Digital DC Protection
ON, OFF, Filter. Default: Filter. ON detects DC in the source signal and mutes the corresponding
analog output if DC is found too high. DC detection stays active with OFF but only issues a
different warning message. Filter adds a High Pass to remove DC and infrasound.
这个警告是 数字音频检测道DC 过高 你可以调低音量 或 把这个配置改为 filter 试试