Beyerdynamic Headzone Home Notice D'utilisation page 35

Rear view
Optical S/PDIF output
Optical S/PDIF input (to connect digital surround signals; e.g. DVD/Blu-ray player)
µ
"Input select" switch to select the optical or coaxial S/PDIF input
¸
Coaxial S/PDIF input (to connect digital surround signals; e.g. DVD/Blu-ray player)
¹
Connection for power supply, 5 V DC
Head tracker On / Off switch
Connection to connect HR 1 head tracking receiver
µ ¸ ¹
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