Yamaha P-125a 88-key Weighted Action Digital Piano Installation Guide

P-125a 88-Key Weighted Action Digital Piano

Product Information

The product is a digital piano with various features and
settings.

• Song Playback: The piano has 50 preset songs
  loaded from the computer, including classical music masterpieces.
  Users can select a song number to play.
• Voice Settings: Users can adjust reverb type,
  reverb damper, stereophonic depth, resonance optimizer, balance
  between voice 1 and voice 2, octave setting, and touch
  sensitivity.
• Metronome Settings: Users can adjust metronome
  volume, tempo, and beat. There are various beat options
  available.
• Rhythm Settings: Users can adjust rhythm
  volume, tempo, bass, intro/ending, and rhythm type. There are
  various rhythm types available.
• Other Settings: Users can adjust operation
  confirmation and sounds.

Product Usage Instructions

1. Turn on the piano and wait for it to start up.
2. Select a song number to play using the corresponding keys on
   the control panel.
3. Adjust voice settings as desired by holding down the button on
   the control panel and pressing the corresponding keys for reverb
   type, reverb damper, stereophonic depth, resonance optimizer,
   balance between voice 1 and voice 2, octave setting, and touch
   sensitivity.
4. Adjust metronome settings as desired by holding down the button
   on the control panel and pressing the corresponding keys for
   metronome volume, tempo, and beat.
5. Adjust rhythm settings as desired by holding down the button on
   the control panel and pressing the corresponding keys for rhythm
   volume, tempo, bass, intro/ending, and rhythm type.
6. Adjust other settings as desired by holding down the button on
   the control panel and pressing the corresponding keys for operation
   confirmation and sounds.
7. Play the piano using the keys as desired.
8. Turn off the piano when finished playing.

P – 1 2 5 a Quick Operation Guide
While holding down the button on the control panel, press one of the corresponding keys shown below to set parameters.

Manual Development Group

VEH0740

© 2022 Yamaha Corporation Published 05/2022 POTY-A0

EN

1 Song playback
Quick Play

50 Preset Songs (50 Classical Music Masterpieces) Song number

Song Data Loaded from the Computer

50

1 2

42 43
44 45
46 47
48

37 38
39 40
41

30 31
32 33
34 35
36

25 26
27 28
29

18 19
20 21
22 23
24

13 14
15 16
17

11

9

7

1 2
3 4
5

Off On

49

12

10

8

6

A#-1

C#0 D#0

F#0 G#0 A#0

C#1 D#1

F#1 G#1 A#1

C#2 D#2

F#2 G#2 A#2

C#3 D#3

F#3 G#3 A#3

C#4 D#4

F#4 G#4 A#4

C#5 D#5

F#5 G#5 A#5

C#6 D#6

F#6 G#6 A#6

A-1 B-1 C0 D0 E0 F0 G0 A0 B0 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 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7

50 Preset Songs (50 Classical Music Masterpieces) Song number / Song name

1 Canon D dur 2 Air On the G String 3 Jesus, Joy of Man’s Desiring 4 Twinkle, Twinkle, Little Star 5 Piano Sonate op.31-2 “Tempest” 3rd mov. 6 Ode to Joy 7 Wiegenlied op.98-2 8 Grande Valse Brillante 9 Polonaise op.53 “Héroïque” 10 La Campanella

11 Salut d’amour op.12 12 From the New World 13 Sicilienne 14 Clair de lune 15 Jupiter (The Planets) 16 Menuett (Eine kleine Nachtmusik K.525) 17 Menuett G dur 18 Marcia alla Turca 19 Piano Concerto No.1 op.11 2nd mov. 20 The Nutcracker Medley

21 Prelude (Wohltemperierte Klavier I No.1) 22 Menuett G dur BWV Anh.114 23 Piano Sonate No.15 K.545 1st mov. 24 Turkish March 25 Piano Sonate op.13 “Pathétique” 2nd mov. 26 Für Elise 27 Piano Sonate op.27-2 “Mondschein” 1st mov. 28 Impromptu op.90-2 29 Frühlingslied op.62-6 30 Fantaisie-Impromptu

31 Etude op.10-3 “Chanson de l’adieu” 32 Etude op.10-12 “Revolutionary” 33 Valse op.64-1 “Petit chien” 34 Nocturne op.9-2 35 Nocturne KK4a-16/BI 49 [Posth.] 36 Träumerei 37 Barcarolle 38 La prière d’une Vierge 39 Liebesträume No.3 40 Blumenlied

