ROLAND — 290 free PDF user manuals

Q: What is the battery life of the Roland AC-33 amplifier when operating on batteries?

The Roland AC-33 amplifier can operate independently using 8 AA batteries. The battery life varies depending on the type of batteries used: Approximately 8 hours with alkaline AA batteries. Approximately 9 hours with rechargeable NiMH (nickel-metal hydride) batteries. This battery life allows for extended use without the need for a power outlet, making it ideal for mobile or outdoor performances.

Q: What is the middle pedal on the ROLAND KR-375 keyboard for and how do I use it?

The middle pedal on the ROLAND KR-375 keyboard is commonly referred to as the sostenuto pedal. It allows you to sustain only certain notes played at the moment you press the pedal, unlike the sustain pedal (right pedal) which sustains all notes. How the sostenuto pedal works: Play the notes you wish to sustain. Press the middle pedal to sustain those notes. Release the keys while keeping the pedal pressed, the selected notes will then remain sustained. You can then play other notes without them being sustained. This function is useful for creating musical effects where certain notes need to be held while others are played normally.

Q: How to reset the Roland VT-12 voice recorder?

To reset your Roland VT-12 voice recorder to factory settings, follow these simple steps: Turn off the device if you haven't already. Press and hold the right button (often the “Play” button). While holding this button, turn the device back on . After a few seconds, release the button . The device should then be reset. This procedure restores the original settings of the Roland VT-12. If the reset does not work or if you encounter difficulties, feel free to request further assistance.

Q: How to connect an external device to the ROLAND EP-880 digital piano?

The ROLAND EP-880 digital piano offers several options for connecting external devices, such as speakers, a computer, or other instruments. Here’s how to proceed: Identify the connection ports Locate the audio outputs located at the back or on the sides of the piano (1/4" jack or USB ports). Also check for MIDI or USB inputs if you want to connect a computer or another compatible instrument. Choose the appropriate cable To connect external speakers, use a 1/4" (6.35 mm) stereo or mono jack cable depending on the available output. For a connection to a computer, use a compatible USB cable (usually USB-B to USB-A). For MIDI, use a standard MIDI cable if the piano and the device support it. Proceed with the connection Plug one end of the cable into the appropriate output of the piano. Connect the other end to the external device (speaker, audio interface, computer, etc.). Configure and test Turn on the piano and the external device. Adjust the volumes to a moderate level to avoid any distortion. Play a few notes to check that the sound is correctly transmitted and audible through the external device. This procedure will allow you to fully utilize the capabilities of your ROLAND EP-880 by integrating external audio equipment.

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