OPTIONAL) SDI, ASI, NTSC or PAL & digitial/analog audio COFDM / MPEG (OPTIONAL) Option 1.9 to 2.5 GHz...

  • Page 11: System Power

    System Power STRATA Tx Configurator Software STRATA Transmitter Units can be powered from any DC source. The voltage STRATA TX Configuration Software is shipped with every STRAT transmitter. required depends on the number of units in the system, and whether the units System presets are set at the factory depending on the customer order.

  • Page 12: Front Panel Controls

    Remote Control Operation Introduction 1.4.1 Front Panel Controls Figure 1-6 Remote Control Panels System changes can be made on single or multi-unit systems using a single push button/rotary switch ( ). You can make certain changes from the Figure 1-5 front panel control switch to existing system presets.

  • Page 13: Installation

    Installation Overview Figure 2-1 Transmitter Mounted in 3 Unit Fixed Bracket STRATA radio systems can be installed in a variety of applications for portable, airborne, or mobile applications. 2.1.1 Glossary Terms In this section, a “unit” refers to either: • TCU - Transmitter Control Unit •...
  • Page 14 Fixed Mounting Bracket Installation Figure 2-2 2 Unit Fixed Bracket Dimensions 5.5" 1.5" [3.81 cm] [13.97 cm] .187" [4.74 mm] Typical for Entire Bracket 2.25" [5.71 cm] 4.19" [10.6 cm] 4.19" [10.6 cm] 10.75" [27.3 cm] 8.00" [20.32 cm] 2.17" [5.51 cm] 8.00"...
  • Page 15 Fixed Mounting Bracket Installation Figure 2-3 3 Unit Fixed Bracket Dimensions 5.5" 1.5" [13.97 cm] [3.81 cm] .187" [4.74 mm] Typical for Entire Bracket 4.06" [10.31 cm] 6.31" 6.313" [16.02 cm] [16.0 cm] 8.00" [20.32 cm] 2.17" 8.00" [5.51 cm] [20.32 cm] 4.00"...
  • Page 16 Universal Mounting Bracket Installation Universal Mounting Bracket Figure 2-5 Universal Mounting Brackets The Universal Mounting Bracket (U-Bracket) lets you install multiple units as shown in Figure 2-4. Individual units are mounted to a single bracket using a set of latches (Figure 2-5).

  • Page 17: Universal Mounting Bracket

    Universal Mounting Bracket Installation 2.3.1 Adding and Removing Units from the Stack Once the captive screws are loosened, lift the unit from the Step 2 stack as shown in Figure 2-7 Follow these steps to remove units from a stack. Figure 2-7 Removing Unit from Stack with Universal Bracket Loosen the captive screws on both sides of the unit as shown in Step 1...

  • Page 18: Installing And Removing A Unit From The Bracket

    Universal Mounting Bracket Installation 2.3.2 Installing and Removing a Unit from the Bracket Once the latch releases, make sure it is clear of the unit as Step 2 shown in . Repeat this for the latch on each side of Figure 2-9 You can remove a unit from it s individual bracket without removing it from the the unit.

  • Page 19: Tripod Installation

    Tripod Installation Installation Tripod Installation 2.4.1 Quick Release Adapter To install the quick release adapter on the tripod mount: Units can be installed on a tripod using either the fixed or universal brackets. Both fixed or universal brackets are designed for the following parts: Align the adapter with the edge of the tripod head ( Step 1 Figure 2-15...
  • Page 20 Tripod Installation Installation Figure 2-13 Quick Release Adapter Figure 2-15 Tripod with 4 Units using Universal Brackets 5.75" [14.6 cm] MegaHorn Antenna Antenna Lock Plate 3.375" 2.00" [8.57 cm] [5.08 cm] Universal .585" Mounting Brackets [14.86 mm] .80" .138-32 UNC-2B 3.17"...

  • Page 21: Powering The Strata Transmitter

    Powering the STRATA Transmitter Overview Figure 3-1 TXU With No DC Over-ride Switches The STRATA Transmitter must be powered up correctly in order to assure proper operation as well to provide safety for the operator and equipment. Safety Precautions Step 1 Read this chapter carefully.

