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What are the main features of the YAMAHA PORTATONE PSR-77?
The YAMAHA PORTATONE PSR-77 is a sophisticated musical instrument with the following features and functions:
• Exceptionally realistic sounds with 100 AWM (Advanced Wave Memory) Voices, utilizing digital recordings of actual instruments.
• Dynamic, versatile rhythms and accompaniment with 100 music Styles.
• 20 Songs, for listening enjoyment or for playing along with when using the Minus One function.
• 20 Jam Track patterns, providing specially programmed rhythms and chord progressions for playing along with.
• One Touch Setting, for automatically calling up an appropriate Voice for playing with the Style, Song or Jam Track you select.
• High-quality amplifier/speaker system.
How should I care for my YAMAHA PORTATONE PSR-77?
Your YAMAHA PORTATONE PSR-77 is a fine musical instrument and should be treated with care and common sense. Following these precautions will give you years of enjoyment.
Location
• Avoid exposure to direct sunlight or other sources of heat. Never leave it inside a car where it can get very hot. Also avoid highly humid or dusty places.
Interference From Electromagnetic Fields
• Do not use your PortaTone close to television sets, radios or similar equipment since this may cause interference noise in the other appliance.
Handling
• Protect your PortaTone from strong impact. Be careful not to drop it or place heavy objects on it. Avoid applying excessive force to the controls and keys.
When Not Using the PortaTone
• After use, always turn off the POWER switch. When not using your PortaTone for long periods, be sure to remove the batteries to avoid damage through battery leakage.
Cleaning
• Clean the exterior with a soft, dry cloth. To remove stubborn stains, use a slightly moistened cloth.
• Never use alcohol, thinner, or other chemical solvents, since they will damage the finish. Also, do not leave vinyl chloride material on the PortaTone for a long time, since it may adhere to the exterior.
How do I power the YAMAHA PORTATONE PSR-77?
Your YAMAHA PORTATONE PSR-77 can run on either batteries or normal household current.
Using an AC Power Adaptor
To connect your PortaTone to a wall socket, you will need the optionally available Yamaha PA-3/4/40 Power Adaptor. Plug the adaptor into a convenient wall outlet and its connector into the DC 10-12V IN jack on the back of your PortaTone.
Using Batteries
1. Turn the instrument upside-down and remove the battery compartment lid.
2. Insert six 1.5-volt size “D” batteries as shown in the illustration, making sure that the positive and negative terminals are properly aligned.
3. Replace the lid.
What should I do when the batteries run low on my YAMAHA PORTATONE PSR-77?
When the batteries run low and the battery voltage drops below a certain level, the YAMAHA PORTATONE PSR-77 may not sound or function properly. As soon as this happens, replace them with a complete set of six new batteries. Never mix old and new or different types of batteries (e.g., alkaline and manganese).
What is the Auto Power OFF feature on the YAMAHA PORTATONE PSR-77?
The YAMAHA PORTATONE PSR-77 features an Auto Power OFF function that automatically turns the power OFF if the instrument is not used for approximately 30 minutes. This functions whether batteries or the AC power adaptor is used.
How can I use headphones or connect my YAMAHA PORTATONE PSR-77 to an external amplifier?
Using Headphones
For private practicing and playing without disturbing others, connect a set of stereo headphones to the rear panel HEADPHONES/AUX OUT jack. Sound from the built-in speaker system is automatically cut off when you insert a headphone plug into this jack.
Connecting a Keyboard Amplifier or Stereo System
After making sure the PortaTone and any external devices are turned off, connect one end of a stereo audio cable to the LINE IN or AUX. IN jack(s) of the other device and the other end to the HEADPHONES/AUX OUT jack of the PortaTone.
How do I set up the music stand for the YAMAHA PORTATONE PSR-77?
Insert the bottom edge of the music stand into the slot located at the top rear of the YAMAHA PORTATONE PSR-77 control panel.
How do I turn on the YAMAHA PORTATONE PSR-77 and select an operating mode?
Turning on the Power
Press the POWER ON/OFF button to turn on the power of the PortaTone. Whenever the power is turned on, Voice 01 (PIANO) is automatically selected.
