Roland AT 15 Service Manual

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Owner’s Manual

Before using this unit, carefully read the sections entitled: “IMPORTANT SAFETY INSTRUCTIONS” (p. 2), “USING THE UNIT SAFELY” (p. 3, 4), and “IMPORTANT NOTES” (p. 5, 6). These sections provide important information concerning the proper operation of the unit. Additionally, in order to feel assured that you have gained a good grasp of every feature provided by your new unit, Owner’s manual should be read in its entirety. The manual should be saved and kept on hand as a convenient reference.

Copyright © 2003 ROLAND CORPORATION

All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

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.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS.

IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS

WARNING - When using electric products, basic precautions should always be followed, including the following:

1.Read these instructions.

2.Keep these instructions.

3.Heed all warnings.

4.Follow all instructions.

5.Do not use this apparatus near water.

6.Clean only with a dry cloth.

7.Do not block any of the ventilation openings. Install in accordance with the manufacturers instructions.

8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.

9.Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. When the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

10.Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.

11.Only use attachments/accessories specified by the manufacturer.

12.Never use with a cart, stand, tripod, bracket, or table except as specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.

13.Unplug this apparatus during lightning storms or when unused for long periods of time.

14.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

For the U.K.

IMPORTANT: THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE.

BLUE: NEUTRAL

BROWN: LIVE

As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.

The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.

Under no circumstances must either of the above wires be connected to the earth terminal of a three pin plug.

2

USING THE UNIT SAFELY

Used for instructions intended to alert the user to the risk of death or severe injury should the unit be used improperly.

Used for instructions intended to alert the user to the risk of injury or material damage should the unit be used improperly.

* Material damage refers to damage or other adverse effects caused with respect to the home and all its furnishings, as well to domestic animals or pets.

The symbol alerts the user to important instructions or warnings.The specific meaning of the symbol is determined by the design contained within the triangle. In the case of the symbol at left, it is used for general cautions, warnings, or alerts to danger.

The symbol alerts the user to items that must never be carried out (are forbidden). The specific thing that must not be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the unit must never be disassembled.

The symbol alerts the user to things that must be carried out. The specific thing that must be done is indicated by the design contained within the circle. In the case of the symbol at left, it means that the powercord plug must be unplugged from the outlet.

001

Before using this unit, make sure to read the instructions below, and the Owner’s Manual.

..........................................................................................................

002a

• Do not open or perform any internal modifications on the unit.

..........................................................................................................

003

Do not attempt to repair the unit, or replace parts within it (except when this manual provides specific instructions directing you to do so). Refer all servicing to your retailer, the nearest Roland

Service Center, or an authorized Roland distributor, as listed on the “Information” page.

..........................................................................................................

004

• Never use or store the unit in places that are:

• Subject to temperature extremes (e.g., direct sunlight in an enclosed vehicle, near a heating duct, on top of heat-generating equipment); or are

Damp (e.g., baths, washrooms, on wet floors); or are

Humid; or are

Exposed to rain; or are

Dusty; or are

Subject to high levels of vibration.

..........................................................................................................

007

• Make sure you always have the unit placed so it is level and sure to remain stable. Never place it on stands that could wobble, or on inclined surfaces.

..........................................................................................................

008a

The unit should be connected to a power supply only of the type described in the operating instructions, or as marked on the rear side of unit.

..........................................................................................................

008e

Use only the attached power-supply cord. Also, the supplied power cord must not be used with any other device.

..........................................................................................................

009

Do not excessively twist or bend the power cord, nor place heavy objects on it. Doing so can damage the cord, producing severed elements and short circuits. Damaged cords are fire and shock

hazards!

..........................................................................................................

010

This unit, either alone or in combination with an amplifier and headphones or speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period 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

immediately stop using the unit, and consult an audiologist.

..........................................................................................................

011

Do not allow any objects (e.g., flammable material, coins, pins); or liquids of any kind (water, soft drinks, etc.) to penetrate the unit.

..........................................................................................................

012a:

Immediately turn the power off, remove the power cord from the outlet, and request servicing by your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page when:

The power-supply cord, or the plug has been damaged; or

If smoke or unusual odor occurs

Objects have fallen into, or liquid has been spilled onto the unit; or

The unit has been exposed to rain (or otherwise has become wet); or

The unit does not appear to operate normally or exhibits a marked change in performance.

..........................................................................................................

3

USING THE UNIT SAFELY

013

In households with small children, an adult should provide supervision until the child is capable of following all the rules essential for the

safe operation of the unit.

..........................................................................................................

014

Protect the unit from strong impact. (Do not drop it!)

..........................................................................................................

015

Do not force the unit’s power-supply cord to share an outlet with an unreasonable number of other devices. Be especially careful when using extension cords—the total power used by all devices you have connected to the extension

cord’s outlet must never exceed the power rating (watts/amperes) for the extension cord. Excessive loads can cause the insulation on the cord to heat up and eventually melt through.

..........................................................................................................

016

• Before using the unit in a foreign country, consult with your retailer, the nearest Roland Service Center, or an authorized Roland distributor, as listed on the “Information” page.

..........................................................................................................

026

Do not put anything that contains water (e.g., flower vases) on this unit. Also, avoid the use of insecticides, perfumes, alcohol, nail polish, spray cans, etc., near the unit. Swiftly wipe away any liquid that spills on the unit using a dry, soft cloth.

101a

The unit should be located so that its location or position does not interfere with its proper venti-

lation.

..........................................................................................................

102b

• Always grasp only the plug on the power-supply

cord when plugging into, or unplugging from, an outlet or this unit.

..........................................................................................................

103a:

At regular intervals, you should unplug the power plug and clean it by using a dry cloth to wipe all dust and other accumulations away from its prongs. Also, disconnect the power plug from the power outlet whenever the unit is to remain

unused for an extended period of time. Any accumulation of dust between the power plug and the power outlet can result in poor insulation and lead to fire.

..........................................................................................................

104

Try to prevent cords and cables from becoming entangled. Also, all cords and cables should be placed so they are out of the reach of children.

..........................................................................................................

106

Never climb on top of, nor place heavy objects on the unit.

..........................................................................................................

