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DED-8420 User Manual

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1. DashBoard Control System The DashBoard Control System enables you to monitor and control openGear frames and controller cards from a computer DashBoard communicates with other cards in the DFR 8310 series frame through the MFC 8310 N Network controller card This card is required in order to use the DashBoard Control System to configure the DED 8420 The DashBoard Control System and user manual can be downloaded from the Ross Video website Using the DashBoard Menus You must first install the DashBoard Control System software on your computer Refer to the DashBoard User Manual for software installation procedures and using DashBoard The Menu System The following sections and tables describe the Configuration and Status menus with items and parameters available on the DED 8420 accessed from the DashBoard Control System You must click Save on the DashBoard menus to save any changes made to the DED 8420 settings in DashBoard DED 8420 User Manual Iss 01 Control and Monitoring e 4 1 Status Menus This section summarizes the Status Menu options available through DashBoard for the DED 8420 Table 4 Status Menu Functions wes noms ET Card Info Dobby Dede Read only Supplier Ros Vide 2 Signal Status AES Input 1 Card Status teked Read only Unlocked E AES Input 2 wm Dolby Decoder Configuration Menus This section summarizes the Configuration Me
2. s output as AES signal streams It also extracts the meta data embedded in the input audio signal and presents this on the meta data output The DED 8420 card accepts Dolby E AC 3 encoded or PCM input signals and supports audio sampling frequencies from 30kHz to 48kHz Cable equalization and reclocking techniques enable the DED 8420 to recover the incoming digital audio signal reliably When the incoming signal is Dolby E the DED 8420 outputs the decoded AES pairs as follows e AES outl Left Right e AES out 2 Center Low Frequency Effect LFE e AES out 3 Left surround Right surround e AES out 4 Secondary Audio Program e AES out 5 LoRo conventional Stereo pair or LtRt surround encoded stereo pair This is user selectable e AES out 6 Copy of input e MDATA Metadata When the incoming signal is AC 3 encoded the DED 8420 outputs the decoded AES pairs as follows e AES outl Left Right e AES out2 Center Low Frequency Effect LFE e AES out3 Left surround Right surround e AES out4 Nothing e AES out 5 LoRo conventional Stereo pair or LtRt surround encoded stereo pair This is user selectable e AES out 6 Copy of input e MDATA Nothing If the input is PCM the DED 8420 functions as a 1 x 3 Distribution Amplifier The outputs are as follows e AES outl Copy of input e AES out 2 Nothing e AES out 3 Nothing e AES out 4 Nothing e AES out 5 Copy of input e AES out 6 Copy of input e MDATA Nothing The
3. 2 2 e Installation and Setup DED 8420 User Manual Iss 01 5 Align the top hole of the rear module with the screw hole on the top edge of the back plane of the frame 6 Using a Phillips driver and the supplied screw fasten the rear module to the DFR 8300 series back plane Do not over tighten 7 Ensure proper frame cooling and ventilation by having all rear frame slots covered with Rear Modules or Blank metal Plates This completes the procedure for installing a Rear Module in a DFR 8300 series frame Board Installation Use the following procedure to install the DED 8420 in a DFR 8300 series frame 1 Refer to the User Manual of your frame to ensure that the frame is properly installed according to instructions Due to input output requirements a maximum of ten DED 8420 cards can be installed in a DFR 8320 series frame 2 After selecting the desired card frame slot hold the DED 8420 card by the edges and carefully align the card edges with the slots in the frame 3 Fully insert the card into the frame until the rear connection plugs are properly seated on the midplane and rear module This completes the procedure for installing the DED 8420 in a DFR 8300 series frame BNC Labels Affix the supplied BNC label as per the included instructions to the BNC area on the rear of the rack frame Cable Connections This section provides information for connecting cables to the installed Rear Modules of your DFR 8300 ser
