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Rear view
Optical S/PDIF output
Optical S/PDIF input (to connect digital surround signals)
“Input select” switch to select the optical or coaxial S/PDIF input
Coaxial S/PDIF input (to connect digital surround signals)
Connection for power supply, 5 V DC
Head tracker On / Off switch
Important: In order to ensure a proper function, the Headtracker On/Off switch MUST
remain in the “Off” position permanently when using the MMX 300 headset.
Connection to connect HR 1 head tracking receiver (
only when using the DT 880 HT
headphone
)