  • Page 22: Identifying Tcu Units

    Figure 3-6 Power Cable Assembly Powering STRATA Units The method you use to power the transmitter can vary depending on the following: • The transmitter configuration, whether you’re using a single TCU, a TXU and HPU, or a TCU, TXU, and HPU as an integrated system.

  • Page 23: Power Requirements

    Power Requirements Powering the STRATA Transmitter Power Requirements describes the power requirements for stand-alone and multi-unit transmitter systems. Table 3-2 Table3-2 Power Requirements Application TCU + TXU Notes Block Diagram • Stand-alone TXU 12 to 48 Vdc 12 to 48 Vdc 12.5 to 22 Vdc...

  • Page 24: Dc Superimposed Voltages

    "Model Variations," Section 3.3 on page 3-1. Options: Depending on how the transmitter is powered, the DC Voltage can be turned on IF / DC HPU Present or off between the TCU and TXU, and between the TXU and HPU.

  • Page 25: Dc Voltage Settings - Over-Ride Switch Models

    2.6.3 DC Voltage Settings – Over-Ride Switch Models 2.6.4 DC Override Switch Settings If you are unsure which model transmitter you are using, see "Model describes the DC Override switch settings for systems using TXU, TCU, and Table 3-3 Variations," Section 3.3 on page 3-1.

  • Page 26: Strata Ac Power Supply

    STRATA AC Power Supply Powering the STRATA Transmitter STRATA AC Power Supply 3.7.1 AC Power Supply Connections show the power connector pin designations for the AC Table 3-4 Figure 3-10 The STRATA AC Power Supply provides DC power to one or more units in a Input connections to the AC Power Supply.

  • Page 27: Powering Up And Test

    Powering Up and Test Powering the STRATA Transmitter Powering Up and Test Figure 3-11 TCU and TXU Front Panel Power Switch Once the STRATA has been installed, select the method for power a single or multi-unit system. See "Power Requirements," Section 3.5 on page 3-3 Power LED determine which method you are using.

  • Page 28: Hpu Power Up And Test

    Powering Up and Test Powering the STRATA Transmitter 2.8.4.1 HPU Power Up and Test Figure 3-13 HPU Front Panel Indicators Once you have verified that the TXU and TCU are powered correctly, you are ready to test the HPU. Step 1 Connect the RF coaxial cable between the TXU and HPU.
  • Page 29 Powering Up and Test Powering the STRATA Transmitter Figure 3-14 DC to DC Power Cable (907481) 9074811 Figure 3-15 DC Cable Harness with Terminators (907673) Rev. STRATA TX Operation Guide...
  • Page 30 Powering Up and Test Powering the STRATA Transmitter 3-10 Rev. STRATA TX Operation Guide...

  • Page 31: Front Panel Controls

    Monitor – for one second to place the transmitter in transmit mode. Select Options Screens Screens – for one second to place the transmitter in standby mode from transmit Command Screens Section 4.3, "Command Section 4.4, "Display mode Screens," on page 4-2 Screens,"...

  • Page 32: Command Screens

    Command Screens Front Panel Controls Command Screens Figure 4-2 Transmitter Command Screen shows the Command Screens provided by rotating Figure 4-2 Preset #1 counter clockwise the front panel control switch. Table 4-2 Display Screen HPU Rdy +6 summarizes the front panel commands with reference to instructions.

  • Page 33: Changing Channel And Offset

    To change channel and offset, "Changing Channel and Offset," Section 4.3.1 on page 4-3 Step 5 To place the transmitter in transmit mode, press the control switch for one second. The front panel “XMIT” LED (blue) should light. Rev. STRATA TX Operation Guide...

  • Page 34: Setting Power Attenuation

    4.3.4 Turn Voltage from TXU to HPU On or OFF This screen lets you set the power output of the transmitter by controlling the When the HPU and TXU are used together, the HPU is powered using voltage attenuation in dB. This setting does not effect the output power of the HPU if one from the TXU.

