Page 2 - PLEASE KEEP THIS MANUAL; NAME PLATE LOCATION:; SPECIAL MESSAGE SECTION
P-155 Owner’s Manual 2 PLEASE KEEP THIS MANUAL This product utilizes batteries or an external power supply (adapter). DO NOT connect this product to any power supply or adapter other than one described in the manual, on the name plate, or specifically recommended by Yamaha. WARNING: Do not place thi...
Page 3 - IMPORTANT NOTICE FOR THE UNITED KINGDOM
P-155 Owner’s Manual 3 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instruc-tions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. 2. IMP...
Page 4 - ENGLISH; PRECAUTIONS; PLEASE READ CAREFULLY BEFORE PROCEEDING; * Please keep this manual in a safe place for future reference.; WARNING; CAUTION
P-155 Owner’s Manual ENGLISH 4 PRECAUTIONS PLEASE READ CAREFULLY BEFORE PROCEEDING * Please keep this manual in a safe place for future reference. WARNING Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock, short-circuiting...
Page 6 - Introduction; Thank you for purchasing the Yamaha Digital Piano!; Main Features; Accessories
P-155 Owner’s Manual ENGLISH 6 Introduction Thank you for purchasing the Yamaha Digital Piano! We recommend that you read this manual carefully so that you can fully take advantage of the advanced and convenient functions. We also recommend that you keep this manual in a safe and handy place for fut...
Page 7 - Table of Contents; Appendix
P-155 Owner’s Manual ENGLISH 7 Table of Contents This manual consists of three main sections: Introduction, Reference and Appendix. Introduction Main Features..................................................... 6 Accessories ......................................................... 6 Panel Controls...
Page 8 - Panel Controls and Terminals; Front panel
Panel Controls and Terminals P-155 Owner’s Manual ENGLISH 8 Panel Controls and Terminals q [STANDBY/ON] switch page 10 For turning the power on or off. w [MASTER VOLUME] dial page 10 For adjusting the volume level of the entire sound. e [DEMO] button page 12 For playing the demo songs. r [TRANSPOSE]...
Page 9 - Rear panel
Panel Controls and Terminals P-155 Owner’s Manual ENGLISH 9 @0 USB [TO DEVICE] terminal page 47 For connecting the instrument to a USB storage device, allowing saving/loading of data to and from the connected device. @1 AUX OUT [L/L+R][R] jacks page 47 For connecting an external tone generator, allo...
Page 10 - Before Using the Instrument; Turning the Power On; Plug the AC adaptor into an AC outlet.; Setting the Volume
Before Using the Instrument P-155 Owner’s Manual ENGLISH 10 Before Using the Instrument Turning the Power On 1. Connect the power adaptor’s DC cable to the [DC IN 16V] jack. 2. Plug the AC adaptor into an AC outlet. WARNING Use the specified adaptor (PA-301, PA-300B or an equivalent recom-mended by ...
Page 11 - Using the Pedals; Music Rest
Before Using the Instrument P-155 Owner’s Manual ENGLISH 11 Using the Pedals Sustain Pedal (Sustain Pedal jack) This jack is for connecting the included foot switch FC4. The pedal functions in the same way as a damper pedal on an acoustic piano. Connect the included foot switch FC4 to this jack and ...
Page 12 - Listening to the Demo Songs
Listening to the Demo Songs P-155 Owner’s Manual ENGLISH 12 Listening to the Demo Songs Demo songs are provided that effectively demonstrate each of the instrument’s voices. 1. Press the [STANDBY/ON] switch to turn the power on (page 10). When the power is turned ON, one of the voice button indicato...
Page 13 - Using the 50 Piano “Preset” Songs; Listening to the 50 Piano Preset Songs; Press the [SONG SELECT] button to exit Preset Song
Using the 50 Piano “Preset” Songs P-155 Owner’s Manual ENGLISH 13 Using the 50 Piano “Preset” Songs Listening to the 50 Piano Preset Songs The instrument provides performance data of 50 piano songs. You can simply listen to these songs (page 60) or use them for practice (page 14). 1. Press the [SONG...
Page 14 - Turn off the playback part you wish to practice.
Using the 50 Piano “Preset” Songs P-155 Owner’s Manual ENGLISH 14 Practicing a One-Hand Part Using the 50 Preset Songs (Part Cancel Function) The 50 preset songs have separate left- and right-hand parts on individual parts. You can turn the left- and right-hand parts on or off as required so you can...
