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BW Broadcast rds2+ Technical Manual

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RDS2+ RDS Encoder
Technical Manual
No part of this manual may be re-produced in any form without prior written permission from BW Broadcast.
The information and specifications contained in this document is subject to change at any time without notice.
Copyright 2011 BW Broadcast
www.bwbroadcast.com

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Summary of Contents for BW Broadcast rds2+

  • Page 1 RDS2+ RDS Encoder Technical Manual No part of this manual may be re-produced in any form without prior written permission from BW Broadcast. The information and specifications contained in this document is subject to change at any time without notice.

  • Page 2: Table Of Contents

    The UECP implementation in the RDS2+ and its limitations Further Features 2.9.1 Bypass Relay 2.9.3 External Program Switch 2.9.4 External TA/EON1TA Switch 2.9.5 Showing Real Time in Dynamic PS 2.9.6 Addressing 2.9.7 Real-Time Backup Technical Data and Specifications Block Diagram Page 2 BW Broadcast Technical Manual...
  • Page 3 4.2.5 AID for ODA group coding (3A) List of Commands 4.3.1 Command Summary 4.3.2 Basic Commnds 4.3.3 EON Commands 4.3.4 Message Commands 4.3.5 Scheduling Commands 4.3.6 System Commands 4.3.7 Advanced Commands 4.3.8 Memory Commands Page 3 BW Broadcast Technical Manual...

  • Page 4: Introduction

    - Internal realtime clock incl. backup battery, showing realtime also as PS - No special 19 kHz input needed pilot tone carefully recovered from MPX signal - Digital 57 kHz phase locked loop rock stable RDS subcarrier in all cases Page 4 BW Broadcast Technical Manual...

  • Page 5: Warranty

    If the product shows any defects within the specified warranty period that are not due to normal wear and tear and/or improper handling by the user, BW Broadcast shall, at its sole discretion, either repair or replace the product. If the unit has a manufacturers fault within twenty eight (28) days then BW Broadcast will pay the freight at their discretion.

  • Page 6: Safety Instructions

    The appliance should be cleaned only as recommended by the manufacturer. Non-use Periods: The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time. Page 6 BW Broadcast Technical Manual...
  • Page 7 Radio Interference Regulations of the Canadian Department of Communications. Le present appareil numerique n'emet pas de bruits radioelectriques depassant les limits applicables aux brouillage radioelectrique edicte par le ministere des Communications de Canada. Page 7 BW Broadcast Technical Manual...

  • Page 8: Connections And Included Items

    CONNECTION AND INCLUDED ITEMS 1. RDS2 1U rack RDS Encoder. 2. Mains IEC lead The following items are shipped with the BW Broadcast RDS2+, 3. DB9 Serial lead (9 Pin IBM PC compatible). 1. RDS2+ 1U RDS encoder 4. BW Software CD.

  • Page 9: Installation And Setup

    (MPX or pilot tone) must be fed into the RDS encoder input to meet the synchronization requirements. Following figures show various situations and corresponding methods of connection: Separate stereo encoder in default connection. Stereo encoder with only one MPX output provided. FM transmitter with only one MPX input provided. Page 9 BW Broadcast Technical Manual...
  • Page 10 Connect (short) the jumper only if you want to pass the input signal to the output of the RDS encoder (loopthrough mode). In all other cases the JP2 must be open (no jumper present)! Page 10 BW Broadcast Technical Manual...

  • Page 11: Pi (Program Identification)

    PI digits. In other case they are recognized as one station by car radios, regardless of any other service settings. If the broadcaster hasn't received the 4-digit PI from regulatory office, he must choose such number that is not in conflict with other stations in the location. Page 11 BW Broadcast Technical Manual...

  • Page 12: Ps (Program Service Name)

    PI code. Important note: If second PI digit is set to zero (x0xx), this indicates that the station has only one transmitter and the AF list is ignored on most receivers. Page 12 BW Broadcast Technical Manual...

  • Page 13: Windows Control Software

    RAM and also stores the data into EEPROM. The Store button behavior can be changed in Options - Preferences - Buttons. If the user forgets to store the data into EEPROM, the settings will be lost when the power is disconnected. Page 13 BW Broadcast Technical Manual...

  • Page 14: Dynamic Ps Test

    DPS1 should be used if on-line connection is available between your studio and the RDS encoder while the DPS2 should be used if the RDS encoder is placed on a site without on-line connection. Page 14 BW Broadcast Technical Manual...

  • Page 15: Traffic Program And Traffic Announcement Codes

    If the Kiss FM listener has activated the EON feature on his receiver, he will be automatically tuned to City Radio for the duration of traffic announcements. Page 15 BW Broadcast Technical Manual...

  • Page 16: Weekly Scheduling

    The Windows control application provides easy GUI for this case. 2.4.4 Troubleshooting If the scheduling doesn’t work as expected, check the following points: • Scheduling enabled? • Date and Time actual? • Commands typed right? Page 16 BW Broadcast Technical Manual...

  • Page 17: Broadcast Automation System Link-Up

    In the systems where the RDS2+ is not directly supported (or the system is older version) the user may try to select another RDS encoder model to send text messages. Where possible, set the communication as unidirectional. The most frequent communication speed is 9600 bps. Page 17 BW Broadcast Technical Manual...

  • Page 18: Com Port Communication

    ECHO=0 and press <Enter>. To store this parameter into EEPROM memory, type *ECHO and press <Enter>. To display actual parameter value, type ECHO and press <Enter>. Now you made first steps with the RDS encoder command interpreter. Page 18 BW Broadcast Technical Manual...

  • Page 19: Command Interpreter

    The command interpreter is not case sensitive. But it’s recommended to write all commands in UPPER CASE to maintain backward compatibility with older firmware versions. If you wish to retain change of any parameter value during power off, don’t forget to store it into memory! Page 19 BW Broadcast Technical Manual...

