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 en-
ter the Piano song mode, after 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 ad-
just 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 key-
board 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. C HORUS 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. B ANK button/LEDs: This button is used to select the
desired sound bank. The LED for the bank that's cur-
rently selected will light up.
12. S ound 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).
13. D isplay: Shows settings, for example, for the Function
mode and the metronome.
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Parts and their function
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Rear panel
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14. U P/DOWN buttons: These buttons are used to select a
value for the various settings.
15. M ETRONOME button/LED: This button is used to
start/stop the metronome. While the metronome is be-
ing used, the LED lights up. In addition, hold down the
button to enter the Metronome settings mode, where
various metronome settings can be specified.
16. Music stand holes: Holes for installing the included
music stand.
17. MIDI (IN, OUT)connectors: Connectors that are used
to connect other MIDI devices (sequencer, keyboards,
etc.).
OUT: Data output (to be connected to the MIDI IN con-
nector of another MIDI device).
IN: Data input (to be connected to the MIDI OUT con-
nector of another MIDI device).
18. PEDAL jack: This jack is used to connect the included
damper pedal.
19. LINE OUT (L/MONO, R) jacks: These are the main
audio output jacks. These jacks are where an external
amplifying system would be connected to amplify the
sound from the SP-280. (With a hi-fi system use the
AUX or LINE IN connectors). To amplify the SP-280 in
mono, connect the single L/MONO jack. Use the VOL-
UME knob to set the output volume.
20. LINE IN jack: This is a stereo mini jack for audio in-
put. This jack is used to connect the audio output (AUX
Out) of a sound system or other electronic musical in-
strument. Adjust the input volume with the connected
device.
21. Headphone (PHONES) jack: The stereo mini plug of
headphones can be inserted. The same sound from the
headphone jack on the front of the SP-280 will be pro-
duced. When the headphone plug is inserted, no sound
will be produced from the speakers.
22. DC 19V jack: Connect the included AC adapter here.
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