4. DED 8420 is fully compliant with all openGear technical specifications and DashBoard Control System 1 2 e Introduction DED 8420 User Manual Iss 01 Function AES IN BNC 1 OS BNC 2 OS Frame REF 1 Frame REF 2 CAN BUS Can only lock to AES Features The following e e al Block Diagram AES OUT BNC 3 BNC 4 Dolby Decoder BNC 5 BNC 6 Selector BNC 7 BNC 8 Extracted METADATA Termination Address Figure 1 Simplified Block Diagram of DED 8420 features make the DED 8420 the best solution for Dolby decoding Handles Dolby E AC 3 and PCM signals 24 bit technology Supports audio sampling frequencies from 30kHz to 48kHz Fits DFR 8300 series frames 5 year transferable warranty Fully compliant with openGear specifications Documentation Terms The following DED 8420 User Manual Iss 01 terms are used throughout this guide Frame refers to the DFR 8300 series frame that houses the DED 8420 card as well as any openGear frames All references to the DFR 8300 series frames also includes all version of the 10 slot DFR 8310 and 20 slot DFR 8320 frames and any available options Operator and User refer to the person who uses the DED 8420 Board and Card refer to the DED 8420 card itself including all components and switches System and Video system refer to the mix of interconnected production and terminal equ
5. has been tested and found to comply with the limits for a class A Digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users will be required to correct the interference at their own expense Changes or modifications to this equipment not expressly approved by Ross Video Ltd could void the user s authority to operate this equipment Notice CANADA This Class A digital apparatus complies with Canadian ICES 003 Cet appareil numerique de classe A est conforme la norme NMB 003 du Canada EUROPE This equipment is in compliance with the essential requirements and other relevant provisions of CE Directive 93 68 EEC INTERNATIONAL This equipment has been tested to CISPR 22 1997 along with amendments A1 2000 and A2 2002 and found to comply with the limits for a Class A Digital device This is a Class A product In domestic environments this product may cause radio interference in which case the user may have to take adequate measures Notice Maintenance User Serviceable Parts
6. that Slot 1 is the left most slot as you look into the openGear frame from the front e DFR 8310 series frames When installing the DED 8420 in the DFR 8310 series frames use the R1 8420 Rear Module e DFR 8320 series frames When installing the DED 8420 in the DFR 8320 series frames use the R2 8420 Full Rear Module When using a Full Rear Module in the DFR 8320 frame use the even numbered slots such as 2 4 6 etc to ensure that the card aligns with the rear module Installing the Rear Module If you received a Rear Module with your DED 8420 you will need to install the module in your DFR 8300 series frame before you can install the DED 8420 in the frame or connect cables to the card frame slot you have chosen for the DED 8420 If the Rear Module is already installed skip this section Use the following procedure to install a Rear Module in a DFR 8300 series frame 1 Refer to the DFR 8300 series frame User Manual to ensure that the frame is properly installed according to instructions 2 Onthe rear of the frame locate the card frame slot 3 Remove the Blank Plate from the rear of the selected card frame slot If there is no Blank Plate installed proceed to the next step 4 As shown in Figure 2 seat the bottom of the rear module in the seating slot at the base of the back plane of the frame Screw Hole Module Seating Slot Figure 2 Rear Module Installation DFR 8310 Series Frame DED 8420 not shown
7. that the power supplies are fully seated in their slots If the power LED is still not illuminated replace the power supply with one that is verified to work Reseat the Card in the Frame Eject the card and reinsert it in the frame Check Control Settings Refer to the Installation and Operation sections of the manual and verify all user adjustable component settings Input Signal Status Verify that source equipment is operating correctly and that a valid signal is being supplied Output Signal Path Verify that destination equipment is operating correctly and receiving a valid signal Card Exchange Exchanging a suspect card with a card that is known to be working correctly is an efficient method for localizing problems to individual cards DED 8420 User Manual Iss 01 Service Information e 6 1 Power LED Conditions The top front edge of the module has a Power LED which indicates card status The Power LED displays the following conditions e Off no power to the card e Orange the card is running internal diagnostics while powering up e Green normal operation e Flashing Green the Bootload button is pressed and the card is receiving a new software load from the frame e Green Flashing Orange signal or configuration problem check signal status and settings e Red solid or flashing means the card is not operational Reseat card in frame check the Rear Module connections or call R