  • Page 20: Additional Information

    Space characters (char. 32) are ignored if typed behind validating character on a new line. In this case, the space characters may be used to realize a delay between two commands. • The COM port time-out is 2 minutes. If no character is received during this time, the command line is internally cleared. Page 20 BW Broadcast Technical Manual...

  • Page 21: Universal Encoder Communication Protocol

    If the Site address is set to 0, any Site will accept the record. If the Encoder address is set to 0, any Encoder in the Site will accept the record. It's not important for the UECP reception if the RDS encoder is selected or not (command SEL). Page 21 BW Broadcast Technical Manual...

  • Page 22: The Uecp Implementation In The Rds2+ And Its Limitations

    Any characters which follow the UECP start byte (0xFE) will be ignored by the ASCII command interpreter until one of the following conditions occurs: • reception of the UECP stop byte (0xFF) • reception of 260 characters • COM port timeout (2 minutes) For this reason take care not to send the UECP start byte within an ASCII command when the UECP is enabled. Page 22 BW Broadcast Technical Manual...

  • Page 23: Further Features

    If edge activated, any logical level change activates the TA. Then the TA is deactivated after the time specified by the TATMOUT command. The TATMOUT command doesn’t affect the EON1TA switching. If EON1TA is controlled using the external switch, the control is always based on the level. Page 23 BW Broadcast Technical Manual...

  • Page 24: Showing Real Time In Dynamic Ps

    A battery-powered RTC circuit provides real-time backup for case of mains power supply interruption or switch off. Use TIME and DATE commands to set the time and date information or simply use the Windows control software. Page 24 BW Broadcast Technical Manual...

  • Page 25: Specifications

    Recommended Pilot Frequency and Offset: 19000Hz ± 1 Hz Output Output Impedance: 100Ω Recommended Load Impedance: >70Ω, <1nF Max. Output Voltage (RDS + MPX) (JP1: 2-3, 12V): 9V p-p Recommended RDS Level: 3 - 11% of MPX Note: p-p indicates peak-to-peak value Page 25 BW Broadcast Technical Manual...

  • Page 26: Block Diagram

    Technical Data and Specifications BLOCK DIAGRAM Page 26 BW Broadcast Technical Manual...

  • Page 27: Annexes

    ACCEPTED, ERROR: integer/boolean TIME: time/float Other values: TIMEOUT: COM port timeout, usually ≥400 milliseconds Calling examples: SendBD(‘PS=PRO 88’) if ERROR or not ACCEPTED then write(‘Error’) S=Read(‘PS’) if ERROR or not ACCEPTED then S=’’ Note: The flowcharts are valid for any ECHO value. Page 27 BW Broadcast Technical Manual...
  • Page 28 Annexes Page 28 BW Broadcast Technical Manual...
  • Page 29 Annexes Page 29 BW Broadcast Technical Manual...

  • Page 30: Rds Group Format

    1 is never specified when inserting any user defined group. • TP and PTY are always inserted automatically by the RDS encoder using OR method (logical sum) on the appropriate bit positions. Page 30 BW Broadcast Technical Manual...

  • Page 31: Tdc Group Coding (5A, 5B)

    These groups are used to identify the Open Data Application in use, on an RDS transmission. The type 3A group conveys, to a receiver, information about which Open Data Applications are carried on a particular transmission (AID Code) and in which groups they will be found (Application group type code). Page 31 BW Broadcast Technical Manual...
  • Page 32 Notes: See more information about the RT+ service in the document "RadioText Plus (RT+) Specification" (published by 3rd party). The RT+ feature is supported by the Windows control software and some broadcast automation software. Page 32 BW Broadcast Technical Manual...

  • Page 33: List Of Commands

    List of Commands 4.1 LIST OF COMMANDS 4.1.1 Command Summary Page 33 BW Broadcast Technical Manual...
  • Page 34 List of Commands Page 34 BW Broadcast Technical Manual...
  • Page 35 List of Commands 4.3.2 Basic Commands Page 35 BW Broadcast Technical Manual...
  • Page 36 List of Commands Page 36 BW Broadcast Technical Manual...
  • Page 37 List of Commands Page 37 BW Broadcast Technical Manual...
  • Page 38 List of Commands Page 38 BW Broadcast Technical Manual...
  • Page 39 List of Commands Page 39 BW Broadcast Technical Manual...

  • Page 40: Eon Commands

    List of Commands 4.1.3 EON Commands Page 40 BW Broadcast Technical Manual...

  • Page 41: Message Commands

    List of Commands 4.1.4 Message Commands Page 41 BW Broadcast Technical Manual...

  • Page 42: Scheduling Commands

    List of Commands 4.1.5 Scheduling Commands Page 42 BW Broadcast Technical Manual...

  • Page 43: System Commands

    List of Commands 4.1.6 System Commands Page 43 BW Broadcast Technical Manual...
  • Page 44 List of Commands Page 44 BW Broadcast Technical Manual...
  • Page 45 List of Commands Page 45 BW Broadcast Technical Manual...

  • Page 46: Advanced Commands

    List of Commands 4.1.7 Advanced Commands Page 46 BW Broadcast Technical Manual...
  • Page 47 List of Commands Page 47 BW Broadcast Technical Manual...
  • Page 48 List of Commands Page 48 BW Broadcast Technical Manual...
  • Page 49 List of Commands Page 49 BW Broadcast Technical Manual...
  • Page 50 List of Commands 4.1.8 Memory Organisation Dynamic PS 1 and Dynamic PS 2 Summaary Page 50 BW Broadcast Technical Manual...
  • Page 51 www.bwbroadcast.com...

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