Dolby E Tri-Level Sync Interface Model DP579 Issue 2 MAIN Part Number 91757
Model DP579 Dolby Tri-Level Sync Interface Dolby Laboratories, Inc. Corporate Headquarters Dolby Laboratories, Inc. 100 Potrero Avenue San Francisco, CA 94103-4813 Tel 415-558-0200 Fax 415-863-1373 www.dolby.com European Headquarters Dolby Laboratories Wootton Bassett Wiltshire, SN4 8QJ, England Tel (44) 1793-842100 Fax (44) 1793-842101 WARNING: Check that the correct fuses have been installed. To reduce the risk of fire, replace the fuses only with the same type and rating.
Model DP579 Dolby Tri-Level Sync Interface Contents List of Figures ..................................................................................i v List of Tables ...................................................................................i v Regulatory Notices and Fuse Information .......................................... v 1 Introduction ............................................................................ 1 1.1 Dolby Black ...........................................................
Model DP579 Dolby Tri-Level Sync Interface List of Figures 1 2 3 4 5 Vertical Rack Mounting............................................................. 3 Tandem Horizontal Rack Mounting with Cat. No. 546 ................. 4 Model DP579 Rear Panel ......................................................... 4 DP579 Wiring Example ............................................................ 5 Model DP579 Front Panel.........................................................
Model DP579 Dolby Tri-Level Sync Interface Regulatory Notices and Fuse Information FCC This equipment 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.
Model DP579 Dolby Tri-Level Sync Interface The core that is coloured blue must be connected to the terminal that is marked with the letter N or coloured black. The core that is coloured brown must be connected to the terminal that is marked with the letter L or coloured red. This apparatus must be earthed. EU This equipment complies with the EMC requirements of EN55103-1 and EN55103-2 when operated in an E2 environment in accordance with this manual.
Model DP579 Dolby Tri-Level Sync Interface WICHTIGER SICHERHEITSHINWEIS Dieses Gerät entspricht der Sicherheitsnorm EN60065. Das Gerät darf nicht mit Füssigkeiten (Spritzwasser usw.) in Berührung kommen; stellen Sie keine Gefäße, z.B. Kaffeetassen, auf das Gerät. Für das sichere Funktionieren des Gerätes und zur Unfallverhütung (elektrischer Schlag, Feuer) sind die folgenden Regeln unbedingt einzuhalten: • Der Spannungswähler muß auf Ihre Netzspannung eingestellt sein.
Model DP579 Dolby Tri-Level Sync Interface VIKTIGA SÄKERHETSÅTGÄRDER! Denna enhet uppfyller säkerhetsstandard EN60065. Enheten får ej utsättas för yttre åverkan samt föremål innehållande vätska, såsom kaffemuggar, får ej placeras på utrustningen." För att garantera säkerheten och gardera mot eventuell elchock eller brandrisk, måste följande observeras: • Kontrollera att spänningsväljaren är inställd på korrekt nätspänning.
Model DP579 Dolby Tri-Level Sync Interface WARNING: The power to the unit must be off when the following steps are performed. Ensure that the main power cable to the unit is not connected to a power source. 1. Open the fuse compartment door in the AC power input housing with a small flat-blade screwdriver. Carefully pull out the fuse holder. Fuse Holder Fuse Checking or Replacing the Main Fuse 2. Check that the fuse has the correct rating.
MAIN
Model DP579 Dolby Tri-Level Sync Interface 1 Introduction Postproduction is migrating towards 24-frame acquisition and storage to give high quality and flexibility across multiple delivery formats. The DP579 Dolby E Tri-Level Sync Interface allows high-quality Dolby E multichannel audio and metadata to be stored on these 24-frame systems using the DP571 and DP572 Dolby E encoder and decoder. Applications for the DP579 include DTV postproduction, electronic cinema, telecine, and archiving.
Model DP579 Dolby Tri-Level Sync Interface 1.2 Product Compatibility Use of the DP579 at any rate other than standard NTSC or PAL requires a DP571 and/or DP572 running software version 2.0.0.0 or later and a DP570 running software version 1.0.8.6 or later. The DP579 is shipped with appropriate DP571 and DP572 software, which should be loaded if an earlier version is currently installed.
Model DP579 Dolby Tri-Level Sync Interface 2 Setting Up 2.1 Rack Mounting The DP579 is 1-U high, and approximately one-half the width of a standard rack. A mounting bracket is included that allows the unit to be mounted vertically inside a standard rack. Alternatively, two units can be mounted together horizontally using the optional Cat. No. 546 Rack Mount Kit. Figure 1 Vertical Rack Mounting To mount the DP579 vertically, remove the two chassis screws nearest the front panel.
Model DP579 Dolby Tri-Level Sync Interface Figure 2 Tandem Horizontal Rack Mounting with Cat. No. 546 To mount one or two units horizontally in a 1-U space, remove the two chassis screws nearest the front panel and the center screw near the rear panel. Use those same screws to secure the DP579 to the Cat. No. 546 Rack Mount Kit tray. Assemble the rack-mount front panel to the tray with the supplied screws and hex key. See Figure 2. 2.
Model DP579 Dolby Tri-Level Sync Interface 2.2.2 Input Two female BNC connectors on the rear panel are provided for video reference input with a loop-through output. It is important that the video reference signal is terminated correctly. A 75Ω terminator is supplied in the DP579 packing kit for this purpose. 2.2.3 Dolby Black Two female BNC connectors on the rear panel provide electrically independent Dolby Black signals on Output 1 and Output 2. 2.
Model DP579 Dolby Tri-Level Sync Interface The DP579 can be permanently connected to the Dolby E encoder and decoder as it will detect standard black and burst reference signals, and pass them directly through to the output connectors. The DP571 Dolby E Encoder will need to be configured to the video frame rate present at the DP579 input. This setting is made in the Operating Mode/Frame Rate setup menu. The DP572 Dolby E Decoder will automatically detect the appropriate frame rate from the DP579.
Model DP579 Dolby Tri-Level Sync Interface 3 Operation The DP579 converts a tri-level video reference at its input into Dolby Black, while preserving the input frame rate. No user intervention is required. Table 1 summarizes the picture formats and the corresponding frame rates that the DP579 will accept and support. SMPTE 274M specifies these formats in detail. If an analog composite NTSC (29.
Model DP579 Dolby Tri-Level Sync Interface 4 Front-Panel Indicators D Figure 5 Model DP579 Front Panel 4.1 Power The Power LED will light whenever AC power is present. 4.2 V-Ref Indicators One of the following status LEDs will light if a suitable video reference signal is detected. 4.2.1 Tri-Level The Tri-Level LED indicates that a tri-level video input signal, in a format supported by the DP579, has been detected (see Table 1). 4.2.
Model DP579 Dolby Tri-Level Sync Interface 4.4 Error If neither tri-level nor composite video is detected, the Error LED will light.
Model DP579 Dolby Tri-Level Sync Interface 5 Specifications 5.1 Electrical Specifications Video Reference Input Dolby Black Outputs Power Requirements Power Consumption 5.2 5W typical; 9W maximum Temperature and Humidity Specifications Operating Non-Operating (Storage) Humidity 5.
