Usually people use Magix Rescue your Vinyl and Tapes software in digitalizing vinyl records but if you are using Music maker to record your record from output source you should check settings in computer's Control Panel click on speaker icon and check Play and Record if you use Line in or Mic for recording. After that in Music Maker click "R" it will open Audio recording window check settings.

Please refer pdf for more help you will find images to understand easily.

http://www.magix.info/us/how-to-connect-microphone-for-recording.online-training.154378.html

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