Manuel d'utilisation / d'entretien du produit PortableGrand DGX-650 du fabricant Yamaha
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O wner ’ s Manual EN Ke yboard Stand Assemb ly For inf ormation on assembling the ke yboard stand, ref er to the instructions on page 1 0 of this manual.
DGX-650 Owner’ s Manual 2 SPECIAL MESSAGE SECTION This product utilizes batteries or an external power supply (adapter). DO NOT connect this product to any power supply or adap ter other than one described in the manua l, on the name plate, or specifically recommended by Y amaha.
DGX-650 Owner’s Manual 3 OBSERVERA! Apparaten kop plas inte ur växelströmskällan (nätet) så länge som den ar ansluten till väggutt aget, även om själva apparaten har stängts av .
DGX-650 Owner’ s Manual 4 Basic Guide Ref ere n c e Appendix Set ting Up Setting Up Special Feature s .. ............................ ................................5 PRECAUTIONS ................. ............................. .................6 Compatible Form at .
DGX-650 Owner’s Manual 5 Set ting Up Special Features Nat ural Piano V oice Pag e 2 3 The DGX-650 features an am azingly realistic pian o V oice (“Natural! Grand Piano”; V oice 001) meticulously sampled from a concert grand piano—fantastic for playing not only classical compositions b ut also piano pieces in any style.
DGX-650 Owner’ s Manual 6 Set ting Up PRECAUTIONS PLEASE READ CAREFULL Y BEFORE PROCEEDING Please k eep this manual in a saf e and handy place f or future r efer ence.
DGX-650 Owner’s Manual 7 Set ting Up • Before connecting the inst rument to other electronic c omponents, turn off the power for all compon ents. Before turning the power on or off for all com ponents, set all volume levels to minimum.
DGX-650 Owner’ s Manual 8 Set ting Up Compat ible F or mat GM System Lev el 1 “GM System Le vel 1” is an addition to the MIDI standard which ensures that any GM-compati- ble music data can be accurately played by any GM-compatible tone generator , regardless of manufacturer .
DGX-650 Owner’s Manual 9 Set ting Up About Manuals This instrument has the following documents and instructional materials. Incl uded Documents Owner’ s Manual (this book) • Setting Up Please read this section first. • Basic Guide This section explains ho w to use the basic functions.
DGX-650 Owner’ s Manual 10 Set ting Up Keyboard Stand Assembly 1 The parts shown in t he “ Assembly P ar ts” illustr ation will be used. F ollow the asse mbly instr uctions and select the parts as needed. Read these cautions care f ully befor e you assemble or use the keyboar d stand.
Keyboard Stan d Assembly DGX-650 Owner’s Manual 11 Set ting Up 2 At tach the metal brack ets. Attach the metal brackets w to the top of the side boards, using the screws e as shown. 3 At ta ch the stand bases . Insert the joint connectors q into the side boards as shown.
Keyboard Stand Assembly DGX-650 Owner’ s Manual 12 Set ting Up 4 At tach the bac k board. Attach the back board, using the scre ws t . Check the back-to-front orientation for the side boards. Make sure the non-colored surface is f acing down. 5 P ut the key board on the stand.
Keyboard Stan d Assembly DGX-650 Owner’s Manual 13 Set ting Up 6 Install the ke yboard t o the stand. Fix the ke yboard to the angle brackets, using the screws y .
DGX-650 Owner’ s Manual 14 Set ting Up Panel Controls and T erminals F ront P anel q [ ] (Standby /On) switch ...... ............... page 19 w [MAS TER V OLU ME] control ................ page 20 e [DEMO/BGM] b u t ton .. .................. pages 34, 63 r [SCORE] b utton .
Panel Controls and Terminals DGX-650 Owner’s Manual 15 Set ting Up R e ar P anel #3 CONTRA ST knob .................. ............... page 21 #4 USB T O HOST ter minal ......... ....... page s 1 9, 68 #5 SUST AIN jack .......... ....................
DGX-650 Owner’ s Manual 16 Set ting Up Setting Up P owe r Requir ements 1 Connect the A C pow er adaptor t o the DC IN jack. 2 Plug the A C pow er adaptor int o an AC outlet. Connect ing a Foots wit ch (SUST AIN J ack) The sustain function lets you produce a natural sustain as you play by pressing a footswitch.