Page 15 - A-B Repeat for the 50 Preset Songs; Select and play a preset song.
Using the 50 Piano “Preset” Songs P-155 Owner’s Manual ENGLISH 15 A-B Repeat for the 50 Preset Songs The A-B Repeat function can be used to continuously repeat a specified phrase within a preset song. Combined with the Part Cancel function (page 14), this provides an excellent way to practice diffi-...
Page 16 - Selecting & Playing Voices; Selecting Voices
Selecting & Playing Voices P-155 Owner’s Manual ENGLISH 16 Selecting & Playing Voices Selecting Voices Select the desired voice by pressing one of the Voice buttons. [STRINGS/OTHERS] button Pressing the [STRINGS/OTHERS] button switches among the following eleven voices. Then, when you start ...
Page 21 - “Damper Resonance”
Selecting & Playing Voices P-155 Owner’s Manual ENGLISH 21 [EFFECT] The [EFFECT] button allows you to select an effect to give your sound greater depth and animation. OFF: When no effect is selected, no EFFECT indicator is lit. CHORUS: A shimmering, broadening effect. PHASER: Adds a sweeping eff...
Page 24 - Using the Metronome
Selecting & Playing Voices P-155 Owner’s Manual ENGLISH 24 Using the Metronome The instrument features a built-in metronome for convenience in practicing and use with the Recording features. 1. Press the [METRONOME] button to start the metro-nome. The metronome sound is turned on. Adjusting the ...
Page 25 - Recording Your Performance; Recording a performance quickly
Recording Your Performance P-155 Owner’s Manual ENGLISH 25 Recording Your Performance The ability to record and play back what you’ve played on the keyboard can be an effective practice aid. You can, for example, record just the left-hand part, and then practice the right-hand part while playing bac...
Page 26 - Play back the recorded performance.
Recording Your Performance P-155 Owner’s Manual ENGLISH 26 2. Press the [REC] button to engage Record Ready mode. This automatically selects an empty file (U01–U03) for recording and makes the RIGHT part’s indicator turn red. If all file numbers contain recorded data, File U01 will be selected. This...
Page 27 - Re-recording a previously recorded song
Recording Your Performance P-155 Owner’s Manual ENGLISH 27 Re-recording a previously recorded song If you are not satisfied with the recording, you can record it again. Using the following operation. 1. Select a voice or voices (and other settings) for recording, if necessary. Repeat step 1 on page ...
Page 28 - Recording to RIGHT/LEFT; Make all the initial settings.; Engage the Record Ready mode.
Recording Your Performance P-155 Owner’s Manual ENGLISH 28 Recording to RIGHT/LEFT This lets you record the right and left parts separately. Since you can record the left part while play-ing back the right, this is useful for independently recording both parts of a duet. 1. Make all the initial sett...
Page 29 - The song recorder records the following data:
Recording Your Performance P-155 Owner’s Manual ENGLISH 29 The song recorder records the following data: Data in addition to the notes and voices you play is recorded.This data includes “Individual Parts” and “Entire Song.” See below. Individual Parts • Notes played • Voice selection• Pedal (Sustain...
Page 30 - Change the settings via the panel controls.
Recording Your Performance P-155 Owner’s Manual ENGLISH 30 Changing the Initial Settings (data recorded at the beginning of a song) The initial settings (data recorded at the beginning of a song) can be changed after the recording. For example, after recording, you can change the voice to create a d...
Page 31 - About Save and Load; Save
Handling Recorded Songs with a USB Storage Device P-155 Owner’s Manual ENGLISH 31 Handling Recorded Songs with a USB Storage Device You can handle recorded songs (save, load, and delete) with a USB storage device. You can also for-mat the device or media.Before using a USB device, read the “Precauti...
Page 32 - Saving a Song; Select a “USER” file to save.; Exit from the file operation mode.
Handling Recorded Songs with a USB Storage Device P-155 Owner’s Manual ENGLISH 32 Saving a Song 1. Select a “USER” file to save. Select a “USER” file to save by using the [SONG SELECT] and [–/NO][+/YES] buttons. 2. Select a “USB” file in the device and save the “USER” file. After making sure that th...
Page 33 - Loading a Song; Select a “USB” file in the device.
Handling Recorded Songs with a USB Storage Device P-155 Owner’s Manual ENGLISH 33 Loading a Song CAUTION If the “USER” file (U03) on the instrument already contains data, this operation can result in overwriting of the data. Make sure to save important data to your computer beforehand. 1. Select a “...
