MA Digital Dimmer User Manual - 33333
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eMail: info@malighting.de . Tel.: + 49 9 31 49 79 40 . User's Manual Digital Dimmer
33333
1. Introduction
The MA DIGITAL DIMMER contains a 32 bit high power computer with a Time Processing Unit and a
big graphic display in a very solid housing. This extravagant technology offers new and exciting
possibilities:
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ease of operation due to few, clear menus
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free patching of the DMX addresses for every channel
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free programming of control curves
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internal storable memories with crossfade
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internal storable chase with crossfade
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stopping/failure of DMX signal can start a chase or call a memory
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possibility of cutting down the operation
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electronic fuse- and loadcheck
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overvoltage and overtemperature warning with switch off
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indication of incoming signals, phase voltage, memories, etc. by the LCD display
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several dimmers can be linked
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MIDI interface to call internal chase and memories
The MA DIGITAL DIMMER works with the phase angle control method with SCRs. This method
produces disturbance especially in the lower frequency range. This will be eliminated by using very
good interference suppression filters.
The heat production of the filters is reduced by using a new core material. The rest of the heat will be
blown out through the front panel by a powerful temperature controlled fan.
100% duty cycle is absolutely guaranteed.
The short circuit protection for each single channel is due to high quality Siemens magnetic circuit
breakers and SCRs with 1000 A peak current capacity.
Built-in DMX512, analogue input (0...10 Volt) and load outputs with a wide range of connectors allow
many different applications.