8. 0 routes the AES2 Input to the SAP output connector on the Rear Module The Dolby signal AESI Input is decoded and routed to the appropriate connectors on the Rear Module If a SAP channel is detected in the AES1 signal it is replaced by the AES2 signal Note The output signal sample rates will be the same as that of the individual input signals For example if AES1 and AES2 Inputs had different sampling rates at the input of the DED 8420 then the sampling rate of the SAP signal 1s the same as that of the AES2 Input and the sampling rate of the remaining outputs will be the same as that of the AESI Input If the AES Inputs are flipped where AES1 Input is PCM and AES2 Input is Dolby DashBoard indicates an error but the DED 8420 will continue to operate Dual AES Inputs with Auto Swap Mode In this mode both the AES Inputs have signal connected to them The DED 8420 determines the Dolby signal and routes the it to the decoder If both AES Inputs are Dolby signals AESI takes precedence and is routed If neither AES Inputs are Dolby signals AES1 takes precedence and is routed to the required output DED 8420 User Manual Iss 01 User Controls e 3 5 3 6 e User Controls DED 8420 User Manual Iss 01 Control and Monitoring In This Chapter Note This chapter provides a detailed explanation of controlling and monitoring your DED 8420 The following topics are discussed e DashBoard Control System e The Menu System
9. 20 This feature 1s also configurable via DashBoard Set SW7 as follows e ON Select this setting to retrieve the DED 8420 parameters from the non volatile memory The DIP Switch settings are ignored e OFF Select this setting to retrieve the DED 8420 parameters from the DIP Switches This is the default setting The DED 8420 requires an AES reference signal and not a Bi Level Sync or Tri Level Sync DED 8420 User Manual Iss 01 User Controls e 3 3 DIP SW8 DashBoard Enable SW8 is used to enable remote control of the DED 8420 from DashBoard Set SW8 as follows e ON Select this setting to disable remote control from DashBoard The parameters and settings cannot be changed via DashBoard and must be changed using the card edge controls You can still monitor the status of the card using DashBoard e OFF Select this setting to control the DED 8420 from DashBoard or the card edge This is the default setting LEDs The front edge of the card features LEDs that display the status of the input signals Figure 6 AES 1 LED DOLBY 1 LED ERROR 1 LED AES 2 LED DOLBY 2 LED ERROR 2 LED COM ACTIVITY LED Card Ejector Tab Figure 6 Card edge User Controls As selections are made in the menus the LEDs display the status of the input signals Descriptions are provided in Table 3 Table 3 Selection and Status LED Descriptions Display and Description When lit and green this LED ind
10. N m 1 NINN E 1 1 pa Koch 1 t2 to 4s AIS un Koch 1 l p 7 1 SCREEN DED 8420 User Manual Iss 01 0C 2L 2C 3C 2C 0C Unused Unused 2C 0C 0C Specifications e 5 3 5 4 e Specifications DED 8420 User Manual Iss 01 Service Information In This Chapter This chapter contains the following sections Troubleshooting Checklist Power LED Conditions Warranty and Repair Policy Troubleshooting Checklist Routine maintenance to your card is not required In the event of problems with your DED 8420 the following basic troubleshooting checklist may help identify the source of the problem If the module still does not appear to be working properly after checking all possible causes please contact your openGear products distributor or the Ross Video Technical Support department at the numbers listed under the Contact Us section at the end of this manual 1 Visual Review Performing a quick visual check may reveal many problems such as connectors not properly seated or loose cables Check the module the frame and any associated peripheral equipment for signs of trouble Power Check Check the power indicator LED on the distribution frame front panel for the presence of power If the power LED is not illuminated verify that the power cable is connected to a power source and that power is available at the power main Confirm
11. Ross Video Limited DED 8420 Dolby E AC 3 Decoder User Manual mS openGear Live Production Technology Ross Part Number 8420DR 004 Issue 01 DED 8420 e Dolby E AC 3 Decoder User Manual e Ross Part Number 8420DR 004 e Document Issue 01 e Printed in Canada The information contained in this User Manual is subject to change without notice or obligation Copyright O 2008 Ross Video Limited All rights reserved Contents of this publication may not be reproduced in any form without the written permission of openGear Reproduction or reverse engineering of copyrighted software is prohibited Notice The material in this manual is furnished for informational use only It is subject to change without notice and should not be construed as a commitment by Ross Video Limited Ross Video Limited assumes no responsibility or liability for errors or inaccuracies that may appear in this manual Trademarks openhear kee is a registered trademark of Ross Video Limited ROSS is a registered trademark of Ross Video Limited DashBoard Control System is a trademark of Ross Video Limited Ross ROSS ROSS and MLE are registered trademarks of Ross Video Limited Dolby is a registered trademark of Dolby Laboratories All other product names and any registered and unregistered trademarks mentioned in this manual are used for identification purposes only and remain the exclusive property of their respective owne
