Hammond Skx PRO Reference Manual page 636

MIDI
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2. Press the PAGE " " button two times. The word "SOUND" should be highlighted.
3. Press the DIRECTION " " button once. The Information Center Display should now look like this:
4. Press the ENTER button. The Information Center Display should now look like this:
5. Press the PAGE " " button once. The Information Center Display should now look like this:
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SKX PRO Reference Guide