RockJam RJ88DP User Guide

PRECAUTIONS

Please be sure to read the following information carefully and keep this in the safe place for your further reference.

WARNING

In order to avoid serious casualties caused by electric shock, short circuit, fires or other dangers, please be sure to obey the following information at all times. The precautions are as follows:

• ⚠ Do not open the digital piano or try to disassemble any part of it. If it should appear to be malfunctioning, discontinue using immediately and have it inspected by qualified service personnel.
• ⚠ To avoid damaging the piano, please do not place it in a wet environment. Do not place any vessel holding water onto the piano as spillage may occur and damage the internal parts of the piano.
• ⚠ If the power cord or plug becomes damaged, the piano suddenly cuts off during use or an unusual smell/smoke is detected, please turn off the power and unplug the power adaptor as soon as possible. Then find the qualified service personal to inspect the piano.
• ⚠ Please use the specified adaptor only. Using the wrong adaptor can result in damage to the instrument.

NOTICE

• ℹ Please remove the power adaptor from the outlet if the piano is not used for a long period of time.
• ℹ Do not expose the instrument to excessive dust, vibrations or extreme hot/cold environments (such as direct sunlight or heaters).
• ℹ Please unplug the power adaptor or other external devices before moving the keyboard.
• ℹ When cleaning the instrument, use a soft, dry cloth. Do not use paint thinner, solvents, cleaning fluids, or chemical-impregnated wiping cloths which may cause discolouration.
• ℹ Before connecting the instrument to other electronic components, turn off the power and set all volume levels to minimum. You can then adjust the minimum volume gradually to an appropriate level once the music is playing.
• ℹ Do not place the piano on an uneven surface.
• ℹ Do not place heavy objects on the piano or hit the keys with excessive force.
• ℹ The electric piano has been designed with enough volume redundancy which is suitable for classroom and such places. When using the Piano, please adjust the volume to an appropriate level. Excessive loud volume levels for long periods of time may damage your hearing.

Technical Specification

Box Contents

• RockJam Digital Piano
• Music Stand
• Power Adapter
• User Guide
• Tablet Clip x2

Setup

Music Stand: The music stand is assembled in two steps. Step 1 involves attaching the main support to the base. Step 2 involves securing the stand to the piano.

Tablet Clips: Tablet clips are provided to hold a tablet. These clips attach to the piano, typically near the top, to position the tablet for viewing.

Rear Panel Connections

The rear panel features various connection ports including: Phone, MP3, Audio Output for connecting to speakers or headphones; Mobile Phone and Computer connections via USB (including USB OTG); Pedal inputs for Sustain/Soft and Sostenuto pedals; and an Amplifier output via Dual Channel Audio Cable.

Top Panel Controls

The top panel houses the main controls:

1. Power Switch: Turns the piano's power on or off. The piano automatically shuts down after 30 minutes of inactivity to save energy.
2. Master Volume Knob: Adjusts the master volume for line output and headphone output. Ensure this is not set too low if internal speakers are not producing sound, or if headphones are plugged in.
3. Reverb Button: Toggles the reverb effect on or off. The indicator light shows the status.
4. Chorus Button: Toggles the chorus effect on or off. The indicator light shows the status.
5. Demo Button: Turns the demo songs on or off.
6. Metronome Button: Toggles the metronome on or off. The LED light indicates its status.
7. Function Button: Pressing this along with the Metronome button enters Advanced Function Mode. The function LED will light up.
8. Lesson Button: Toggles Lesson Mode on or off. The LED light indicates its status.
9. Split Button: Toggles Split Mode on or off. The LED light indicates its status.
10. Voice Select Buttons: Selects one of the preset voices. The LED for the selected voice will light up.

