MACKIE TT24 - Manual (Page 22)

Mackie TT24 Digital Live Console Owner’s Manual Addendum v1.7
22
Hardware Input: Mic/Line
Hardware Input: ADAT
Mic/Line: Choices 1 to 24.
ADAT: Choices 1 to 12 if the sample rate
is 88.2 or 96k, and 1 to 24 if the sample
rate is 44.1 or 48k.
See ADAT card notes on page 27 for
more details.