EWI4000S - Playing out of tune

There are factors that can cause an Akai EWI4000S to play out of tune. In this article, we'll cover some easy steps you can make to sure your EWI4000 will play in perfect tune.
 

  • Make sure the TRANS LED is not lit. If it is lit, then you are transposing the horn out of the key of C (concert pitch).
  • You may unknowingly be touching one of the bend sensors with your right hand thumb.
  • The global fine tuning parameter (parameter Tu) may not be set to 40 (A=440).
    1. Press and hold the SETUP button
    2. Use the HOLD and OCTAVE buttons to navigate through Setup mode until Tu is shown on the display.
    3. Release the SETUP button. The LED above the SETUP button will blink to indicate SETUP mode. If the display does not show 40, then your EWI is not tuned to A=440.
    4. Use the HOLD and OCTAVE buttons to adjust the tuning. Tuning can be adjusted to as low as A=416 or as high as A=465.
    5. Press the SETUP button to exit Setup mode.
  • The Pitch Bend Sensor may not be calibrated properly.
    1. Press and hold the SETUP button
    2. Use the HOLD and OCTAVE buttons to navigate thru Setup mode until Ad is shown on the display.
    3. Release the SETUP button. The LED above the SETUP button will light up to indicate SETUP mode. If you see any segments in the above display showing above the TRANS button, then you are not calibrated.
    4. Remove the black plastic cover (located below the mouthpiece) to reveal adjustment knobs.
    5. Slowly rotate the Pitch Bend Adjustment (PB A) knob until the lighted segments showing above the TRANS button have disappeared.
    6. Press the SETUP button to exit Setup mode. Your EWI is now properly calibrated and should be playing in tune.

 

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