Page 34 - Deleting Song Files; Select a “USB” file to be deleted.
Handling Recorded Songs with a USB Storage Device P-155 Owner’s Manual ENGLISH 34 Deleting Song Files 1. Select a “USB” file to be deleted. Press the [FILE] button. (The “DEL./FORMAT” indicator lights.) Then, hold the [FILE] button, simultaneously press the [–/NO][+/YES] buttons to select a file to ...
Page 35 - Formatting the USB Storage Device; Engage the file operation mode.; Execute the format operation.
Handling Recorded Songs with a USB Storage Device P-155 Owner’s Manual ENGLISH 35 Formatting the USB Storage Device CAUTION If data is already saved to the USB storage device, be careful not to format it.If you format the device, all the previously saved data will be deleted. 1. Engage the file oper...
Page 36 - Playing Back “USER” and “USB” Songs; “USER” songs
Playing Back “USER” and “USB” Songs P-155 Owner’s Manual ENGLISH 36 Playing Back “USER” and “USB” Songs The following types of songs are available. You can simply listen to these songs or use them for practice (pages 14, 15). “USER” songs • Songs (U01–U03) which you recorded to the instrument by usi...
Page 37 - Turning part playback on and off
Playing Back “USER” and “USB” Songs P-155 Owner’s Manual ENGLISH 37 1. Press the [SONG SELECT] button (the USER or USB indicator lights). 2. Press the [–/NO] [+/YES] buttons to select a song (Uxx*)/(xxx*) or (Sxx*)/(xxx*). The letters “xx” represent the song number. 3. Press the [PLAY/PAUSE] button ...
Page 39 - Basic Procedure in Function
Detailed Settings – [FUNCTION] P-155 Owner’s Manual ENGLISH 39 Basic Procedure in Function Follow the steps below to use the functions.If you become lost while using a function, return to this page and read the basic procedure. 1. Press the [TEMPO/FUNCTION] button to enter the Function. The [FUNCTIO...
Page 40 - About Each Function; Scale; F1. Fine Tuning of the Pitch; Using the keyboard to set the pitch; F2. Selecting a Scale
Detailed Settings – [FUNCTION] P-155 Owner’s Manual ENGLISH 40 About Each Function The explanations here apply when entering the Function in step 5 on page 39. You can fine tune the pitch of the entire instru-ment. This function is useful when you play the instrument along with other instruments or ...
Page 44 - MIDI Transmit Channel Selection; Program Change ON/OFF
Detailed Settings – [FUNCTION] P-155 Owner’s Manual ENGLISH 44 Use this function to adjust the metronome vol-ume. Setting range: 1–20 Default setting: 10 You can make detailed adjustments to the MIDI settings. For more information about MIDI, see the “About MIDI” section (page 48). F7.1: MIDI Transm...
Page 45 - Control Change ON/OFF
Detailed Settings – [FUNCTION] P-155 Owner’s Manual ENGLISH 45 F7.5: Control Change ON/OFF Normally the instrument will respond to MIDI control change data received from an external MIDI device or keyboard, causing the voice on the corresponding chan-nel to be affected by pedal and other “control” s...
Page 47 - Connectors
Connections P-155 Owner’s Manual ENGLISH 47 Connections Connectors CAUTION Before connecting the instrument to other electronic components, turn off the power to all the components. Before turn-ing the power on or off to all components, set all volume levels to minimum (0). Otherwise, electrical sho...
Page 48 - SUSTAIN PEDAL Jack; AUX PEDAL Jack
Connections P-155 Owner’s Manual ENGLISH 48 3 MIDI [IN] [OUT] terminals Use MIDI cables to connect external MIDI devices to these connectors. MIDI [IN]: Receives MIDI data. MIDI [OUT]: Transmits MIDI data. Refer to the “Connecting a Personal Computer” on page 50. 4 SUSTAIN PEDAL Jack This jack is fo...
Page 49 - Connecting to a USB storage device; To display the data in the USB storage device; Backing up your data to a computer; Backing up the instrument data to a computer
Connections P-155 Owner’s Manual ENGLISH 49 Connecting to a USB storage device To connect to a USB storage device, be sure to read the section “Precautions when using the USB [TO DEVICE] terminal” on page 53. To display the data in the USB storage device To view the data of the USB storage device on...