107b

• Never handle the power cord or its plugs with wet

hands when plugging into, or unplugging from, an outlet or this unit.

..........................................................................................................

108d: Selection

If you need to move the instrument, take note of the precautions listed below. At least two persons are required to safely lift and move the unit. It should be handled carefully, all the while keeping it level. Make sure to have a firm grip, to protect yourself from injury and the instrument from damage.

Check to make sure the knob bolts securing the unit to the stand have not become loose. Fasten them again securely whenever you notice any loosening.

Disconnect the power cord.

Disconnect all cords coming from external devices.

Raise the adjusters on the stand (p. 16).

Remove the music stand.

..........................................................................................................

109a

• Before cleaning the unit, turn off the power and unplug the power cord from the outlet (p. 16).

..........................................................................................................

110a

• Whenever you suspect the possibility of lightning

in your area, pull the plug on the power cord out of the outlet.

..........................................................................................................

117: Selection

When using the bench, please observe the following points:

Do not use the bench as a toy, or as a stepping stool.

Do not allow two or more persons to sit on the bench.

Do not sit on the bench if the bolts holding the bench legs are loose. (If the bolts are loose,

immediately re-tighten them using the supplied wrench.)

..........................................................................................................

118

Should you remove knob bolts, make sure to put them in a safe place out of children’s reach, so there is no chance of them being swallowed accidentally.

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4

Important Notes

291b

In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2, 3 and 4, please read and observe the following:

Power Supply

301

Do not connect this unit to same electrical outlet that is being used by an electrical appliance that is controlled by an inverter (such as a refrigerator, washing machine, microwave oven, or air conditioner), or that contains a motor. Depending on the way in which the electrical appliance is used, power supply noise may cause this unit to malfunction or may produce audible noise. If it is not practical to use a separate electrical outlet, connect a power supply noise filter between this unit and the

electrical outlet.

307

Before connecting this unit to other devices, turn off the power to all units. This will help prevent malfunctions

and/or damage to speakers or other devices.

308

Although the LCD and LEDs are switched off when the POWER switch is switched off, this does not mean that the unit has been completely disconnected from the source of power. If you need to turn off the power completely, first turn off the POWER switch, then unplug the power cord from the power outlet. For this reason, the outlet into which you choose to connect the power cord's plug should be one that is within easy reach and readily accessible.

354b

Do not expose the unit to direct sunlight, place it near devices that radiate heat, leave it inside an enclosed vehicle, or otherwise subject it to temperature extremes. Also, do not allow lighting devices that normally are used while their light source is very close to the unit (such as a piano light), or powerful spotlights to shine upon the same area of the unit for extended periods of time.

Excessive heat can deform or discolor the unit.

355b

When moved from one location to another where the temperature and/or humidity is very different, water droplets (condensation) may form inside the unit. Damage or malfunction may result if you attempt to use the unit in this condition. Therefore, before using the unit, you must allow it to stand for several hours, until the condensation

has completely evaporated.

356

Do not allow rubber, vinyl, or similar materials to remain on the unit for long periods of time. Such objects can

discolor or otherwise harmfully affect the finish.

358

Do not allow objects to remain on top of the keyboard or pedal board. This can be the cause of malfunction, such as

keys ceasing to produce sound.

359

Do not paste stickers, decals, or the like to this instrument. Peeling such matter off the instrument may damage the exterior finish.

Placement

351

Using the unit near power amplifiers (or other equipment containing large power transformers) may induce hum. To alleviate the problem, change the orientation of this unit; or move it farther away from the source of

interference.

352a

This device may interfere with radio and television reception. Do not use this device in the vicinity of such

receivers.

352b

Noise may be produced if wireless communications devices, such as cell phones, are operated in the vicinity of this unit. Such noise could occur when receiving or initiating a call, or while conversing. Should you experience such problems, you should relocate such wireless devices so they are at a greater distance from this

unit, or switch them off.

353

Observe the following when using the unit’s floppy disk drive. For further details, refer to “Before Using Floppy Disks” (p. 6).

Do not place the unit near devices that produce a strong magnetic field (e.g., loudspeakers).

Install the unit on a solid, level surface.

Do not move the unit or subject it to vibration while the drive is operating.

Maintenance

401b

To clean the unit, use a dry, soft cloth; or one that is slightly dampened. Try to wipe the entire surface using an equal amount of strength, moving the cloth along with the grain of the wood. Rubbing too hard in the same area can

damage the finish.

402

Never use benzine, thinners, alcohol or solvents of any kind, to avoid the possibility of discoloration and/or deformation.

Additional Precautions

552

Unfortunately, it may be impossible to restore the contents of data that was stored on a floppy disk and internal memory once it has been lost. Roland Corporation

assumes no liability concerning such loss of data.

553

Use a reasonable amount of care when using the unit’s buttons, sliders, or other controls; and when using its jacks

and connectors. Rough handling can lead to malfunctions.

554

• Never strike or apply strong pressure to the display.

555

• A small amount of noise may be heard from the display during normal operation.

556

When connecting / disconnecting all cables, grasp the connector itself—never pull on the cable. This way you will avoid causing shorts, or damage to the cable’s internal elements.

5

IMPORTANT NOTES

557

• A small amount of heat will radiate from the unit during normal operation.

558a

To avoid disturbing your neighbors, try to keep the unit’s volume at reasonable levels. You may prefer to use headphones, so you do not need to be concerned about

those around you (especially when it is late at night).

559b

When you need to transport the unit, pack it in shockabsorbent material. Transporting the unit without doing so can cause it to become scratched or damaged, and

could lead to malfunction.

560

• Do not apply undue force to the music stand while it is in use.

562

Use a cable from Roland to make the connection. If using some other make of connection cable, please note the following precautions.

Some connection cables contain resistors. Do not use cables that incorporate resistors for connecting to this unit. The use of such cables can cause the sound level to be extremely low, or impossible to hear. For information on cable specifications, contact the manufacturer of the cable.

Before Using Floppy Disks

Handling the Floppy Disk Drive

602

• Install the unit on a solid, level surface in an area free from vibration.

