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6
YDP-121
B0
A0
G0
F0
E0
D0
C0
B-1
A-1
C1 D1 E1 F1 G1 A1 B1 C2 D2 E2 F2 G2 A2 B2 C3 D3 E3 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4 B4 C5 D5 E5
MASTER VOLUME
MAX
MIN
ROOM
HALL 1
HALL 2
STAGE
HARD
MEDIUM
SOFT
FUNCTION
2
TRACK
START/
STOP
REC
SONG
SELECT
–/NO
+/YES
SONG
FUNCTION
TEMPO
1
METRO-
NOME
VARIATION
PIPE
ORGAN
STRINGS
HARPSI-
CHORD
E. PIANO
GRAND
PIANO
TOUCH
REVERB
TRANSPOSE
DEMO
MASTER VOLUME
MAX
MIN
DEMO
TRANSPOSE
REVERB
ROOM
HALL1
HALL2
STAGE
TOUCH
HARD
MEDIUM
SOFT
GRAND
PIANO
E.PIANO
HARPSI-
CHORD
STRINGS
PIPE
ORGAN
VARIATION
2
3
4
5
6
7
%
The Control Panel
1
[POWER] Switch
Press the [POWER] switch once to turn the
power ON, a second time to turn the power OFF.
When the power is initially turned ON, a voice
selector LED will light, and the power indicator
located below the left end of the keyboard will light.
2
[MASTER VOLUME] Control
The [MASTER VOLUME] control adjusts the
volume (level) of sound produced by the YDP-121’s
internal stereo sound system. The [MASTER
VOLUME] control also adjusts headphone volume
when a pair of headphones is plugged into the
PHONES jack.
3
[DEMO] Button
Activates the demo playback mode in which you
can select playback of different demonstration
sequences for each of the YDP-121’s voices. See
page 10 for details.
4
[TRANSPOSE] Button
The [TRANSPOSE] button allows access to the
YDP-121’s TRANSPOSE function (to shift the pitch
of the entire keyboard up or down in semitone
intervals).
5
[REVERB] Button
The [REVERB] button selects a number of
digital reverb effects that you can use for extra depth
and expressive power. See page 15 for details.
6
[TOUCH] Button
The [TOUCH] button makes it easy to adjust the
touch response of the YDP-121 to match your
playing style. See page 17 for details.
7
Voice Selectors & [VARIATION] Button
Simply press any of the voice selectors to select
the corresponding voice. The voice selector LED
will light to indicate which voice is currently se-
lected. Press the [VARIATION] button so that its
indicator lights to select a variation of the currently
selected voice.
PHONES Jacks (Bottom panel)
Tuning keys (See page 18)
4