NUX NEK-100 Portable Keyboard User Manual

NUX NEK-100 Portable Keyboard

Specifications

• 500 Sounds
• 100 Styles
• 100 Demo Songs
• Pitch Bend Wheel
• Dual Voice
• Split Keyboard
• 5 User Presets
• 5 Levels of Touch Response
• Auto Accompaniment
• Live Music Function
• Transpose & Octave Shift
• 3 Types of Reverb
• Rechargeable Battery
• Bluetooth

Product Usage Instructions

Setting Up

Basic Connections: Connect the keyboard to a power source using the provided cable. Make sure all necessary cables are properly connected.

Turning Power On/Off: Press the POWER button to turn the keyboard on or off.

Playing the Keyboard

Selecting a Sound: Rotate the VALUE Dial to browse through different sounds and press the corresponding function buttons to select a sound.

Using the Metronome: Press the METRONOME button to activate the metronome feature for keeping time while playing.

Changing the Tempo: Use the TAP button to adjust the tempo for different functions like styles, metronome, demo songs, and live music songs.

Transpose: Adjust the overall pitch of the keyboard in semitone steps using the TRANSPOSE button.

Effects & Functions

Changing the Touch Response: Access the Touch Response settings through the SETTINGS button to adjust the sensitivity of the keys.

Adding Reverb Effects: Customize your sound by adding reverb effects through the SETTINGS menu.

Bluetooth Audio & MIDI: Connect your device via Bluetooth to stream audio or MIDI data for enhanced functionality.

Octave Shift: Shift the octave range of your keyboard using the octave shift feature.

Adjusting Overall Pitch (A4)

Layering a Dual Voice: Combine two different voices to create a layered sound by using the Dual Voice feature.

Splitting the Keyboard: Divide the keyboard into two sections with different voices using the Split Keyboard function.

User Presets: Save your preferred settings and configurations to easily access them later using the User Presets feature.

Rhythms & Accompaniment
Playing a Rhythm: Explore different rhythms and accompaniments by selecting from the available styles and variations.

FAQ

How do I charge the built-in rechargeable battery?
To charge the battery, connect the keyboard to a power source using the provided cable. Ensure the keyboard is turned off during charging.

Can I connect headphones to this keyboard?
Yes, you can connect headphones to the keyboard for private practice sessions. Locate the headphone jack on the rear panel for connection.

Thank you for purchasing this NUX NEK-100 Portable Keyboard!
NEK-100 includes a built-in rechargeable battery, is lightweight and with a compact size, and includes various sounds, styles and functions. We hope it will provide you with endless amounts of musical enjoyment!
We recommend that you read this manual carefully to fully understand and utilize all the functions. Be sure to keep this manual properly for future reference.

Features

• 500 Sounds
• 100 Styles
• 100 Demo Songs
• Pitch Bend Wheel
• Dual Voice
• Split Keyboard
• 5 User Presets
• 5 Levels of Touch Response
• Auto Accompaniment
• Live Music Function
• Transpose & Octave Shift
• 3 Types of Reverb
• Rechargeable Battery
• Bluetooth

Control Panels

Front Panel

1. POWER Button
   Press to turn power on/off.

2. Volume Controls
   Press to increase or decrease the master volume (0-10). The volume is shown in the middle top area of the screen.

3. Function Buttons
   Operations are assigned to these 3 function buttons according to the labels shown in the screen above the buttons.

4. Display Screen
   Displays current operations.

5. VALUE Dial
   Rotate to browse pages, set parameters or select voices / songs / styles etc.

6. HOME Button
   Press to return to the main page.

7. SETTINGS Button
   Press to enter the effects and functions settings, including Touch Response, Reverb, Bluetooth, Octave Shift, A4 Tuning, Dual Voice, Split Keyboard, User Presets, and Factory Reset.