Rear Panel Ports

The rear panel provides connectivity for various devices:

1. Power Connector: Use only the dedicated AC-DC power adapter for this piano.
2. Back Headphone Output: Connect stereo headphones with a 1/4" (6.35mm) connector. Connecting headphones here automatically mutes the internal speakers.
3. Front Headphone Output: Connect stereo headphones with a 3.5mm connector. Connecting headphones here also mutes the internal speakers. Both front and back headphone outputs can be used simultaneously.
4. MIC Input: Connect an electret microphone using a 1/4" (6.35mm) stereo connector. Note: Only electret microphones are supported, not moving-coil microphones.
5. USB-MIDI Port: Allows for the transfer of MIDI data to a computer.
6. AUX IN Port: Accepts audio signals from external devices like MP3 players or mobile phones.
7. AUX OUT Port: Connects to external audio equipment such as amplifiers, mixers, or recorders.
8. Soft Pedal Input: Connect a standard 1/4" (6.35mm) soft pedal here.
9. Sustain Pedal Input: Connect a standard 1/4" (6.35mm) sustain pedal here.
10. PEDAL Port: Supports connection of three pedals (Delay, Soft, Tone) via a PS2 interface.
11. USB Port: Allows playback of MP3 songs stored on a USB drive (USB drive not included).

Bottom Panel

Battery Compartment: This compartment accommodates 6 "D" batteries for powering the digital piano when the power adapter is not in use. Ensure correct polarity is observed when inserting batteries and securely replace the compartment cover. Caution: Do not mix different types of batteries or use old and new batteries together. Low battery voltage can result in weaker volume and distorted tone. Replace batteries promptly. If the instrument is not to be used for an extended period, remove the batteries to prevent potential fluid leakage.

Quick Start: Playing Demo Songs

The Digital Piano features 10 built-in demo songs.

Voice Demo List:

To play the demo songs:

1. Press the "Demo" button. The piano will enter Demo Mode and play all 10 demo songs sequentially. The indicator light will flash during playback. Press the "DEMO" button again to exit Demo Mode.
2. To play a specific voice demo: Touch and hold the "DEMO" button, then press one of the voice buttons and release both simultaneously. To exit this mode, press the "DEMO" button again, and its LED will turn off.

Tones Selection

Select different instrument sounds (tones) by pressing the corresponding tone buttons. The LED for the selected tone will illuminate. Play the keys to hear the selected tone.

Layer Mode

Layer Mode allows you to combine two different voices for a richer, fuller sound. To enable Layer Mode:

1. Touch and hold one voice button, then press another voice button to select the two desired voices. Release both buttons simultaneously. The piano enters Layer Mode, and the LEDs for the selected voices will light up.
2. Play the keys to hear the layered sound.
3. To disable Layer Mode, touch any of the voice buttons.

Note: The first voice button pressed becomes the "Upper" voice, and the second becomes the "Lower" voice. Refer to the Advanced Functions section for adjusting the volume levels of the "Upper" and "Lower" voices.

Split Mode

Split Mode divides the 88 keys into two zones, allowing you to play different voices with your left and right hands. For example, you can assign a Piano voice to the right hand and a Brass voice to the left hand. The left-hand voice is referred to as the Split voice.

To Enable Split Mode:

1. Select the desired voice for the right-hand zone.
2. Touch and hold the Split button, then press a voice button to select the voice for the left-hand zone. Release both buttons simultaneously to enter Split Mode. The corresponding LEDs will illuminate.
3. Play the keys to hear the different voices in each zone.

To disable Split Mode, press the Split button again; its LED will turn off.

To Set Split Point:

To define the key where the split between the right-hand and left-hand voices occurs:

1. Touch and hold the Split button, then press the desired key to set the split point.
2. Release the Split button to confirm the new split point.

Note: When Layer and Split Modes are used together, the right-hand zone plays the layered voices, while the left-hand zone plays only the Split voice. Refer to Advanced Functions for adjusting the Split voice level.

Advanced Function Mode

How to Enter and Exit Advanced Function Mode:

Press the "Metronome" and "Lesson" buttons simultaneously. The function LED will light up. Use the keys corresponding to the on-screen graphics to change settings. Press both "Metronome" and "Lesson" buttons again to exit Advanced Function Mode.

