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BM-‐AV2-‐16SHD

2012

Version 1.0

Page 1

BM-AV2-16SHD

16 Channel Digital Audio Monitor

User’s Guide

Version 1.0 18/12/2012

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Содержание BM-AV2-16SHD

Страница 1: ...BM AV2 16SHD 2012 Version 1 0 Page 1 BM AV2 16SHD 16 Channel Digital Audio Monitor User s Guide Version 1 0 18 12 2012 ...

Страница 2: ...heless supplied for information purposes only and does not constitute any form of warranty or guarantee All trademarks acknowledged The information in this document is subject to change without notice Bel Digital Audio Ltd Unit 3 Horwood Court Bletchley Milton Keynes Bucks MK1 1RD United Kingdom Tel 44 0 1908 641063 Email info beldigital com Web www beldigital com ...

Страница 3: ...nputs Error Bookmark not defined Using the PROGRAM switch 7 The Dolby mix down Error Bookmark not defined Independent mode Error Bookmark not defined Directing sources to speakers 7 Rear panel inputs 8 Rear panel outputs 8 Menu 9 Top level menu page 9 Line level output adjustment 11 Analogue output level 12 Dolby Information Error Bookmark not defined Installation 13 Analogue audio inputs and outp...

Страница 4: ...r bargraphs are provided with user selectable ballistics and colour break points Up to sixteen PCM audio inputs or eight Dolby decoded audio inputs can be selected individually or mixed and directed to each speaker Bargraph meters are arranged in four groups of four the left hand groups handle inputs 1 to 8 and the right hand groups handle input 9 to 16 Stick on graticule scales which may be appli...

Страница 5: ...nputs with loop through Dolby Digital or Dolby E decoder Dolby mix down program select switch Custom channel mix downs for de embedded audio channels and Dolby independent mode Four groups of four tri colour bargraphs with selectable meter types ballistics colour transition points Analogue line output and 8 analogue audio outputs eight pairs of AES outputs Audio Video status display Headphone conn...

Страница 6: ... output Pressing the end of this control will centre the audio output Dolby pair select This control has no function Mode select This control will set the way in which the monitor will treat the incoming audio The PCM position will treat the current audio input as straight PCM encoding and reproduce it unprocessed on the 16 available channels Other positions will have no function as they are Dolby...

Страница 7: ...atures that are not implemented in the BM AV2 16SHD If any of the other modes are selected then the output will mute Directing sources to speakers Where more than two audio signals are present it may be useful to direct and combine sources to selected speakers The left speaker is indicated by a red LED and the right by a green LED on the top of the bargraphs To direct a particular source to the le...

Страница 8: ...lable The audio carried on the AES outputs are derived from the currently selected input source analogue AES or SDI In effect these audio outputs are a copy of the signals shown on the unit s bargraphs The analogue outputs are derived from the lower 8 inputs Ch1 8 They can thus be a copy of the AES inputs two of the currently demuxed SDI groups or the eight decoded Dolby signals Two line outputs a...

Страница 9: ...ly pressing the buttons under the bargraphs 15 and 16 will completely exit the menu The characteristics that can be adjusted in the menu are shown below Top level menu page The top level of the menu carries the main areas of operation of the BM AV2 16SHD that can be adjusted 1 Level meters This section allows access to the bargraph colour break points and ballistics 2 Line levels The line output l...

Страница 10: ...bargraph changes from amber to red can be adjusted here Bargraph 16 is forced to full scale to allow easy control of the colour transitions 3 Ballistics The scales and dynamics of the bargraphs can be selected here The options are AES DIN VU and BBC The appropriate scales should be affixed to the front panel 4 Analogue offset When an analogue input is selected and the bargraph ballistics are AES t...

Страница 11: ...ear panel The level of these can be adjusted from this menu 1 Line level The line output level can be fixed or controlled by the front panel volume control and this can be selected here 2 Fixed line level When fixed output level is selected its level can be adjusted here 3 Line mute The line outputs can be muted here or the mute can be slaved to the front panel volume control ...

Страница 12: ...control The analogue output level can be fixed or controlled by the front panel volume control from here 2 Fixed analogue output level When fixed analogue output level is selected its level can be adjusted here 3 Analogue output mute The analogue outputs can be muted here or the mute can be slaved to the front panel volume control Dolby Information The firmware version of the Dolby decoder card an...

Страница 13: ...BM AV2 16SHD 2012 Version 1 0 Page 13 Installation The BM AV2 16SHD is designed to be installed in 19 inch bays on an equipment tray Ventilation is by natural convection ...

Страница 14: ...1 0 Page 14 Analogue audio inputs and outputs Pi n 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Description A 1 A 1 GND A 2 A 2 GND A 3 A 3 GND A 4 A 4 GND GND GND A 5 A 5 GND A 6 A 6 GND A 7 A 7 GND A 8 A 8 ...

Страница 15: ...nalogue 8 differential audio channels level adjustable 25 way D connector Line output Copy of speaker outputs level adjustable on 2 x XLR3M connectors Analogue noise Noise THD 108 dB w r t clipping Analogue frequency response 20 Hz to 20 kHz 1dB Video inputs Video format SDI SD HD or 3G Video output 1 SDI active loop through BNC connector Main drive amp Noise THD 80dB w r t maximum output Speaker ...

Страница 16: ...k 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 Attack time 300 mSec Fallback 300 mSec AES EBU Overall dynamic range 60 dB 0 to 60 dB Attack time 1 mSec Fallback 1 5 Sec per 20 dB decay Dimensions 19 Rack Mount 2U high Outline Dimensions 483 mm W x 256 mm D x 89 mm H Outline Dimensions 19 inch W x 10 inch D x 3 5 inch H Environmen...

Страница 17: ...BM AV2 16SHD 2012 Version 1 0 Page 17 ...

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