603

Avoid using the unit immediately after it has been moved to a location with a level of humidity that is greatly different than its former location. Rapid changes in the environment can cause condensation to form inside the drive, which will adversely affect the operation of the drive and/or damage floppy disks. When the unit has been moved, allow it to become accustomed to the new

environment (allow a few hours) before operating it.

604

To insert a disk, push it gently but firmly into the drive— it will click into place. To remove a disk, press the EJECT button firmly. Do not use excessive force to remove a disk

which is lodged in the drive.

605a

Never eject a disk while reading or writing is in progress, since that can damage the magnetic surface of the disk, rendering it unusable. (The disk drive’s indicator will light up at full brightness when the drive is busy reading or writing data. Ordinarily, the indicator will be less

brightly lighted, or be extinguished.)

606

• Remove any disk from the drive before powering up or down.

607

To prevent damage to the disk drive’s heads, always try to hold the floppy disk in a level position (not tilted in any direction) while inserting it into the drive. Push it in

firmly, but gently. Never use excessive force.

608

To avoid the risk of malfunction and/or damage, insert only floppy disks into the disk drive. Never insert any other type of disk. Avoid getting paper clips, coins, or any other foreign objects inside the drive.

Handling Floppy Disks

651

Floppy disks contain a plastic disk with a thin coating of magnetic storage medium. Microscopic precision is required to enable storage of large amounts of data on such a small surface area. To preserve their integrity, please observe the following when handling floppy disks:

Never touch the magnetic medium inside the disk.

Do not use or store floppy disks in dirty or dusty areas.

Do not subject floppy disks to temperature extremes (e.g., direct sunlight in an enclosed vehicle). Recommended temperature range: 10 to 50° C (50 to 122° F).

Do not expose floppy disks to strong magnetic fields,

such as those generated by loudspeakers.

652

Floppy disks have a “write protect” tab which can protect the disk from accidental erasure. It is recommended that the tab be kept in the PROTECT position, and moved to the WRITE position only when you wish to write new data onto the disk.

Rear side of the disk

Write

(can write new data onto disk)

Write Protect Tab

Protect

 

(prevents writing to disk)

653

The identification label should be firmly affixed to the disk. Should the label come loose while the disk is in the

drive, it may be difficult to remove the disk.

654

Store all disks in a safe place to avoid damaging them, and to protect them from dust, dirt, and other hazards. By using a dirty or dust-ridden disk, you risk damaging the disk, as well as causing the disk drive to malfunction.

203

* GS () is a registered trademark of Roland Corporation.

203

* XG lite ( ) is a registered trademark of Yamaha

Corporation.

220

*All product names mentioned in this document are trademarks or registered trademarks of their respective owners.

6

Main Features

We want to take a moment to thank you for your purchase of the Roland AT-15 “Atelier Series” Organ.

The AT-15 is an electronic organ which provides a generous collection of rich organ sounds. In addition, it is designed to be easy to learn and use. In order to enjoy reliable performance of your new keyboard for many years to come, please take the time to read through this manual in its entirety.

Basic Concepts of the ATELIER Series

A Full Complement of Organ Sounds

A wide range of basic organ sounds, ranging from jazz organ and pipe organ to theatre organ, are onboard so you are sure to enjoy having access to all the sounds you expect from an organ.

Panel Layout Based on a Tradition of Emphasis on Realtime Operation

Based on the idea that you should be able to sit down and begin playing immediately, the operation buttons of the panel are arranged by function as dictated by classic organ traditions, ensuring easy and intuitive operation. All models of the ATELIER series feature the same operability, allowing you to start playing immediately even if you switch models.

High-quality Sounds that You Can Use without Editing

In addition to a full range of organ sounds, high-quality sounds such as strings and brass are also included onboard. You can simply select sounds and enjoy playing the organ no need to perform complicated editing operations.

Expansive Lower Keyboard with Damper Pedal for Piano-like Expressiveness

Piano is indispensable to the performance of contemporary music. On the ATELIER series, the lower keyboard features an expanded range that gives you the expressive power of a piano. The keyboard also features half-damper pedal capability and initial touch sensitivity, both indispensable for piano performance.

All models provide high-quality grand piano sounds.

Design Utilizes Your Existing Music Data

The ATELIER series is designed so that even on new models, you will feel right at home and can begin playing immediately. Data compatibility has also been carefully taken into account, and song data or registration data from earlier models can be used without change.

Music Styles From Around the World

Many of the best-loved musical styles from around the world (rhythm and automatic accompaniment patterns) are built in, allowing you to enjoy an international range of performances.

Make Full Use of Music Files

Compatible with GM2, the world standard in SMF music files, and equipped with its own floppy disk drive, the AT-15 brings you access to the wealth of SMF music files available on the market. You can also mute parts, allowing you to practice the part for each hand separately, and enjoy performing ensemble with the music files.

7

Main Features

Main Features

Highly Realistic Rhythms and Automatic Accompaniment Functions

All rhythms use data from performances by professional drummers, featuring high-quality patterns with all the grooves and subtle nuance of the real thing. In addition, you can use automatic accompaniments that are perfectly matched to each rhythm to enjoy the feeling of playing with your own band in the background.

Developed Active Expression Sounds

For some of the sounds, moving the expression pedal will vary not only the volume but also the tone, or add other sounds. From pianissimo to fortissimo, the tonal character of the sound itself will change as you perform a crescendo, or strings may appear behind the piano, creating dynamic changes in tonality.

Human Voices

In addition to a full complement of organ tones, the AT-15 also features tones that express a wide range of human vocal qualities, including “Jazz Scat,” which changes according to how firmly the keys are pressed, and “Classical” tones that perfectly express that choir image.

Split Function

The 61-key lower manual can be split into separate sections, with each being used to play a different tone. Using the Split function lets you perform with the richness of performance expression rivalling that of three-manual and even four-manual instruments.

Registration Buttons

The AT-15 features eight highly visible and intuitive buttons for calling up registrations, which allow you to switch among tone and rhythm settings instantly. Furthermore, these are located between the upper and lower manuals for better access when performing in real time.

Harmony Intelligence

The Harmony Intelligence function automatically adds harmony to the upper keyboard sound according to the chord you play in the lower keyboard. This gives you greater tonal depth and a more powerful performance.