  • Page 35: Turning Voltage From Tcu To Txu On Or Off

    Step 2 If the transmitter is in Standby mode and the HPU voltage is turned on, place the transmitter in transmit mode by pressing the control switch for one second. The front panel “XMIT” LED (blue) should light.
  • Page 36 Display Screens Front Panel Controls Figure 4-8 Analog Command and Display Screens Preset #1 HPU Rdy +6 1999.000 MHz Section 5.11, "Channel Plan Menu," on page 5-10 Mode Section 5.7, "Radio Menu," on page 5-6 Analog - IF Audio #1 ON Pre 4.83 MHz Audio #2 ON Pre 4.83 MHz...
  • Page 37 Display Screens Front Panel Controls Figure 4-9 Digital Command and Display Screens Preset #1 HPU Rdy +6 2458.50 MHz Section 5.11, "Channel Plan Menu," on page 5-10 HPU Ready C8 Mode Section 5.7, "Radio Menu," on page 5-6 COFDM - IF CO QPSK 8MHz FE 1/2 GI 1/8 Section 5.8, "COFDM Menu,"...
  • Page 38 Display Screens Front Panel Controls Rev. STRATA TX Operation Guide...

  • Page 39: Strata Tx Configurator

    COFDM Menu, Section 5.8 on page 5-7 Step 6 Set up MPEG option settings MPEG Menu, Section 5.9 on page 5-8 Each STRATA Transmitter is shipped with the factory ordered presets installed on the radio. In Step 7 Set up FMT options settings FMT Menu, Section 5.10 on page 5-9...

  • Page 40: Installing The Configurator Software

    files are placed in. The default file is: C:\Program Files\MRC Broadcast\STRATA Configuration Program 1.0 Step 11 To verify the installation, see Section 5.4.3, Installation Verification on page 5-2. Transmitter Firmware and Radio Revision Rev. STRATA TX Operation Guide...

  • Page 41: Connecting The Pc To The Tx System

    Connecting the PC to the Tx System STRATA Tx Configurator Connecting the PC to the Tx System 5.5.2 Connecting and Verifying The PC connects to the STRATA Tx system using the serial port Step 1 Connect the PC serial port to the TCU or TXU as shown in located on either on the front of the TCU (Figure 5-2), or the rear...
  • Page 42 Connecting the PC to the Tx System STRATA Tx Configurator Figure 5-6 Connect to Radio Screen Step 5 Select port Comm Port 1 or Comm Port 2. Note: If the STRATA TX Configurator Software is unable to open a valid serial data port or an invalid number is entered, you will receive the following error dialog: Figure 5-7 Connect to Radio “Error”...

  • Page 43: The Main Menu

    The Main Menu STRATA Tx Configurator The Main Menu Figure 5-8 Main Menu The Main Menu displays the current system configuration for the TXU and TCU. TXU Radio TCU Radio Configuration Radio Menu Buttons: Configuration Block Block • Connect to Radio – Establishes communication between a PC to the TCU or TXU.

  • Page 44: Radio Menu

    ON - Carrier Wave Tone ON Mode will determine which option settings are available in the COFDM, MPEG, FMT, and Channel Plan Menus. Transmitter n db – Sets the attenuation for the transmitter. Step 2 Select Color Bar, CW Tone, and Transmitter attenuation. Backoff...

  • Page 45: Cofdm Menu

    COFDM Menu STRATA Tx Configurator COFDM Menu Figure 5-11 COFDM Menu The COFDM Menu (Figure 5-11) sets options for those Presets using COFDM Modulation: modulation. Table 5-2 describes the option features for COFDM settings. QPSK 16 QAM Figure 5-10 Radio Menu Option Se 64 QAM Option Description...

  • Page 46: Mpeg Menu

    MPEG Menu STRATA Tx Configurator MPEG Menu 5.9.1 Audio Settings Audio channels are grouped as follows: The MPEG Menu sets options for the MPEG Encoding when the MPEG and • Audio A sets options for channels 1 and 2 COFDM module is used in either the TXU or TCU. Note that only those Presets •...

  • Page 47: Fmt Menu

    FMT Menu STRATA Tx Configurator 5.10 FMT Menu Figure 5-13 FMT Menu The FMT Menu sets options for the FMT modulator if used in either the TCU or TXU. Audio settings are set for each for the 4 available channels as shown in Table 5-4.

  • Page 48: Channel Plan Menu

    Channel Plan Menu STRATA Tx Configurator 5.11 Channel Plan Menu Figure 5-14 Channel Plan Menu The Channel Plan Menu sets options for frequency and offset. Frequency can be Channel Frequency and Offset (–/+) set in the following ways for the 10 available channels: •...

