RockJam 61-Key Multi-Function Electronic Keyboard

Important Information

To ensure safety and prevent damage to the instrument or other equipment, observe the following guidelines:

Power Adapter

• Use only the specified AC adapter supplied with the product. Incorrect adapters can cause damage.
• Keep the AC adapter and power cord away from heat sources like radiators or heaters.
• Avoid placing heavy objects on the power cord or subjecting it to stress or over-bending.
• Regularly check the power plug for dirt. Do not insert or unplug the power cord with wet hands.

Electronic Keyboard Body

• Do not open or attempt to disassemble the electronic keyboard. If it malfunctions, cease use and send it to a qualified service agent for repair.

Use of the Electronic Keyboard

• To prevent damage to the appearance or internal parts, avoid dusty environments, direct sunlight, or places with very high or very low temperatures.
• Do not place the electronic keyboard on an uneven surface.
• Avoid placing any liquid-holding vessels on the keyboard to prevent spillage.

Maintenance

• Clean the electronic keyboard body with a dry, soft cloth only.

Connection

• To prevent speaker damage, adjust the volume of any peripheral device to the lowest setting before connecting, then gradually increase to an appropriate level once music is playing.

During Operation

• Do not use the keyboard at the loudest volume for extended periods.
• Do not place heavy objects on the keyboard or press it with undue force.
• Packaging should be opened by a responsible adult. Store or dispose of plastic packaging appropriately.

Specification

• Specifications are subject to change without notice.

Controls, Indicators and External Connections

Front Panel Overview

The front panel features various controls and indicators for operating the keyboard. Key elements include:

• Stereo Speakers: For audio output.
• Power Switch: To turn the keyboard on/off.
• Sync: Activates sync accompaniment.
• Single Finger Chords: Enables single-finger chord function.
• Fingered Chords: Enables fingered chord function.
• Chord Tone: Selects chord tones.
• Split Keyboard: Divides the keyboard into two sections.
• Fill In: Adds an interlude during rhythm playback.
• Main Volume +/-: Adjusts the overall volume.
• Accompaniment Volume +/-: Adjusts the volume of the accompaniment.
• Transpose +/-: Alters the musical scale.
• Tempo [Fast/Slow]: Adjusts rhythm, metronome, and demo song tempo.
• Intro/Ending: Enables intro and ending sections for accompaniment.
• Memory (MEM), M1, M2: For saving and recalling settings.
• Play/Pause (►II), Previous Track (K), Next Track (►I): For MP3 playback control.
• Music Volume -/+: Adjusts MP3 playback volume.
• Number Buttons (0-9): For inputting numbers for tones, rhythms, and songs.
• Demo: Plays demo songs.
• Program (PROG): Activates rhythm programming mode.
• Rhythms: Selects rhythm patterns.
• Playback: Plays recorded notes.
• Tones: Selects instrument tones.
• Record: Enters recording mode.
• Keyboard Playing Area: The main keys for playing.
• Chord Keyboard Area: The left-hand section used for chord accompaniment.
• Pitch Wheel: Adjusts note pitch continuously.
• Tones List: Reference for available tones.
• LED Screen: 3-digit display for showing settings and status.
• Rhythms List: Reference for available rhythms.

External Connections

The rear panel provides various jacks for connecting external devices:

• USB Input (1): For MP3 playback from a USB memory stick.
• AUX IN (2): For music playback from a phone or audio device.
• MIC Input (3): For connecting an electret microphone (3.5mm plug).
• Headphone Output (4): For connecting headphones (3.5mm plug); automatically mutes internal speakers.
• DC 9V Power Input (5): For connecting the DC 9V power adapter.

LED Display

The keyboard features a 3-digit LED display to show current settings and status, such as volume level, tone number, rhythm number, and teaching mode indicators.

Preparation Before First Use

Stand Assembly

Assemble the keyboard stand using the supplied screws and allen key. The keyboard can then be secured to the stand using the straps and screws connected to the top bars. The stand height is adjustable, and the keyboard attaches via screw holes.

Power

Use of AC/DC Power Adapter

Use only the supplied AC/DC power adapter (DC 9V output, 500mA, center positive plug). Connect the DC plug to the keyboard's DC 9V power socket and the other end to a mains wall socket. Unplug the adapter from the mains when the keyboard is not in use.

Battery Operation

Open the battery lid on the underside of the keyboard and insert 6 x 1.5V Size AA alkaline batteries, ensuring correct polarity. Replace the battery lid. Do not mix old and new batteries. Remove batteries if the keyboard will not be used for an extended period to prevent damage from leakage.

Auto Power Off

The keyboard has a power-saving function that automatically switches off after 4-5 minutes of inactivity. Press the power on/off button to switch it back on.

Jacks and Accessories

Using Headphones

Connect a 3.5mm headphone plug into the [PHONES] jack on the rear of the keyboard. The internal speakers will automatically cut off when headphones are connected.

