Turtle Beach Riviera User's Guide - Page 24

The S/PDIF Pull-down menu lets you select the following S/PDIF output modes:  S/PDIF Out Off: S/PDIF output is turned off, so there is no digital signal. Note that whenever S/PDIF is turned on, a red light will be emitted from the S/PDIF output on the rear bracket.  S/PDIF Out 44.1kHz: Digital audio is transmitted in S/PDIF format at 44.1kHz sample rate.  S/PDIF Out 48kHz: Digital audio is transmitted in S/PDIF format at 48kHz sample rate. 'SPEAKER MIX TUNED FOR' DROP-DOWN MENU (VISTA/7 ONLY) When Speaker Positioning is enabled in Vista/7, this menu allows you to "mix and match" the number of input and output channels. For more information about this, please refer to the "Speaker Positioning & Multi-Speaker settings under Vista/7" section of this manual. User's Guide 20