User Manual
Table Of Contents
- Introduction
 - Contents
 - USING THE UNIT SAFELY
 - Important Notes
 - Names of Things and What They Do
 - Before You Play
 - Listening to Demo Songs
 - Performing
- Performing with a Variety of Sounds
 - Adjusting the Keyboard Sensitivity (Key Touch)
 - Adding Spatial Depth to the Sound (3D Sound Control)
 - Adding Liveliness to the Sound (Dynamics Sound Control)
 - Adding Reverberation to Sounds (Reverb Effect)
 - Changing the Key of the Keyboard (Key Transpose)
 - Dividing the Keyboard for Two-person Performance (Twin Piano)
 - Performing With Two Layered Tones (Dual Play)
 - Performing with Different Tones in the Left and Right Sides of the Keyboard (Split Play)
 - Performing with the Metronome
 - Sounding a Count to Keep your Timing Accurate
 
 - Playing Back Songs
 - Recording
 - Saving Your Performance
 - Various Settings
- Basic Operation in Function Mode
 - Keyboard Settings
 - Pedal Settings
 - Tuning Settings
 - Sound-related Settings
 - Metronome Settings
 - Count-down Setting
 - Song Playback Settings
 - MIDI Settings
 - Other Settings
 - Remembering the Settings (Memory Backup)
 - Restoring the Settings to the Factory Condition (Factory Reset)
 - Disabling the Buttons (Panel Lock)
 
 - Connecting to Other Devices
 - Troubleshooting
 - Error Messages
 - Tone List
 - Internal Song List
 - Parameters Stored in Memory Backup
 - Music Files That the DP-990 Can Use
 - MIDI Implementation Chart
 - Main Specifications
 - Index
 
4
Introduction
Thank you, and congratulations on your choice of the DP-990. To ensure that you obtain 
the maximum enjoyment and take full advantage of the DP-990’s functionality, please 
read this owner’s manual carefully.
You should first read the “Before You Play” section of the owner’s manual (this 
document). This explains how to connect the AC adaptor and turn on the power.
This owner’s manual explains everything from basic operations that use the DP-990’s 
playback functions to more advanced operations, such as using the DP-990 to record a 
song.
In order to explain the operations as clearly as possible, this manual uses the following 
conventions.
• Text enclosed in square brackets [ ] indicates the name of a button or a knob, such as the 
[Piano] button.
• Lines that begin with   or an asterisk * are cautionary statements that you must be sure 
to read.
• The numbers of pages that you can turn to for additional, related information are given like 
this: (p. **).
About the Manual
Conventions in this Manual
NOTE
Copyright © 2007 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form 
without the written permission of ROLAND CORPORATION.
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY” (p. 8), and 
“Important Notes” (p. 11). 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.
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