Casio CTK691 User's Guide

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Casio CTK691 Keyboard Specification

The Casio CTK691 Keyboard is a versatile instrument designed for both beginners and experienced musicians, offering a range of features that enhance musical creativity and performance. It comes equipped with 61 full-size keys, providing a realistic piano feel, which is essential for developing proper playing techniques. The keyboard boasts a comprehensive sound engine, supporting 516 high-quality tones that span various instruments, including pianos, strings, and percussion, allowing users to explore diverse musical genres.

The CTK691 includes a 32-note polyphony, ensuring smooth performance even during complex passages. It features 120 built-in rhythms and accompaniments, offering a wide array of backing tracks for practice or live performance. Its user-friendly interface is complemented by an LCD display that provides clear information on selected tones, rhythms, and other settings, making navigation intuitive.

For composers and arrangers, the keyboard includes a 6-track, 5-song memory sequencer, facilitating the recording and layering of musical ideas. It also supports General MIDI, enabling seamless integration with external MIDI devices and software, expanding its utility in studio environments.

Connectivity options include a headphone output for silent practice, an audio input for connecting external devices, and a MIDI output for connecting to other MIDI-compatible instruments. The keyboard is powered by an AC adapter or six D-size batteries, offering flexibility for both home and portable use.

The Casio CTK691 is an all-around keyboard that combines functionality, sound quality, and ease of use, making it an excellent choice for musicians seeking a reliable and feature-rich instrument.

Casio CTK691 Keyboard F.A.Q.

How do I perform a factory reset on my Casio CTK-691?

To perform a factory reset on the Casio CTK-691, turn off the keyboard, then press and hold the "Tone" and "Rhythm" buttons while turning the power back on. This will reset the keyboard to its default settings.

How can I record a song using the Casio CTK-691?

To record a song, press the "Song Memory" button, select a song number using the number keys, then press the "Start/Stop" button to begin recording. Play your music, and press "Start/Stop" again to finish recording.

What should I do if some keys on my Casio CTK-691 are not producing sound?

First, check if the keyboard is set to a split mode or layer that might affect sound output. Ensure the volume is up and the keyboard is not muted. If the issue persists, a hardware problem might exist, requiring professional servicing.

Can I connect my Casio CTK-691 to a computer?

Yes, you can connect the Casio CTK-691 to a computer using a MIDI interface. Connect the MIDI OUT of the keyboard to the MIDI IN of the interface, and connect the interface to your computer via USB.

How do I change the touch sensitivity of the keys on my Casio CTK-691?

Press the "Function" button, then use the arrow keys to navigate to "Touch Response." Use the number keys to select the desired sensitivity level.

What is the procedure for replacing the batteries in my Casio CTK-691?

Turn off the keyboard and place it upside down on a soft surface. Open the battery compartment cover, remove the old batteries, and insert new ones, ensuring correct polarity. Close the cover securely.

How can I use the Casio CTK-691's metronome feature?

Press the "Metronome" button to start the metronome. Use the "Tempo" buttons to set the desired speed. Press "Metronome" again to stop it.

Why is my Casio CTK-691 keyboard not turning on?

Check if the power adapter is properly connected and functioning. If using batteries, ensure they are inserted correctly and have enough charge. If the problem persists, consult a professional technician.

How do I layer two sounds on the Casio CTK-691?

Select the first tone by pressing the "Tone" button and entering the tone number. Then press the "Layer" button and select the second tone. Both tones will play simultaneously.

Is it possible to transpose the pitch on the Casio CTK-691?

Yes, press the "Function" button and use the arrow keys to navigate to "Transpose." Adjust the pitch using the number keys to the desired transposition.