AP-550/AP-S450 USER’S GUIDE

Electronic Musical Instruments

EN

AP-550/AP-S450

Safety Precautions

Overview of the Digital Piano
- Part Names and Functions
Preparation Before Playing
- Preparing a Power Supply
- Keyboard Cover
  - Opening the Keyboard Cover
  - Closing the Keyboard Cover
- Turning the Power On/Off
  - Turning the Power On
  - Turning the Power Off
- Adjusting the Volume
- Using the Supplied Wireless MIDI & Audio Adaptor
- Using Headphones
- Using the Music Stand
- The Top Panel of the Digital Piano (AP-550 only)
  - Opening the Top Panel of the Digital Piano
  - Closing the Top Panel of the Digital Piano
Read This First (Basic Operations and Settings)
- Notation in this Manual
- Touch Button Operation
  - Operation of the Touch Buttons Alone
  - Touch Button and Keyboard Combination Operation
- Notification Tones
  - Notification Tone Types
- How the Visual Information Bar Displays for Various Settings
Listening to the Demo Songs
- Playing the Demo Songs
  - Operations Possible during Demo Song Playback
- Ending Demo Songs
Playing
- Selecting a Tone
- Splitting the Keyboard into Left and Right for Two-Person Performance (Duet)
- Using the Pedals
Using the Metronome
- Metronome On/Off
- Setting the Beat
- Setting a Tempo
- Adjusting the Volume
Applying Effects to Sound
- Using Sound Mode Effects (Hall Simulator/Reverb and Surround)
- Using Chorus
- Adjusting Brilliance
- Adjusting the Sound Characteristics of the Acoustic Piano Presets (Acoustic Simulator)
Adjusting Key Touch
- Changing the Volume Made by the Strength of Pressure Placed on a Key (Touch Response)
  - Changing the Sensitivity of Touch Response
- Adjusting the Timing of Key Press to Sound (Hammer Response)
  - Adjusting Hammer Response
- Adjusting the Timing of Mute During Key Release (Key Off Response)
  - Adjusting Key Off Response
Adjusting the Pitch of Sound
- Changing the Pitch in Semitone Steps (Transpose)
  - Transpose
- Fine-tuning (A-tuning)
  - Tuning
- Shifting by Octaves (Octave Shift)
  - Shifting Upper1 Part by an Octave
  - Shifting Upper2 Part by an Octave
- Changing the Scale Tuning (Temperament) of the Keyboard
Listening to Songs
- Types of Data that Can Be Played Back
- Playing MIDI Data
- Playing Audio Data (WAV, MP3)
Recording a Performance
- MIDI Recorder and Audio Recorder Features
  - Recording Features
  - Playback Features
- Recording a Performance with the MIDI Recorder
- Recording a Performance with the Audio Recorder
Listening back to a Performance Immediately (Instant RePlayer)
- Instant RePlayer
- Instant RePlayer Features
- Preparing to Use the Instant RePlayer
- Simple Usage
- Listen Back Using Marks
- Listen Back Using Specified Number of Seconds
Using a USB Flash Drive
- Using a Commercially Available USB Flash Drive – What You Can Do
- Preparing a USB Flash Drive
  - Supported USB Flash Drives
  - Types of Data that Can be Handled by this Digital Piano
- Inserting/Removing a USB Flash Drive from the Digital Piano
- Formatting a USB Flash Drive
- Operations with a USB Flash Drive
- Copying MIDI Song Data to a USB Flash Drive Using a Computer
- Copying Audio Data (WAV, MP3) to a USB Flash Drive Using a Computer
Connecting Wirelessly
- Connecting the Digital Piano to External Devices Wirelessly
- Wireless (Bluetooth) Connectivity Settings
  - Wireless Function On/Off
  - Adjusting the Notification Tone Volume for Wireless Connection/Disconnection
- Bluetooth Low Energy MIDI Connectivity
- Bluetooth Audio Connectivity
Using the Dedicated App
- Downloading the App (CASIO MUSIC SPACE) for Smart Devices
Using with an External Device with a Cable Connection
- Connecting to a Computer or Smart Device and Using MIDI
- Outputting the Digital Piano’s Sound to an Amplifier or Audio Equipment
  - Connecting to Audio Equipment
  - Connecting to a Musical Instrument Amplifier
Changing Settings
- Changing the Upper1 Part Settings
  - Adjusting the Upper1 Part Volume
- Changing the Upper2 Part Settings
- Changing the Lower Part Settings
- Saving the Digital Piano Settings (Auto Resume)
- Restore Factory Defaults (Factory Reset)
- Adjusting Volume Balance
- Center Cancel Function
- Changing MIDI Settings
- Setting the Display of the Visual Information Bar
  - Changing Display Settings
  - Brightness Setting and No Lighting
- Main Digital Piano Settings
Troubleshooting
- Troubleshooting
- Error Display List
Other Information
- Product Specifications
- Latest Support Information
- About the Contents of this Manual
- Trademarks and Registered Trademarks
- Operating Precautions
Various Lists
- Tone list
- Demo Song List
- Music Library List
- Keyboard Function List
- MIDI Implementation Chart

AP550/APS450-E-2C

Published: 8/2025

MA2508-C