JTE Pixiline 55 channel

Hi,
More of a fixture than console question.
I need to Patch some James Thomas 1044 fixtures in what I am told is
55 channel Mode.

So I am presume I patch
18 x 1044 MAX 1 cells per fixture which gives me 54 channels but the festival is telling me I need to also patch a single Global Master on channel DMX 55.
Is this a generic Desk channel or a fixture profile for the 1044 fixtures that gives me the global intensity on channel 55?
I can see the MAX 1 effects in the library options but this is 7 DMX channels.

Regards C
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