Setting the Click Tone:

When the click tone is active, a click sound is heard with each setting or parameter change. To turn the click tone on or off:

1. Enter Advanced Function Mode (function LED will be lit).
2. Touch the key marked "Click" to toggle the tone on or off.
3. Exit Advanced Function Mode.

Touch Sensitivity:

The keyboard features touch response, meaning the volume of the voice changes based on how hard you play the keys. Turning this function off results in a fixed touch response. There are 3 types of touch settings: OFF (fixed), 1 (Soft), 2 (Medium), 3 (Hard).

To Set The Sensitivity:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the "Touch" keys to select the desired touch level.
3. Exit Advanced Function Mode.

Transpose:

This function allows you to shift the overall pitch of the piano up or down.

To change the transposition:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Transpose+" or "Transpose-" to set the transpose value from -6 to 6. Press both keys simultaneously to reset the transposition to the default value of 0.
3. Exit Advanced Function Mode.

Lesson Mode:

Lesson Mode divides the 88 keys into two zones with the same pitch and voice, enabling students and teachers to play or watch together without reaching across the keyboard. In Lesson Mode, Layer and Split Modes are automatically disabled.

Set Other Functions In Lesson Mode:

1. To select a voice for both zones, touch one of the Voice buttons.
2. To change the split point in Lesson Mode, touch and hold the Split button, then press a key between C3 to B5, and release the Split button. The default split point is C4.

To Change the Octave of both Zones in Lesson Mode:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Octave+" or "Octave-" to adjust the octave value from -3 to 3. Press both keys simultaneously to restore the default octave value to 0. (Octave adjustment is only available in Lesson Mode).
3. Exit Advanced Function Mode.

Reverb

Add an adjustable reverb effect to your sound. This piano offers five types of reverb, with the "Reverb" effect enabled by default when the piano is turned on.

To Turn on / off The Reverb Effect:

1. Touch the "Reverb" button to turn the effect off. The button's LED will turn off.
2. Touch the button again to turn the Reverb effect back on.

To Adjust The Reverb Type:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Reverb" (1-5) to select the desired reverb type.
3. Exit Advanced Function Mode.

Chorus

Add an adjustable chorus effect to your sound. There are five types of chorus effects available.

To Enable The Chorus Effect:

1. Touch the "Chorus" button to turn the effect on. The button's LED will light up.
2. Touch the button again to turn the chorus effect off.

To Adjust The Chorus Type:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Chorus" (1-5) to select the desired chorus type.
3. Exit Advanced Function Mode.

Adjust Volume

Set the volume for each voice in Layer and Split Mode using Advanced Function Mode.

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Upper Volume" (1-5) to change the volume of the upper voice in Layer Mode. '1' is the lowest volume, and '5' is the highest.
3. Exit Advanced Function Mode.

Follow the same steps to set volumes for the lower voice in Layer Mode and the split voice in Split Mode, using the "Lower Volume 1-5" and "Split Volume 1-5" keys respectively.

Metronome

The metronome provides a steady tick sound to help maintain a consistent practice tempo. Press the "Metronome" button to turn it on or off. When active, the Metronome button's LED will flash with the current tempo, which can be adjusted from 30 to 400 beats per minute.

To Set The Metronome Time Signature:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Metronome speed" (0-9) to set the time signature.
3. Exit Advanced Function Mode.
4. You can set time signatures using keys marked Metronome speed 0-9 as: 1/4, 2/4, 3/4, 4/4, 6/4, 3/8, 6/8, 7/8, 9/8, 12/8.

To set the metronome volume level:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Metronome Volume" (1-5) to set the metronome volume. '1' is the lowest volume, and '5' is the highest.
3. Exit Advanced Function Mode.

