E-Mu 1616 Owner's Manual page 82

6 - Using High Sample Rates
Overview
At the 192kHz sample rate, you may choose one of these three options:
1. Keep all Analog I/O, but lose S/PDIF
2. Keep all Analog I/O, but lose ADAT
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3. Keep S/PDIF & ADAT, but lose
Line Inputs 2L/2R & Line Outputs 3L/3R
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