Selecting a Mode
Your PortaTone has three different operating modes: Voice, Style and Song — each selected from the corresponding panel buttons.
• VOICE lets you select and play a Voice.
• STYLE lets you select and play a setting that includes a rhythm/accompaniment pattern.
• SONG lets you select and play either a Song or a Jam Track pattern.
To select one of the modes, press the button corresponding to the desired mode.
How do I select and play a Song on the YAMAHA PORTATONE PSR-77?
1. With the Song mode selected (by pressing the SONG button), use the Numeric Keypad to enter the desired Song or Jam Track number. Be sure to enter a two-digit number. For example, to select Song 09, first press ‘0’ then ‘9’. You can also use the +/- buttons to step through the numbers.
2. To play the selected Song, press the START/STOP button.
3. Adjust the volume of the Song by using the VOLUME control.
4. You can change the speed of the Song by using the TEMPO buttons. Press TEMPO + to increase the speed and TEMPO – to decrease it.
5. To stop the Song, press the START/STOP button again.
Note: You should enter numbers on the Numeric Keypad relatively quickly. If you do not enter the second digit within about ten seconds of the first, the first digit will be cancelled.
What do the flashing dots on the MULTI DISPLAY of my YAMAHA PORTATONE PSR-77 indicate?
The dots in the MULTI DISPLAY flash in time with the rhythm when a Song or Style plays back. This provides a visual indication of both the tempo and the time signature of the rhythm.
• For Songs and Styles in 4/4 time, the left dot flashes on the first beat of every measure, and the right dot flashes on the other three beats.
• For Songs and Styles in 3/4 time, the left dot flashes on the first beat, the right dot on the second beat, and both dots on the third beat.
How do I adjust the tempo on the YAMAHA PORTATONE PSR-77?
You can adjust the tempo using the TEMPO + and TEMPO – buttons. The tempo value is briefly shown in the MULTI DISPLAY when a button is pressed. The displayed range is from 10 to 60, which corresponds to an actual tempo range of 40 to 240 beats per minute.
Default Tempos
Each Song and Style has a default tempo. If you change the tempo, you can reset it to the original default setting by pressing both TEMPO buttons simultaneously. The tempo also returns to the default when selecting a different Song or Style. When you turn on the power, the tempo is automatically set to the default of Style 01.
What types of Voices are available on the YAMAHA PORTATONE PSR-77?
The YAMAHA PORTATONE PSR-77 features 100 authentic Voices, divided into various categories:
• Dual Voices (#41 – #56): Feature two Voices mixed together in a layer for rich ensemble sounds.
• Split Voices (#57 – #67): Also have two Voices, but each is played from a different range of the keyboard.
• Sustain Voices (#68 – #72): Extend the sound by adding a natural, slow release.
• Harmony Voices (#73 – #85): Have an additional one-, two- or three-note harmony added to the original monophonic Voice.
• Echo Voices (#86 – #00): Have an echo effect that adds delayed repeats to the original Voice.
• PERCUSSION Voices (#40 and #00): Let you play various drum and percussion sounds from the keyboard.
How do I select and play a Voice on the YAMAHA PORTATONE PSR-77?
1. Press the VOICE button to select the Voice mode.
2. Use the Numeric Keypad to select the desired Voice number.
3. Play the newly selected Voice. To change to another Voice, repeat step 2.
You can also play rhythm Styles in the Voice mode by simply pressing the START/STOP button. The Style last selected from the Style mode will be played.
How do the Harmony Voices work on the YAMAHA PORTATONE PSR-77?
Since Harmony Voices are designed to automatically play two or more notes with the notes you play on the keyboard, only one note can be played on the keyboard at a time. If several notes are played together, only the last note or highest note played will be heard.
The type of harmony used depends on the Voice that is selected. When a Style or Song/Jam Track is not being played back, the basic key for the harmony is always C. When a Style is played or the Stopped Accompaniment function is active, the harmony changes according to the chord played with the left hand. When a Song is played back, the harmony changes according to the chord progression of the Song or Jam Track.
What is the maximum polyphony of the YAMAHA PORTATONE PSR-77?