Setting Up DGX-650 Owner’s Manual 17 Set ting Up Connecting Headphones or External A ud io Equipment (PHONES/OUTPUT Jac k) Headphones Any pair of stereo headphones with a standard stereo phone plug can be plugged in here for con venient monitoring. The speakers are automatically shut of f when a plug is inserted into this jack.
Setting Up DGX-650 Owner’ s Manual 18 Set ting Up Connect ing a P edal Unit (PED AL UNIT jac k) This jack is for connecting an optional LP-7A/LP- 7A WH pedal unit. When connecting the pedal unit, make sure to also assemble the unit on the supplied keyboard stand.
Setting Up DGX-650 Owner’s Manual 19 Set ting Up Connect ing a Comput er (U SB T O HOS T terminal) By connecting a computer to the USB TO HOST terminal, you can transfe r data between the instrument and the computer via MIDI. For details on using a computer with this instrument, refer to “C omputer-related Operations” on the website (page 9).
Setting Up DGX-650 Owner’ s Manual 20 Set ting Up Set ting the V olume T o adjust the volume lev el of the entire keyboard sound, use the MASTER V OLUME control located a t the left of the panel. Play the keyboard to actually pro- duce sound while you adjusting the volume to the desired lev el.
DGX-650 Owner’s Manual 21 Set ting Up MAIN Display When the pow er is tur ned on, the MAIN dis play aut omatic ally appears. This displa y shows the basic set tings of the instr ument, includin g the current V oice, Style, Song, A udio and other settings.
DGX-650 Owner’ s Manual 22 Set ting Up Basic Controls Befor e operating the instrument, it may be he lpful t o familiarize y ourself with the basic controls belo w that are used to s elect items and c hang e values. Dial Rotate the dial clockwise to increase the v alue, or counterclockwise to decrease the value.
DGX-650 Owner’s Manual 23 Basic Guide T r y Pla y ing a V ar iet y of Instr ument V oices In addition t o the w onderfull y realistic piano sounds, y ou can select and play other musical instr ument V oices, such as organ, guitar , bass, strings, sax, tr umpet, drums and percussion, and e ven sound ef fects.
Try Playing a Variety of Instr ument Voices DGX-650 Owner’ s Manual 24 Basic Guide In addition to the Main V oice, you can layer a differ- ent V oice over the entire ke yboard as a “Dual V oice. ” 1 Pr ess the [DU AL ON/OFF] but ton t o tur n Dual on.
Try Playing a Variety of Instrument Voices DGX-650 Owner’s Manual 25 Basic Guide The instrument features a built-in metronome (a device that k eeps an accu rate tempo), con venient for practicing. 1 P ress the [METR ONOME ON/OFF] but- ton to start the metr onome .
Try Playing a Variety of Instr ument Voices DGX-650 Owner’ s Manual 26 Basic Guide 4 Ro tate the dial t o select “4. ” 5 Conf irm the set ting by pla ying the Met- rono me . Set ting the Metronome V olume 1 Pr ess the [FUNCTION] but ton t o call up the FUNCTION display .
Try Playing a Variety of Instrument Voices DGX-650 Owner’s Manual 27 Basic Guide Y ou can add harmony notes to the Main V oice. 1 P ress the [HARMONY ON/OFF] b utt on to turn Ha rm ony o n. Although turning on the Harmony will select a Harmony T ype suitable for the current Main V oice, you can select a dif ferent Harmony T ype.
DGX-650 Owner’ s Manual 28 Basic Guide Pla y ing St yles The instrument feat ures a v ariety of accompaniment and rhythmic bac king patt erns (called “Styles”) in a v ariety of dif ferent musical genr es including pop, jazz, and man y others.
Playing Styles DGX-650 Owner’s Manual 29 Basic Guide 5 P ress the [S YNC ST AR T] but ton t o tur n S ynchro Start on. 6 Pla y a chord in the A uto Acc ompani- ment r ang e to sta r t Style playbac k. Play a melody with your righ t hand and chords with your left.
Playing Styles DGX-650 Owner’ s Manual 30 Basic Guide For users who are unfamiliar with chords, this char t shows the notes of common chords. Sin ce there are many useful chor ds and many different ways to use th em musically , refer to co mmercially available chord books for further details.
