Reference; Basic Operation - Yamaha Portable Grand DGX-640 Owner's Manual

Basic Operation

Reference

Basic Operation
Overall DGX-640 control is based on the following simple operations.
3
Volume Adjustment
Adjusts the volume of the sound
heard via the instrument's speak-
ers or a pair of headphones plugged
into the PHONES jack.
1
Press a button to select a basic function.
Select a song you want to listen to or a song you want to use for a lesson.
34
Owner's Manual
1
Press a button to select a basic function.
2
Use the dial to select an item or value.
3
Start a function.
1
Start a function.
Rotate coun-
terclockwise
to lower the
volume.
Select an auto-accompaniment style.
Select a basic function.
Display (pages 36–37)
Rotate
clockwise to
increase the
volume.
Select a voice you want to play on the keyboard.
2
Select an item or value.