1. Pengenalan
This manual provides comprehensive instructions for the RockJam 25 Key Bluetooth MIDI Keyboard, Model RJMK25. It covers product features, setup procedures, operational guidelines, maintenance tips, and troubleshooting information to ensure optimal performance and user experience. Please read this manual thoroughly before using your device.
2. Produk Lebihview
The RockJam RJMK25 is a compact and versatile MIDI controller designed for music production and performance. It features 25 velocity-sensitive mini keys, 8 backlit velocity-sensitive drum pads, 8 assignable 360-degree control knobs, and an omni-directional joystick for pitch and modulation control. It supports both Bluetooth MIDI and USB connectivity, and includes a built-in rechargeable battery for portable use.

Rajah 2.1: Depan view of the RockJam 25 Key Bluetooth MIDI Keyboard RJMK25, showcasing its keys, pads, knobs, and joystick.

Rajah 2.2: Bersudut view of the keyboard, highlighting its compact design and control layout.

Rajah 2.3: Terperinci view of the 25 velocity-sensitive mini keys.

Figure 2.4: Close-up of the 8 backlit velocity-sensitive drum pads and 8 assignable control knobs.

Figure 2.5: Detail of the omni-directional joystick for pitch and modulation control.

Figure 2.6: Rear panel connections, including Pedal input, MIDI OUT, ON/OFF switch, and USB port.
3. Persediaan
3.1 Pengecasan Awal
Before first use, fully charge the RockJam RJMK25 using the provided USB cable. Connect the USB cable to the keyboard's USB port and to a standard USB power adapter (not included) or a computer's USB port. The charging indicator will show the charging status.
3.2 Hidupkan/Mati Kuasa
Locate the ON/OFF switch on the rear panel of the keyboard. Slide the switch to the 'ON' position to power on the device. Slide it to the 'OFF' position to power off.
3.3 Connecting via USB
For a wired connection, connect the USB cable from the keyboard's USB port to a USB port on your computer or compatible device. The keyboard is driverless and plug-and-play, meaning it should be recognized automatically by most operating systems and Digital Audio Workstations (DAWs).
3.4 Connecting via Bluetooth MIDI
To connect wirelessly via Bluetooth MIDI:
- Pastikan papan kekunci dihidupkan.
- Activate Bluetooth on your computer, tablet, or mobile device.
- Open your DAW or music application and navigate to its MIDI settings or Bluetooth MIDI device list.
- Select the RockJam RJMK25 from the list of available Bluetooth MIDI devices to establish a connection.
4. Arahan Operasi
4.1 Kekunci
The 25 mini keys are velocity-sensitive, meaning the volume or intensity of the sound produced will vary based on how hard you press them. This allows for expressive playing.
4.2 Pad Drum
The 8 backlit drum pads are also velocity-sensitive and can be used to trigger samples, drums, or other sounds within your software. Their backlighting provides visual feedback.
4.3 Tombol Kawalan
The 8 assignable 360-degree control knobs can be mapped to various parameters in your DAW or software instruments, such as volume, filter cutoff, effects send, and more. Refer to your software's manual for MIDI mapping instructions.
Joystick 4.4
The omni-directional joystick provides dynamic control over pitch bend and modulation. Moving the joystick left/right typically controls pitch bend, while moving it up/down controls modulation, adding expressiveness to your performance.
4.5 Keserasian Perisian
The RockJam RJMK25 is compatible with a wide range of Digital Audio Workstations (DAWs) and music software, including but not limited to:
- Ableton Live
- FL Studio
- Logik Pro X
- GarageBand
- Cubase
- Alat Pro
- Studio Satu
- Sebab
- And many others supporting standard MIDI input.
5. Penyelenggaraan
To ensure the longevity and proper functioning of your RockJam RJMK25 MIDI Keyboard, follow these maintenance guidelines:
- Pembersihan: Gunakan kain lembut dan kering untuk mengelap permukaan papan kekunci. Untuk kotoran degil, lap sedikitampen the cloth with water. Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the finish and internal components.
- Storan: Store the keyboard in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If storing for an extended period, ensure the battery is partially charged (around 50%) to preserve battery health.
- Pengendalian: Avoid dropping the device or subjecting it to strong impacts. Do not place heavy objects on top of the keyboard.
- Pendedahan Cecair: Keep the keyboard away from liquids. In case of accidental spills, immediately power off the device and disconnect it from any power source. Allow it to dry completely before attempting to use it again. If issues persist, contact customer support.
6. Penyelesaian masalah
If you encounter issues with your RockJam RJMK25, refer to the following common troubleshooting steps:
- Tiada Kuasa: Ensure the keyboard is fully charged. Connect it to a USB power source and check if the charging indicator lights up. Verify the ON/OFF switch is in the 'ON' position.
- Tiada Output Bunyi/MIDI:
- Sambungan USB: Confirm the USB cable is securely connected to both the keyboard and your computer. Check your DAW's MIDI input settings to ensure the RockJam RJMK25 is selected as an active MIDI device.
- Sambungan MIDI Bluetooth: Ensure Bluetooth is enabled on your host device and the keyboard is paired and connected within your DAW's MIDI settings. Try unpairing and re-pairing the device.
- Tetapan Perisian: Verify that your DAW or software instrument is correctly configured to receive MIDI input and that the track is armed for recording or monitoring.
- Lag/Latency with Bluetooth: Wireless connections can sometimes introduce latency. Try reducing the buffer size in your DAW's audio settings. For critical timing, a wired USB connection is recommended.
- Kekunci/Pad Tidak Bertindak balas: Ensure the keyboard is powered on and connected. If specific keys or pads are unresponsive, try restarting the device and your software. If the issue persists, contact customer support.
- Bateri Habis Cepat: Battery life can vary based on usage. Ensure the keyboard is fully charged before use. If the battery life significantly degrades over time, it may indicate a need for service.
For further assistance, please refer to the RockJam support webtapak atau hubungi perkhidmatan pelanggan mereka.
7. Spesifikasi