High-Quality Reverb

In addition to often-used “HALL” and “ROOM” type reverbs, the AT-15 also includes “LARGE CHURCH” and “CATHEDRAL” reverb settings, which feature extremely long reverberation times and can be used to add enormous presence to your organ performances.

Conventions Used in This Manual

Button names are enclosed in square brackets (“[ ]”), as in [Harmony Intelligence] button.

[+] [-], [ ] [ ], [ ] [ ] means that you should press one or the other button. Example: Value [-][+] buttons, Reverb [ ][ ] buttons, Tempo [ ][ ] buttons

8

Contents

USING THE UNIT SAFELY ...............................................................................................................

3

Important Notes ...............................................................................................................................

5

Main Features .............................................................................

7

Panel Descriptions .....................................................................

14

Before You Start Playing ...........................................................

16

Setting Up the Music Stand ..........................................................................................................................

16

Connecting the Power Cord .........................................................................................................................

16

Turning the Power On and Off ....................................................................................................................

16

Tuning On the Power ........................................................................................................................

16

Turning Off the Power ......................................................................................................................

16

Using Headphones .........................................................................................................................................

17

Restoring All the Factory Default Settings .................................................................................................

17

Restoring All Settings Other Than the Rhythm [Disk] Button to Their Original Factory Condition . 18

Adjusting the Contrast of the Screen ...........................................................................................................

18

Displaying Basic Screens ...............................................................................................................................

18

Rhythm Screen ...................................................................................................................................

18

Composer Screen ...............................................................................................................................

18

Selecting and Playing Sounds ....................................................

19

Listening to the Demo Songs........................................................................................................................

19

Selecting Voices ..............................................................................................................................................

21

About the Voices and Parts ..............................................................................................................

21

Functions of the Upper/Lower/Pedal Bass Sound Select Buttons............................................

22

Selecting the Upper and Lower Voices ..........................................................................................

23

Selecting Pedal Bass Voice ...............................................................................................................

23

Selecting Solo Voice...........................................................................................................................

24

Selecting a Voice Using the [Others] Button..................................................................................

25

Adjust the Volume Balance...........................................................................................................................

26

Transpose the Pitch in Octave Units (Octave Shift) ..................................................................................

27

Sustaining Notes Played on the Lower Keyboard ....................................................................................

28

Playing Drum Sound or Sound Effects on the Keyboard.........................................................................

28

Playing Drums from the Entire Lower Keyboard (Drums/SFX) ...............................................

28

Changing the Drum/SFX Set...........................................................................................................

29

Using the Rhythm Performance ..................................................

30

Selecting a Rhythm ........................................................................................................................................

30

Playing Rhythms (Starting and Stopping the Rhythm)............................................................................

31

Starting the Rhythm Automatically When You Play the Lower Keyboard or Pedalboard

 

(Sync Start)..........................................................................................................................................

31

Starting at the Press of a Button ......................................................................................................

31

Stopping the Rhythm ........................................................................................................................

32

Playing Rhythm and Automatic Accompaniment....................................................................................

32

Adding Variety to the Rhythm and Automatic Accompaniment...........................................................

33

Changing the Tempo .....................................................................................................................................

33

A Simple Way to Make Automatic Accompaniment Settings (One Touch Program).........................

34

Using a Rhythm from a Disk ........................................................................................................................

35

Inserting and Ejecting a Floppy Disk..............................................................................................

35

Reviewing the Styles on a Music Style Disk ..................................................................................

35

9

Contents

 

Loading Disk Rhythms Into Internal Memory..............................................................................

36

Copying a Rhythm Saved to the Rhythm [Disk] Button .............................................................

38

Deleting a Rhythm Saved to the Rhythm [Disk] Button..............................................................

39

Restoring the Rhythm Stored in the Rhythm [Disk] Button to the Factory Settings ...............

40

Adding Various Effects to a Voice ..............................................

41

Adding Harmony to a Melody (Harmony Intelligence) ..........................................................................

41

Changing the Type of Harmony Intelligence ............................................................................................

42

Adding Modulation to the Sound (Rotary Effect).....................................................................................

43

Reverb Effect ...................................................................................................................................................

44

Sustain Effect...................................................................................................................................................

45

Using the Play Functions ............................................................

46

Using the Lower Keyboard to Play the Bass Voice (Pedal [To Lower] Button)....................................

46

Playing the Solo Voice on the Lower Keyboard (Solo [To Lower] Button) ...........................................

47

Transposing to a Different Key (Transpose Buttons)................................................................................

48

Adjusting the Overall Volume Using an Expression Pedal .....................................................................

49

Adding Decay to the Sound (Damper Pedal) ............................................................................................

49

Using the Foot Switch....................................................................................................................................

50

Using the Registration Buttons ...................................................

51

Storing Registrations......................................................................................................................................

51

Recalling a Registration.................................................................................................................................

52

How to Recall a Registration............................................................................................................

52

Changing the Timing of Recalling Registrations ..........................................................................

52

Automatically Registering When You Switch Panel Settings .................................................................

53

Assigning a Name to a Registration Set......................................................................................................

53

Copying Only the Name of a Registration ....................................................................................

55

Saving Registration Sets to a Floppy Disk..................................................................................................

56

Loading Previously Saved Registration Sets Into the AT-15 ...................................................................

58

Loading a Set of Registrations .........................................................................................................

58

Loading an Individual Registration................................................................................................

59

Deleting a Set of Registrations from a Floppy Disk ..................................................................................

60

Record and Playback Your Performance ....................................

61

Playing Back Performance Songs Stored on Floppy Disk........................................................................

62

Silencing a Specific Track (Track Mute)......................................................................................................

64

Recording a Performance..............................................................................................................................

65

Playing Back a Performance Song ...............................................................................................................

67

Rerecording Performance Data Recorded on the AT-15 ..........................................................................

68

Erasing a Performance Song.........................................................................................................................

69

Formatting Disks ............................................................................................................................................

70

Changing the Name of a Performance Song (Rename) ............................................................................

72

Saving Performance Songs onto Floppy Disk............................................................................................

