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  • Top
  • Before you play
    • Connecting
      • Rear panel
        • Bottom side
        • Opening/closing the keyboard cover
          • Turning the power on/off
            • Making the power automatically turn off after a time (Auto-Off)
            • Basic operations of the KF-20/KF-25
            • Performing
              • Practicing with the metronome
                • Setting the tempo by pressing the key at the desired timing (tap tempo)
                  • Using a standard tempo
                    • Increasing/decreasing the tempo
                      • Changing the time signature
                        • Switching the strong first beat (downbeat) on/off
                          • Changing the volume (metronome volume)
                          • Listening to songs
                            • Listening to internal songs, songs on a USB flash drive, or recorded songs
                              • Playing back or stopping a song
                                • Selecting a song
                                  • Changing the order of songs (Play All Mode)
                                    • Adjusting the song volume (song volume)
                                      • Using the optimum settings for playing along with a song (SMF Play Mode)
                                      • Playing back songs from your mobile device via Bluetooth® (Bluetooth Audio)
                                        • Initializing the settings (pairing)
                                          • Connecting an already-paired mobile device
                                            • Playing back music data
                                              • Adjusting the volume of USB/Bluetooth audio (USB/Bluetooth audio volume)
                                              • Playing songs by connecting a mobile device or computer via USB cable
                                                • Playing back music data
                                              • Recording what you play
                                                • Getting ready to record
                                                  • Starting/stopping recording
                                                    • Listening to the recording of what you played
                                                      • Redoing a recording
                                                        • Exporting your performance to a USB flash drive
                                                        • Changing the sound and keyboard settings
                                                          • Adjusting the sound ambience (ambience)
                                                            • Making the ambience sound natural when using headphones (headphone ambience)
                                                              • Adjusting the brightness of the sound (brilliance)
                                                                • Changing the key touch (key touch)
                                                                  • Transposing the key (transpose)
                                                                    • Match the tuning to another instrument (master tuning)
                                                                    • Useful functions
                                                                      • Notification sounds
                                                                        • Switching Bluetooth on/off
                                                                          • Saving the settings (memory backup)
                                                                            • Settings that are saved in the memory backup
                                                                              • Settings that are saved automatically
                                                                              • Returning to the factory settings (factory reset)
                                                                              • Using the piano with an app (Bluetooth MIDI)
                                                                                • App information
                                                                                  • Pairing
                                                                                    • If you can’t connect
                                                                                    • List of operations (button and keyboard combinations)
                                                                                      • Settings you can make with the [Play/Stop] button and the keyboard
                                                                                        • Settings you can make with the [Metronome] button and the keyboard
                                                                                        • Caring for and maintaining this product
                                                                                          • Troubleshooting
                                                                                            • Internal song list
                                                                                              • Main specifications
                                                                                                • Intellectual property right