Bottom side
DIP Switch positions
DIP Switch 1
: Sound level IN1 auto detect enable
ON: IN1 input automatically activates by sound level => 15mw or trigger pin4
OFF: IN1 input can be enabled only by voltage level =>5v on trigger pin4
DIP Switch 2
:
Signal priority IN1 vs. SPDIF/TOSLINK INPUT
ON: IN1 have priority over SPDIF/TOSLINK INPUT
OFF: SPDIF/TOSLINK INPUT has priority over IN1
DIP Switch 3
: SPDIF/TOSLINK INPUT enable
ON: SPDIF/TOSLINK INPUT enabled
OFF: SPDIF/TOSLINK INPUT disabled
DIP Switch 4
:
ON: Enable noise reduction on older B&O systems
OFF: Disable noise reduction.