Casio DG-20 Player's Manual page 4

Overall View
© Power Switch
Used to turn power ON and OFF.
©
Main Volume Control
Used to control volume of guitar
sounds.
(
3
)
Rhythm Volume Control
Used to control volume of rhythm
sounds.
(
4
)
Speaker
High performance 12cm (43/4 inch)
built-in speaker.
(5 Mute Key
Used to mute sound during
performance.
@ Start/Stop Key
Used to start and stop selected
auto-rhythm.
© Synchro/Fill-in Key
Used to select Synchro introduction
or insert fill-ins in auto-rhythm
Performance. When pressed,
Tempo Indicator (©) flashes
selected tempo. When a string is
played, the auto-rhythm begins
automatically, in synchronization
(from 1 st beat). When pressed
during auto-rhythm performance,
an appropriate fill-in is inserted in
the rhythm pattern.
Press the Synchro/fill-in once
more to cancel the synchro start
mode.
(§) Drum Pads
When these pads are tapped,
corresponding drum sounds are
output.
Performances Using
Auto-Rhythm and
Drum Pads
When drum pads are tapped
during auto-rhythm performance,
the auto-rhythm automatically stops
(allowing a manual fill-in). The
rhythm then starts again from the
beginning of the next measure.
While the rhythm is stopped, the
Tempo Indicator flashes out each
beat, acting as a metronome.
3