Different Channels When Recording in ReSpeaker 6-Mic Circular Array kit for Raspberry Pi

Hello. Sorry, I am new to this but can the captured sound for the specific microphones be set for a specific channel. For example, I know that the ReSpeaker 6-Mic Circular Array has 8 channels but the 2 are for playback, but is there a way where the specific microphone be set for the specific channel? The same problem with the 4-Mic Linear Array, when I do the recording, the channels keep changing. Thank you so much.