73

Deleting Performance Songs Stored on Disk .............................................................................................

75

Layering a New Recording onto SMF Music Files....................................................................................

76

Re-recording a Performance Saved on Floppy Disk .................................................................................

77

Using Song with a Different Tempo Than That of the Performance Song ............................................

77

10

Contents

Settings for the Composer ..........................................................

78

Changing the Key When Playing Back Songs ............................................................................................

78

Changing the Metronome Setting ................................................................................................................

78

Adjusting the Metronome Volume ..............................................................................................................

79

Changing the Sound of the Metronome .....................................................................................................

79

Setting the Beat ...............................................................................................................................................

80

Silencing a Specific Track ..............................................................................................................................

80

Muting Individual Channels of Performance Data ...................................................................................

81

Re-recording the Pedalboard Performance ................................................................................................

82

Changing the Function of the Expression Pedal ........................................................................................

82

Function During Recording .............................................................................................................

82

Function During Playback ................................................................................................................

83

Switching the Display of Lyrics On or Off .................................................................................................

83

Adjusting the Effects ..................................................................

84

Sustain Effect ...................................................................................................................................................

84

Changing the Sustain Length .......................................................................................................................

84

Changing the Reverb Type ...........................................................................................................................

85

Changing the Wall Type ...............................................................................................................................

85

Changing the Depth of the Reverb ..............................................................................................................

86

Various Other Settings ...............................................................

87

Turning Initial Touch On/Off (Initial Touch) ............................................................................................

87

Using the Foot Switch to Switch Registrations (Regist Shift) ..................................................................

87

Changing the Function of the Foot Switch (Left Foot SW, Right Foot SW) ...........................................

87

Turning Chord Intelligence On/Off (Chord Intelli) .................................................................................

88

Using the Leading Bass Function (Leading Bass) ......................................................................................

89

Changing How the Solo Voice Responds (Solo Mode) ............................................................................

89

Layering the Solo Voice and Lower Voice (Solo To Lower Mode) .........................................................

90

Changing the Solo Split Point (Solo Split Point) ........................................................................................

90

Changing the Pedalboard Polyphony (Pedal Bass Mode) .......................................................................

90

Preventing Rhythm Tempos from Switching Automatically (Auto Standard Tempo) .......................

91

Playing a Count Sound When the Intro Ends (Intro Count Down) .......................................................

91

Changing the Sound of the Count Down (Count Down Sound) ............................................................

91

Registration Arranger Update (Arranger Settings Recall Timing) .........................................................

92

Registration Transpose Update (Transpose Setting Recall Timing) .......................................................

92

Adjust the Standard Pitch (Master Tune) ...................................................................................................

93

Selecting the MIDI Transmit Channel (Tx MIDI Channel) ......................................................................

93

MIDI IN Mode ................................................................................................................................................

94

Specifying Transmission of PC Numbers (Send PC Switch) ...................................................................

94

Setting PC Numbers (PC Number) ..............................................................................................................

95

Connecting with External Devices ..............................................

96

Names and Functions of Jacks and Connectors .........................................................................................

96

Connecting Audio Equipment .....................................................................................................................

96

Making the Connections ...................................................................................................................

96

If You’re Using MIDI .....................................................................................................................................

97

Connecting the AT-15 to a MIDI Instrument ................................................................................

97

11

Contents

 

Appendices

 

Troubleshooting .............................................................................................................................................

98

Display Messages .........................................................................................................................................

100

Voice List .......................................................................................................................................................

102

Drum Set List ................................................................................................................................................

103

Rhythm List ...................................................................................................................................................

105

Chord List ......................................................................................................................................................

106

Settings That Are Stored After the Power Is Turned Off .......................................................................

108

Settings That Are Stored After the Power Is Turned Off ...........................................................

108

Settings That Are Stored in the Registration Buttons .................................................................

108

Settings That Are Stored in the Individual Registration Buttons .............................................

108

Glossary .........................................................................................................................................................

109

About ATELIER Series Sound Generator ....................................................................................

110

MIDI Implementation Chart .......................................................................................................................

111

Main Specifications ......................................................................................................................................

112

Demo Song List .............................................................................................................................................

114

Index ...............................................................................................................................................................

116

12

MEMO

13

Roland AT 15 Service Manual

Panel Descriptions

1

2

 

3

 

 

4

7

 

 

 

 

 

 

5

 

 

 

 

 

 

6

 

 

 

 

 

 

8

 

 

 

 

 

 

9

 

 

 

 

 

 

15

16

18

17

10

11 12

14 13

 

 

 

 

 

 

 

 

 

 

 

 

Write

1 Pedal Bass Voice select buttons

 

8 Lower [Drums/SFX] button ( p. 28)

( p. 22, p. 23)

 

 

9 Transpose [-] [+] buttons ( p. 48)

Pedal Part

 

 

 

 

10

 

 

 

[Alternate] button

 

 

 

 

 

[To Lower] button ( p. 46)

 

 

[Utility] button ( p. 87)

Level [] [] button ( p. 26)

 

 

[Display/Exit] button ( p. 18)

2Lower Voice select buttons ( p. 23)

Lower part

Level [] [] button ( p. 26)

3Upper voice select buttons ( p. 23)

Upper Organ part

Upper Orchestral part

Level [] [] button ( p. 26)

4Solo voice select buttons ( p. 24)

Solo part

[Alternate] button

[To Lower] button ( p. 47) Level [] [] button ( p. 26)

5[Power On] switch ( p. 16)

6[Master Volume] knob ( p. 16)

7Part Balance [] [] button ( p. 26, p. 44)

Menu [ ][ ] buttons

Value [-] [+] buttons

11Display ( p. 18)

12Beat Indicator ( p. 33)

13[Harmony Intelligence] button ( p. 41)

14[One Touch Program] button ( p. 34)

15Composer

Select [-] [+] buttons

[Load] button ( p. 58, p. 59, p. 76, p. 77) [Save] button ( p. 56, p. 73) [Registration] button ( p. 53-p. 60) Track Mute buttons ( p. 64)

[Reset] button

[Play/Stop] button ( p. 62, p. 67) [Rec] button ( p. 65, p. 68, p. 76, p. 77)

14

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Manual

 

1

 

2

 

3

 

4

 

 

5

 

6

 

7

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16Rhythm select buttons ( p. 30)

Tempo [ ][ ] button ( p. 33) Fill In button ( p. 33) [Intro/Ending] button ( p. 31) [Start/Stop] button ( p. 31)

17Rotary Sound [Fast/Slow] button ( p. 43)

18Disk Drive ( p. 35)

19Registration buttons

[Write] button ( p. 51) [Manual] button ( p. 53)

Registration [1]–[8] buttons ( p. 51)

15

Before You Start Playing

Setting Up the Music Stand

fig.01-03

1.Attach the music stand by inserting it into the two holes.