12. Routine maintenance to this openGear product is not required This product contains no user serviceable parts If the module does not appear to be working properly please contact Technical Support using the numbers listed under the Contact Us section on the last page of this manual All RossGear products are covered by a generous 5 year warranty and will be repaired without charge for materials or labor within this period See the Warranty and Repair Policy section in this manual for details Environmental Information The equipment that you purchased required the extraction and use of natural resources for its production It may contain hazardous substances that could impact health and the environment To avoid the potential release of those substances into the environment and to diminish the need for the extraction of natural resources Ross Video encourages you to use the appropriate take back systems These systems will reuse or recycle most of the materials from your end of life equipment in an environmentally friendly and health conscious manner The crossed out wheeled bin symbol invites you to use these systems If you need more information on the collection reuse and recycling systems please contact your local or regional waste administration You can also contact Ross Video for more information on the environmental performances of our products openGeat Contents Introduction 1 1 In RE 1 1 A Word of Thanks ine en
13. atically void the warranty Please contact Ross Video Technical Support for more information In Case of Problems Should any problem arise with your DED 8420 please contact the Ross Video Technical Support Department Contact information 1s supplied at the end of this publication A Return Material Authorization number RMA will be issued to you as well as specific shipping instructions should you wish our factory to repair your DED 8420 If required a temporary replacement module will be made available at a nominal charge Any shipping costs incurred will be the responsibility of you the customer All products shipped to you from Ross Video Limited will be shipped collect The Ross Video Technical Support Department will continue to provide advice on any product manufactured by Ross Video Limited beyond the warranty period without charge for the life of the equipment 6 2 e Service Information DED 8420 User Manual Iss 01 Ordering Information DED 8420 and Related Products Your DED 8420 Dolby E AC 3 Decoder is a part of the openGear family of products Ross Video offers a full line of openGear terminal equipment including distribution conversion monitoring synchronizers encoders decoders AES keyers switches as well as analog audio and video products Standard Equipment DED 8420 Dolby E AC 3 Decoder 8420DR 004 Dolby E AC 3 Decoder User Manual Optional Equipment 8420DR 004 Dolby E AC 3 Decoder User Manual addit
14. cep e ere RERO sea o 1 1 ENEE ee 1 2 Functional Block Diagram ii eeceeeeeereneeenereneraneraneraneaaarenanes 1 3 liii E 1 3 Documentation Terms sais IERI NU SN ses cedo 1 3 Installation and Setup 2 1 In This Chapter ete titres rite tete D UI eti ete eh iE TEE eei Ere esee ded o 2 1 Static Discharge ener nre 2 1 Bird np es 2 1 Rear Module Installation Optional sese 2 2 Board Installation ccccecccssessceescesscessceeceseeesesecesecesecaeceaeceaecaeecaeecaeeeaeeeneeneeeeeeeas 2 3 LEE EE 2 3 Cable Connect OMS et 2 3 User Controls 3 1 P RE 3 1 DIP Switch Locations eren enne nnne nennen 3 2 MIP uidi EAR 3 2 Dp ro eai cuba nc E eee eee 3 4 Modes of Operation eicere tete eret nerd e dede e Pet e eiae 3 5 Control and Monitoring 4 1 In This Chapter eie edet ae ttim tient en ee bei io ied eere eden 4 1 DashBoard Control System iere trainee eto ee denen arn acea ea uuo ga 4 1 The Menu System iac noie td nr ned iH E ra 4 1 Specifications 5 1 Ia This SEI 5 1 Technical Specifications acus aue dite sands rte iret tree dere ie ey ee Ere gr aiie 5 2 Encoder Channel Assignment for Dolby E Encoding s s ssss1srrssssssrrseseserress 5 3 Service Information 6 1 In This EE 6 1 Troubleshooting Checklist esses 6 1 Power LED Conditions oett RH RR nme HER 6 2 Warranty and Repa