Connecting an Amplifier or Hi-Fi Equipment

Turn off both the keyboard and external equipment before connecting. Insert one end of a stereo audio cable (not included) into the LINE IN or AUX IN socket on the external equipment (amplifier/speaker box) and the other end into the [PHONES] jack on the rear of the keyboard.

Connecting a Phone or Audio Device to the AUX Input

This keyboard can play music from a phone or mobile device through its built-in speakers. Insert one end of a stereo audio cable (not included) into the AUX IN socket on the back of the keyboard and the other end into your phone or audio device. Ensure the keyboard is switched on. Use the phone's volume control to adjust the music volume.

Connecting a Microphone

Connect a 3.5mm microphone plug into the [MIC] jack on the rear of the keyboard. An electret or condenser microphone is required (not supplied).

Playing MP3 Music Files from a USB Memory Stick

Insert a USB memory stick into the USB input. Press the [PLAY/PAUSE] key to start/stop playback. Use the control buttons to skip tracks. Adjust music volume with the VOL – and + keys. Play along using the keyboard keys.

Keyboard Operation

Power and Volume

Power Control

Press the [POWER] button to turn the keyboard on. Press it again to turn the power off. The LED display will light up when powered on.

Adjustment of the Master Volume

The keyboard has 16 volume levels (V00-V15). Use the [VOLUME ▲/▼] buttons to adjust. The LED display shows the current level. Pressing both [VOLUME ▲/▼] buttons simultaneously resets the Main Volume to the default (V10). The volume resets to V10 after power cycling.

Tone

Tone Selection

The default tone is 't00' Grand Piano. Press the [TONE] button, then input a 0-9 number code on the keypad, or use the +/- buttons to change the tone. Refer to Appendix III for a list of available tones.

Effect & Control

Split Keyboard

Press the [SPLIT] button to activate Split Keyboard mode, indicated by [SPL] on the LED. The keyboard splits at the 24th key from the left. The right-hand side tone can be adjusted using the numerical keypad (0-9). The left-hand side retains the tone selected before entering Split mode. In Split mode, left-hand keys are raised by one octave, and right-hand keys are lowered by one octave. Press [SPLIT] again to exit.

Sustain

Press the [SUSTAIN] button to enter Sustain mode, indicated briefly by [SUS] on the LED. This prolongs the sound of each note. Press [SUSTAIN] again to turn off sustain.

Vibrato

Press the [VIBRATO] button to enter Vibrato mode, indicated briefly by [Vib] on the LED. This adds a trembling effect to each note played. Press [VIBRATO] again to turn off vibrato.

Transpose

Use the [TRANSPOSE ▲/▼] buttons to alter the musical scale by up to 6 levels upwards or downwards. Pressing both buttons simultaneously resets the transpose level to 00. The transpose level resets to 00 after power cycling.

Metronome

Press the [METRONOME] button to start the metronome beat (four beats available). Use the [TEMPO ▲/▼] buttons to adjust speed. Press [METRONOME] repeatedly to cycle through beat patterns. The LED displays the chosen beat. The metronome effect is added when playing. To exit, press [START/STOP] or [METRONOME] again.

Panel Percussion Instruments

To access percussion sounds, press the [TONE] button, then select tone number 128 on the keypad. The keyboard keys will then play percussion sounds. Refer to Appendix I for a table of available percussion sounds.

Using the Pitch Wheel

Use the Pitch bend wheel to continuously adjust the pitch of a note up or down. This feature helps recreate authentic sounds like strings and trombone slides, and is common in synthesizer compositions.

Rhythm

Selecting the Rhythm

Choose from 200 built-in rhythms. Refer to Appendix II for the detailed rhythm table. Press the [RHY] button to enter rhythm selection. The LED display shows the current rhythm number. Select rhythms using the numerical keypad (0-9) or the +/- buttons.

Start / Stop

Press the [START / STOP] button to play the selected rhythm. Press it again to stop playback.

Sync

Press the [SYNC] button to activate the sync accompaniment function. Playing any of the first 19 keys on the left-hand side of the keyboard will start the rhythm. Press the [START / STOP] button to stop the rhythm and exit sync function.

Fill In

Press the [FILL IN] button during rhythm playback to add an interlude. The rhythm will resume normally afterward.

Accompaniment Volume Adjustment

Adjust the accompaniment volume using the [ACCOMP VOLUME ▲/▼] buttons. The LED display shows the volume (000-015). Pressing both buttons simultaneously resets the accompaniment volume to the default (010). The Main Volume control also affects accompaniment output. Accompaniment volume resets to default upon power on.

Tempo Adjustment

Press and hold the [TEMPO ▲/▼] buttons to adjust the playing tempo of the rhythm, metronome, and demo song (range: 30-240 bpm). Pressing both buttons simultaneously resets the tempo to the default for the selected rhythm. Tempo resets to 120 bpm upon power on.