Connecting the Power Cord

1.First, make sure that the [Power On] switch at the panel’s left side is OFF (not pushed in).

2.Connect the supplied power cord to the AC Inlet connector, then plug the other end into an AC

outlet.

fig.01-04

*Only use the power cord supplied with this instrument.

*Whenever you do not intend to use the instrument for extended periods of time, pull out the power cord from the AC outlet.

Turning the Power On and Off

*Once the connections have been completed, turn on power to your various devices in the order specified. By turning on devices in the wrong order, you risk causing malfunction and/or damage to speakers and other devices.

Tuning On the Power

1. Make sure of the following before the power is turned on.

•Is the power cord correctly connected to the AC inlet? •Is the power cord correctly connected to the AC outlet? •Is the [Master Volume] knob (located at the left of the Lower keyboard) set to the Min (minimum) position?

fig.01-05

Master Volume

Min Max

2.Press the [Power On] switch to turn on the power.

The power will turn on, and the Basic Screen appears on

the display.

fig.01-06

Lower position

ON

*This unit is equipped with a protection circuit. A brief interval (a few seconds) after power up is required before the unit will operate normally.

3.Turn the [Master Volume] knob or depress the expression pedal to adjust the volume to a suitable level.

Turning the [Master Volume] knob towards “Max” increases the volume; turning the knob towards “Min” decreases the volume. Likewise, pressing down on the expression pedal increases the volume, while easing up

on the pedal decreases the volume.

fig.01-07

decrease the volume

increase the volume

Turning Off the Power

1.Before switching the power off, set the [Master Volume] knob to the Min (minimum) position.

2.Press the [Power On] switch to turn off the

power.

fig.01-06

Upper position

OFF

*If you need to turn off the power completely, first turn off the POWER switch, then unplug the power cord from the power outlet. Refer to “Power Supply” (p. 5).

16

Before You Start Playing

Using Headphones

The AT-15 features a Phones jack. This allows you to play without having to worry about bothering others around you, even at night.

fig.01-08

1.Connect the headphones to the Phones jack on the bottom left of the unit.

The sound from the built-in speakers stops.

Now, sound is heard only through the headphones.

LCD

Contrast

Phones

2.Adjust the headphones volume with the [Master Volume] knob and Expression pedal.

* Accepts connection of Stereo headphones.

Some Notes on Using Headphones

To prevent damage to the cord, handle the headphones only by the headset or the plug.

Headphones may be damaged if the volume is too high when they are plugged in.

Lower the volume on the AT-15 before plugging in headphones.

To prevent possible auditory damage, loss of hearing, or damage to the headphones, the headphones should not be used at an excessively high volume.

Use the headphones at a moderate volume level.

Restoring All the Factory

Default Settings

The settings stored in the AT-15 can be returned to their

factory settings. This function is called “Factory Reset.”

1.Make sure there is no floppy disk in the disk drive before carrying out the procedure.

2.Turning off the power.

3.While holding down the [One Touch Program] button, press the [Power On] switch to turn the

power on.

fig.01-15

Do not turn off the power while the following screen is displayed.

fig.01-16

When factory reset is completed, the basic screen reappears.

*To return all settings other than the Rhythm [Disk] button settings to their original factory conditions, refer to page 18.

*Loading factory default settings will erase any Registrations currently in the memory of the AT-15. To save the registrations you are currently using, refer to “Saving Registration Sets to a Floppy Disk” (p. 56).

*To return only the Rhythm [Disk] button settings to their original factory conditions, refer to page 40.

17

Before You Start Playing

Restoring All Settings Other Than the Rhythm [Disk] Button to Their Original Factory Condition

All settings other than the Rhythm [Disk] button can be returned to their factory settings. This function is called “Panel Reset.”

1.Make sure there is no floppy disk in the disk drive before carrying out the procedure.

2.Turning off the power.

3.While holding down the [Harmony Intelligence] button, press the [Power On] switch to turn the

power on.

fig.01-15

Do not turn off the power while the following screen is displayed.

fig.01-16

When panel reset is completed, the basic screen reappears.

Adjusting the Contrast of the

Screen

You can adjust the contrast of the screen.

1.Turn the [LCD Contrast] knob located at the bottom of the unit to adjust the contrast of the screen.

Displaying Basic Screens

The instrument’s display provides a large variety of information. The AT-15 has two types of basic display screen: the Rhythm display, and the Composer display. You can alternate from one to the other by pressing the [Display/Exit] button.

fig.01-17

Rhythm Screen

fig.01-18

Rhythm

Tempo Chord

Composer Screen

When internal music data is selected:

fig.01-19

Song Name

Measure Number

Tempo Chord

When you have selected a performance song on a floppy disk:

fig.01-20

Song Name

Song No.

LCD

Contrast

Tempo Chord

Phones

18

Selecting and Playing Sounds

Listening to the Demo Songs

The AT-15 contains 12 Demo songs. Here’s how to play the Demo songs, and fully appreciate the sounds, Rhythms, and Automatic Accompaniment that are available with the AT-15.

fig.02-01

2, 3

4, 5

1. Make sure that a floppy disk is not inserted in the disk drive.

If a floppy disk is in the disk drive, press the eject button (p. 35) and remove

the floppy disk.

2. Press the Select [-] [+] buttons simultaneously.

fig.02-02

3. Press the Select [-] and [+] buttons to select a Demo song.

4. Press the [Play/Stop] button.

When the selected demo song ends, the next demo song will begin playing.

