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Roland Alpha JUNO-1

Roland Alpha JUNO-1
51 pages
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Table of Contents

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Roland Alpha JUNO-1 Specifications

General IconGeneral
TypeSynthesizer
Oscillators1 DCO per voice
Envelope GeneratorADSR
VCAYes
Keyboard61 keys
EffectsChorus
MIDIYes
Memory64 patches
Year Released1986
Synthesis TypeAnalog
Polyphony6
WaveformsSawtooth
FilterLow-pass
LFO1 LFO

Summary

Panel Description and Usage Notes

Important Notes on Panel Usage

Covers power, location, cleaning, and other operational considerations for the synthesizer panel.

Connection and Interference

Radio and Television Interference Precautions

Provides warnings and advice on preventing interference with radio and TV reception.

Operation: Power Up

Power Up Procedure

Details the steps for turning the synthesizer on and initial display feedback.

Operation: Tone Color Selection

Selecting Preset and Memory Tone Colors

Explains how to choose sounds using group, bank, and number selector buttons.

Performance Control Functions

Pitch Bender and Modulation Lever

Explains the pitch bend and vibrato effects achievable with the lever.

Portamento Effect

Describes the slide between pitches and its application.

Octave Transpose Function

Describes shifting the keyboard's octave up or down.

Chord Memory Function

Explains how to record and play chords with a single key press.

Key Transpose Operation

Details how to transpose the keyboard to different semitone values.

Pedal and Foot Jacks

Explains the function of Hold Pedal, Pedal Switch, and Foot Control jacks.

Tone Modify Function

Modifying Tone Color Parameters

Explains how to adjust modulation rate, depth, brilliance, and envelope time.

Editing Performance Control Functions

How to Edit Performance Controls

Details the process of adjusting tuning, modulation sensitivity, and other performance parameters.

Saving Performance Control Settings

Explains how to write edited performance control data into memory.

Edit Tone Colors

Editing Individual Tone Parameters

Describes the process of calling and changing specific tone parameters.

Tone Color Parameters

Synthesizer Block Diagram

Overview of the sound generation blocks: DCO, HPF, VCF, VCA, Chorus, LFO, ENV.

DCO Parameters: Range and Waveforms

Details DCO range, LFO/ENV depth, mode, pulse/sawtooth settings.

HPF and PWM Parameters

Adjusting the High-Pass Filter cutoff frequency and Pulse Width Modulation.

VCF Parameters: Cutoff and Resonance

Adjusting the Voltage Controlled Filter cutoff and resonance.

VCF Parameters: Envelope, LFO, and Follower

Details VCF envelope, LFO, and pitch follower controls.

VCA Parameters: Level, Envelope, and Aftertouch

Controls volume and its modulation via envelope and aftertouch.

Chorus and LFO Parameters

Controls chorus effect rate and LFO modulation rates/delays.

Envelope Generator Parameters: Time and Level

Adjusting the ADSR envelope stages for time and level.

Writing Tone Colors

Saving Edited Tone Colors

Procedure for storing modified tone color data into memory.

Naming Tone Colors

Assigning Names to Tone Colors

Process for naming or renaming tone colors using the display and buttons.

MIDI Connectivity

MIDI Connector Descriptions

Explains the function of MIDI IN, OUT, and THRU ports on the synthesizer.

MIDI Function Settings

Changing MIDI Function Data

Configuration of various MIDI parameters like channel, OMNI, and control messages.

Saving MIDI Configuration

Explains how to write MIDI function settings into backup memory.

MIDI Data Range and Controls

Details MIDI transmissible/receivable sound range and pedal control messages.

Tone Color to Program Change Mapping

Chart correlating tone colors to MIDI program change numbers.

Data Transfer

Tape Interface Connection

Setting up a tape recorder for saving and loading synthesizer data.

Saving and Verifying Data to Tape

Procedures for backing up data and checking its integrity.

Loading Data from Tape

Procedure for restoring saved data from a tape recorder.

Tips for Reliable Tape Saving and Loading

Advice for successful data transfer, including tape quality and connections.

MIDI System Exclusive Data Transfer

Explains how to transfer data between synthesizers using MIDI.

Appendix: Parameter Reference

DCO and HPF Parameter Reference

Table listing DCO and HPF parameters with their display values.

VCF, Chorus, LFO, and ENV Parameter Reference

Table listing VCF, Chorus, LFO, and ENV parameters with their display values.

VCA Parameter Reference

Table listing VCA parameters with their display values.

Error Message Table and Descriptions

Explains common error indicators displayed on the unit.

User Notes and Tone Name Log

Provides space for personal notes and tracking of tone names and settings.

Specifications

Technical Specifications and Options

Details on physical dimensions, weight, power consumption, and available accessories.

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