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Casio CT-X870IN - User Manual

Casio CT-X870IN
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EN
CTX870IN-E-1A
USER’S GUIDE
Safety Precautions
Before trying to use the Digital Keyboard, be sure to read the separate “Safety Precautions”.
Please keep all information for future reference.
CT
-
X870IN
About Music Score data
You can use a computer to download music score data from the CASIO Website. For more information, visit the
URL below.
http://world.casio.com/
MA1712-A Printed in China
C
CTX870IN-E-1A.indd 1 2017/12/18 15:24:54

Table of Contents

Questions and Answers

  • T
    Taylor PhelpsAug 19, 2025
    What to do if the Casio CT-X870IN power will not turn on?
    • K
      Kevin MooreSep 12, 2025
      If your Casio Keyboard isn't powering on, try these steps: * Check the AC adapter or ensure the batteries are correctly installed. * Replace the batteries with new ones, or switch to AC adapter power.
  • W
    wallacejeromeAug 21, 2025
    What to do if I can’t exchange data between my Casio CT-X870IN and a computer?
    • R
      reedjenniferAug 21, 2025
      If you can’t exchange data between your Casio Keyboard and a computer: * Check that the USB cable is connected to both the keyboard and the computer, and that the device is correctly selected in your computer’s music software settings. * Turn off the keyboard, exit the music software, then turn the keyboard back on and restart the software.
  • M
    melissasosaAug 23, 2025
    What to do if nothing happens when I press any key on my Casio CT-X870IN Keyboard?
    • O
      origgsAug 23, 2025
      If pressing keys on your Casio Keyboard produces no sound, try the following: * Adjust the volume setting. * Check for anything plugged into the back of the keyboard. * Turn the power off, then back on, to initialize all keyboard settings.
  • T
    Tony GarciaAug 26, 2025
    What to do if the display lights up momentarily but power does not turn on when I press the power button on my Casio CT-X870IN?
    • A
      Allison RomanAug 26, 2025
      If the display lights up momentarily but the power doesn't turn on when you press the power button on your Casio Keyboard, press the power button firmly and completely to turn it on.
  • D
    David RomeroAug 28, 2025
    What to do if the metronome does not sound on my Casio Keyboard?
    • S
      Susan HammondAug 28, 2025
      If the metronome on your Casio Keyboard doesn't sound: * Check and adjust the metronome volume setting. * Turn the power off and then back on to initialize all Digital Keyboard settings.
  • T
    Terry Horton VAug 30, 2025
    Why does my Casio CT-X870IN Keyboard suddenly power down after 30 minutes?
    • M
      michealgalvanAug 30, 2025
      Your Casio Keyboard may be powering down after about 30 minutes because the Auto Power Off feature is activated.
  • M
    michaelwilliamsSep 1, 2025
    What to do if the display of Casio CT-X870IN Keyboard keeps going out or is flashing?
    • S
      shelleyharrisSep 1, 2025
      If the display on your Casio Keyboard keeps going out or is flashing, replace the batteries with new ones or switch over to AC adapter power.
  • C
    cainbarrySep 3, 2025
    What to do if my Casio CT-X870IN outputs a loud sound and then suddenly powers down?
    • R
      riosgregorySep 3, 2025
      If your Casio Keyboard outputs a loud sound and then suddenly powers down, replace the batteries with new ones or switch over to AC adapter power.
  • N
    Nicholas DunnSep 5, 2025
    What to do if nothing happens when I start an Auto Accompaniment on my Casio Keyboard?
    • S
      susandavidsonSep 5, 2025
      If nothing happens when you start Auto Accompaniment on your Casio Keyboard: * For rhythms 186 to 195, you need to play a chord on the keyboard. * Check and adjust the accompaniment volume setting. * Auto Accompaniment won't start for rhythms 196-205 if there's no user rhythm stored in memory. * Try turning the power off and then back on to initialize the keyboard settings.
  • B
    bauerthomasSep 7, 2025
    What to do if nothing happens when I start playback of a built-in song on my Casio Keyboard?
    • J
      Julie RoseSep 7, 2025
      If nothing happens when you start playback of a built-in song on your Casio Keyboard: * Allow a moment for the song to start playing after pressing the button. * Check and adjust the song volume. * Song playback won't start for songs 161-176 if there's no user song stored in memory. * Turn the power off and then back on to initialize all Digital Keyboard settings.

