Complex sentence: The lights were supplied with a Vari-Lite console which had 32 channels, five 1802 processors and a dramatic improvement of the first console which was very simple, had an external processing unit.
Split into simpler sentences: The lights were supplied with a Vari-Lite console which had 32 channels in each of five 1802 processors. This was a dramatic improvement of the first console which was very simple, with an external processing unit.