15. compliant operating state This symbol is used to alert the user that an electrical or electronic device or assembly is susceptible to damage from an ESD event Important Safety Instructions gt CH EI c o 3 Wa 2 5 a gt 3 This product is intended to be a component product of the openGear 8000 series frame Refer to the openGear 8000 series frame User Manual for important safety instructions regarding the proper installation and safe operation of the frame as well as it s component products Certain parts of this equipment namely the power supply area still present a safety hazard with the power switch in the OFF position To avoid electrical shock disconnect all A C power cords from the chassis rear appliance connectors before servicing this area Service barriers within this product are intended to protect the operator and service personnel from hazardous voltages For continued safety replace all barriers after any servicing This product contains safety critical parts which if incorrectly replaced may present a risk of fire or electrical shock Components contained within the product s power supplies and power supply area are not intended to be customer serviced and should be returned to the factory for repair To reduce the risk of fire replacement fuses must be the same type and rating Only use attachments accessories specified by the manufacturer EMC Notices US FCC Part 15 This equipment
16. de show information News Testimonials AAA ge EMideo com
17. hnical Specifications table for the DED 8420 card The following topics are discussed e Technical Specifications e Encoder Channel Assignment for Dolby E Encoding DED 8420 User Manual Iss 01 Specifications e 5 1 Technical Specifications Table 6 lists the Technical Specifications for the DED 8420 card Table 6 DED 8420 Technical Specifications Number of Inputs AES 3id SMPTE 276M Standards DURAR Dolby E Dolby Digital AC 3 PCM AES EBU Sampling Rates 30kHz to 48kHz Audio Input Cable Length 300m 1000ft of Belden 8281 Input Level 0 2 7V p p 6 Number of Outputs Standard AES 3id SMPTE 276M Connector Terminal Block Metadata Standard RS 422 Rate 115kbps 3V p p differential Specifications are subject to change without notice 5 2 e Specifications DED 8420 User Manual Iss 01 Encoder Channel Assignment for Dolby E Encoding Table 7 lists the encoder channel assignment for encoding on the DED 8420 Table 7 DED 8420 Technical Specifications Program L R C LFE LS LS SAPL SAPR Configuration BNC 3 BNC 3 BNC 4 BNC 4 BNC 5 BNC 5 BNC 6 BNC 6 i 42 oe Jor Joc Jos a R Ju E 430919 Jo Jor Joc Jos D IL R 2L 2C 3C 3C 4C 2C 3C 0C RIR NIN me E O DIB NIN 1 NIN JR INTINO ki lk lt Oe ltz ey jaja 1 1 1 N N ES 0C aju e NINO ele JR
18. icates that there is a valid AESI AES EBU input signal on AES1 IN DOLBY 1 When lit this LED indicates a Dolby signal is detected on AES1 IN When lit this LED indicates that the AES EBU input signal is ERROR invalid on AESI IN When lit and green this LED indicates that there is a valid BENE AES EBU input signal on AES2 IN 3 4 e User Controls DED 8420 User Manual Iss 01 DOLBY 2 When lit this LED indicates a Dolby signal is detected at AES2 IN When lit this LED indicates that the AES EBU input signal is EBROR S invalid on AES2 IN COM Grae When lit this LED indicates that the DED 8420 is communicating Activity with DashBoard Modes of Operation This section describes the four modes of operation available on the DED 8420 Single AES Input Mode In this mode the AESI Input is a Dolby signal The DED 8420 decodes the signal and the outputs are locked to the sample rate of the input signal Single AES Input with SRC Mode In this mode the AES1 Input is a Dolby signal and the AES2 Input is the reference signal AES and not DARS The DED 8420 decodes the Dolby signal and the SRC Sample Rate Conversion converts the output signals to the reference sample rate of the AES2 signal if an AES2 signal is not present the SRC of the outputs is locked to that of the incoming signal on the AESI Input Dual AES Inputs In this mode the AES1 Input is a Dolby signal and the AES2 Input is a PCM signal The DED 842
19. ies frame backplane In the DFR 8300 series frames the DED 8420 provides two 750 AES inputs for the main signal and external reference signal as well as six 75 AES EBU outputs and two 3 pin WECO terminal block connectors One 3 pin connector is the metadata output Refer to Figure 3 for cable connections AES In 1 AES In 2 AES Out 1 AES Out 2 AES Out 3 AES Out 4 AES Out 5 AES Out 6 Not Used METAGAT Figure 3 Cable Connections for the R1 8420 and R2 8420 Rear Modules DED 8420 User Manual Iss 01 Installation and Setup e 2 3 2 4 e Installation and Setup DED 8420 User Manual Iss 01 User Controls In This Chapter This chapter contains a description of the DED 8420 user controls The following topics are discussed e DIP Switch Locations e DIP Switches e LEDs e Modes of Operation DED 8420 User Manual Iss 01 User Controls e 3 1 DIP Switch Locations Use the following discussions the card labeling and Figure 4 to set up the DIP Switches on the DED 8420 DIP Switches Figure 4 DIP Switches Location DIP Switches This section provides a brief summary of the DIP Switches of the DED 8420 Refer to Figure 4 for DIP Switch locations and Figure 5 for an example of the DIP Switches in the OFF Position th Figure 5 DIP Switch Positions Off DIP SW1 SW2 Mode Select SW and SW2 are used in combination to select the input source mode of the DED 8420 Table 1 lists the combinati