Chord Accompaniment

Single Finger Chords

Press the [SINGLE] button to activate single finger chord function, indicated by [C-1] on the LED. Chords are played by pressing specific keys (1-19) in the chord area on the left-hand side. Refer to Appendix VI for finger patterns. Press [START/STOP] to start/stop accompaniment. Press [SINGLE] again to exit.

Fingered Chords

Press the [FINGERED] button to activate fingered chord function, indicated by [C-2] on the LED. Chords are played by pressing specific keys (1-19) in the chord area on the left-hand side. Refer to Appendix VI for finger patterns. Press [START/STOP] to start/stop accompaniment. Press [FINGERED] again to exit. No sound will be produced unless correct finger patterns are formed.

Chord Tone

In either fingered or single finger chord mode, repeatedly press the [CHORD TONE] button to select the desired chord tone. There are 7 chord tones (00-06) available, indicated on the LED. The chord tone resets to 00 after power cycling.

Recording Function

Press the [REC] button to enter recording mode, indicated by [rEC] on the LED. Press any key to start recording. Maximum recording capacity is 46 notes. When full, the LED displays [FUL]. Each time [REC] is pressed, previous memory is cleared, and recording mode is re-entered. Press the [PLAY] button to play back recorded notes.

Rhythm Programming

Press the [PROG] button to activate Rhythm Program mode, indicated by [Pr9] on the LED. Play the keyboard to record a percussion track (up to 46 percussion beats). Press [PLAY] to playback edited percussions and play along. Adjust playback speed using [TEMPO ▲/▼] buttons. Press [PROG] again to cancel.

Demo Songs

Press the [DEMO] button to play a demo song, indicated by [dXX] on the LED (XX is song number 00-39). Use the +/- buttons on the numerical keypad to select songs. There are 40 demo songs. The keyboard will play the chosen song, then the next. Press [DEMO] again to exit. Refer to Appendix IV for a list of available demo songs.

Setting Memories M1 and M2

The keyboard has two built-in memories (M1, M2) for saving specific tones, rhythms, and tempos. Select desired TONE, RHYTHM, and TEMPO. While holding the [MEM] button, press [M1] or [M2] to store settings, indicated by [S1] or [S2] on the LED. Access stored settings by pressing [M1] or [M2], indicated by [n1] or [n2]. Note that M1 and M2 memories are cleared after the keyboard is switched off and back on.

Teaching Modes

Beginner Course (TEACH 1)

Press [TEACH 1] to enter Beginner Course mode. Suitable for beginners to familiarize with rhythm and tempo. The LED displays [dXX] (song number 00-39). Use keypad or +/- to select songs. The beat point flashes on the LED to indicate tempo. The LED indicates which key to press (e.g., C 6). Use provided key stickers. The keyboard plays the main melody in time with key presses, even incorrect ones.

Intermediate Course (TEACH 2)

Press [TEACH 2] to enter Intermediate Course mode. Suitable for intermediate users. The LED displays [d00] (song number 00-39). Use keypad or +/- to select songs. The beat point flashes on the LED to indicate tempo. The LED indicates which key to press (e.g., C 6). Once the correct key is pressed, it moves to the next section. Use provided key stickers.

Advanced Course (TEACH 3)

Press [TEACH 3] to enter Advanced Course mode. Suitable for more advanced users. The LED displays [d00] (song number 00-39). Use keypad or +/- to select songs. The beat point flashes on the LED to indicate tempo. The LED indicates which key to press (e.g., C 6). Use provided key stickers and press specified keys as the main melody plays. The song continues playing even if an incorrect key is pressed.

Progressive Learning

To master included songs, follow this sequence:

• Listen to the song in DEMO mode to understand note timings and beat.
• Access the same song in Beginner Course mode (TEACH 1) and duplicate note timings and key presses.
• Once mastered, move to Intermediate Course (TEACH 2), then Advanced Course (TEACH 3).

Appendices

Appendix I. Percussion Instruments

This appendix provides a table mapping various percussion sounds to specific keys on the keyboard when tone number 128 is selected. It details 61 different percussion sounds.

Appendix II. Rhythm Table

This appendix lists 200 built-in rhythms available on the keyboard, each with a corresponding number and name (e.g., Mambo, Waltz, Reggae, Disco, Pop, Latin, etc.).

Appendix III. Tone Table

This appendix lists 200 unique tones available on the keyboard, each with a corresponding number and name (e.g., Piano, Vibraphone, Church Organ, Electric Guitar, Synth Bass, Violin, Flute, etc.).

Appendix IV. Demo Song Table

This appendix lists 40 demo songs available on the keyboard, each with a corresponding number and name (e.g., Lambada, Mozart piano sonata, Fur Elise, Happy birthday to you, Twinkle twinkle little star, etc.).

