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Looper Function
To operate the looper for the Sanpera® Pro, simply press the REC/PLAY switch and begin playing. To end record-
ing simply press REC/PLAY again. The recorded loop will automatically start playing once recording has ended.
You can wait as long as you
want to remove the last overdub - as long as the looper is still playing and you have not started a new overdub.
Pressing (and releasing) STOP stops the transport whether it is playing, recording or overdubbing. Once you
stop the transport, the most recent overdub becomes permanent - you can no longer undo it. If an overdub
exceeds the loop length you can only undo the last "loop length" seconds when you undo after punching out.
If you record multiple overdubs within a single loop time, as each new one begins the previous one becomes
permanent.
At the moment, pressing and releasing both looper buttons requests undo of the last overdub. Because of this
REC/PLAY and STOP work on release instead of press. However, if we come up with some other way to undo
the last layer (such as pressing the TAP switch) we can go back to activating REC/PLAY and STOP on press
instead of release. The only drawback I see to using TAP to undo is that you can't use TAP to actually change the
tempo as long as you have overdubbed but not stopped or requested undo.
Let me know your thoughts on whether we should leave control the way it is or go for using TAP or some oth-
er switch. If we leave it the way it is, we probably don't need to take over the footcontroller display telling how
to undo. If we switch to TAP we should probably take over the display to tell when the use can undo. If we do
that, we may want to take over as long as the looper is active (telling what switch to press next as the looper goes
through the various states).
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