Playing Styles DGX-650 Owner’s Manual 31 Basic Guide If you want to fully enjoy playing in various Styles b ut don’t kno w how to play the appropriate chords, Smart Chord is very useful.
Playing Styles DGX-650 Owner’ s Manual 32 Basic Guide TYPE Page: This page provides f ive T ypes of music genres which determine the specific chord assignment for each scale note in the Auto Accompaniment range.
Playing Styles DGX-650 Owner’s Manual 33 Basic Guide This con venient function “recommends” optimum Styles for your performance, based on the rhythm you play for one or two measures. 1 Pr ess the [STYLE RECOMMENDER] but- ton to c a ll u p th e ST Y L E R E C OM - MENDER display .
DGX-650 Owner’ s Manual 34 Basic Guide Pla y ing Songs and A udio F iles There are two kinds of data that can be re cor ded and played bac k on this instrument: Songs and A udio files. Not only can y ou play back a Song or A udio file and list en to it, but y ou can also play the ke yboard al ong with Song or A udio fi le playback.
Playing Songs and Audio Files DGX-650 Owner’s Manual 35 Basic Guide Before using a USB flash memory , be sure to read “Connecting a USB Flash Memory” on page 71. 1 If y ou want to play back a Song or Audio f ile on a USB flas h memory , connect a USB f lash memor y to the USB TO DEVICE terminal.
Playing Songs and Audio Files DGX-650 Owner’ s Manual 36 Basic Guide This instrument lets you fast forward [FF], re wind [REW] and pause [P A USE] playback of the Song or Audio file. Pressing the [REW] or [FF] button once moves one measure backward/forward for Songs, or one second for Audio files.
Playing Songs and Audio Files DGX-650 Owner’s Manual 37 Basic Guide Y ou can view the music notation (score) of the selected Song. 1 Select a Song (st eps 1–3 on page 35). 2 P ress the [SCORE] b utt on to call up the Score display . Pressing this button each time alternates the dis- played notation style between single-staff a nd double-staff.
DGX-650 Owner’ s Manual 38 Basic Guide Using the Song Lesson F eatur e Y ou can use the selected Song for a lef t-ha nd, right-hand, or both-hands lesson. T r y practicing with these thr ee Song Les son types. Lesson 1—W aiting In this Lesson, try playing the correct notes shown on the display .
Using the Song Lesson Feature DGX-650 Owner’s Manual 39 Basic Guide 4 Pr ess the desired LESSON ST ART b ut- ton , [W AITING], [Y OUR TEMPO] or [MINUS ONE] to star t playbac k of the Song Lesson. Play the notes shown in the on-sc reen score. The score marker and ke yboard marker in the display will indicate the notes to play .
DGX-650 Owner’ s Manual 40 Basic Guide R ecor ding Y our P erf or mance This instrument allo ws you t o recor d your performance in the f ollowing tw o methods. • Song r ecording (MIDI r ecor ding) W ith this method, recorded performances are saved to th e i n strument as a User Song, in SMF (format 0) MIDI file.
Recording Your Performa nce DGX-650 Owner’s Manual 41 Basic Guide 4 Pla y the keyb oard to sta r t recor ding. Y ou can a lso start recording by pressing the [ST AR T/STOP] button.
Recording Your Performance DGX-650 Owner’ s Manual 42 Basic Guide W ith Song Recording, you can create a Song consist- ing of six tracks (1–5 a nd A) by recording your per- formance to each track one by one.
Recording Your Performa nce DGX-650 Owner’s Manual 43 Basic Guide 3 Play the ke y board to start Recording. 4 Af ter y ou finish the per formance, pr ess the [S T ART/S T OP] but ton or [REC] b ut- ton to s top re c ord i n g. When recording is stopped, a message asking if you want to sa ve the Song appears.
Recording Your Performance DGX-650 Owner’ s Manual 44 Basic Guide Y ou can clear all tra cks of a User Song. 1 P ress the [SONG/A UDIO] but ton, a nd then select the User Song (1 0 1 to 1 05) t o be cleared. 2 While holding do wn the trac k [A] bu tt on, pr ess the trac k [1] but ton for lon g er than a second.
