DIP Switch Position
Pin 1
Pin 2
Only 1 pair can be selected to audio output and only HDMI output 1 supports such a
function. Keep only one pin of DIP switch ON position at all times.
For firmware update, there are 2 paths for updating new firmware, and each path is
responsible for different components. USB port is designed for HDMI related chipset
control and RS-232 port is mainly for the IR, RS232 and control flow.
DIP SWITCH
Pin 3
Pin 4
Description
Select the 1st pair of multi-channel audio
Select the 2nd pair of multi-channel audio
Select the 3rd pair of multi-channel audio
Select the 4th pair of multi-channel audio
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