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ENVIRONMENTAL ISSUES: Yamaha strives to pro-duce products that are both user safe and environmentallyfriendly. We sincerely believe that our products and theproduction methods used to produce them, meet thesegoals. In keeping with both the letter and the spirit of thelaw, we want you to be aware of the following:

Battery Notice: This product MAY contain a small non-rechargable battery which (if applicable) is soldered inplace. The average life span of this type of battery is ap-proximately five years. When replacement becomes nec-essary, contact a qualified service representative to per-form the replacement.

Warning: Do not attempt to recharge, disassemble, orincinerate this type of battery. Keep all batteries awayfrom children. Dispose of used batteries promptly and asregulated by applicable laws. Note: In some areas, theservicer is required by law to return the defective parts.However, you do have the option of having the servicerdispose of these parts for you.

Disposal Notice: Should this product become damagedbeyond repair, or for some reason its useful life is consid-ered to be at an end, please observe all local, state, andfederal regulations that relate to the disposal of productsthat contain lead, batteries, plastics, etc.

NOTICE: Service charges incurred due to lack of knowl-edge relating to how a function or effect works (when theunit is operating as designed) are not covered by themanufacturers warranty, and are therefore the ownersresponsibility. Please study this manual carefully and con-sult your dealer before requesting service.

NAME PLATE LOCATION: The graphic below indi-cates the location of the name plate. The model number,serial number, power requirements, etc., are located onthis plate. You should record the model number, serialnumber, and the date of purchase in the spaces providedbelow and retain this manual as a permanent record ofyour purchase.

CAUTIONRISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.DO NOT REMOVE COVER (OR BACK).

NO USER-SERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

PRODUCT SAFETY MARKINGS: Yamaha electronicproducts may have either labels similar to the graphicsshown below or molded/stamped facsimiles of thesegraphics on the enclosure. The explanation of these graph-ics appears on this page. Please observe all cautions indi-cated on this page and those indicated in the safety in-struction section.

See bottom of Keyboard enclosure for graphic symbol markings

The exclamation point within the equi-lateral triangle is intended to alert theuser to the presence of important oper-ating and maintenance (servicing) in-structions in the literature accompany-ing the product.

The lightning flash with arrowheadsymbol, within the equilateral triangle,is intended to alert the user to the pres-ence of uninsulated dangerous volt-age within the products enclosure thatmay be of sufficient magnitude to con-stitute a risk of electrical shock.

IMPORTANT NOTICE: All Yamaha electronic prod-ucts are tested and approved by an independent safetytesting laboratory in order that you may be sure that whenit is properly installed and used in its normal and custom-ary manner, all foreseeable risks have been eliminated.DO NOT modify this unit or commission others to do sounless specifically authorized by Yamaha. Product per-formance and/or safety standards may be diminished.Claims filed under the expressed warranty may be deniedif the unit is/has been modified. Implied warranties mayalso be affected.

SPECIFICATIONS SUBJECT TO CHANGE: Theinformation contained in this manual is believed to becorrect at the time of printing. However, Yamaha reservesthe right to change or modify any of the specificationswithout notice or obligation to update existing units. Model _____________________________________

Serial No. __________________________________

Purchase Date ______________________________

SPECIAL MESSAGE SECTION

CLP-154SCLP-155

Introduction

Thank you for choosing a Yamaha CLP-154S/155 Clavinova. Your Clavinova is a fine musicalinstrument that employs advanced Yamaha music technology. With the proper care, yourClavinova will give you many years of musical pleasure.

Yamahas AWM (Advanced Wave Memory) tone generator system offers rich, realistic voices. TheCLP-155 additionally features stereo sampling of its PIANO 1 voice for unmatched realism and ex-pressive power.

Piano-like touch response adjustable in 4 stages provides extensive expressive control and out-standing playability.

Dual play mode allows 2 voices to be played simultaneously.

Unique Clavinova Tone voice provides a fresh sound for new musical expression.

Damper pedal includes natural resonance effect for the piano voices, simulates the string and sound-board resonance of acoustic pianos.

Metronome feature with variable tempo facilitates practice.

2-track digital recorder lets you record and play back anything you play on the keyboard (up to ap-proximately 4,200 notes).

MIDI compatibility and a range of MIDI functions make the Clavinova useful in a range of advancedMIDI music systems.

In order to make the most of your Clavinovas performance potential and features, we urge youto read this Owners Manual thoroughly, and keep it in a safe place for later reference.

Your Clavinova is a fine musical instrument, and deserves the most careful treatment.Observe the following points and your Clavinova will sound and look great for many years.

1 Never open the case and touch or tamper with the inter-nal circuitry.

2 Always turn the POWER switch OFF after use, andclose the key cover to protect the keyboard, or cover thekeyboard with the dust cover provided.

3 Clean the cabinet and keys of your Clavinova only witha clean, slightly damp cloth. A neutral cleanser may beused if desired. Never use abrasive cleansers, waxes,solvents or chemical dust cloths since these can dull ordamage the finish.

4 Never place any vinyl products on your Clavinova. Con-tact with vinyl can cause irreversible damage to thefinish.

5 Install your Clavinova in a place that is away from di-rect sunlight, excessive humidity or heat.

6 Never apply excessive force to the controls, connectorsor other parts of your Clavinova, and avoid scratchingor bumping it with hard objects.

Name Plate LocationThe CLP-154S/155 name plate is located on the bottompanel.

Taking Care Of Your Clavinova

1

Contents

The Control Panel ............................................................ 2

Connections ...................................................................... 4

Selecting & Playing Voices ........................................... 5

Playing the Demonstration Tunes ............................... 6

The Dual Mode .................................................................. 7

Adjusting the Balance Between theDual-mode Voices .................................................. 7

Shifting a Dual-Mode Voice Up One Octave .......... 7

Slow-attack Strings (CLP-155 only) ....................... 7

Memorizing the Balance, Strings Type (CLP-155),& Octave Shift Settings ..........................................7

Reverb ............................................................................... 8

Adjusting Reverb Depth .........................................8

Memorizing the Reverb Type & Depth Settings ..... 8

Brilliance (CLP-155) .......................................................... 9

Memorizing the Brilliance Setting ........................... 9

The Pedals ......................................................................... 9

Soft (Left) Pedal ..................................................... 9

Sostenuto (Center) Pedal ....................................... 9

Damper (Right) Pedal ............................................. 9

Touch Sensitivity ........................................................... 10

Memorizing the Touch Sensitivity Setting ............ 10

Transposition ..................................................................10

Pitch Control ...................................................................11

Tuning Up .............................................................11

Tuning Down ........................................................ 11

To Restore Standard Pitch ...................................11

Memorizing the Pitch Control Setting ................... 11

The Metronome & Tempo Control .............................12

The Metronome ........................................................ 12

Metronome Volume .............................................. 12

Metronome Time Signature ..................................12

Tempo Control .......................................................... 12

Using the Recorder .......................................................13

Recording..................................................................13

Changing the Initial Settings ................................. 14

Erasing a Single Track .........................................14

Playback ...................................................................14

Fast Forward Playback .........................................14

MIDI Functions ............................................................... 15

A Brief Introduction to MIDI ..................................15

MIDI Messages Transmitted & Receivedby the Clavinova ................................................... 15

MIDI Transmit & Receive Chann