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Where more than 5 1 2 dimmers are required, it will be necessary to use
two or more DMX lines. In this case, treat the DMX start address numbering as a number within the DMX range (1-512) of each DMX line, and
number the rack mcbs with the actual circuit numbers.
For exam p le, a rack starting w i t h dimmer 721 might b e labelled
721-756, but have a start address of 2 0 9 (dimmer 209 in DMX stream
2).
Testing dimmers with D
W i t h DMX received and addresses set, check that each dimmer is
responding correctly to its D W control signal by bringing up each DMX
output in turn from the console and checking the level indicator LED (modular SmartRacks only) and the actual dimmer output. For this there is no real
substitute for going round the installation with a known good light and
plugging it into each of the (tested) sockets in turn.
6.8. Dimmer profiles
6.8.1. What is a profile?
A dimmer profile is a table of dimmer output levels corresponding to DMX
input levels. Using different profiles allows different types of load to be
connected to the outputs of the SmartRack, and achieve consistent fade
results or safe nondim operation.
SmartRack is shipped with the factory default IES Square Law profile set
for all dimmers, which results in linear light output in relation to DMX control input, for most types of filament lamps. In most cases there will be no
need to alter this default setting.
The table overleaf shows SmartRack's range of dimmer profile settings,
which may be applied to all or individual dimmers:
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