RockJam RJ-761 User manual

RJ-761 Multi-function Keyboard
User Guide

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Important Information
Be sure to obey the following information so as not to harm yourself or others or damage this instrument
or other external equipment.
Power adapter:
• Please use only the specified AC adapter supplied with the product. An incorrect or faulty
adapter can cause damage to the electronic keyboard.
• Do not place the AC adapter or power cord near to any source of heat such as radiators or
other heaters.
• To avoid damaging the power cord, please ensure that heavy objects are not placed on it
and that it is not subject to stress or over bending.
• Check the power plug regularly and ensure it is free from surface dirt. Do not insert or
unplug the power cord with wet hands.
Do not open the body of the electronic keyboard:
• Do not open the electronic keyboard or try to disassemble any part of it. If the device is not
functioning correctly, please stop using it and send it to a qualified service agent for repair.
Use of the electronic keyboard:
•To avoid damaging the appearance of the electronic keyboard or damaging the internal parts
please do not place the electronic keyboard in a dusty environment, in direct sunlight or in
places where there are very high or very low temperatures.
•Do not place the electronic keyboard on an uneven surface. To avoid damaging internal parts
do not place any vessel holding liquid onto the electronic keyboard as spillage may occur.
Maintenance:
•To clean the body of the electronic keyboard wipe it with a dry, soft cloth only.
Connection:
•To prevent damage to the speaker of the electronic keyboard please adjust the volume of any
peripheral device to the lowest setting and gradually adjust the volume accordingly to an
appropriate level once the music is playing.
During operation:
•Do not use the keyboard at the loudest volume level for a long period.
•Do not place heavy objects onto the keyboard or press the keyboard with undue force.
•The packaging should be opened by a responsible adult only and any plastic packaging should
be stored or disposed of appropriately.
Specification
•Specifications are subject to change without notice.

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Contents
Important Information ................................................................................................................................... 1
Controls, Indicators and External Connections ............................................................................................ 4
Front Panel .............................................................................................................................................. 4
External Connections............................................................................................................................... 5
LCD Display............................................................................................................................................. 5
Preparation Before First Use ........................................................................................................................ 6
Power....................................................................................................................................................... 6
Use of AC/DC power adapter: ............................................................................................................ 6
Battery operation:................................................................................................................................ 6
Jacks and Accessories ............................................................................................................................ 6
Using headphones: ............................................................................................................................. 6
Connecting the sustain pedal:............................................................................................................. 7
Connecting an Amplifier or Hi-Fi Equipment:...................................................................................... 7
Connecting an iPad or Android device:............................................................................................... 7
Connecting a phone or audio device to the AUX Input to play music through the keyboard: ............. 8
Connecting a Laptop or PC:................................................................................................................ 8
Keyboard Operation ..................................................................................................................................... 9
Power and Volume .................................................................................................................................. 9
Power control: ..................................................................................................................................... 9
Adjustment of the Master Volume:...................................................................................................... 9
Tone......................................................................................................................................................... 9
Tone Selection: ................................................................................................................................... 9
Effect & Control...................................................................................................................................... 10
Dual Tone Keyboard: ........................................................................................................................ 10
Split Keyboard:.................................................................................................................................. 10
Sustain and Sustain Pedal use: ........................................................................................................ 10
Vibrato:.............................................................................................................................................. 11
Transpose: ........................................................................................................................................ 11
Metronome:....................................................................................................................................... 11
Panel Percussion Instruments: ......................................................................................................... 12
Rhythm .................................................................................................................................................. 12
Selecting the rhythm: ........................................................................................................................ 12

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Start / Stop: ....................................................................................................................................... 12
Sync: ................................................................................................................................................. 13
Fill in:................................................................................................................................................. 13
Accompaniment Volume Adjustment: ............................................................................................... 13
Tempo Adjustment:........................................................................................................................... 13
Chord Accompaniment .......................................................................................................................... 14
Single Finger Chords: ....................................................................................................................... 14
Chord Tones: .................................................................................................................................... 14
Intro / Ending:.................................................................................................................................... 14
Recording Function................................................................................................................................ 15
Rhythm Programming............................................................................................................................ 15
Demo Songs: ......................................................................................................................................... 16
Setting Memories M1 and M2................................................................................................................ 16
Teaching Modes .................................................................................................................................... 16
Single Key Course: ........................................................................................................................... 16
Synchronised Course:....................................................................................................................... 17
Concert Course:................................................................................................................................ 17
Progressive Learning: ....................................................................................................................... 17
Appendix I. Percussion Instruments ........................................................................................................... 18
Appendix II. Rhythm Table ......................................................................................................................... 19
Appendix III. Tone Table ............................................................................................................................ 21
Appendix IV. Demo Song Table ................................................................................................................. 23
Appendix V. Troubleshooting ..................................................................................................................... 23
Appendix VI. Chord Tables......................................................................................................................... 24
Single Finger Chords ............................................................................................................................. 24
Fingered Chords .................................................................................................................................... 25
Appendix VII. Technical Specification......................................................................................................... 26
FCC Compliance Statement....................................................................................................................... 27
FCC Class B Part 15 ............................................................................................................................. 27
Product Disposal Instructions (European Union)........................................................................................ 27

