RockJam RJ540 User Manual

RJ540 / RJ540-SK
RJ541 / RJ541-SK
RJ640 / RJ640-SK
RJ641 / RJ641-SK
Multi-function Keyboard
User Guide

RockJam RJ540 Specifications

General

Number of Keys	54
Touch Response	No
Polyphony	8
Built-in Sounds	100
Built-in Rhythms	100
Recording Function	Yes
Tones	100
Built-in Speakers	Yes
Headphone Jack	Yes
Power Source	Batteries or adapter

Summary

Important Information

Safety and Usage Precautions

General guidelines for safe operation and to prevent damage to the keyboard or other equipment.

Controls and Connections Overview

Front Panel Layout

Details the layout and function of buttons and controls on the front panel of the keyboard.

External Connections

Information on various ports for connecting external devices like headphones, microphones, and amplifiers.

Display Screen Functionality

Explains the LCD and LED display screens and their indicators for different modes and settings.

Preparation Before First Use

Power Supply and Battery Installation

Instructions on using the DC adapter or installing batteries for keyboard power.

Jacks and Accessories Guide

Details on using the headphone jack and other included accessories.

Connecting External Audio Devices

Guides on connecting amplifiers, phones, or microphones to the keyboard for audio input/output.

Stand Assembly Instructions

Keyboard Stand Assembly

Step-by-step guide for assembling the keyboard stand using provided parts.

Keyboard Operation Basics

Power and Volume Control

How to turn the keyboard on/off and adjust the master volume levels.

Tone and Effects Features

Tone Selection and Adjustment

Methods for changing the instrument sound (tone) using the keypad or buttons.

Split Keyboard Operation

Instructions for activating and using the Split Keyboard mode.

Keyboard Effects Controls

Sustain, Vibrato, and Transpose Functions

Details on using Sustain, Vibrato, and Transpose features to modify note playback.

Performance Tools and Percussion

Metronome Functionality

How to use the metronome for timing practice and its beat selection.

Percussion Instrument Usage

Guide to using panel percussion instruments and keyboard percussion sounds.

Rhythm Features and Playback

Rhythm Selection and Control

Instructions for selecting rhythms and controlling playback with Start/Stop.

Rhythm Accompaniment Controls

Sync and Fill-in Functions

Details on using Sync accompaniment and Fill-in features during rhythm playback.

Accompaniment and Tempo Settings

Accompaniment Volume Adjustment

How to adjust the volume level for accompaniment parts.

Tempo Adjustment Guide

Instructions for setting and adjusting the tempo for rhythms, metronome, and songs.

Chord Accompaniment Methods

Single Finger Chords

Guide to playing chords using the single finger chord mode.

Fingered Chords

Instructions for playing chords using the fingered chord mode.

Chord Accompaniment Controls

Bass Chord and Chord Off Modes

How to select bass chord tones and disable chord accompaniment.

Recording and Playback Features

Recording Functionality

Steps to record and playback musical notes on the keyboard.

Programming and Teaching Modes

Rhythm Programming

How to create and program custom rhythm tracks.

Demo Songs Playback

Instructions for playing the built-in demo songs.

Keyboard Teaching Modes

Beginner Course

Mode for beginners to learn songs with guidance on key presses and timing.

Intermediate Course

Mode for intermediate users to practice songs, advancing after correct key presses.

Advanced Course and Learning Path

Mode for advanced users and a guide for progressive learning through different courses.

Appendix I: Percussion Instruments

Percussion Instruments Table

A table detailing the available panel percussion instruments and their keyboard mapping.

Appendices: Rhythm and Tone Tables

Rhythm Table

A list of all available rhythms with their corresponding numbers and names.

Tone Table

A list of all available instrument tones with their corresponding numbers and names.

Appendices: Demos and Troubleshooting

Demo Song Table

A list of all demo songs with their corresponding numbers and titles.

Troubleshooting Guide

Common problems and their solutions for operating the keyboard.

Appendix VI: Chord Tables

Single Finger Chord Tables

Visual guide showing keyboard fingerings for single finger chords.

Fingered Chord Tables

Visual guide showing keyboard fingerings for various fingered chords.

Appendix VII: Technical Specifications

Technical Specification Details

Detailed technical data for the keyboard models, including display, tones, and dimensions.

Regulatory and Disposal Information

FCC Compliance Statement (USA)

Statement regarding compliance with FCC rules for digital devices in the USA.

Product Disposal Instructions (Europe)

Guidelines for the proper disposal of electronic equipment in Europe according to WEEE directive.