The YAMAHA PORTATONE PSR-77 is polyphonic up to a maximum of 12 notes. Depending on the Voice selected, fewer notes may be available. This includes not only the Voices played from the keyboard, but also the notes in a style pattern, and so on. Thus, if you play too many notes at one time, some may not sound and/or others may be cancelled.
How do I use the Style Mode on my YAMAHA PORTATONE PSR-77?
The Style mode provides dynamic rhythm and accompaniment patterns. To use it:
1. Press the STYLE button to select the Style mode.
2. Use the Numeric Keypad to select the desired Style number from the 100 available Styles.
3. Start the selected rhythm by pressing the START/STOP button. Alternatively, use the Synchro Start function by pressing the SYNC-START/FILL IN button, then pressing a key in the AUTO ACCOMP. SECTION of the keyboard.
4. With the rhythm running, play single notes or chords with your left hand in the AUTO ACCOMP. SECTION (keys C1 through F#2) to control the accompaniment.
5. Use the TEMPO buttons to change the tempo.
6. While the Style is playing, press the SYNC-START/FILL IN button to add a variation with a special Fill In pattern.
7. To stop the rhythm, press the START/STOP button again. This will produce a simple ending phrase.
How do I use Auto Accompaniment on the YAMAHA PORTATONE PSR-77?
The Auto Accompaniment function automatically generates bass and chord accompaniment for you to play along with, using Multi Fingering operation. You can change the chords of the accompaniment by playing keys in the AUTO ACCOMP. SECTION of the keyboard using either the “Single Finger” or “Fingered” method. The PortaTone “understands” what chord you indicate and then automatically generates the accompaniment.
Chords played in the AUTO ACCOMP. SECTION of the keyboard are also detected and played when the accompaniment is stopped (Stopped Accompaniment function).
To use the Minus One function with one of the styles, press the MINUS ONE button. Minus One cancels all chord accompaniment, leaving only the bass and basic rhythm of the Style.
How do I play Single Finger chords for Auto Accompaniment on my YAMAHA PORTATONE PSR-77?
In Single Finger operation, you can produce major, minor, seventh, and minor seventh chords with one, two, or three fingers. The following examples are for the key of C:
• Major (C): Press the root of the chord (the C key).
• Seventh (C7): Press the root note together with any white key to the left of it.
• Minor (Cm): Press the root note together with any black key to the left of it.
• Minor Seventh (Cm7): Press the root note together with any white and black key to the left of it (three keys altogether).
How can I set the Auto Accompaniment mode to Single Finger or Fingered exclusively on my YAMAHA PORTATONE PSR-77?
Though detection of Single Finger and Fingered methods is automatic, you can set Auto Accompaniment to function exclusively in one mode.
• To set to Single Finger: Turn the power off, then hold down the “-” button on the Numeric Keypad and simultaneously turn the power on. “SF” (Single Finger) briefly appears in the MULTI DISPLAY. In this mode, the AUTO ACCOMP. SECTION is set between the C1 key (the lowest key) and the C#2 key.
• To set to Fingered: Follow the same steps, but hold down the “+” button instead. “F” (Fingered) briefly appears in the MULTI DISPLAY.
To switch back to Multi Fingering (automatic) operation, simply turn the power off and on again.
What Fingered Chords can be recognized by the YAMAHA PORTATONE PSR-77?
The chart below shows the types of chords that can be recognized in the Fingered mode, using the key of C as an example. Notes in parentheses are optional.
| Chord Type | Example in C |
|---|---|
| C | C – E – G |
| C7sus4 | C – F – G – Bb |
| Cm | C – Eb – G |
| Caug(7) | C – E – G# – (Bb) |
| C7 | C – E – G – Bb |
| Cdim(7) | C – Eb – Gb – (A) |
| Cm7 | C – Eb – G – Bb |
| C7b5 | C – E – Gb – Bb |
| CM7 | C – E – G – B |
| CmM7 | C – Eb – G – B |
| Cm7b5 | C – Eb – Gb – Bb |
| Cm6 | C – Eb – G – A |
| Csus4 | C – F – G |
| C9 | C – E – G – Bb – D |
Additional Notes:
• Inverted chords (e.g., G-C-E for a C chord) are still recognized correctly.
