To Next PageTo Next Page
Need help?Do you have a question about the Kurzweil KA-90 and is the answer not in the manual?
General| Type | Digital Piano |
|---|---|
| Number of Keys | 88 |
| Preset Programs | 20 |
| Effects | Reverb, Chorus |
| Transpose | Yes |
| Octave | Yes |
| Metronome | Yes |
| Built-in Speakers | Yes |
| Keyboard | Hammer-Action |
| Polyphony | 128 |
| Presets | 20 |
| Recorder/Sequencer | 1-track |
| Audio Outputs | Stereo Line Out |
| Headphone | 1/4" |
| MIDI | MIDI In/Out |
| USB | Yes |
| Pedal | 1 (sustain) |
| Power | DC 12V |
| Display | 3-digit LED |
Information on compliance with FCC regulations for digital devices.
Covers important safety guidelines for operation, power, connections, location, and handling.
Details the power switch, volume knob, and buttons for demo playback and MIDI mode.
Explains buttons for selecting styles, direct voice selection, and the SHIFT function.
Describes buttons for Duet, Pitch Bend, MIDI controller mode, and command settings.
Details connections for headphones, AUX IN, and AUX OUT for audio devices.
Covers the MIDI OUT terminal, SUSTAIN jack, and DC 12V power input.
Instructions for correctly attaching the included music stand to the instrument.
Steps for connecting the AC adaptor and powering the instrument on/off safely.
Explains using the two headphone jacks for private practice with or without speakers.
Details connecting audio equipment via AUX OUT and AUX IN.
Covers connecting to computers via USB and external MIDI devices via MIDI OUT.
Instructions for connecting an optional footswitch to the sustain jack for sustain control.
Explains the Sustain, Sostenuto, and Soft functions of a connected unit pedal.
Steps to turn on the instrument and adjust the master volume.
How to play and select the instrument's demo songs.
Guide to selecting and playing the instrument's 20 realistic voices.
Instructions for selecting and playing accompaniment styles with auto-accompaniment.
Details on starting/stopping styles and selecting/playing preset songs.
Steps for recording, playing back, and deleting user-created songs.
How to select and play a single upper voice on the keyboard.
Explains layering two voices simultaneously using the Layer function.
Describes splitting the keyboard to play different voices with each hand.
How to set the split point and play voice demonstrations.
Explains setting the keyboard's touch response sensitivity for dynamic playing.
How to transpose the overall pitch of the instrument in semitones.
Adjusting instrument tuning and enabling pedal resonance effect.
How to use the metronome for practice, including time signature and sound.
How to select, start, and stop accompaniment styles.
Using fill-in patterns and adjusting accompaniment volume.
How to set tempo using buttons, TAP function, or direct input.
How to turn on/off and select types for Reverb and Chorus effects.
How to select different EQ types for frequency band adjustment.
How to play preset songs in cycles and select specific songs.
Using lesson modes to practice songs with muted melody parts.
Steps to prepare, start, and stop recording user performances.
How to play back recorded user songs from memory.
How to erase recorded user songs from the instrument's memory.
Turning the Duet feature on/off, selecting types, and setting the split point.
How to turn on and select desired harmony effect types.
Entering scale mode, selecting scale types, and setting the scale root.
An example demonstrating the selection of scale type and root note.
How to activate Twinova mode, select voices, set split point, and adjust octave.
How to toggle the prompt beep tone on or off.
Explains MIDI technology and the instrument's USB and MIDI OUT terminals.
Steps to enter the MIDI controller mode for advanced MIDI operations.
How to select controllers and edit command, data, and channel settings.
How to transmit MIDI information for controllers via MIDI OUT.
Instructions for resetting the instrument to its default factory state.
Solutions for issues like popping sounds, no sound, or computer connection problems.
Lists keyboard, polyphony, voices, styles, connectors, power, speakers, dimensions, and weight.
Explanation of tuning systems and their use in music composition.
Details on Pythagorean, Meantone, Werckmeister, Kirnberger, and Equal Temperament scales.