  • Page 49: Glossary

    The STRATA Transmitter can be configured to input AES/EBU audio. This voice signal. An audio circuit can carry: requires the transmitter to be configured at the factory, or the unit must be – 1 analog balanced audio channel or: upgraded by MRC Technical Services. For audio connections, see Table 6-4 –...

  • Page 50: Audio Configurations

    Audio Configurations Audio & Video Connections Audio Configurations The STRATA Transmitter provides for a maximum of 4 audio circuits. shows audio configurations available for TXU or TCU units. Table 6-1 Table 6-1 TXU and TCU Audio Configurations Audio Configuration Notes...

  • Page 51: Txu Audio & Video Connections

    TXU audio connector is replaced with a DC Override switch. For more information, see "Powering the No options Up-converted STRATA Transmitter," Section 3 on page 3-1. (Transmitter only) Channelized RF signal shows the block diagram of the TXU which can house either the FMT Figure 6-1 modulator or the MPEG/COFDM module.

  • Page 52: Tcu Audio & Video Connections

    TCU Audio & Video Connections Audio & Video Connections TCU Audio & Video Connections Figure 6-4 TCU Rear Panels The TXU provides several audio and video input and output options. shows the block diagram of the TXU which can house either the FMT Figure 6-3 modulator or the MPEG/COFDM module.
  • Page 53 Audio Connections Audio & Video Connections Audio Connections describes wiring for the audio connector. Table 6-4 Note: AES/EBU audio requires the transmitter to be configured at the factory. Table 6-4 STRATA Tx Audio Connections Channel Audio Analog Audio AES/EBU Audio Connector...
  • Page 54 Audio Connections Audio & Video Connections Figure 6-6 Audio XLR Cable (907471) 38.00" [96.52 cm] 22.00" [55.88 cm] 907471 REV. B Rev. STRATA TX Operation Guide...

  • Page 55: Wayside Data Channel

    Note: Early production models of the STRATA Transmitter Unit the STRATA Transmitter system to a STRATA Receive system. Data is input to TXU or Transmitter Control Unit (TCU) used connections on the TXU or TCU using connections to the serial port through an interface cable the front panel audio connector to connect to the data port on provided by MRC.

  • Page 56: Wayside Connections On The Serial Port

    TXU or TCU. Both serial and wayside connections are PC or laptop required for the STRATA Configurator. shown. Figure 7-3 Wayside and Serial Interface Connections Figure 7-5 Transmitter Wayside Connections Serial Tx or Rx 9-pin connector...

  • Page 57: A Error Codes

    Error Codes Strata TX Front Panel Error Code List Table A-2 TCU Errosr Codes Rotating the front panel TCU or TXU control knob allows access to displayed Error Codes error codes whenever the unit PWR LED color changes from green to amber. TCU PS 48 VOLT LINE E040 The list below references trouble conditions with displayed error codes.
  • Page 58 Strata TX Front Panel Error Code List Error Codes Table A-4 MPEG/COFDM Error Codesm Error Codes COFDM ENCODER COMM ERROR E080 Table A-5 FMT Error Codes Error Codes FMT VIDEO PLL UNLOCK E0E0 FMT AUDIO1 PLL UNLOCK E0E1 FMT AUDIO2 PLL UNLOCK E0E2 FMT AUDIO3 PLL UNLOCK E0E3...

  • Page 59: B Channel & Fequencies

    This appendix lists the RF channel frequency for each RF band. These • Table B-2, 6 GHz RF Channel Guide (U.S. Broadcast), on page B-1 frequencies are programmed into each STRATA Transmitter. • Table B-3, 12 GHz RF Channel Guide (U.S. Broadcast), on page B-2 •...

  • Page 60: Future Bands

    Future Bands Channel & Fequencies Table C-3 12 GHz RF Channel Guide (U.S. Broadcast) Table C-4 13 GHz RF Channel Guide (U.S. Broadcast) Setting (–) Offset (MHz) (0) Center (MHz) (+) Offset (MHz) Setting (–) Offset (MHz) (0) Center (MHz) (+) Offset (MHz) 12706.25 12712.50...

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