• Minor 6th chords are recognized only in root position.
• The PortaTone also has a Chord Cancel function. To use it, simultaneously press any three consecutive notes in the AUTO ACCOMP. SECTION (e.g., C, C#, D). This stops the chord accompaniment but allows the rhythm pattern to continue playing.
How do I use the One Touch Setting in Style Mode on my YAMAHA PORTATONE PSR-77?
The One Touch Setting function automatically selects an appropriate Voice for playing with the Style you select. When One Touch Setting is on, the Voice automatically changes when you change the Style.
To turn on the One Touch Setting function, press the ONE TOUCH SETTING button. The LED next to the button lights.
To turn the function off, press the button again.
Note: When the One Touch Setting is on, selecting another Style will automatically reset the tempo to the default of the selected Style.
How do I select and play a Song or Jam Track pattern on my YAMAHA PORTATONE PSR-77?
1. Press the SONG button to select the Song mode.
2. Use the Numeric Keypad to select the desired Song (01-20) or Jam Track (21-40) number.
3. Start the selected Song or Jam Track by pressing the START/STOP button. You can also use Synchro Start by pressing any key on the keyboard.
4. To change to another Song or Jam Track pattern, repeat step 2.
5. To stop the Song or pattern, press the START/STOP button again.
If playback is not stopped, all Songs play back repeatedly in succession. If a Jam Track pattern is selected, only that pattern repeats indefinitely.
What is the Minus One function and how do I use it on the YAMAHA PORTATONE PSR-77?
The Minus One function takes away (mutes) the melody part of a selected Song, allowing you to play that part yourself. You can turn Minus One on before starting a Song, or even while a Song is playing.
To use the Minus One function with the selected Song, press the MINUS ONE button. The LED next to the button will light up. Scores for all Songs are provided in the owner’s manual to help you play the missing melody.
How does the One Touch Setting work in Song Mode on the YAMAHA PORTATONE PSR-77?
In Song Mode, the One Touch Setting function works with the Minus One function to automatically select an appropriate Voice for playing the melody along with the Song you select. For Jam Track patterns, One Touch Setting automatically selects an appropriate Voice for you to play along with.
To turn on the One Touch Setting function, press the ONE TOUCH SETTING button. The LED next to the button will light up. To turn it off, press the button again.
What should I do if I encounter problems with my YAMAHA PORTATONE PSR-77?
| Problem | Possible Cause and Solution |
|---|---|
| When the PortaTone is turned on or off, a buzzing sound is temporarily produced. | This is normal and indicates that power is flowing into the PortaTone. |
| The sound of the voices or rhythms seems unusual or strange. | The battery power is too low. Replace the batteries. |
| Not all notes are heard when playing a number of notes simultaneously. | Too many keys are pressed at the same time. The PortaTone is polyphonic up to a maximum of 12 notes. |
| The sound of the Voice changes from note to note. | The AWM tone generation method uses multiple recordings (samples) of an instrument across the range of the keyboard; thus, the actual sound of the Voice may be slightly different from note to note. |
| The power cannot be turned on. | Quick, successive pressing of the POWER ON/OFF button may fail to turn the power on. When using the POWER ON/OFF button, wait a short time between successive presses. |
Which percussion sounds are assigned to the keys for Voices 40 and 00 on the YAMAHA PORTATONE PSR-77?
The following percussion sounds are assigned to the keys on the keyboard when you select Voice 40 or 00.
| Key | Sound (PSR-77) |
|---|---|
| Lowest Keys | Bass Drum 1, Bass Drum 2, Snare Drum 2, Snare Drum 3 |
| Lower-Mid Keys | Tom Bass, Tom Low, Tom Mid, Tom High |
| Mid Keys | Snare Drum 1, Rim Shot, Hi-hat Pedal, Hi-hat Close, Hi-hat Open, Crash Cymbal |
| Upper-Mid Keys | Splash Cymbal, Synth Bass Drum, Synth Snare Drum, Synth Tom Low, Synth Tom Mid, Synth Tom High, Splash Cymbal Mute, Synth Tom Bass |
| Highest Keys | Synth Rim Shot, Crash Cymbal Mute, Synth Hi-hat Close, Synth Hi-hat Open |
What are the chord progressions for the Jam Tracks on the YAMAHA PORTATONE PSR-77?
