Hi Bazz, If I understand correctly what you wish to do, it's fairly easy
While you are playing, hit the 'Synchro' button to light the LED above it. Then when you wish to make a short 'Stop', hit the 'Start/Stop' button, the rhythm will stop and will auto start when you next play a chord with your left hand. You can therefore make the break as long or as short as you wish
I have been using this method for some time and it is very effective.

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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....)