5. To stop playback in the middle of the song, press the [Play/

Stop] button.

NOTE

All rights reserved. Unauthorized use of this material for purposes other than private, personal enjoyment is a violation of applicable laws.

NOTE

The data for the Demo song that is being played is not available at the MIDI Out connector.

Check out the “Demo Song List” (p. 114) for information such as the names of the composers and players of the demo songs.

19

Selecting and Playing Sounds

If the following screen appears

If the performance song in the unit has not been saved to a floppy disk, the following message will appear, and it will not be possible to play the Demo songs.

fig.02-03

If you don’t mind erasing this song, press the [Rec] button. However, if you wish to save this song, press the [Reset] button to cancel the procedure, and then save the song onto a floppy disk.

If you wish to save the musical data to a floppy disk, refer to “Saving Performance Songs onto Floppy Disk” (p. 73).

20

Selecting and Playing Sounds

Selecting Voices

The AT-15 is able to produce the sounds of various instruments. These sounds are called “Voices” (or tones). It is very easy to select voices.

About the Voices and Parts

The AT-15 has two keyboards and one Pedalboard, as shown below.

From top to bottom these are called the “Upper Keyboard,” “Lower Keyboard,” and “Pedalboard.”

fig.02-04

Upper Keyboard

Lower Keyboard

Pedalboard

The Upper Keyboard has two parts: “Organ,” “Orchestral.” You can select one voice for each part, meaning that it is possible to layer the voices on Upper Keyboard and play them simultaneously. The voice of the “Solo” part can be layered on the Upper keyboard.

The Lower Keyboard has the part: “Lower.”

The Pedalboard has the part: “Pedal.”

Keyboard

Type of voices

Parts

 

 

 

 

 

 

 

Upper

Upper Organ

 

 

Upper Keyboard

Upper Orchestral

 

 

 

 

 

Solo

Solo

 

 

 

 

Lower

Lower

 

 

 

 

Solo

 

Lower Keyboard

(This voice is sounded

Solo

 

only when Solo [To

 

Lower] button lights

 

 

up)

 

 

 

 

Pedalboard

Pedal Bass

Pedal

 

 

 

To play a Solo voice on the Lower keyboard, select the Solo voice and press the Solo [To Lower] button (p. 47).

21

Selecting and Playing Sounds

Functions of the Upper/Lower/Pedal Bass Sound Select Buttons

fig.02-05

Each time you press a voice button, its indicator will switch between being

lit and being turned off. Voices that have their button indicator lit can be

played.

Two voices are assigned to both of the Pedal Part and Solo Part button

groups.

The [Alternate] button switches between these two voices.

The [Alternate] button

Voice that will be selected

The [Alternate] button is not lit.

The voice indicated on the button is selected.

Another voice of the same family

The [Alternate] button is lit.

or the voice indicated on the bottom half of the button is selected.

NOTE

If none of the voice buttons

are lit, playing the

keyboard will not produce

a sound.

22

Selecting and Playing Sounds

Selecting the Upper and Lower Voices

Select voices by pressing the Upper and Lower Part buttons.

When the power is turned on, the Upper keyboard will play “Full Organ 3” and the Lower keyboard will play “Lower Organ2.”

Example: Selecting “Jazz Organ2” for the Upper Organ part, and “Grand Piano” for the Upper Orchestral part.

1. Press the Upper Organ [Jazz] button (indicator lights).

The name of the selected voice appears in the display for several seconds.

fig.02-06

Now when you play the Upper keyboard, the “Jazz Organ2” will sound.

2. Press the Upper Orchestral [Piano] button (the indicator

lights).

Now when you play the Upper keyboard, the two voices “Jazz Organ2” and “Grand Piano” will sound simultaneously (mixed together).

Selecting Pedal Bass Voice

Immediately after the power is turned on, the Pedal Bass voice will sound single notes using the “Organ Bass1” voice. Here’s how to select Pedal voice played by the Pedalboard.

1. Press the Pedal [Organ] button (indicator lights).

The name of the selected voice appears in the display for several seconds.

fig.02-08

Now when you play the Pedalboard, “Organ Bass1” will be heard.

Each time you press the [Alternate] button you will switch between the two voices which are assigned the button.

Settings can be adjusted to allow multiple notes to be played on the Pedalboard (p. 90).

NOTE

If you press the Pedal [To Lower] button (indicator lights p. 46), the Pedal Bass voice can now be played by the Lower keyboard, not by the Pedalboard.

23

Selecting and Playing Sounds

Selecting Solo Voice

The Solo section of the Upper keyboard is monophonic, that is, the Solo voice will only sound for the highest note played on the Upper keyboard. This allows you to play full chords and have the selected Solo voice playing the highest (solo) note.

fig.02-11

1

1. Press the Solo [Trumpet] button (indicator lights).

The name of the selected voice appears in the display for a few seconds.

fig.02-12

Play the Upper keyboard. The selected voice will sound by the highest note played.

Each time you press the [Alternate] button you will switch between the two voices which are assigned the button.

24

NOTE

If you press the Solo [To Lower] button (indicator lights p. 47), the Solo voice can now be played by the Lower keyboard, not by the Upper Keyboard.

It is possible to change how a Solo voice will sound. Normally, the Solo voice will be sounded by the highest note you play on the Upper keyboard, but you can make settings so that the last-played note will sound the Solo voice. You can also make settings so that the Solo voice will be sounded by all notes of the keyboard to which the Solo voice is assigned. For details refer to “Changing How the Solo Voice Responds (Solo Mode)” (p. 89).

Selecting and Playing Sounds

Selecting a Voice Using the [Others] Button

Notice that there is an [Others] button for each part of the Upper, Lower, Solo, Pedal. By using the [Others] button, you can select all the other voices, the ones that can’t be selected directly by pressing voice buttons.

1. Press the [Others] button for the Part for which you wish to

specify a voice.

The voice name appears in the display.

fig.02-10 (P.29)

The indicator of the selected [Others] button will light.

For the solo part and pedal part, press the [Alternate] button and select the voices to assign, either with the [Alternate] button ON (lit) or OFF (unlit).

