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BEL DIGITAL AUDIO  

 

BMA1-2SHD 

 2006 BEL Digital Audio Ltd. 

16

 
 
 
EMC COMPLIANCE  
The BMA1-2SHD was designed and tested to comply with the EMC directive 
numbers EN55103, EN55022, EN55082-1 and EN60950 when used as 
directed. 
 

 

 
Please ensure that wherever possible a 1U space is provided above and 
below the Bel BMA1-2SHD to ensure that the unit is properly ventilated, 
unless forced air-cooling is employed in the rack. 

 

 
 

Summary of Contents for BMA1-2SHD

Page 1: ...BMA1 2SHD HD SD audio monitor User s Guide Version 1 0 20 07 06 ...

Page 2: ...ment which is nevertheless 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 MK11RD Tel 01908 641063 Email info beldigital com Web www beldigital com ...

Page 3: ...d 3 C Co on nt te en nt ts s Contents 3 Introduction 4 Main features 4 Operation 5 Selecting sources 5 Installation 7 Adjusting audio monitor output level 8 Inserting bargraph graticules 12 BMA1 2SHD Front panel 13 BMA1 2SHD Rear panel 13 Specification 14 ...

Page 4: ...ssible and direct these to the speakers The same signal is available as a line level audio monitor output M Ma ai in n f fe ea at tu ur re es s 2 x HD SD auto detect SDI inputs 2 x loop through outputs High quality high SPL audio reproduction with bass speaker and soft limiting 2 x tri color bargraphs with six standard scales and ballistics adjustable colour transition points and peak hold facilit...

Page 5: ...ar panel 2 SDI BNC inputs 2 SDI BNC loop through outputs and a pair of analogue line outputs on XLR sockets An IEC mains inlet fuse and off on switch module is also on the rear panel S Se el le ec ct ti in ng g s so ou ur rc ce es s Two SDI SD HD auto detecting inputs are available The required input can be selected by using the input switch on the front panel One pair of audio signals from the 16...

Page 6: ...l switches BMA1 2SHD scale ballistics Stick on scale graticules which may be applied to the space between the front panel bargraphs are supplied with the unit note Bargraph color transition points and peak hold decay may also be adjusted internally Refer to the Configuration chapter for switch settings and graticule fitting instructions ...

Page 7: ...7mm depth including typical cable and connector depth The dimensions of the BMA1 2SHD are 483x283x44 3 Its weight is 5kg and the max power dissipated is 60 W Ventilation is by natural convection and there are vents at each side and on the top and bottom covers of the unit Frames may be installed into bays providing airflow through these vents is not impeded ...

Page 8: ...tal Audio Ltd 8 A Ad dj ju us st ti in ng g a au ud di io o m mo on ni it to or r o ou ut tp pu ut t l le ev ve el l In the following tables ON is obtained with a switch lever in the DOWN position The adjustments are located on the main board ...

Page 9: ...BEL DIGITAL AUDIO BMA1 2SHD 2006 BEL Digital Audio Ltd 9 ...

Page 10: ...ber and green Up to 25 of the top most segments may be colored red Up to 25 segments from the end of the red zone downward may be colored amber and the remaining segments if any are always green Choosing how many segments are colored red from the top of the bargraph sets the red zone Select from none to 25 using SW2 2 SW2 1 SW6 8 SW6 7 and SW6 6 as follows ...

Page 11: ...L AUDIO BMA1 2SHD 2006 BEL Digital Audio Ltd 11 Choosing how many segments are colored amber from the end of red zone sets the amber zone Select from none to 25 using SW6 5 SW6 4 SW6 3 SW6 2 and SW6 1 as follows ...

Page 12: ...BEL DIGITAL AUDIO BMA1 2SHD 2006 BEL Digital Audio Ltd 12 I In ns se er rt ti in ng g b ba ar rg gr ra ap ph h g gr ra at ti ic cu ul le es s ...

Page 13: ...BEL DIGITAL AUDIO BMA1 2SHD 2006 BEL Digital Audio Ltd 13 B B M M A A 1 1 2 2 S S H H D D F F r r o o n n t t p p a a n n e e l l B B M M A A 1 1 2 2 S S H H D D R R e e a a r r p p a a n n e e l l ...

Page 14: ...1 001 1080p 25 1080p 24 24 1 001 720p 60 60 1 001 720p 30 30 1 001 720p 50 720p 25 720p 24 24 1 001 Analog monitor outputs Max output level Noise THD 105dB Frequency response Analogue outputs 20 Hz to 20kHz 1dB Main drive amps Noise THD 80dB w r t maximum output Speaker driver units Total peak acoustic level 2ft 100dB SPL Shielding Magnetic Meters Level meters 2 x hi resolution tri color bargraphs...

Page 15: ...c Fallback 2 85Sec from mark 7 to mark 1 VU Overall dynamic range 23dB 3 to 20dB Attack time 300mSec Fallback 300mSec VU EXT Overall dynamic range 80dB 20 to 60dB Attack time 300mSec Fallback 300mSec AES EBU Overall dynamic range 60dB 0 to 60dB Attack time 1mSec Fallback 1 5Sec per 20dB decay Housing 19 Rack Mount 1U high Outline Dimensions 483mm W x 283mm D x 44 3mm H 19inch W x 11 1inch D x 1 75...

Page 16: ...and tested to comply with the EMC directive numbers EN55103 EN55022 EN55082 1 and EN60950 when used as directed Please ensure that wherever possible a 1U space is provided above and below the Bel BMA1 2SHD to ensure that the unit is properly ventilated unless forced air cooling is employed in the rack ...

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