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Controls, Indicators and External Connections
Front Panel
1. Speaker
2. Power Switch
3. Start / Stop
4. Dual / Split
5. Sync / Fill in
6. Into / Ending
7. Record / Program
8. Chord
9. Sustain
10. Re-Play / Percussion
11. Chord Tone
12. Vibrato
13. Metronome
14. Main Volume +/-
15. Accompaniment Volume -/+
16. Tempo [Slow/Fast]
17. Transpose
18. Rhythms List
19. Tones List
20. LCD Screen
21. Demo
22. Tone
23. Teach
24. Rhythm
25. Memory storage 1
26. Memory storage 2
27. Memory
28. Number Buttons
29. Chord Keyboard Area
30. Keyboard Playing Area

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External Connections
LCD Display
1. TONE, RHYTHM or DEMO song
2. Digital display for song, rhythm and tone number
3. Metronome for rhythm and song
4. Mode Indicators 1
5. Tempo value of rhythm and song (bpm)
6. Volume level display
7. Playing chord indication
8. Mode Indicators 2
1. MIDI Output
2. Sustain Pedal Input
3. AUX IN
4. Headphone Output
5. DC 12V Power Input

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Preparation Before First Use
Power
Use of AC/DC power adapter:
Please use the AC/DC power adapter that came with the electronic keyboard or a power adapter with DC
12V output voltage and 1,000mA output current with a centre positive plug. Connect the DC plug of the
power adapter into the DC 12V power socket on the rear of the keyboard and then connect the other end
into the mains wall socket and switch on.
USA / Canada UK
Caution: When the keyboard is not in use you should unplug the power adapter from the mains power
socket.
Battery operation:
Open the battery lid on the underneath of the electronic keyboard and insert 6 x 1.5V Size D alkaline
batteries. Ensure the batteries are inserted with the correct polarity and replace the battery lid.
Caution: Do not mix old and new batteries. Do not leave batteries in the keyboard if the keyboard is not
going to be used for any length of time. This will avoid possible damage caused by leaking batteries.
Jacks and Accessories
Using headphones:
Connect the 3.5mm headphone plug into the [PHONES] jack on the rear of the keyboard. The internal
speaker will cut off automatically once headphones are connected. Headphones with inline volume control
are included.

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Connecting the sustain pedal:
This electronic keyboard has a 6.35mm socket for connecting a sustain pedal (included). Connect the
pedal to the 6.35mm socket.
Connecting an Amplifier or Hi-Fi Equipment:
This electronic keyboard has a built in speaker system but it can be connected to an external amplifier or
other hi-fi equipment. First turn off the power to the keyboard and any external equipment you are looking
to connect. Next insert one end of a stereo audio cable (not included) into the LINE IN or AUX IN socket
on the external equipment and connect the other end into the [PHONES] jack on the rear of the electronic
keyboard.
Connecting an iPad or Android device:
The Keyboard can be connected to an Apple or Android device through the MIDI output. This allows you
to play music through an app. Connect the USB B type plug into the MIDI output at the back of the
keyboard. USB cables for Android and Apple are not included but can be bought from Amazon or eBay.
Note: Android 6.0 and upwards are required for MIDI function.
Recommended App: ‘Simply Piano’by Joytunes available from Google Play or Apple App Store.

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Connecting a phone or audio device to the AUX Input to play music through the keyboard:
This keyboard has a built-in speaker system that can be used to play music from your phone or mobile
device. Insert one end of a stereo audio cable into the AUX IN socket on the back of the keyboard and
connect the other end into your phone or audio device. Make sure the keyboard is switched on. Use the
volume control of the phone to control the music volume. AUX in cable not included.
Connecting a Laptop or PC:
You can connect the keyboard to a laptop or PC device and work with various 3rd party MIDI software for
recording and playing back songs using midi files. Connect a cable with USB B type plug into the MIDI
output at the back of the keyboard and then connect the USB A type plug to the PC or Laptop. USB cable
for PC/Laptop connection is not included.

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Keyboard Operation
Power and Volume
Power control:
Press the [POWER] button to turn the power on and again to turn the power off. The LED will light blue to
indicate standby and red for power on.
Adjustment of the Master Volume:
The keyboard has 16 levels of volume from 000(off) - 015. To change the volume, touch the [MAIN
VOLUME +/-] buttons. The volume level is indicated by the bars on the LCD display. Pressing both the
[MAIN VOLUME +/-] buttons at the same time will make the Main Volume return to the default level (level
009). The main volume level will be retained after power off and restored at power on.
Tone
Tone Selection:
When the keyboard is switched on the default TONE is ‘’000’’ Grand Piano. To change the tone, touch the
TONE button first and then directly put in the number code on the keypad by pressing the corresponding
digits 0-9. The tones can also be changed by using the + / - buttons. Refer to Appendix III for a list of the
available tones.