To Set The Metronome Tempo:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "TEMPO+" or "TEMPO-" to adjust the tempo value. Pressing both keys simultaneously restores the default tempo of 120.
3. Alternatively, use the "Metronome" keys (0-9) to enter the tempo value by pressing three keys in sequence (e.g., 1, 2, 0 for 120 bpm; 0, 6, 4 for 64 bpm).
4. You can also tap the "TAP" key to set the desired tempo. The metronome will start at the speed of the last two taps.
5. Exit Advanced Function Mode.

Setting the MIDI channel

Set the MIDI channel for USB-MIDI output using Advanced Function Mode.

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "MIDI Ch+" or "MIDI Ch-" to set the MIDI Out channel from 1 to 16. Pressing both keys simultaneously restores the default channel setting to 1.

Note: The keyboard uses only one MIDI channel at a time, even in Split or Layer Mode.

1. Exit Advanced Function Mode.

Setting MIC Parameters

1. Enter Advanced Function Mode (function LED will be lit).
2. Touch "MIC VOL+" to increase voice volume or "MIC VOL-" to decrease it.
3. Touch "MIC echo+" to increase echo effect or "MIC echo-" to decrease it.
4. Exit Advanced Function Mode.

MP3 Function

Play songs from a USB stick by inserting it into the USB port.

1. Enter Advanced Function Mode (function LED will be lit).
2. Touch the MP3 "Play/Pause" key to play or pause songs.
3. Touch the MP3 "Play" key to select a desired song.
4. Touch the MP3 "Forward" or "Rewind" keys to skip forward or back.
5. Touch the volume keys to adjust the volume.
6. Exit Advanced Function Mode.

Auto Power Off

To save energy, the piano automatically shuts down after 30 minutes of inactivity.

To enable or disable the Auto Power Off function:

1. Enter Advanced Function Mode (function LED will be lit).
2. Use the keys marked "Auto Power Off" to enable or disable the function.
3. Exit Advanced Function Mode.

Settings Memory

The following settings are restored after power off/on:

• The selected tone (the 1st tone in layer mode)
• Reverb and Chorus on/off setting
• Split point of the left and right hand
• Click sound on or off
• Touch sensitivity level
• Transpose level
• Octave level
• Reverb level
• Chorus level
• Metronome, Tempo/Volume/Time signature
• MIDI Channel
• Auto power off setting

The following settings are not restored:

• Split mode
• Microphone Volume and Echo
• MP3 Player Volume

Restore Factory Default Settings

1. Enter Advanced Function Mode (function LED will be lit).
2. Pressing the reset key restores the following parameters to their default values: Reverb, Chorus, Metronome, Tempo, Metronome Time signature, Metronome Volume, Upper Volume, Lower Volume, Split Volume, Split point, MIDI Channel, Touch Sensitivity, Auto Power off.
3. Exit Advanced Function Mode.

Troubleshooting

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 the following two conditions: This device may not cause harmful interference. This device 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 the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the manufacturer's instructions, may cause interference harmful to radio communications.

There is no guarantee, however, that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio or TV technician for help.

[FCC Logo Description: The FCC logo is a stylized 'FCC' mark.]

Product Disposal Instructions

The symbol shown here and on the product indicates that the product is classified as Electrical or Electronic Equipment and should not be disposed of with other household or commercial waste at the end of its working life. The Waste Electrical and Electronic Equipment (WEEE) Directive (2012/19/EU) encourages the recycling of products using best available recovery and recycling techniques to minimize environmental impact, treat hazardous substances, and avoid landfill increase.

When you have no further use for this product, please dispose of it using your local authority's recycling processes. For more information, contact your local authority or the retailer where the product was purchased.

[WEEE Disposal Symbol Description: A symbol showing a crossed-out wheeled bin.]

RockJam is a registered trademark of: PDT Ltd, Unit 4B, Greengate Industrial Estate, White Moss View, Middleton, Manchester M24 1UN, UK. Email: info@pdtuk.com