Summary

Safety Precautions

About Music Score Data

Declaration of Conformity

Connecting External Devices

Computer Connectivity and MIDI Settings

Connect keyboard to computer for MIDI exchange and configure settings.

Reference

Troubleshooting and Error Indicators

Solutions for common issues, error messages, and their causes.

Specifications and Operating Precautions

Details on keyboard features, requirements, and safe usage.

Appendix

Song, Drum, Fingering, and Chord Lists

Reference lists for songs, drum kits, fingerings, and chords.

MIDI Implementation Chart

General Guide

Control Panel Overview and Display Information

Explanation of buttons, knobs, display indicators, and input methods.

Key Navigation, Categories, and Factory Defaults

Using keys for navigation, category selection, and resetting settings.

Getting Ready to Play

Music Stand and Power Supply

Setting up the music stand and connecting power via adaptor or batteries.

Playing the Digital Keyboard

Power On, Playback, and Headphones

Steps to start playing, adjust volume, and use headphones.

Auto Power Off Functionality

Explanation of automatic power-off and how to disable it.

Touch Response and Display Contrast

Adjusting key sensitivity and display brightness.

Metronome and Tempo Settings

Configuring metronome beats and adjusting tempo.

Controlling the Keyboard Sounds

Tone Selection, Piano;Organ Modes, Layering;Splitting

Choosing tones, switching modes, and combining/dividing sounds.

Layering Two Tones Simultaneously

Instructions for combining two different tones.

Splitting Keyboard and Adjusting Split Point

Assigning different tones to keyboard ranges and adjusting the split point.

Reverb and Chorus Effects

Applying echo, spatial, and depth effects to the sound.

Equalizer and Pedal Unit Usage

Adjusting sound quality with equalizer and using a pedal unit.

Changing Pitch (Transpose, Tuning, Octave Shift)

Adjusts pitch using semitone steps, fine tuning, and octave shifts.

Pitch Bend Wheel Usage

Shifting pitch smoothly using the pitch bend wheel.

Playing Built-in Songs

Playing Demo Songs

Listening to pre-programmed demonstration songs.

Playing Specific Songs and Playback Control

Selecting songs, pausing, skipping, and controlling playback.

Repeating Specific Measures for Practice

Repeating sections of a song for focused practice.

Adjusting Playback Speed, Volume, and Tone Sync

Changing tempo, balancing volumes, and syncing tone with songs.

Increasing Song Selection via USB

Loading external song data to expand the song library.

Playing Back Data from a USB Flash Drive

Using Built-in Songs to Master Keyboard Play

Practice Modes Overview and Selection

Introduction to Easy Mode, Step Lesson, and No Guidance Play.

Selecting Songs and Parts for Practice

Choosing songs and specific hands for practice sessions.

Step Lessons 1 & 2: Listening and Guided Play

Familiarize with songs by listening and follow guidance to play.

Step Lessons 3 & Playing Without Guidance

Play songs recalling learned notes or without any guidance.

Dividing Songs into Phrases for Practice

Splitting songs into short phrases for focused practice.

Lesson Settings: Turning Off Guides

Disabling Voice Fingering Guide and Next Note Guide.

Performance Evaluation and Phrase Length Settings

Turning off scoring and changing practice phrase lengths.

Simplifying Accompaniment for Lessons

Making accompaniment easier to hear during lessons.

Using Auto Accompaniment

Rhythm Part Only and Full Accompaniment

Playing basic rhythms and adding chords for accompaniment.

Chord Input Modes

Selecting how chords are interpreted for accompaniment.

CASIO CHORD Fingerings

Using simplified fingerings for major, minor, and seventh chords.

FINGERED Chord Methods and Pattern Variations

Using FINGERED methods and playing intro/ending/fill-in patterns.

Auto Accompaniment Intros, Fill-ins, and Endings

Playing introductory, transitional, and concluding phrases.

Synchro Start;Stop and One-Touch Presets

Starting/stopping accompaniment with keys and using preset configurations.

Rhythm Management (Increasing;Deleting)

Transferring and removing rhythm data from memory.

Using Music Preset

Using Auto Harmonize

Auto Harmonize Function and Types

Adding harmony to melodies and selecting harmony types.