Recording Your Performa nce DGX-650 Owner’s Manual 45 Basic Guide Before recording, make the necessary settings such as V oice/Style selection and th e A UX IN connection (if you want to record with the input sound via A UX IN jack). All the sound produced via this instrument other than Metronome can be recorded.
DGX-650 Owner’ s Manual 46 Basic Guide Memor izing Y our F a v or it e P anel Set tings This instrument has a R egistration Memory feat ure that lets you memori z e your fa vor - ite set tings for eas y recall whenev er they’ re needed. Up to 32 complet e setups can be sav ed (eight banks of four set ups each).
Memorizing Your Favorite Panel Settings DGX-650 Owner’s Manual 47 Basic Guide 1 P ress and r elease the [BANK] but ton t o call up a Bank number on the dis play . 2 Use the di al to select a Bank number . 3 P ress one of the RE GIST MEMOR Y [1] t o [4] but tons to ca ll up the panel settings y ou memorized.
DGX-650 Owner’ s Manual 48 Basic Guide Pla y ing A udio F iles via an Exter nal A udio Pla yer Y ou can output the sound of an exter nal audi o device, suc h as a por table m usic player , thr ough the built-in speak ers of this instrume nt b y connecting it vi a a cable.
DGX-650 Owner’s Manual 49 Basic Guide Bac kup P ar ameter s and Initialization The following data will be maintained even if the power is turned of f and ca n be transferred then saved to a computer via Musicsoft Downloader as a single Backup file. For instructions, refer to “Computer- related Operations” (page 9).
DGX-650 Owner’ s Manual 50 Ref ere n c e Handy Performance Features Selecting a R ev erb T ype The Rev erb effect lets you play with a rich concert hall type ambience. Although selecting a Style or Song will call up the o ptimum Re verb type for the entire sound, you can select a dif f erent Rev erb type manually .
Handy Perf ormance Features DGX-650 Owner’s Manual 51 Re fe re n c e Selecting a DSP T ype DSP is an abbre viation of Digital Signal Processing. These range from rev erb-like ambience effects to dis- tortion and other dynamic processing tools that let y ou enhance the sound, or completely transform it.
Handy Performance Fea tures DGX-650 Owner’ s Manual 52 Ref ere n c e P anel Sustain This function adds sustain to the k eyboard voices. Use it when you want to add sustain to the v oices at all times, regardless of footswitch operation. The sustain function does not affect the Split V oice.
Handy Perf ormance Features DGX-650 Owner’s Manual 53 Re fe re n c e Pitch Co ntrols—T uning The overall tuning of the instrument (except for the V oices with name “*** Kit”) can be shifted up or down between 415.3 Hz and 466.2 Hz in approxi- mately 0.
Handy Performance Fea tures DGX-650 Owner’ s Manual 54 Ref ere n c e T ouch Response Sensitivity The ke yb oard of this instrument is equipped with a T ouch Response feature that lets you dy namically and expressi vely control the le vel of the V oices according to your playing strength.
Handy Perf ormance Features DGX-650 Owner’s Manual 55 Re fe re n c e Set ting the Output Gain Lev el Output gain le vel for the PHONES/OUTPUT jack can be switched between two v alues suitable for head- phones or an external audio equipment. 1 Pr ess the [FUNCTION] but ton.
Handy Performance Fea tures DGX-650 Owner’ s Manual 56 Ref ere n c e Int elligent Acoustic C o ntr o l (IA C) IA C is a function which automatically adjusts and controls the sound quality according to the overall volume of the instrument. Ev en when the volume is low , it permits both low sounds and high sounds to be clearly heard.
DGX-650 Owner’s Manual 57 Re fe re n c e V oice Settings Selecting a Dual V oice 1 Hold down the [DU AL ON/OFF] bu tt on for longer than a second to call u p the “V OICE SELECT (DU AL)” display . 2 Rotate the dial to select the desired Dual Vo i c e .
DGX-650 Owner’ s Manual 58 Ref ere n c e Style (Auto Accompaniment) Functions Style V ar iations—Sections Each Style consists of “Sections” that allow you to v ary the arrangement of the accompaniment to match the per- formance you are playing.