Appendix V. Troubleshooting

This section provides solutions for common issues:

• Faint noise on power on/off: Normal.
• No sound after power on: Check master volume, ensure no headphones/external equipment are plugged in (which mute speakers), and verify fingered chord mode is not selected (incorrect presses produce no sound).
• Distorted/interrupted sound, keyboard not working: Use correct power adapter or replace batteries.
• Slight timbre difference in some notes: Normal, due to voice sampling ranges.
• Varying sustain length for tones: Normal, pre-set for optimal sustain.
• Main/accompaniment volume incorrect: Check settings; main volume affects accompaniment.
• Auto accompaniment not working in SYNC status: Ensure Chord mode is selected and play a note from the first 19 left-hand keys.
• Incorrect note pitch: Check transpose setting (should be 00).
• Keyboard switches off unexpectedly: Normal power save function; press power button to turn back on.
• Left side keys (first 19) make no sound: Check that FINGERED CHORD mode is not selected; sound is only produced with correct chord patterns. Refer to Appendix VI.

Appendix VI. Chord Tables

This appendix provides diagrams illustrating the finger patterns for Single Finger Chords and Fingered Chords on the keyboard's chord area. It shows patterns for Major (M), minor (m), 7th, and minor 7th chords across various root notes (C, C#, D, D#, E, F, F#, G, G#, A, A#, B).

Appendix VII. Technical Specification

• Display: LED Display, 3-Digit.
• Tone: 200 unique tones.
• Rhythm: 200 unique rhythms.
• Demo: 40 different demo songs.
• Effect and Control: Split keyboard, Sustain, Vibrato, Transpose, Pitch bend.
• Chords: Single Finger mode, Fingered mode, 7 Chord tones.
• Recording and Programming: 46 Note record memory, Playback, 46 Beat rhythm programming.
• Percussion: 12 different instruments.
• Accompaniment Control: Start / Stop, Sync, Fill in, Intro/Ending, Tempo.
• Intelligent Teaching: Metronome, 3 Teaching modes.
• External Jacks: Power input, Headphone output, Microphone Input (Electret), AUX Input, USB MP3 playback.
• Diapason (Range of Keyboard): C2-C7 (61 keys).
• Intonation: <3cent.
• Weight: 3.2 kg.
• Power Adapter: DC9V, 500mA.
• Output Power: 2 W x 2.
• Accessories included: Power adapter, Sheet music stand, Keyboard stand, Stool, Headphones, User guide, Key stickers.

FCC Compliance Statement

FCC Class B Part 15

This device complies with Part 15 of the Federal Communications Commission (FCC) Rules. Operation is subject to two conditions: the device may not cause harmful interference, and it must accept any interference received, including interference that may cause undesired operation.

CAUTION: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.

This equipment has been tested and found to comply with Class B digital device limits under Part 15 of the FCC Rules, designed to provide reasonable protection against harmful interference in residential installations. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used according to manufacturer's instructions, it may cause harmful radio communications interference.

There is no guarantee that interference will not occur in a particular installation. If this equipment causes harmful radio or television reception interference, which can be determined by turning the equipment off and on, the user is encouraged to correct the interference by:

• Reorient or relocate the receiving antenna.
• Increase separation between equipment and receiver.
• Connect equipment to an outlet on a circuit different from the receiver's.
• Consult the dealer or an experienced radio/TV technician.

Product Disposal Instructions (EU and UK)

The symbol of a crossed-out wheeled bin indicates that the product is classified as Electrical or Electronic Equipment and should not be disposed of with household or commercial waste at the end of its life. The Waste Electrical and Electronic Equipment (WEEE) Directive (2012/19/EU) encourages recycling using best available recovery and recycling techniques to minimize environmental impact, treat hazardous substances, and avoid landfill increase. When the product is no longer needed, dispose of it using local authority recycling processes. For more information, contact your local authority or the retailer where the product was purchased.

EU and UK Regulatory Compliance

PDT Ltd., as the manufacturer, declares that the radio equipment described herein complies with Directive 2014/53/EU (Radio Equipment) and bears the CE and UKCA marks. The full text of the EU declaration of conformity is available at: https://pdtuk.com/declaration-of-conformity-library/

European Distributor and Authorised Representative: AVESTA, 33 Avenue du Maréchal - de - Lattre - de - Tassigny, 94120 Fontenay-sous-Bois, France.

This user guide applies to models: RJ650, RJ5061, RJ6150, RJ6160, RJ6170. Please keep for future reference.

Designed and manufactured by: PDT Ltd. Unit 4B, Greengate Industrial Estate, White Moss View, Middleton, Manchester, M24 1UN, United Kingdom. Email: info@pdtuk.com. Copyright PDT Ltd. © 2023.