Zavedení
This manual provides comprehensive instructions for the setup, operation, and maintenance of your RockJam 61-Key Keyboard Piano, model RJ640. Please read this manual thoroughly before using the instrument to ensure proper function and longevity.

The RockJam 61-Key Keyboard Piano RJ640, featuring a compact design and integrated sheet music stand. This image displays the full keyboard with a tablet placed on the stand, illustrating its use for digital sheet music or learning applications.
The RockJam RJ640 is a portable 61-key electronic keyboard designed for both beginners and experienced players. It offers a wide range of features including various tones, rhythms, demo songs, and recording capabilities. Its versatile power options allow for use at home or on the go.
Nastavení
1. Napájení klávesnice
- Napájení ze sítě: Connect the included power adapter to the 9V DC input port on the rear of the keyboard and plug it into a standard electrical outlet.
- Napájení baterie: For portable use, the keyboard can be powered by 6 x 1.5V batteries (not included). Open the battery compartment on the underside of the keyboard and insert the batteries, observing correct polarity.
2. Attaching the Sheet Music Stand

The detachable sheet music stand, designed to securely hold sheet music or a smart device on the keyboard.
Align the tabs on the bottom of the sheet music stand with the slots located on the top rear of the keyboard. Gently push down until the stand clicks securely into place. This stand can hold traditional sheet music or a tablet/smartphone for digital learning.
3. Applying Piano Note Stickers

Detailní záběr view of the keyboard's white keys with the included note stickers applied. The stickers display musical notation and corresponding note names, aiding in learning.
The included piano note stickers are designed to assist beginners in identifying keys. Carefully peel each sticker and apply it to the corresponding white key as indicated on the sticker. Ensure the stickers are aligned neatly for best visibility.
4. Připojení periferií

The rear connection panel of the RockJam keyboard, featuring ports for MIDI, USB, Audio Input, Microphone, Headphones Output, and DC 9V power input.
- Headphones (PHONES OUTPUT): Connect standard 3.5mm headphones to the "PHONES OUTPUT" jack for private practice.
- Mikrofon (MIC): Connect a microphone to the "MIC" input jack to sing along with your playing.
- Audio Input (AUDIO INPUT): Use the "AUDIO INPUT" jack to connect external audio devices like smartphones or tablets to play along with your favorite tracks.
- USB: The USB port allows for MP3 playback from a USB drive.
- MIDI: The MIDI port enables connection to other MIDI-compatible devices or computers for advanced music production.
Návod k obsluze
1. Zapnutí/vypnutí

Detailní view of the RockJam keyboard's power button, volume controls, and tempo adjustment buttons, located on the left side of the control panel.
Stiskněte červenou MOC button located on the left side of the control panel to turn the keyboard on or off. The LED display will illuminate upon power-on.
2. Volume and Tempo Control
- Objem: Použijte OBJEM + a - buttons to adjust the overall sound output level.
- Tempo: Použijte TEMPO + a - buttons to increase or decrease the speed of rhythms and demo songs.
3. Tones, Rhythms, and Demo Songs

A close-up of the RockJam keyboard's central control panel, highlighting the LED display, percussion pads, and buttons for selecting tones, rhythms, and activating learning modes.
The keyboard features 200 Tones, 200 Rhythms, and 40 Demo Songs. Refer to the printed list on the keyboard's control panel for specific numbers.
- Výběr tónů: Stiskněte tlačítko TÓN a poté použijte numerickou klávesnici nebo +/- tlačítky vyberte požadovaný zvuk nástroje.
- Výběr rytmů: Stiskněte tlačítko RYTMUS a poté použijte numerickou klávesnici nebo +/- buttons to select a desired rhythm style. Press START/STOP zahájit nebo ukončit rytmus.
- Přehrávání demo skladeb: Stiskněte tlačítko DEMO button to cycle through the built-in demo songs.
4. Funkce nahrávání a přehrávání
The keyboard allows you to record up to 46 notes.
- Záznam: Stiskněte tlačítko REC button. Play the notes you wish to record. The LED display will indicate recording is active.
- Přehrávání: Stiskněte tlačítko HRÁT button to listen to your recorded sequence.
5. Learning Modes and Simply Piano App

An illustration of the Simply Piano application interface, demonstrating its interactive learning features that guide users step-by-step through piano lessons.
The RJ640 includes two built-in teaching modes to assist with learning. Additionally, as a RockJam customer, you gain access to exclusive content within the Simply Piano application. Download the Simply Piano app on your smart device and follow the instructions to connect your keyboard for interactive lessons.
Údržba
- Čištění: K otření povrchu klávesnice použijte měkký, suchý hadřík. V případě odolné nečistoty použijte lehceamp Lze použít hadřík a poté suchý hadřík. Nepoužívejte abrazivní čisticí prostředky, rozpouštědla ani vosky.
- Výměna baterie: If using battery power, replace all 6 x 1.5V batteries when the sound becomes distorted or the keyboard fails to power on. Dispose of old batteries responsibly.
- Skladování: When not in use for extended periods, store the keyboard in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If using batteries, remove them before long-term storage to prevent leakage.
- Zacházení: Avoid dropping the keyboard or subjecting it to strong impacts. Do not place heavy objects on top of the keyboard.
Odstraňování problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Klávesnice se nezapíná. |
|
|
| Žádný zvuk z reproduktorů. |
|
|
| Zkreslený zvuk. |
|
|
| USB MP3 playback not working. |
|
|
Specifikace
| Funkce | Detail |
|---|---|
| Model | RJ640 |
| Počet klíčů | 61 |
| Rozměry (D x Š x V) | 83.5 x 28 x 8.5 cm (32.87 x 11.02 x 3.35 palce) |
| Hmotnost | 4.4 kg (9.7 lb) |
| Tóny | 200 |
| Rytmy | 200 |
| Demo písně | 40 |
| Funkce záznamu | 46-note record and playback |
| Konektivita | USB (MP3 playback), Audio Input (3.5mm), Microphone Input (3.5mm), Headphones Output (3.5mm), MIDI |
| Zdroj napájení | DC 9V power adapter (included) or 6 x 1.5V batteries (not included) |
| Speciální funkce | LED Display, Built-in Teaching Modes, Simply Piano App Access |
Záruka a podpora
RockJam products are designed for reliability and performance. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official RockJam webwebu. Uschovejte si účtenku jako doklad o koupi.
For technical support, troubleshooting assistance beyond this manual, or inquiries about the Simply Piano application access, please contact RockJam customer service through their official support channels. Details can typically be found on the product packaging or the RockJam webmísto.
Simply Piano App: As a RockJam customer, you are entitled to exclusive content within the Simply Piano application. Ensure you register your product or follow the instructions provided with your keyboard to unlock this content. For app-specific support, please contact Simply Piano directly.