Style (Auto Accompanime nt) Functions DGX-650 Owner’s Manual 59 Re fe re n c e 5 P ress the [MAIN/A UTO FILL] but ton t o select Main A or Main B. 6 P ress the [INTR O/ENDING/rit .] but ton. Now , you’ re ready to start Style playback from the Intro section.
Style (Auto Accomp animent) Functions DGX-650 Owner’ s Manual 60 Ref ere n c e Changing the T empo A Style can be played at any tempo you desire—fast or slo w . 1 P ress the [TEMPO/T AP] but ton t o call up the T empo display . 2 Ro tate the dial t o set a tempo.
Style (Auto Accompanime nt) Functions DGX-650 Owner’s Manual 61 Re fe re n c e Set ting the Split P oint The point on the ke yboa rd that separates the left-hand range and the right-hand range of the keyboard is called the “Split Point.
Style (Auto Accomp animent) Functions DGX-650 Owner’ s Manual 62 Ref ere n c e Looking Up Chor ds Using the Chord Dictionar y The Dictionary function is useful when you know the name of a certain c hord and want to quickly learn how to play it.
DGX-650 Owner’s Manual 63 Re fe re n c e Song and Audio Settings Bac kgr ound Music (BGM) Playbac k W ith the default setting, pressing the [DEMO/BGM] button will play back only Ov erview Demo Song repeatedly .
Song and Audio Settings DGX-650 Owner’ s Manual 64 Ref ere n c e T empo Set ting of the Song This operation is same as that of the Style. Refer to page 60. Ta p S t a r t This operation is same as that of the Style. Refer to page 60. Song V olume 1 Pr ess the [FUNCTION] but ton.
Song and Audio Set tings DGX-650 Owner’s Manual 65 Re fe re n c e Changing the V oice of the Song Y ou can change the V oice of Track 1 or 2 in the cur- rent Preset Song temporarily to any other desired Vo i c e . 1 P ress the [SONG/A UDIO] but to n, select the desir ed Prese t Song, then start play- back.
DGX-650 Owner’ s Manual 66 Ref ere n c e The Functions The “F unctions” pro vide access to a r a nge of detailed instrument para meters such as T uning, Split P oint, V oices and Ef fects. T ake a look at the F unction List (pages 67–69). When y ou find the desir ed F unction y ou want t o change , f ollow the instructions belo w.
The Functions DGX-650 Owner’s Manual 67 Re fe re n c e F unction List Category F unction Range/Settings De faul t V alu e Descrip tion Vo l u m e Style V olume 000–1 27 1 00 Ref er to page 60. Song V olume 000–127 1 00 Ref er to page 64. Audi o V olume 000–1 27 1 00 Determines the volume of the Aud io file.
The Function s DGX-650 Owner’ s Manual 68 Ref ere n c e Ef fect Re verb T ype 0 1–36 ** Ref er to page 50. Chorus T ype 0 1–45 ** Refer t o page 50.
The Functions DGX-650 Owner’s Manual 69 Re fe re n c e * The appr opriate v alue is automati cally set for each V oice combination . ** The appr opriate v alue is autom atically set for each Song or Style. *** For det ails, refer t o “Computer -related Oper ations” (page 9).
DGX-650 Owner’ s Manual 70 Ref ere n c e USB Flash Memory Operations By connecting the USB f lash memor y device t o the USB T O DEVICE terminal, y ou can sav e the data cr eated on this instrument , such as User Song and para meter settings. The sav ed data can be recalled t o this instrument a gain for fut ure use.
USB Flash Memo ry Operations DGX-650 Owner’s Manual 71 Re fe re n c e Connecting a USB Flash Memor y 1 Connect a USB f lash memory to the USB T O DEVICE terminal, being car eful to insert it with the pr oper orientation. 2 W ait for co nfir mation that the USB flas h memory has been pr operly mounted.
USB Flash Memory Operations DGX-650 Owner’ s Manual 72 Ref ere n c e F or mat ting a USB Flash Memor y The Format operation lets you prepare commercially av ailable USB flash memory for use with this instru- ment. 1 P ress the [FILE CONTR OL] but ton t o call up the FILE CONTR OL display .
