Cary Audio Design Cinema 12 Owner's Manual page 56

SETUP MENU
digital Toslink, "NOT AVAILABLE" will appear for this input as you
cannot set the analog in level of an input set to digital.
7. Press the button on the remote when you have made a selection.
Repeat steps 6 and 7 for INPUT 2, INPUT 3, INPUT 4, INPUT 5, INPUT 6,
INPUT 7 and INPUT 8.
8. When you have finished setting the analog input level for all of the analog inputs
within your system, press the
OK to return to the previous "SETUP MENU" to continue through the system
setup process, or simply press the SETUP button to exit the "SETUP MENU"
completely.
button on the remote to select BACK, then press
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