41 Humoresque 42 Arietta 43 Tango (España) 44 The Entertainer 45 Maple Leaf Rag 46 La Fille aux Cheveux de Lin 47 Arabesque No.1 48 Cakewalk 49 Je te veux 50 Gymnopédies No.1

2 Voice settings

Reverb Type

Reverb Damper Stereophonic Depth Resonance Optimizer

Balance between Voice 1 and Voice 2

Octave Setting

Touch Sensitivity

Default value (Voice 2) Default value (Voice 1) Medium Fixed

Default value

Default depth

Concert Hall Club

-1 (Voice 2) +1 (Voice 2) -1 (Voice 1) +1 (Voice 1) Soft Hard

1 step down 1 step up

Off On

Off On

1 step down 1 step up

Recital Hall Chamber Off

A#-1

C#0 D#0

F#0 G#0 A#0

C#1 D#1

F#1 G#1 A#1

C#2 D#2

F#2 G#2 A#2

C#3 D#3

F#3 G#3 A#3

C#4 D#4

F#4 G#4 A#4

C#5 D#5

F#5 G#5 A#5

C#6 D#6

F#6 G#6 A#6

A-1 B-1 C0 D0 E0 F0 G0 A0 B0 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 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7

P – 1 2 5 a Quick Operation Guide

3 Metronome settings

Voice confirmation of current Tempo value

Metronome Volume

Metronome Tempo

Metronome Beat

Default tempo

Default value

No beat 2
3 4
5 6

10 steps down 10 steps up

1 2
3 4
5 6
7 8
9 0

1 step down 1 step up

A#-1

C#0 D#0

F#0 G#0 A#0

C#1 D#1

F#1 G#1 A#1

C#2 D#2

F#2 G#2 A#2

C#3 D#3

F#3 G#3 A#3

C#4 D#4

F#4 G#4 A#4

C#5 D#5

F#5 G#5 A#5

C#6 D#6

F#6 G#6 A#6

A-1 B-1 C0 D0 E0 F0 G0 A0 B0 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 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7

4 Rhythm settings

Voice confirmation of current Tempo value

Rhythm Volume

Rhythm Tempo

Rhythm

Bass

Intro/ Ending

Intro On Ending On

16Beat Shuffle2 8BeatBallad FastJazz Swing BossaNova Salsa ChristmasSwing

Default tempo

Default value

Off On

Intro Off Ending Off

8Beat Shuffle1 Shuffle3 Gospel 6-8SlowRock SlowJazz JazzWaltz Samba Rumba KidsPop 6-8March Christmas3-4

10 steps down 10 steps up

1 2
3 4
5 6
7 8
9 0

1 step down 1 step up

A#-1

C#0 D#0

F#0 G#0 A#0

C#1 D#1

F#1 G#1 A#1

C#2 D#2

F#2 G#2 A#2

C#3 D#3

F#3 G#3 A#3

C#4 D#4

F#4 G#4 A#4

C#5 D#5

F#5 G#5 A#5

C#6 D#6

F#6 G#6 A#6

A-1 B-1 C0 D0 E0 F0 G0 A0 B0 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 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7

5 Other settings
Operation Confirmation
Sounds

Auto Power
Off

Tuning

Program Change Aux Out volume

Local Control

Sound Boost

MIDI Transmit MIDI Receive

Control

IAC

Transpose

Channel

Channel

Change

Table EQ

Built-in Speaker

Ch 1 (Default value) Off

Fixed On On On

On/Off

Ch 1 Ch 1+2

On Default value

Enable 442.0Hz

1 step down 1 step up ALL (Default value)

Variable Off Off Off Auto

On/Off On/Off

1 step down 1 step up

-6 -5
-4 -3
-2 -1 0 (Original pitch)
+1 +2
+3 +4 +5
+6

Off 1 step down 1 step up

Off On

Disable 440.0Hz

A#-1

C#0 D#0

F#0 G#0 A#0

C#1 D#1

F#1 G#1 A#1

C#2 D#2

F#2 G#2 A#2

C#3 D#3

F#3 G#3 A#3

C#4 D#4

F#4 G#4 A#4

C#5 D#5

F#5 G#5 A#5

C#6 D#6

F#6 G#6 A#6

A-1 B-1 C0 D0 E0 F0 G0 A0 B0 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 F5 G5 A5 B5 C6 D6 E6 F6 G6 A6 B6 C7