USB Flash Memo ry Operations DGX-650 Owner’s Manual 73 Re fe re n c e Sa ving a R egistration Memor y to USB Flash Memor y This operation sav es a Registration Memory to a USB flash memory de vice. The file name will hav e a “.usr” extension which does not appear in the instrument’ s displ ay .
USB Flash Memory Operations DGX-650 Owner’ s Manual 74 Ref ere n c e Sa ving a User Song t o USB Flash Memor y This operation sav es a User Song (Son g numbers 101–105) to USB flash memory . 1 P ress the [FILE CONTR OL] but ton t o call up the FILE CONTR OL display .
USB Flash Memo ry Operations DGX-650 Owner’s Manual 75 Re fe re n c e Con v er ting a User Song to an A udio f ile This operation con verts a User Song (Song num bers 101–105) to an Audio file and sa ves the f ile to the USB flash memory . 1 P ress the [FILE CONTR OL] but ton t o call up the FILE CONTR OL display .
USB Flash Memory Operations DGX-650 Owner’ s Manual 76 Ref ere n c e Loading F iles from a USB Flash Memory Registration Memory , Style file and Song file (SMF) residing on a USB flash memory can be loa ded into the instrument. 1 P ress the [FILE CONTR OL] but ton t o call up the FILE CONTR OL display .
USB Flash Memo ry Operations DGX-650 Owner’s Manual 77 Re fe re n c e Deleting f iles fr om a USB Flash Memory This procedure deletes Registration Memory , Style file, Song f ile a nd Audio file from a USB flash mem- ory . 1 P ress the [FILE CONTR OL] but ton t o call up the FILE CONTR OL display .
DGX-650 Owner’ s Manual 78 Appendix T roubleshooting For the Instrument Pro bl e m P o ssible Cause and Solution When th e instrument is turned on or of f, a poppin g sound is t emporarily pr oduced. This is normal and in dicates that the instrument is re ceiving electr ical pow er.
DGX-650 Owner’s Manual 79 Appendix Messages LCD Message Comment Access error! Indicates the failure in reading or writing from/to the media or the flash memor y . Clear ing all memory ... Displa yed while erasing all da ta in the flash memory . Nev er tur n the pow er off dur ing data tr ansmission.
DGX-650 Owner’ s Manual 80 Appendix Specifications Size/W eight Dimensions (W x D x H) 1,397 x 445 x 1 46 mm (55” x 1 7 -1/2” x 5-3 /4”) with ke ybo ard stand: 1,399 x 445 x 761 mm (55-1/16” x 17 -1/2” x 29-15/1 6”) We ig h t 22.5k g (49 lbs.
Specifications DGX-650 Owner’s Manual 81 Appendix * Specifications and descriptions in th is owner’s manual are for information purposes only. Yamaha Corp. reserves the right to c hange or modify products or specifications at any time without prior notice.
DGX-650 Owner’ s Manual 82 Appendix Index Symbols [-] and [+] b uttons ..... ......... .......... 22 A A-B Repeat .................. ........... ...... 36 Accessories . ......... ........... ......... ...... 9 AC M P ........ ........... ...........
LIMITED 3-YEAR W ARRANTY ON DIGIT AL PIANOS (P , CP , YDP , DGX640, DGX650) Thank you f or selecting a Y AMAHA product. Y AMAHA products are designed and m anufactured to provide a high level of defect-free performance.
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For details of products , please contact your nearest Y amaha representative or the authorized distrib utor listed below . CAN ADA Y amaha Canada M usic Ltd. 135 Milner A venue, Scarborough, Ontario, M1S 3R1, Canada T el: 416-298-1311 U .S.A. Y amaha Corporation of America 6600 Orangethorpe A ve.
U.R.G., Digital Musical Instruments Division © 2013 Yamaha Corporation 302POZC*.*-01A0 Printed in Indonesia ZF49080 Yamaha Global Site http://www.yamaha.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Yamaha PortableGrand DGX-650 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Yamaha PortableGrand DGX-650 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Yamaha PortableGrand DGX-650, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Yamaha PortableGrand DGX-650 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Yamaha PortableGrand DGX-650, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Yamaha PortableGrand DGX-650.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Yamaha PortableGrand DGX-650. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Yamaha PortableGrand DGX-650 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