8. A/B Button
   Press to switch between the A and B variations of the styles.

9. TRANSPOSE Button
   Change the overall pitch of the keyboard in semitone steps.

10. METRONOME Button
    Press to enter the metronome settings.

11. TAP Button
    Tap to adjust the tempo for the styles, the metronome, the demo songs and the live music songs.

12. INTRO/ENDING Button
    In rhythm/style mode, press to insert an intro or ending pattern.

13. PLAY/STOP Button
    Press to start or stop the playing.

14. Pitch Bend Wheel
    Rotate to smoothly slide the pitch of notes (±2 semitones).

15. USB MIDI Jack
    Connect to a computer via USB MIDI and use the keyboard as a MIDI device.

16. BLUETOOTH MODULE Jack
    Connect to NUX NBT-1 module to enable Bluetooth Audio and Bluetooth MIDI functions.

17. DC 12V Jack
    Connect the power adaptor. DC 12V 2A Center Positive.

18. AUX IN Jack
    3.5mm stereo Aux In jack. Connect to an external device (MP3/phone/pad etc.) to play audio.

19. Jack
    Connect a pair of headphones to this 3.5mm stereo jack.
    Note: When connected, the built-in speakers will be muted, while the AUX OUT will still work.

20. AUX OUT Jack
    6.35mm stereo audio output jack. Use an audio cable to send the audio signal to external speakers, mixers, etc.
    Note: When connected, the built-in speakers will still work. If you’d like to mute the built-in speakers, connect a plug to the PHONES jack at the same time.

21. PEDAL Jack
    Connect a sustain pedal to this jack.

Setting Up

Basic Connections

Turning Power On/Off

Use the built-in rechargeable battery or connect the included power adaptor to the DC 12V jack on the rear panel and plug it to a power supply, the NEK-100 will be ready to be powered on.

Press and hold the POWER button for 2 seconds, the NEK-100 will power on. After a welcome page, the screen will display the main page.
Press and hold the POWER button for 2 seconds, the NEK-100 will power off.
When not connected to a power supply, the NEK-100 will automatically power off after 30 minutes of inactivity.

Playing the Keyboard

Selecting a Sound

The current Sound is displayed on the main page. By default, this is set to Grand Piano.
Use the dial to select a different Sound. There are 500 great Sounds for you to select. (See the Sound List in Appendix for details.)

Using the Metronome

Press the METRONOME button to display the metronome settings, then press the function buttons below the screen to enter BEAT, VOICE, and VOL setting. Use the dial to adjust:

classic Cherub WSM-330 metronome), Electr. (electronic sound)
VOL| 0-10

Adjust the volume of the metronome.

Changing the Tempo

Press the TAP button to display the current tempo setting, then use the dial to adjust the tempo (40-240BPM). Or simply tap on the TAP button for 3 times, and it will automatically detect your tempo. The current tempo is shown on the right corner of the screen as “BPM”.

Transpose

Press the TRANSPOSE button, then use the dial or the function buttons to change the overall pitch of the keyboard in semitone steps (-12-+12). The current pitch is shown on the left corner of the screen as “KEY”.

Demo Songs

On the main page, press the middle function button which indicates the DEMO to enter Demo Song mode.
Use the dial or the function buttons to select one of the included 100 demo songs. (See the Demo Song List in Appendix for details.)
Press the PLAY/STOP button to start/stop playing the demo songs.

Effects & Functions

Press the SETTINGS button to display the Functions page.

Changing the Touch Response

From the Functions page, ENTER the [ ] settings to adjust the Touch Response of the keyboard (Light1, Light2, Normal, Hard1, Hard2).

Adding Reverb Effects

From the Functions page, ENTER the [ ] settings to adjust the Reverb effects. Press the function buttons to select between 3 types of Reverbs including ROOM, HALL, PLATE. Use the dial to adjust the depth of the Reverb (0-100).

Bluetooth Audio & MIDI 

From the Functions page, ENTER the [ ****] settings to turn ON/OFF the NBT-1 Bluetooth Module which will activate/deactivate the Bluetooth Audio and Bluetooth MIDI functions.

Bluetooth Audio
Open the Bluetooth list on your smart devices (phones, tablets etc.) and connect to “NEK-100”. When connected successfully, you will hear a notification sound and the blue light on the NBT-1 module will light up. Now you can stream music from your devices to the NEK-100.

Bluetooth MIDI
NEK-100 can be connected to various mobile APPs via Bluetooth MIDI. For example, you can connect to NUX Piano Mate and practice with the music scores in the APP. In the APP, enable Bluetooth on the music score page and connect to “NEK-100”.

Octave Shift

From the Functions page, ENTER the [ ] settings to shift the overall pitch of the keyboard 1 octave up or down (-1-+1).

