Control panel
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1. Headphone ( ) jack [front of SP-280]: The stereo mini plug of headphones can be
inserted into this jack. The same sound from the headphone jack on the back of the
SP-280 will be produced. When the headphone plug is inserted, no sound will be
produced from the speakers.
2. Power button: This button turns the SP-280 on or off.
3. VOLUME Knob: Adjusts the volume for the speakers, the Output and the Phones
connectors.
4. PIANO SONG button/LED: This button is used to enter the Piano song mode, af-
ter which the LED lights up. Simultaneously pressing this button and the TRANS-
POSE button enters the Sound demo song mode.
5. TRANSPOSE button/LED: This button is used to adjust transposition. While
transposing, the LED lights up. Simultaneously pressing this button and the PIA-
NO SONG button enters the Sound demo song mode.
6. FUNCTION button/LED: This button is used to enter the Function mode, where
pitch, temperament and other settings can be specified. Hold down the button to
enter the MIDI function mode, where MIDI settings can be specified. The LED
lights up when the SP-280 enters the Function mode and blinks when it enters the
MIDI function mode.
7. TOUCH button: This button lets you select the keyboard sensitivity.
8. BRILLIANCE button: This button is used to adjust the brightness of the tone.
9. REVERB button/LED: This button is used to turn on/off the reverb, which adds
ambience to the sound. When turned on, the LED lights up.
10. CHORUS button/LED: This button is used to turn on/off the chorus, which adds
richness to the sound. When turned on, the LED lights up.
11. BANK button/LEDs: This button is used to select the desired sound bank. The
LED for the bank that's currently selected will light up.
12. Sound buttons: This button is used to select from 30 sounds (10 × 3 banks). Two
buttons can be pressed to play two sounds simultaneously (Layer mode).
Parts and their function
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