RD-700NX: Controlling the Audio Playback Volume
Use the following procedure to control the audio file playback volume on your RD-700NX.
1. Press MENU so it lights.
2. Use the up and down arrow buttons to select "8.Utility."
3. Press ENTER.
4. Select "0.Song Function."
5. Press ENTER.
6. Cursor to select "Audio Volume."
7. Turn the VALUE dial to set the playback volume as desired.
Note: These settings can be saved/stored in as a User live set.