Tuner The Tuner enables you to tune your instrument easily and with accuracy. You can use it to tune any string instrument (4, 5 or 6 strings). First select your instrument from the list. It´s also possible for you to create a custom instrument, with alternate tunings, etc. Click on New and try it! After selecting your instrument, place it near the computer microphone, plug the mic in the computer Mic In (or the audio cable from the instrument) and start tuning. Play each string at a time. When you get the correct tuning, go to the other by clicking on Next or Previous or just click on the string whithin the virtual fretboard.s If you have problems configuring the software, try the Wizard.