RockJam RJ640-XS

RockJam RJ640-XS 61-Key Portable Keyboard Instruction Manual

Model: RJ640-XS

Introduction

This manual provides essential information for the setup, operation, and maintenance of your RockJam RJ640-XS 61-Key Portable Keyboard. Please read this manual thoroughly before using the product to ensure proper function and longevity.

Package Contents

Verify that all items listed below are included in your package:

  • RockJam RJ640-XS 61-Key Portable Keyboard
  • Sturdy Keyboard Stand
  • Headphones
  • Music Sheet Stand
  • Power Adapter
  • Keynote Stickers
RockJam RJ640-XS 61-Key Portable Keyboard with stand and headphones

Image: The RockJam RJ640-XS 61-Key Portable Keyboard set up on its stand, with headphones and a tablet on the music sheet stand. This image shows the complete kit as it would appear when assembled.

Setup

1. Assembling the Keyboard Stand

  1. Unfold the keyboard stand by pulling the legs apart until they lock into place.
  2. Adjust the height of the stand using the quick-release mechanism to a comfortable playing position. Ensure the stand is stable.
  3. Place the keyboard securely on the stand. Use the high-quality support straps to fasten the keyboard to the stand, preventing accidental movement.
Close-up of the keyboard stand showing grips, quick release mechanism, and rubber feet

Image: A detailed view of the keyboard stand, highlighting its features such as the grips for stability, the quick-release mechanism for height adjustment, and the rubber feet for secure placement on various surfaces.

2. Power Connection

Connect the provided power adapter to the DC IN port on the rear of the keyboard. Plug the other end into a standard electrical outlet. The keyboard can also be powered by batteries (not included) for portable use.

Rear view of the RockJam keyboard showing input/output ports

Image: The back panel of the RockJam keyboard, displaying the various input and output ports including the power input, headphone output, microphone input, and AUX/Sustain input.

3. Connecting Headphones

For private practice, plug the included headphones into the 3.5mm headphone output jack located on the rear of the keyboard. The internal speakers will automatically mute when headphones are connected.

RockJam branded headphones

Image: A pair of black RockJam branded headphones, designed for comfortable and private listening during practice sessions.

4. Attaching the Music Sheet Stand

Slide the music sheet stand into the designated slot on top of the keyboard. This stand can hold sheet music, a tablet, or a smartphone.

5. Applying Keynote Stickers

For learning assistance, carefully apply the keynote stickers to the corresponding keys on the keyboard. These stickers are designed to be easily removable without leaving residue.

Operating Instructions

1. Powering On/Off

Press the POWER button located on the left side of the control panel to turn the keyboard on or off. The backlit LED display will illuminate.

2. Adjusting Volume

Use the VOLUME + and - buttons to increase or decrease the overall sound output.

3. Selecting Tones (Instrument Voices)

The keyboard features 500 instrument tones. To select a tone:

  • Press the TONE button.
  • Enter the two or three-digit number corresponding to the desired tone using the numeric keypad. Refer to the tone list printed on the keyboard's control panel for available options.
  • Alternatively, use the + and - buttons in the TONE section to cycle through tones.
Close-up of the keyboard control panel showing the 500 Tones list

Image: A detailed view of the RockJam keyboard's control panel, specifically highlighting the section dedicated to selecting from the 500 available instrument tones, with a partial list of tones visible.

4. Selecting Rhythms (Accompaniment Styles)

The keyboard includes 350 accompaniment styles. To select a rhythm:

  • Press the RHYTHM button.
  • Enter the two or three-digit number corresponding to the desired rhythm using the numeric keypad. Refer to the rhythm list printed on the keyboard's control panel.
  • Alternatively, use the + and - buttons in the RHYTHM section to cycle through rhythms.
  • Press START/STOP to begin or end the rhythm.
Close-up of the keyboard control panel showing the 350 Rhythms list

Image: A close-up of the RockJam keyboard's control panel, specifically showing the section for selecting from the 350 available rhythms, with a partial list of rhythm names and numbers.

5. Playing Demo Songs

The keyboard has 50 demo songs. To play a demo song:

  • Press the DEMO button.
  • Use the numeric keypad or + and - buttons to select a specific demo song.
  • Press PLAY to start the selected demo song.

6. Recording and Playback

The keyboard allows you to record your performances:

  • Press the REC button to start recording. The REC indicator will light up.
  • Play your desired piece.
  • Press PLAY to stop recording and play back your recorded performance.

7. Sustain and Vibrato Functions

  • Press the SUSTAIN button to add a lingering effect to notes. Press again to deactivate.
  • Press the VIBRATO button to add a slight pitch modulation effect to notes. Press again to deactivate.

8. Simply Piano App Integration

The keyboard is compatible with the Simply Piano app. Download the app on your tablet or smartphone and follow the in-app instructions to connect your keyboard. The app offers 30 free lessons and provides real-time feedback on your playing.

RockJam keyboard with a tablet displaying the Simply Piano app

Image: The RockJam keyboard with a tablet placed on the music stand, showing the Simply Piano app interface. This illustrates the integration of the keyboard with the learning application.

Maintenance

Cleaning

  • Always disconnect the power adapter before cleaning.
  • Wipe the surface of the keyboard with a soft, dry, lint-free cloth.
  • For stubborn dirt, slightly dampen the cloth with water and a mild soap solution, then wipe dry immediately.
  • Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.

Storage

  • Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures.
  • Avoid placing heavy objects on the keyboard.
  • If storing for an extended period, remove any batteries to prevent leakage.

Troubleshooting

If you encounter issues with your RockJam keyboard, refer to the following common problems and solutions:

  • No Sound:
    • Ensure the power adapter is securely connected and the keyboard is turned on.
    • Check the volume level; increase it using the VOLUME + button.
    • If headphones are plugged in, unplug them to enable the internal speakers.
    • Verify that the correct tone is selected and not a silent patch.
  • Keys Not Responding:
    • Ensure the keyboard is powered on.
    • If only some keys are not responding, there might be a hardware issue requiring professional service.
  • Distorted Sound:
    • Reduce the volume level.
    • Check the audio cables if connected to external speakers.
    • Ensure the power adapter is providing stable power.
  • Simply Piano App Not Connecting:
    • Ensure Bluetooth is enabled on your device (if connecting wirelessly) or that the correct cable is used for wired connection.
    • Restart both the app and the keyboard.
    • Check the app's support section for specific connection troubleshooting.

Specifications

FeatureDetail
Model NameRockJam 61-Key Keyboard Piano Kit
Number of Keys61 full-size keys
Instrument Voices (Tones)500
Accompaniment Styles (Rhythms)350
Demo Songs50
FunctionsRecord, Playback, Sustain, Vibrato
ConnectivityHeadphone output (3.5mm Jack), Mic input, AUX input, Sustain input
Power SourceCorded Electric (Power Adapter included)
Product Dimensions11.2"D x 33.4"W x 3.4"H
Item Weight12.87 pounds
Supported SoftwareSimply Piano app
ColorBlack
Dimensions of the RockJam headphones

Image: A diagram illustrating the dimensions of the included RockJam headphones, showing their height, width, and depth measurements.

Warranty and Support

For warranty information and technical support, please refer to the official RockJam website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.

Manufacturer: PDT UK Limited

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