20. ional R1 8420 Rear Module for the DED 8420 DFR 8310 C frames DFR 8310 N Digital Products Frame and Power Supply with cooling fans and MFC 8310 N card 2RU holds up to 10 cards DFR 8320 CNS Digital Products Frame Power Supply Cooling Fans MFC 8310 N COMM I O Module and SNMP 8310 2RU holds up to 20 cards R2 8420 Full Rear Module for the DED 8420 DFR 8320 series frames Please contact your openGear sales representative for a complete list of the available options DED 8420 User Manual Iss 01 Ordering Information e 7 1 Notes 7 2 e Ordering Information DED 8420 User Manual Iss 01 Notes DED 8420 User Manual Iss 01 Ordering Information e 7 3 Contact Us Contact our friendly and professional support representatives for the following PHONE E MAIL POSTAL SERVICE Name and address of your local dealer Product information and pricing Technical support Upcoming trade show information General Business Office and Technical Support After Hours Support Fax General Information Technical Support Ross Video Limited Ross Video Incorporated Visit Us Please visit us at our website for Company information 613 e 652 e 4886 613 e 349 e 0006 613 e 652 e 4425 solutions rossvideo com techsupport rossvideo com 8 John Street Iroquois Ontario Canada KOE 1K0 P O Box 880 Ogdensburg New York USA 13669 0880 Related products and full product lines On line catalog Tra
21. ipment in which the DED 8420 operates Introduction e 1 3 1 4 e Introduction DED 8420 User Manual Iss 01 Installation and Setup In This Chapter This chapter contains the following sections e Static Discharge e Unpacking e Rear Module Installation Optional e Board Installation e BNC Labels e Cable Connections Static Discharge Whenever handling the DED 8420 and other related equipment please observe all static discharge precautions as described in the following note Static discharge can cause serious damage to sensitive A semiconductor devices Avoid handling circuit boards in high static environments such as carpeted areas and when wearing ESD synthetic fiber clothing Always exercise proper grounding Susceptibility precautions when working on circuit boards and related equipment Unpacking Unpack each DED 8420 you received from the shipping container and check the contents ensure that all items are included If any items are missing or damaged contact your sales representative or Ross Video directly DED 8420 User Manual Iss 01 Installation and Setup e 2 1 Rear Module Installation Optional The DED 8420 is compatible with the DFR 8310 and DFR 8320 series frames The procedure for installing the Rear Module in your openGear frame is the same regardless of the frame Rear Modules for the DED 8420 The Rear Module for the DED 8420 depends on the openGear frame you are installing the card into Note
22. ir Policy sees 6 2 DED 8420 User Manual Iss 01 Contents e i Ordering Information 7 1 DED 8420 and Related Droducts esses eene eene nennen entrent enn 7 1 ii e Contents DED 8420 User Manual Iss 01 Introduction In This Chapter This chapter contains the following sections A Word of Thanks Overview Functional Block Diagram Features Documentation Terms A Word of Thanks Congratulations on choosing the openGear DED 8420 Dolby E AC 3 Decoder The DED 8420 is part of a full line of Digital Products within the openGear Terminal Equipment family of products backed by Ross Video s experience in engineering and design expertise since 1974 You will be pleased at how easily your new DED 8420 fits into your overall working environment Equally pleasing is the product quality reliability and functionality Thank you for joining the group of worldwide satisfied Ross Video customers Should you have a question pertaining to the installation or operation of your DED 8420 please contact us at the numbers listed on the back cover of this manual Our technical support staff is always available for consultation training or service DED 8420 User Manual Iss 01 Introduction e 1 1 Overview The DED 8420 is a Dolby E AC 3 decoder with Sample Rate Conversion SRC designed for broadcast use The DED 8420 takes a Dolby encoded signal and breaks it down into discrete channels which are presented at it