Adjusting Overall Pitch (A4)

From the Functions page, ENTER the [ ] settings to adjust the A4 (420-460Hz).

Layering a Dual Voice

• From the Functions page, ENTER the [ ] settings to layer a Dual Voice. The voice you selected before entering this setting becomes the Main Voice, while the voice you can select here will become the Layered Voice.
• Press the middle function button which displays VOL, and then use the dial to adjust the Volume for the Layered Voice.

Splitting the Keyboard

From the Functions page, ENTER the [ ] settings to split the keyboard into two sub-keyboards. The default Split Point is F#4, and you can use the dial or directly press the key to change it after selecting the POINT option.
The Main Sound or Dual Sound you were playing before splitting the keyboard becomes the sound for the right-hand area, while you can select and play another sound on the left-hand area.

User Presets

From the Functions page, ENTER the [ ] settings to save or recall User Presets. There are 5 user presets slots for you to save all parameters including the sound, rhythm, etc.
Press SAVE to save all the parameters in the current slot. Press LOAD to recall them again whenever you need it.

Rhythms & Accompaniment

Playing a Rhythm

From the main page, press the right function button labeled RHYTHM to enter the Rhythm/Style mode.
Use the dial or the function buttons to change between the 100 rhythms/styles. (See the Style List in Appendix for details.)

Press the PLAY/STOP button to start/stop playing the rhythm/style.

Auto Accompaniment

From the Rhythm page, press the left function button labeled ACMP to activate/deactivate Auto Accompaniment. When activated, the keyboard will be split at F#3 and the left-hand area will be used for playing chords.

Single/Multi Fingering

From the Rhythm page, press the middle function button to choose from the two fingering types, SINGLE or MULTI, for playing chords.

Chord Examples:

Sync Start

From the Rhythm page, press the right function button labeled SYNC to activate/deactivate Sync Start for the Auto Accompaniment. When activated, the Auto Accompaniment will start simultaneously with the first chord played on the left-hand area.

Inserting an Intro or an Ending

While in the Rhythm/Style mode, press the INTRO/ENDING button to insert an Intro to the current style. When the style is played, it will start with the Intro and then move to the Main section when the Intro is finished.
Press the INTRO/ENDING button again and the section will switch to the Ending. When the Ending is finished, the style will stop.

Changing the A/B Variations
Each style has 2 variations, Main A and Main B. In the Rhythm mode, press the A/B button to switch between these 2 variations. A fill-in will be automatically added before changing.

Live Music Mode

Entering Live Music Mode

On the main page, press the left function button labeled LIVE to enter Live Music mode. The keyboard will be split at E4.

The functions of the keys on the left-hand area will be as below:

The right-hand area can be switched between the normal melody keyboard and the Live Music Sound keyboard:

Playing a Live Music

Use the dial to select one of 20 live music songs. (See the Live Music List in Appendix for details.)
Each song consists of 4 parts, DRUM, BASS, MELODY1, and MELODY2. For each part, there are 3 different phrases options with increasing density (1 has the least density while 3 has the most density). Press the key to start/stop playing the phrase accordingly.

You can play the same option of the 4 parts together by pressing the keys in the GROUP. E.g. Pressing GROUP 1 key (C2) will play DRUM 1, BASS 1, MELODY1 1, and MELODY2 1 together.

Or, you can combine different options of each part. E.g. While GROUP 1 is playing as described above, pressing DRUM 2 key (G2) will change the phrase of the DRUM from DRUM 1 to DRUM 2 while the other parts stay the same.

Adjusting the Pitch
Pressing the PITCH DOWN (D4) / PITCH UP (E4) keys will adjust the overall pitch in semitones steps (-6 to 0 to +6), while the live music is playing.

Bridge, Ending, or Return to Beginning

Press the BRIDGE1 (F#3) / BRIDGE2 (G#3) / BRIDGE3 (A#3) / BRIDGE4 (C#4) key will insert a bridge with various effects. There are 4 bridge options for each live music song.
Press the ENDING1 (C#2) / ENDING2 (D#2) key will end the current live music song. ENDING1 adds effects and builds up intensity, while ENDING2 fades out.
Press the RESET (D#4) key will return to the beginning of the live music song.