Figure 7.1: Dimensions of the RockJam 25 Key Bluetooth MIDI Keyboard RJMK25.
| Ciri | Perincian |
|---|---|
| Nama Model | RockJam 25 Key Bluetooth MIDI Keyboard with 8 Velocity Sensitive Touchpads, 8 Knobs & 360 Thumbstick |
| Nombor Model Item | RJMK25 |
| Bilangan Kunci | 25 (Mini Keys) |
| Pad | 8 Backlit Velocity-Sensitive Touch Pads |
| Tombol | 8 360-degree Control Knobs |
| Kayu bedik | Omni-directional (Pitch/Modulation) |
| Teknologi Ketersambungan | Bluetooth, USB |
| Jenis Penyambung | USB |
| Sumber Kuasa | Battery Powered (Built-in Rechargeable) |
| Dimensi Produk | 7"D x 13.6"W x 2"H (17.8cm D x 34.5cm W x 5.1cm H) |
| Berat Barang | 1.75 paun (0.79 kg) |
| Bahan Badan | plastik |
| warna | Kelabu |
| Perisian yang Disokong | Ableton Live, FL Studio, Logic Pro X, GarageBand, Cubase, Pro Tools, Studio One, Reason, and others. |
8. Apa yang ada di dalam Kotak
Upon unpacking your RockJam 25 Key Bluetooth MIDI Keyboard, you should find the following items:
- RockJam 25 Key Bluetooth MIDI Keyboard (RJMK25)
- Kabel USB

Figure 8.1: Contents of the RockJam RJMK25 package, including the keyboard and USB cable.
9. Waranti dan Sokongan
Untuk maklumat jaminan dan sokongan pelanggan, sila rujuk laman web rasmi RockJam webtapak atau hubungi peruncit dari mana anda membeli produk tersebut. Simpan bukti pembelian anda untuk tuntutan waranti.