23. nu options available through DashBoard Table 5 Configuration Menu Functions Menus items Parameters Description Single AES Input AESI Input is a Dolby signal Single AES Input AESI Input is a Dolby signal and AES2 Input is the w SRC M reference signal Card AESI Input is a Dolby signal Settings Program Mode Dual AES Input and AES2 Input is a PCM signal Both the AES Inputs have signal connected to them The vb d DED 8420 determines the P Dolby signal and routes it to the decoder AES Input 2 Rear Module Input 2 The card uses the AES2 Input Source signal as the reference The card uses Frame REF 1 Frame Ref 1 for the reference source 4 2 e Control and Monitoring DED 8420 User Manual Iss 01 CID E Frame Ref 2 The card uses Frame REF 2 for the reference source Disabled Disabled Disables this feature Dialnorm Standardizes the average Enabled loudness to 31dBFS Sets the downmix version to LtRt Left total Right total on AES Output 5 BNC 7 Sets the downmix version to Left only Right only on AES Output 5 BNC 7 Settings Saves the current card settings This is the default setting Downmix Type The DED 8420 requires an AES reference signal and not a Bi Level Sync or Tri Level Sync DED 8420 User Manual Iss 01 Control and Monitoring e 4 3 4 4 e Control and Monitoring DED 8420 User Manual Iss 01 Specifications In This Chapter This chapter includes the Tec
24. on of DIP Switch settings for SW1 and SW2 For a detailed summary of the modes refer to the section Modes of Operation Table 1 DIP SW1 and SW2 Settings Descriptions Sw2 e LSB Description 3 2 e User Controls DED 8420 User Manual Iss 01 DIP SW3 Downmix SW3 is used to select the Downmix version of the Dolby Digital data stream on AES Output 5 Set SW3 as follows e ON Selects a version that is stereo compatible Dolby Surround downmix or the multi channel source program Left total Right total Lt Rt e OFF Selects the Left only Right only Lo Ro stereo version This is the default setting DIP SW4 Dialnorm SWA is used to standardize the average loudness average over time by the formula LeqA to 3IdBFS by applying a shift in level based on the dialogue level parameter setting This setting only affects Dolby E signals Set SWA as follows e ON The feature is enabled e OFF The feature is disabled This is the default setting DIP SW5 SW6 AES2 Source Select SW5 and SW6 are used in combination to select the reference source for the AES Input 2 when SW1 and SW2 are both set to the OFF position Table 2 lists the combination of DIP Switch settings for SW5 and SW6 Table 2 DIP SW5 and SW6 Settings Descriptions ME LAS Description MSB LSB P DIP SW7 Default DIP Switch Memory SW T is used to enable or disable the parameters set by the DIP Switches on the DED 84
25. oss Technical Support Warranty and Repair Policy The DED 8420 is warranted to be free of any defect with respect to performance quality reliability and workmanship for a period of FIVE 5 years from the date of shipment from our factory In the event that your DED 8420 proves to be defective in any way during this warranty period Ross Video Limited reserves the right to repair or replace this piece of equipment with a unit of equal or superior performance characteristics Should you find that this DED 8420 has failed after your warranty period has expired we will repair your defective product should suitable replacement components be available You the owner will bear any labor and or part costs incurred in the repair or refurbishment of said equipment beyond the FIVE 5 year warranty period In no event shall Ross Video Limited be liable for direct indirect special incidental or consequential damages including loss of profits incurred by the use of this product Implied warranties are expressly limited to the duration of this warranty This User Manual provides all pertinent information for the safe installation and operation of your DED 8420 Ross Video policy dictates that all repairs to the DED 8420 are to be conducted only by an authorized Ross Video Limited factory representative Therefore any unauthorized attempt to repair this product by anyone other than an authorized Ross Video Limited factory representative will autom
26. rs Important Regulatory and Safety Notices Before using this product and any associated equipment refer to the Important Safety Instructions H listed below so as to avoid personnel injury and to prevent product damage Products may require specific equipment and or installation procedures be carried out to satisfy certain regulatory compliance requirements Notices have been included in this publication to call attention to these Specific requirements Symbol Meanings bb Wa 3 5 a gt CH D c n o 3 Z e A Qo D b i ESD Susceptibility This symbol on the equipment refers you to important operating and maintenance servicing instructions within the Product Manual Documentation Failure to heed this information may present a major risk of damage or injury to persons or equipment The symbol with the word Warning within the equipment manual indicates a potentially hazardous situation which if not avoided could result in death or serious injury The symbol with the word Caution within the equipment manual indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices The symbol with the word Notice within the equipment manual indicates a situation which if not avoided may result in major or minor equipment damage or a situation which could place the equipment in a non

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