What to do if my RockJam RJ549 Keyboard has no sound?
If your RockJam Keyboard produces no sound when the keys are pressed, verify that the volume is appropriately adjusted. Also, ensure that headphones or other external equipment are not connected to the keyboard, as these will automatically disable the built-in speakers.
What to do if my RockJam RJ549 Keyboard sound is distorted?
If the sound from your RockJam Keyboard is distorted or interrupted, and the keyboard isn't working properly, the issue might be due to using an incorrect power adapter or the batteries needing replacement. Ensure you are using the power adapter supplied with the keyboard.
Why does auto accompaniment not work on my RockJam RJ549?
If the auto accompaniment feature is not working in SYNC status on your RockJam Keyboard, ensure that Chord mode is selected. Then, play a note using the first 19 keys on the left side of the keyboard.
Why is there a difference in timbre of some notes on my RockJam RJ549 Keyboard?
A slight difference in timbre of some notes on your RockJam Keyboard is normal. It is caused by the keyboard's different tone sampling ranges.
What to do if sustain function has different sustain lengths on my RockJam Keyboard?
If some tones have long sustain and some short sustain when using the sustain function on your RockJam Keyboard, this is normal. The sustain length for different tones has been pre-set.
Why is there a faint noise when turning on my RockJam RJ549?
A faint noise heard when turning a RockJam Keyboard on or off is normal, so there is nothing to worry about.
General| Voices | 100 |
|---|---|
| Rhythms | 100 |
| Power Supply | DC 9V |
| Built-in Speakers | Yes |
| Headphone Output | Yes |
| Tones | 100 |
| Power Source | Adapter |
| Included Accessories | Keyboard Stand |
Detailed description of the controls and indicators on the front panel of the keyboard.
Explanation of the external connection ports located on the back of the keyboard.
Instructions for connecting and using the specified DC power adapter.
Guidance on how to properly install and use batteries for power.
How to turn the keyboard power on and off using the power button.
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