Explanation of how to replace the infrared wireless microphone of communication karaoke from BMB (WM-100) to Dai-ichi Kosho DAM (TDM-700) [Memorandum]

I replaced the infrared microphone of the communication karaoke from BMB (WM-100) to Daiichi Kosho (TDM-700). We will also explain in detail the receiver and microphone channel settings (frequency) and gain adjustments required to use two BMB microphones and two DAM microphones together.