Yamaha PSR-S650 Reference Manual - Page 15

Style-Related Settings Muting Independent Style Parts Each "track" of a Style plays a different part of the Style-chord, bass, etc. You can mute individual tracks and play the muted part on the keyboard yourself, or simply mute tracks other than the ones you want to listen to. Use the [REGIST/PART [MIXER]] button to select the ACMP TR and use the STYLE PART [RHY 1]-[PHR 2] buttons to mute or un-mute the corresponding tracks. Each track button is lit in green when that track is not muted, and is unlit when the track is muted. Furthermore, the border around the track number in the display disappears when that track is muted. The bass part uses various appropriate instrument sounds to match the Style. These are the basic parts of the Style, containing the drum and percussion rhythm patterns. These are the rhythmic chord backing parts, commonly used with piano or guitar Voices. This part is used for sustained instruments such as strings, organ, choir, etc. These parts are used for punchy brass stabs, arpeggiated chords, and other extras that make the accompaniment more interesting. 1 Press the [REGIST/PART [MIXER]] button until the desired track is shown on the display. The following items are selected on the display when you press the [REGIST/ PART [MIXER]] button. "REGIST"  "ACMP. TR" REGIST ACMP. TR In this state, you can use eight buttons as the Style track buttons. 2 Press the desired Track button(s) to set the mute track(s). To cancel the mute, press the appropriate track button(s) again. No track number ... No data. Unlit ... Contains no data or is muted Lit in green ... Contains data and played Track number without border ... Track contains data but is muted. Track number with border ... Track contains data and is not muted. Reference Manual 15