Using Effects

Pressing down an Effect key will apply the corresponding effect to the entire live music song. The effect name will also appear on the display screen. The effect will stop when the key is released.

periodically through the song.
MOD HPF (G#2)| Modulation High Pass Filter. Applies effect of the HPF periodically through the song.
MOD BPF (A#2)| Modulation Band Pass Filter. Uses the frequency band filter to achieve an effect similar to radio playback.
FLANGER (C#3)| Applies an undulating, swooshing effect to the sound.
TREMOLO (D#3)| Periodic volume changes in stereo outputs to achieve a pulsating effect.

Using Live Music Sounds

From the Live Music mode, press the function button which indicates the SOUND to switch between the normal melody keyboard and the Live Music Sound keyboard for the right-hand area (F4 – C7).
When the SOUND is OFF, this enables the normal keyboard for you to play a melody along with the live music. When it’s ON, it enables the live music sounds.

System Settings

Factory Reset

From the Functions page, ENTER the [ ] settings to do factory reset. Once confirmed, all your personal edits or user presets will be cleared.

System Info

From the Functions page, ENTER the [ ] settings to check the system information.

Appendix

Live Music List

Demo Song List

Sound List

Piano

Electric Piano

Organ

Guitar

Bass

Strings

Brass

Woodwinds

Other Instrument

Percussion

233

234

| Woodblock

Kalimba

Ethnic

Voices

Synth

FX

GM

Style List

ROCK

COUNTRY

DISCO

HIPHOP

FUNK

JAZZ

OTHER

Specifications

Transpose (-12 to 0 to +12 semitones), Octave Shift (-1 to 0 to +1 octave), A4 Tuning(420-460Hz), 5 User Presets
Auto Accompaniment:| 100 Styles (Auto Chord, Single/Multi Fingering, Sync Start, A/B Variations, Intro/Ending)
Metronome:| 1-9 Beats, 4 Voices, 40-240 BPM Tempo Range, Tap Tempo
Pitch Bend Wheel:| ±2 semitones
Live Music Function:| 20 Live Music Songs
Demo Songs:| 100
Display:| TFT LCD 128X64dpi
Connectivity:| 3.5mm Stereo Phones Out, 6.35mm Stereo Aux Out, 3.5mm Stereo Aux In, Sustain Peda Jack, USB MIDI, Bluetooth Audio & Bluetooth MIDI
Speakers:| 2.2” X 4.9” X 2, 5W X 2
Power Supply:| 3000mAh Rechargeable Battery, or DC 12V 2A Center- Positive Power Adaptor
Dimensions:| 925mm(L) X 252mm(W) X 80mm(H)
Weight:| 3.1 kg
Included Accessories:| Power Adaptor, Music Rest, User Manual, NBT-1 Bluetooth Module

Specification may change without notice.

Trouble Shooting

This is normal.
Pressing a key makes no sound, after the power is on.| Please check whether the master volume is set properly, or whether the headphone jack is plugged in, which will automatically cut off the built-in speaker system.
When using the sustain pedal, some sound sustains longer, some sustains shorter.| This is normal. The tenuto of different sounds has been set to their optimized length.
The volume is too low.| Please check whether the master volume is set properly.
The speaker makes noise when a cell phone is nearby.| The cell phone will interfere when it is nearby. Please keep the cell phone away from the keyboard to avoid the jam.
The pitch doesn’t match with the key while playing.| Turning off Split function, resetting Transpose/Octave to zero, or resetting A4 Tuning will solve the problem.
The demo song distorts or interrupts.| Maybe it has been playing in maximum power for a long time so that the circuit board self-protection system is activated in case of overheat Turning down the volume or powering off the keyboard for a while will solve the problem.
There are two sounds at the same time while playing.| Maybe the Dual Voice function is turned on. Turning off Dual Voice will solve the problem.
Key touch is different from before.| This keyboard has 5 touch response levels. Maybe you have chosen different levels. You can adjust the touch response again.
The pitch doesn’t change when Split function is turned on.| Please check whether the octave shift function is turned on.
The system crashed, and it still doesn’t work after powering on again.| Please use a pin to poke the reset button on the back to reset the keyboard.

2023 Cherub Technology-All rights reserved. No part of this publication may be reproduced in any form without prior written permission of Cherub Technology.
www.nuxaudio.com
Made in China

References

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