Using the Arpeggiator

Arpeggiator Functionality and Types

Playing automatic arpeggio patterns and selecting pattern types.

Sustaining Arpeggios (Hold)

Keeping arpeggio patterns playing after releasing keys.

Looking Up Chords (Chord Book)

Specifying Chord Details and Sounding with Accompaniment

Selecting chord root/type and playing accompaniment.

Saving Keyboard Setups to Registration Memory

Saving and Recalling Registration Memory Setups

Storing and recalling custom keyboard settings into memory banks.

Disabling Overwrite of Specific Settings (Freeze)

Preventing specific settings from being overwritten during recall.

Recording Your Keyboard Play

Recording and Playing Back Keyboard Performance

Recording own performances and playing them back.

Overdubbing Recorded Tracks

Adding multiple layers of recorded keyboard performance.

Recording to Multiple Tracks and Muting Tracks

Recording onto different tracks and silencing tracks.

Changing Recording Track;Song and Recording with Lessons

Modifying recording settings and recording during lessons.

Deleting Recorded Songs and Tracks

Removing unwanted songs or specific tracks from memory.

Saving Recorded Data to External Device

Transferring recorded data to a computer for storage.

FUNCTION Button (23) Functions

Selecting Functions and Pitch Settings

Navigating functions and adjusting pitch (transpose, octave).

Tempo, Metronome, Reverb, Chorus, and Lesson Settings

Configuring tempo, metronome, reverb, chorus, and lesson guides.

Performance Evaluation, Phrase Length, and Scale Settings

Adjusting performance scoring, phrase length, and keyboard scale.

Scale for Accompaniments and On-screen Keyboard Display

Applying scale to accompaniments and changing on-screen keyboard appearance.

Deleting All Data in Digital Keyboard Memory

USB Flash Drive Operations

USB Drive Overview and Precautions

Supported functions and important handling guidelines for USB drives.

Connecting, Detaching, and Formatting USB Drives

Procedure for inserting, removing, and formatting USB drives.

Loading and Saving Data to;from USB Flash Drive

Transferring data between keyboard memory and a USB drive.

Renaming and Deleting Data on USB Flash Drive

Changing file names and removing files from a USB drive.

Connecting External Devices

Computer Connectivity Requirements

Connecting to computer and minimum system requirements.

Connecting Keyboard to Computer and MIDI Settings

Detailed steps for computer connection and MIDI configuration.

Local Control, Accomp Out, and Memory Data Transfer

Settings for external control, data transfer, and supported types.

Audio Equipment and External Device Input

Connecting to audio gear and inputting external device sound.

Center Cancel (Vocal Cut) Function

Muting or minimizing vocals from an external audio input.

Reference (Continued)

Troubleshooting Sound, Playback, and Display Issues

Solutions for problems related to sound, playback, and screen display.

Troubleshooting Notes, Operation, and Computer Connection Issues

Resolving issues with notes, operations, and PC data exchange.

Error Indicators and Causes

Explanation of error messages and their corresponding causes.

Inputs;Outputs, Power, and Dimensions

Details on ports, power supply, speakers, and physical size.

Location, Maintenance, and Accessories

Guidelines on product placement, cleaning, and accessory usage.

Musical Instrument Etiquette

Advice on considerate playing practices and volume levels.

Appendix (Continued)

Song List (Categorized)

Categorized list of all built-in songs for practice and enjoyment.

Drum Assignment List (Standard Sets)

Mapping of keys to drum sounds across standard drum kits.

Fingering Guide (Fingered Chords)

Visual guide for playing chords using FINGERED modes.

Chord Example List

Examples of chord voicings for various roots and types.

Casio CT-X870IN Specifications

General IconGeneral
Number of Keys61
Touch Response3 sensitivity levels, off
Maximum Polyphony64
Tones600
MetronomeYes
SamplingYes
Auto AccompanimentYes
Lesson FunctionYes
Music PresetYes
One Touch PresetYes
Amp Output6W + 6W
DisplayLCD
Weight4.5 kg
EffectsReverb, Chorus, DSP
RecorderYes
Speakers2
Power SupplyAC adapter or 6 AA batteries
TerminalsUSB
Included AccessoriesAC adapter, music rest

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