Go into the Sequencer edit routine and choose step record. The tempo is set right at the start of the sequence. You may have to use cursor forward/back to show the Tempo setting. When you see it displayed, just change the value and then save the modified sequence, either on top of the existing one, or under a new name. That should do it....

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Willum
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Willum

After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)