Boss Dr. Rhythm DR-770 User Manual

Owner’s Manual
PAD BANKFUNCMODE
01788545 ‘00-2-E3-31N
To resize thickness, move all items on the front cover to left or right
on the master page.
Thank you, and congratulations on your choice of the BOSS
DR-770 Dr. Rhythm.
Before using this unit, carefully read the sections entitled:
• USING THE UNIT SAFELY (page 2–3)
• IMPORTANT NOTES (page 9)
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 © 1999 BOSS CORPORATION
All rights reserved. No part of this publication may be reproduced in any form
without the written permission of BOSS CORPORATION.

Boss Dr. Rhythm DR-770 Specifications

General

Sound Engine	PCM
Display	LCD
MIDI	In, Out
Sequencer	Yes
Number of Pads	16
Effects	Reverb, EQ, Delay
Outputs	Stereo (L/Mono, R), Headphones
Power Supply	AC adapter or 6x AA batteries
Inputs	Footswitch

Summary

Introduction to the BOSS DR-770

Welcome and Product Overview

Introduction to the BOSS DR-770 Dr. Rhythm and its capabilities.

Safe Unit Operation

Safety Warnings and Precautions

Essential safety guidelines and warnings for preventing injury and equipment damage.

DR-770 Main Features

Key Capabilities Overview

Highlights of sound generation, pattern creation, song sequencing, and connectivity.

Important Operational Notes

Power, Placement, and Maintenance Advice

Guidelines for power, unit placement, maintenance, and handling repairs.

Panel Descriptions

Front and Rear Panel Layouts

Identification of controls, indicators, and connectors on the DR-770 panels.

Making Connections

Connecting Audio Output and MIDI

Guide for connecting audio output devices and MIDI interfaces.

Powering the DR-770 On and Off

Power On and Off Procedures

Step-by-step instructions for safely powering the unit on and off.

Restoring Factory Settings

Performing a Factory Reset

Guide to resetting the DR-770 to its default factory settings.

Using the Pads to Play Sounds

Triggering Instruments and Switching Pad Banks

Using pads to play instruments and switching between Pad Banks A and B.

Playing Patterns

Selecting and Playing Rhythm Patterns

Procedure for selecting and playing preset or user rhythm patterns.

Adjusting Pattern Tempo

Setting the Pattern Playback Tempo

How to modify the tempo for pattern playback using the [TEMPO] button.

Switching Drum Kits

Changing Drum Kits for Patterns

Procedure for changing drum kits to alter the sound of patterns.

Realtime Pattern Recording

Recording Patterns in Realtime

Step-by-step guide to record patterns in realtime using the metronome.

Recording a Song (Step Recording)

Creating Songs with Step Recording

Sequencing patterns into songs using step recording for precise order.

Editing Individual Notes in Patterns

Deleting, Adding, and Adjusting Notes

Modifying patterns by deleting, adding, or adjusting individual notes.

Creating Original Drum Kits

Instrument Assignment and Editing

Assigning instruments to pads and modifying their basic settings.

Connecting External MIDI Devices

MIDI Basics and Communication Settings

Introduction to MIDI, its connectors, channels, and basic communication settings.

Troubleshooting and Reference

Restoring Factory Settings

Guide to resetting the DR-770 to its default factory settings.

Troubleshooting Common Issues

Solutions for issues like no sound, MIDI errors, and playback problems.

Parameter List Reference

List of parameters for patterns, songs, and pad settings.

Specifications

DR-770 Technical Specifications

Overview of polyphony, instruments, patterns, tempo, dimensions, weight, and accessories.