BEL BM-AV2-16SHD User Manual

16 channel digital audio monitor

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BM-­‐AV2-­‐16SHD  
2012
 
BM-AV2-16SHD
16 Channel Digital Audio Monitor
User's Guide
Version 1.0 18/12/2012
Version   1 .0  
Page   1  

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Summary of Contents for BEL BM-AV2-16SHD

  • Page 1 BM-­‐AV2-­‐16SHD   2012   BM-AV2-16SHD 16 Channel Digital Audio Monitor User’s Guide Version 1.0 18/12/2012 Version   1 .0   Page   1  ...
  • Page 2 BM-­‐AV2-­‐16SHD   2012   BEL (Digital Audio) Ltd., has made every effort to ensure the accuracy of information contained within this document, which is nevertheless supplied for information purposes only and does not constitute any form of warranty or guarantee.
  • Page 3: Table Of Contents

    BM-­‐AV2-­‐16SHD   2012   Contents       Introduction   ............................  4   Main   f eatures  ............................  5   Front   p anel   c ontrols  ..........................  6   Operation   ..............................  7   Selecting   s ources   ..........................  7  ...
  • Page 4: Introduction

    Introduction       The BM-AV2-16SHD is a 2U high-quality sixteen-channel video/audio monitor with an integral Dolby® decoder. The unit accepts audio from any one of eight AES input pairs, eight analogue inputs or one of two SDI inputs and produces eight pairs of AES outputs and eight analogue outputs.
  • Page 5: Main   F Eatures

    BM-­‐AV2-­‐16SHD   2012   Main   f eatures     4” video monitor. Eight pairs of unbalanced (BNC) digital audio (AES) inputs. Eight balanced analogue inputs (Dsub) and two balanced analogue inputs (XLR). Two auto-sensing SD/HD/3G inputs with loop-through. Dolby®...
  • Page 6: Front   P Anel   C Ontrols

    BM-­‐AV2-­‐16SHD   2012   Front   p anel   c ontrols   Volume The volume of the speaker and headphone output can be adjusted using this control. It can also be set to adjust analogue and line output level from the menu. Pressing the end of the control will mute the speaker audio.
  • Page 7: Operation

    Using   t he   P ROGRAM   s witch     Keep the switch in the PCM position as the other modes only relate to Dolby features that are not implemented in the BM-AV2-16SHD. If any of the other modes are selected then the output will mute.
  • Page 8: Rear   P Anel   I Nputs

    SDI inputs are provided. Rear   p anel   o utputs     The BM-AV2-16SHD provides both digital and analogue audio outputs on the rear panel. Eight differential analogue outputs on a 25 way ‘D’ type connector and eight pairs of AES3 on BNC connectors are available.
  • Page 9: Menu

    The characteristics that can be adjusted in the menu are shown below. Top   l evel   m enu   p age   The top level of the menu carries the main areas of operation of the BM-AV2-16SHD that can be adjusted.
  • Page 10 BM-­‐AV2-­‐16SHD   2012   Level   M eter   A djustment   Various aspects of the audio level indication can be adjusted here. 1. Amber threshold - The point at which the bargraph changes from green to amber can be adjusted here.
  • Page 11: Line   L Evel   O Utput   A Djustment

    BM-­‐AV2-­‐16SHD   2012   Line   l evel   o utput   a djustment   The audio currently selected for the two front panel speakers is also available on two XLR connectors on the rear panel. The level of these can be adjusted from this menu. 1.
  • Page 12: Analogue   O Utput   L Evel

    BM-­‐AV2-­‐16SHD   2012   Analogue   o utput   l evel   The audio currently showing on the lower 8 bargraphs (1-8) are directed to 8 analogue outputs on a 25-way ‘D’ connector on the rear panel. The level of these can be adjusted here.
  • Page 13: Installation

    BM-­‐AV2-­‐16SHD   2012     Installation     The BM-AV2-16SHD is designed to be installed in 19 inch bays on an equipment tray. Ventilation is by natural convection. Version   1 .0   Page   1 3  ...
  • Page 14: Analogue   A Udio   I Nputs   A Nd   O Utputs

    BM-­‐AV2-­‐16SHD   2012   Analogue   a udio   i nputs   a nd   o utputs     Description A 1+ A 1- A 2+ A 2- A 3+ A 3- A 4+ A 4- A 5+ A 5- A 6+ A 6- A 7+...
  • Page 15: Specifications

    BM-­‐AV2-­‐16SHD   2012   Specifications     Audio inputs Digital AES3-id 8 x 75 ohm (BNC connector) Sample rate 44.1/48 kHz. Analogue 8 differential (25-way ‘D’ connector). Clipping +15 dB Audio outputs Digital AES3-id 8 x 75 ohm (BNC connector) sample rate 48 kHz. Analogue 8 differential audio channels, level adjustable (25-way ‘D’...
  • Page 16 BM-­‐AV2-­‐16SHD   2012   Meters 16 tri-colour LED bargraphs with adjustable colour break points and ballistics. DIN PPM: Overall dynamic range: 55 dB (+5 to -50 dB) Attack time: 10 mSec Fallback: 1.5 Sec per 20 dB decay BBC PPM: Overall dynamic range: (+12 to-12 dB from mark 7 to mark 1) Attack time: 10 mSec Fallback: 2.85 Sec (from mark 7 to mark 1) VU: Overall dynamic range: 23 dB (+3 to -20 dB)
  • Page 17: Version   1 .0   Page

    BM-­‐AV2-­‐16SHD   2012   Version   1 .0   Page   1 7  ...

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