| No. | Name | Tempo | Chord Progression |
|---|---|---|---|
| 21 | DANCE | 120 | | Am7 | % | Em7 | % | Dm7 | % | Em7 | Am7 | |
| 22 | RAP | 116 | | Am7 | % | % | % | Am7 | % | % | % | |
| 23 | FUNK | 97 | | C7 | F7 | C7 | F7 | C7 | % | % | % | |
| 24 | SOUL BALLAD | 104 | | C | % | Am | % | Dm7 | % | G7 | Gaug | |
| 25 | MINOR BLUES | 111 | | Am | % | % | % | Dm | % | Am | % | E | % | Am | % | |
| 26 | HEAVY METAL | 120 | | C | % | Bb | C | |
| 27 | BOOGIE WOOGIE | 136 | | C | % | % | % | F | % | C | C | G | F | C | G | |
| 28 | ROCK’N ROLL | 144 | | C | Am | F | G | |
| 29 | R&B | 136 | | C7 | F7 | C7 | F7 G7 | |
| 30 | SLOW ROCK | 88 | | C | Am7 | F | G7 | |
| 31 | JAZZ BLUES | 160 | | C7 | F7 | C7 | C7 | F7 | F7 | C7 | A7 | Dm7 | G7 | C7 A7 | Dm7 G7 | |
| 32 | JAZZ WALTZ | 192 | | C7 | % | % | % | F7 | % | C7 | % | G7 | % | G#7 | G7 | C7 | % | % | % | |
| 33 | FUSION | 128 | | Dm7 | % | G7 | % | |
| 34 | BOSSA NOVA | 160 | | Em7 | Eb7 | Dm7 | Db7 | |
| 35 | SAMBA | 112 | | CFG | % | % | % | |
| 36 | TANGO | 121 | | E7 | % | Am | % | |
| 37 | SKA | 160 | | Am | % | Dm | % | |
| 38 | COUNTRY | 120 | | C | F | C | G7 | C | F | C G7 | C | |
| 39 | MARCH | 116 | | C | % | G7 | C | |
| 40 | NEW AGE | 84 | | C | % | C# | C. | |
What are the default Voice and Tempo settings when using One Touch Setting on the YAMAHA PORTATONE PSR-77?
When the One Touch Setting function is turned on, the following voice and tempo are automatically selected for each Jam Track and Style.
Jam Track List
| NO. | VOICE | TEMPO |
|---|---|---|
| 21 | 48 PIANO PAD | 120 |
| 22 | 18 ORCHESTRA HIT | 116 |
| 23 | 49 PIANO & VIBES | 92 |
| 24 | 29 TENOR SAX | 104 |
| 25 | 01 PIANO | 144 |
| 26 | 13 DIST GUITAR | 120 |
| 27 | 01 PIANO | 136 |
| 28 | 05 E ORGAN | 144 |
| 29 | 54 BRASS ENS | 136 |
| 30 | 50 E PIANO PAD | 88 |
| 31 | 49 PIANO&VIBES | 160 |
| 32 | 29 TENOR SAX | 192 |
| 33 | 42 CHORUS E PNO | 128 |
| 34 | 26 FLUTE | 160 |
| 35 | 82 TRUMPET DUET | 112 |
| 36 | 07 ACCORDION | 124 |
| 37 | 22 TROMBONE | 160 |
| 38 | 78 VIOLIN CNTRY | 120 |
| 39 | 21 TRUMPET | 116 |
| 40 | 50 E PIANO PAD | 84 |
Style List (01-50)
| NO. | VOICE | TEMPO | NO. | VOICE | TEMPO |
|---|---|---|---|---|---|
| 01 | 32 SY BRASS | 152 | 26 | 31 HARMONICA | 96 |
| 02 | 33 SY LEAD | 188 | 27 | 22 TROMBONE | 120 |
| 03 | 42 CHORUS E PNO | 104 | 28 | 42 CHORUS E PNO | 88 |
| 04 | 56 FANTASY2 | 200 | 29 | 19 VIBRAPHONE | 84 |
| 05 | 50 E PIANO PAD | 120 | 30 | 05 E ORGAN | 104 |
| 06 | 52 FOLK GTR PAD | 92 | 31 | 05 E ORGAN | 104 |