2. While the voice name is shown in the display screen, use the

Value [-] [+] buttons to select the desired voice.

The indicator of the selected [Others] button will blink.

To stop mid-way through this or any procedure, press the [Display/Exit] button.

3. Once again, press the [Others] button for the part whose

sound you wish to set to confirm the voice.

The indicator of the [Others] button will change from blinking to lit.

You can jump by voice group by pressing Menu [ ] [ ] buttons to select the voice group.

The sound number of each voice is preceded by an alphabetical character A–T which indicates the sound group; e.g., “G11 Strings1.”

You can also press the key for the part containing a changed voice to confirm the voice setting.

About the voices that can be assigned to an [Others] button, please refer to “Voice List” (p. 102).

25

Selecting and Playing Sounds

Adjust the Volume Balance

The AT-15 allows you to adjust the volume balance individually for each

Part.

fig.02-13

The following buttons are used to adjust the volume of a multiple number of Parts.

Accomp/SMF [] [] button:

Automatic Accompaniment (except bass part)

Playback of performance data from something other than the Atelier (EX.: SMF music files)

Rhythm [] [] button:

Rhythm performance

Drums/SFX

Pedal Level [] [] button:

Pedal Voice

Bass part of Automatic Accompaniment

1.The volume levels of each part are adjusted using the corresponding [] and [] buttons.

When you press the up button (), the volume increases; when you press the down button (), the volume decreases.

The volume can be set to any value from 0 to 12.

When you press the Level [] [] buttons, the volume for each part will be shown in the display.

fig.02-14

NOTE

When the volume value

shown in the display is 0,

that part will produce no

sound.

26

Selecting and Playing Sounds

Transpose the Pitch in Octave Units

(Octave Shift)

The pitch of the sound played by the keyboard can be adjusted in one-octave steps.

You can apply an Octave shift to the following 5 Parts:

The Upper Organ Part, Upper Orchestral Part

The Lower Part

The Pedal Part

The Solo Part

1. Press the [Utility] button.

2. Press the Menu [] and [] button to select “Octave Shift.”

f

3. Press the [Rec] button.

4. Use the Menu [] and [] button to select a performance Part to which you wish to apply an Octave Shift.

Part: Pedal, Lower, U. Organ, U. Orch, Solo

fig.02-16

5. Use the Value [-] and [+] buttons to set the amount of shift.

The value can be set to a range of +/- 3 octaves.

6. Press the [Utility] button.

The basic screen reappears.

NOTE

Please note that when you apply the Octave Shift function to certain voices, their pitch could be stretched beyond their recommended note ranges, and they may not sound as expected. Care should be taken when using Octave Shift.

27

Selecting and Playing Sounds

Sustaining Notes Played on the Lower Keyboard

You can have the sound for keys in the Lower keyboard continue to play, even after you release the key, until the next key is pressed.

1. Hold down the Pedal [To Lower] button for several seconds

until its indicator begins flashing.

The following appears in the screen.

The notes played on the lower keyboard will continue sounding.

2. Press the Pedal [To Lower] button so its indicator goes out.

The sound stops playing.

Playing Drum Sound or Sound Effects on the Keyboard

Playing Drums from the Entire Lower Keyboard (Drums/SFX)

You can use the Lower keyboard to play various drum sounds (drum set). In this case, the Lower voices will no longer sound.

fig.02-18

1. Press the [Drums/SFX] button (indicator lights).

Play the Lower keyboard and listen to the various drum sounds on each key.

The [Drums/SFX] button will alternate between on (lit) and off each time it is pressed.

Immediately after the power is turned off, the STANDARD drum set will sound.

This setting is saved to the registration.

Refer to “Drum Set List” (p. 103) for details on which drum sound or Sound Effect will be played by each note.

NOTE

For some drum sets, there will be keys that do not sound.

28

Selecting and Playing Sounds

Changing the Drum/SFX Set

Immediately after the power is turned on, the STANDARD drum set will sound.

Let’s try selecting a different Drum Set or the Sound Effect set.

As the drum set, you can choose from 8 types of drum set and one type of sound effect. When you change the drum set, the sound produced by each note will change.

fig.02-19

1, 3

2

1. Press the [Drums/SFX] button (indicator lights).

2. When the Drum Set name is displayed on the screen, press the Value [-] [+] buttons to select a Drum Set or Sound Effect Set.

The [Drums/SFX] button indicator will begin to blink.

fig.02-20

You can select from 8 different Drum Sets and one set of Sound Effects as follows:

STANDARD, ROOM, POWER, ELECTRONIC, TR-808, JAZZ, BRUSH,

ORCHESTRA, SOUND EFFECTS

To stop mid-way through this or any procedure, press the [Display/Exit]

button.

3. Press the [Drums/SFX] button once again.

The [Drums/SFX] button indicator will be lit constantly, and the selected Drum/SFX set will be applied.

Refer to “Drum Set List” (p. 103) for details on which drum sound or Sound Effect will be played by each note.

You can also play the lower manual to confirm the drum set.

29

Using the Rhythm Performance

The AT-15 lets you enjoy playing along with a rhythmic accompaniment.

Selecting a Rhythm

The AT-15 provides 62 types of Rhythms and Automatic Accompaniments (Music Styles). These are organized into eight groups.

fig.03-01

2

1, 3

1. Press a Rhythm button to select a Rhythm group.

The indicator of Rhythm button will light.

That Rhythm will be shown in the display.

fig.03-02

2. Press the Value [-] and [+] buttons to select a different Rhythm within the same group.

The indicator of the Rhythm button will blink.

3. Press the flashing rhythm button once more.

The Rhythm button’s indicator will change from blinking to light.

The Rhythm has now been applied.

Using the Rhythms of the [Disk] Button

The [Disk] button contains 4 preset Rhythms. These Rhythms can be rewritten by loading disk styles into the AT-15.

The Rhythms that are already written in the [Disk] button memory can be selected in the same way as when selecting Rhythms of another Rhythm group.

For more on the internal rhythms, refer to the “Rhythm List” (p. 105).

If you wish to store a disk style in the [Disk] button, refer to “Loading Disk Rhythms Into Internal Memory” (p. 36).

30

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