X 810 Instruktsiia - Open Box

Features an S/PDIF optical output for digital audio or Dolby AC-3 bitstreams.

Used for software updates and data transfer between PC and receiver. open box x 810 instruktsiia

Dedicated port for controlling external switches and converters. Openbox X810 Satellite Receiver Guide | PDF - Scribd Features an S/PDIF optical output for digital audio