How can I associate a loop slot with a preset?
You need to be using firmware version 2.0.01 build 326 for greater.
Press the looper menu button (soft button), go to the preset tab, select the loop slot you wish to associate with the preset and store it.
Please note, after saving this, you will need to move away from the preset, then move back so it can load it properly. If you go directly into the looper after assigning your slot, it will bring up the last loop slot that was accessed, which may not be the one you have assigned.