RD-700GX, RD-700GXF: Audio File Volume Control
Use the following procedure to control the volume of audio file playback on your RD-700GX:
1. Press EDIT so it is lit.
2. Use the CURSOR buttons to highlight SYSTEM.
3. Press ENTER.
4. Use the RIGHT CURSOR button 4 times to display "AUDIO VOLUME."
5. CURSOR down to select "AUDIO VOLUME" and use the INC/DEC buttons or the VALUE DIAL to set the desired volume.
6. Press the F1 button to write your settings to the SYSTEM memory.