| 07 | 01 PIANO | 92 | 32 | 29 TENOR SAX | 92 |
| 08 | 26 FLUTE | 92 | 33 | 73 PIANO BLOCK | 152 |
| 09 | 19 VIBRAPHONE | 80 | 34 | 05 E ORGAN | 144 |
| 10 | 05 E ORGAN | 68 | 35 | 44 12STR GUITAR | 140 |
| 11 | 50 E PIANO PAD | 112 | 36 | 13 DIST GUITAR | 120 |
| 12 | 53 JAZZ GUITAR PAD | 116 | 37 | 52 FOLK GTR PAD | 116 |
| 13 | 55 FANTASY 1 | 112 | 38 | 30 PANFLUTE | 128 |
| 14 | 51 E PNO & VIBES | 112 | 39 | 42 CHORUS E PNO | 120 |
| 15 | 52 FOLK GTR PAD | 112 | 40 | 68 PIANO SUSTAIN | 120 |
| 16 | 49 PIANO & VIBES | 96 | 41 | 05 E ORGAN | 88 |
| 17 | 24 BRASS ENS | 104 | 42 | 29 TENOR SAX | 176 |
| 18 | 18 ORCHESTRA HIT | 116 | 43 | 41 HONKY-TONK | 136 |
| 19 | 04 CLAVI | 112 | 44 | 77 C ORGAN TRIO | 156 |
| 20 | 30 PANFLUTE | 108 | 45 | 24 BRASS ENS | 136 |
| 21 | 50 E PIANO PAD | 140 | 46 | 22 TROMBONE | 88 |
| 22 | 32 SY BRASS | 120 | 47 | 21 TRUMPET | 148 |
| 23 | 54 BRASS ENS DUAL | 120 | 48 | 19 VIBRAPHONE | 108 |
| 24 | 50 E PIANO PAD | 128 | 49 | 54 BRASS ENS DUAL | 152 |
| 25 | 82 TRUMPET DUET | 120 | 50 | 22 TROMBONE | 176 |
Style List (51-100)
| NO. | VOICE | TEMPO | NO. | VOICE | TEMPO |
|---|---|---|---|---|---|
| 51 | 09 JAZZ GTR | 160 | 76 | 33 SY LEAD | 120 |
| 52 | 31 HARMONICA | 140 | 77 | 49 PIANO&VIBES | 100 |
| 53 | 19 VIBRAPHONE | 120 | 78 | 50 E PIANO PAD | 192 |
| 54 | 22 TROMBONE | 148 | 79 | 31 HARMONICA | 120 |
| 55 | 26 FLUTE | 128 | 80 | 07 ACCORDION | 112 |
| 56 | 07 ACCORDION | 124 | 81 | 74 PIANO CNTRY | 120 |
| 57 | 82 TRUMPET DUET | 104 | 82 | 05 E ORGAN | 132 |
| 58 | 22 TROMBONE | 88 | 83 | 78 VIOLIN CNTRY | 120 |
| 59 | 81 MARIMBA TRIO | 68 | 84 | 31 HARMONICA | 76 |
| 60 | 22 TROMBONE | 160 | 85 | 80 VIBES BLOCK | 88 |
| 61 | 05 E ORGAN | 124 | 86 | 09 J GUITAR | 204 |
| 62 | 24 BRASS ENS | 136 | 87 | 11 E GUITAR | 176 |
| 63 | 20 MARIMBA | 112 | 88 | 27 CLARINET | 116 |
| 64 | 82 TRUMPET DUET | 200 | 89 | 14 VIOLIN | 132 |
| 65 | 22 TROMBONE | 116 | 90 | 17 STRINGS | 200 |
| 66 | 81 MARIMBA TRIO | 152 | 91 | 73 PIANO BLOCK | 144 |
| 67 | 72 VIBRAPHONE SUSTAIN | 84 | 92 | 29 TENOR SAX | 120 |
| 68 | 26 FLUTE | 96 | 93 | 82 TRUMPET DUET | 112 |
| 69 | 72 VIBRAPHONE SUSTAIN | 152 | 94 | 25 PICCOLO | 124 |
| 70 | 21 TRUMPET | 104 | 95 | 07 ACCORDION | 120 |
| 71 | 29 TENOR SAX | 208 | 96 | 27 CLARINET | 128 |
| 72 | 80 VIBES BLOCK | 140 | 97 | 83 HORN DUET | 72 |
| 73 | 26 FLUTE | 140 | 98 | 55 FANTASY 1 | 180 |
| 74 | 33 SY LEAD | 128 | 99 | 17 STRINGS | 148 |
| 75 | 84 FLUTE DUET | 112 | 100 | 48 PIANO PAD | 84 |
What are the specifications of the YAMAHA PORTATONE PSR-77?