Page 50 - Connecting a Personal Computer
Connections P-155 Owner’s Manual ENGLISH 50 Connecting a Personal Computer By connecting a computer to the MIDI terminals, you can transfer data between the instrument and the computer via MIDI. To do this, install the USB MIDI interface driver and Musicsoft Down-loader software. There are two ways ...
Page 51 - Loading Song Data from a Computer to the Instrument
Connections P-155 Owner’s Manual ENGLISH 51 Transmitting Song Data between the Computer and the Instrument In addition to the demo songs and the 50 piano preset songs stored in this instrument, you can play data for other song by loading it from a connected computer. To be able to use this function,...
Page 52 - Data Backup Using a Computer; Data that can be saved; Panel settings and recorded songs; Save the data to the computer.
Data Backup Using a Computer P-155 Owner’s Manual ENGLISH 52 Data Backup Using a Computer For maximum data security Yamaha recommends that you save your important data to your com-puter by using the Musicsoft Downloader (MSD) software. This provides a convenient backup if the internal memory is dama...
Page 53 - Using USB Storage Devices; Formatting USB storage media
Precautions when using the USB [TO DEVICE] terminal P-155 Owner’s Manual ENGLISH 53 Precautions when using the USB [TO DEVICE] terminal This instrument features a built-in USB [TO DEVICE] terminal. When connecting a USB device to the terminal, be sure to handle the USB device with care. Follow the i...
Page 54 - Inserting a Floppy Disk into the Disk Drive:; Cleaning the Disk Drive Read/Write Head
Handling the Floppy Disk Drive (FDD) and Floppy Disks (Optional) P-155 Owner’s Manual ENGLISH 54 Handling the Floppy Disk Drive (FDD) and Floppy Disks (Optional) An optional floppy disk drive can be installed to this instrument. The floppy disk drive lets you save original data you’ve created on the...
Page 55 - Message List
Message List P-155 Owner’s Manual ENGLISH 55 Message List Message Comment CLr Displayed after factory presets are recalled. CAUTION Do not turn off the power of the instrument when “ CLr ” appears in the display. Doing so may delete all song data in the instrument, including external songs (page 36)...
Page 56 - Troubleshooting
Troubleshooting P-155 Owner’s Manual ENGLISH 56 Troubleshooting Problem Possible Cause and Solution The instrument does not turn on. The instrument has not been plugged in properly. Securely insert the female plug into the socket on the instrument, and the male plug into a proper AC outlet (page 10)...
Page 57 - Preset Voice List
Preset Voice List P-155 Owner’s Manual ENGLISH 57 Preset Voice List Ø : Yes / — : No *1. Dynamic Sampling provides multiple velocity-switched samples to accurately simulate the timbral response of an acoustic instrument. *2. Contains a very subtle sample that is produced when the keys are released. ...
Page 58 - Index; Numerics
Index P-155 Owner’s Manual ENGLISH 58 Index Numerics 50 Piano Preset Songs .....................................................13 A A-B Repeat .......................................................................15 Adjust Tempo (50 Piano Preset Songs) ...............................13Tempo (Recor...
Page 65 - • Effect MIDI Map
P-155 Owner’s Manual / Bedienungsanleitung / Mode d’emploi / Manual de instrucciones 65 MIDI Data Format / MIDI-Datenformat / Format des données MIDI / Formato de datos MIDI <Table 1> MIDI Parameter Change table (SYSTEM) Address (H) Size (H) Data (H) Parameter Description Default value (H) 00 ...
Page 66 - Portament Control
P-155 Owner’s Manual / Bedienungsanleitung / Mode d’emploi / Manual de instrucciones 66 MIDI Implementation Chart / MIDI-Implementierungstabelle / Feuille d’implémentation MIDI / Gráfico de implementación MIDI MIDI Implementation Chart / MIDI-Implementierungstabelle / Feuille d’implémentation MIDI /...
Page 67 - Reset
P-155 Owner’s Manual / Bedienungsanleitung / Mode d’emploi / Manual de instrucciones 67 MIDI Implementation Chart / MIDI-Implementierungstabelle / Feuille d’implémentation MIDI / Gráfico de implementación MIDI Prog Change : True # System Exclusive Common : Song Pos. : Song Sel. : Tune System : Clock...
Page 70 - Información para Usuarios sobre Recolección y
Information concernant la Collecte et le Traitement des déchets d’équipements électriques et électroniques Le symbole sur les produits, l’emballage et/ou les documents joints signifie que les produits électriques ou électroniques usagés ne doivent pas être mélangés avec les déchets domestiques habit...