ETC Cobalt Family v7.1.0 - Manual (Page 673)

Cobalt 7.1 - 20140612
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Scroller Fan override
In the Attribute setup (SETUP & ATTRIBUTE) it is possible to specify an Override value for all
Scroller Fans. If you set a value > 0%, this value will be used instead of the Fan values programmed in
the Scroller Roll. This is useful for making a temporary and absolute override of all fans, for example
during long rehearsals when heat is higher than during a performance.