Input Quantize Command When Input Quantize is enabled in the Event Operations window, all recorded MIDI notes are quantized automatically. Event Operations window, Input Quantize Use Input Quantize for drum machine style loop recording (see Loop Recording in MIDI Merge Mode). To enable Input Quantize: 1 Choose Event > Event Operations > Input Quantize. 2 In the Input Quantize page, select Enable Input Quantize. 3 Configure the other options in the Input Quantize page. (For more information on the Quantize options, see Quantize Command.) 4 When finished, close the Event Operations window.