| KEYBOARD | |
| Number of Keys | 49 |
| Key Size | Regular |
| Register | C1-C5 |
| VOICE | |
| Tone Generation | AWM |
| Number of Voices | 100 |
| Polyphony (Maximum) | 12 notes |
| STYLE | |
| Number of Styles | 100 |
| Auto Accompaniment | Yes |
| Chord Detection | Multi (Single Finger, Fingered) |
| SONG/JAM TRACK | |
| Songs | 20 |
| Jam Track Patterns | 20 |
| Minus One | Yes |
| One Touch Setting | Yes |
| CONTROLS | POWER ON/OFF, VOICE, STYLE, SONG, Numeric Keypad, MINUS ONE, START/STOP, ONE TOUCH SETTING, TEMPO, SYNC-START/FILL IN, MULTI DISPLAY, VOLUME |
| OTHER TERMINALS, FITTINGS | DC IN, HEADPHONES/AUX OUT, Music Stand |
| AMPLIFIER(S) | using Power Adaptor: 3.8W, using batteries: 3.8W |
| POWER CONSUMPTION | 8.0 W (using Power Adaptor PA-3) |
| RATED POWER SUPPLY | DC 10-12 V: 6 “D” size/R-20/SUM-1 (1.5 V) batteries, or PA-3/4/40 Power Adaptor |
| DIMENSIONS (W x D x H) | 964 x 287 x 113mm (38″ X 11-1/4″ X 4-1/2″) |
| WEIGHT | 3.6kg (7 lbs., 15 oz.) |
| CASING | Polystyrene |
| OPTIONAL ACCESSORIES | HPE-3/150 Headphones, PA-3/4/40 Power Adaptors, L-2C Keyboard Stand |
What are the important safety and environmental notices for the YAMAHA PORTATONE PSR-77?
Hearing Safety
This product may be capable of producing sound levels that could cause permanent hearing loss. DO NOT operate for long periods of time at a high volume level or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an audiologist.
Battery Notice
This product may use “household” type batteries. When installing batteries, do not mix batteries with new, or with batteries of a different type. Batteries MUST be installed correctly. Mismatches or incorrect installation may result in overheating and battery case rupture. Do not attempt to disassemble, or incinerate any battery. Keep all batteries away from children. Dispose of used batteries promptly and as regulated by local laws.
FCC INFORMATION (U.S.A.)
This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class “B” digital devices. If this product is found to be the source of interference with other electronic devices, which can be determined by turning the unit “OFF” and “ON,” please try to eliminate the problem by using one of the following measures:
• Relocate either this product or the device that is being affected by the interference.
• Utilize power outlets that are on different branch (circuit breaker or fuse) circuits or install AC line filter/s.
• In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to co-axial type cable.
How to use the PDF below:
* Touchscreen: Swipe up/down with-in the PDF to scroll and pinch or spread with two fingers to zoom.
* Mouse: While your mouse is hovering over the PDF, use the mouse wheel to scroll and click on the – / + buttons at the bottom of the PDF to zoom.
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