Traditional amp channel foot switches are typically latching type (press on, press off).
Single and Dual Switches of Other Brands
The PROFILER requires so-called “momentary” and “normally open” switches. Channel switches for tube amplifiers are not compatible with the PROFILER, as they use a latching mechanism that would only trigger their assigned switching function every other hit. Single switches are connected via a TS cable, and dual switches via a TRS cable.
Select “Mono Switch” or “Dual Switch” Mode on the corresponding "Pedal” page in Pedal Settings of PROFILER Stage or System Settings of all other PROFILER variants and assign a switching function with the soft knob labeled “Switch Tip”. If “Dual Switch” is selected, another switching function can be assigned with soft knob labeled “Switch Ring”. If your external switch allows to change its polarity (e.g. Boss® FS-5 and FS-6), set it to normally open. The switching function should be triggered as soon as you hit the button. Wrong polarity implies, that the switching function gets triggered, when you release the button. Especially if you intend to control Looper Start and Looper Stop
with the external switch, wrong polarity can lead to odd results as both hitting and releasing the buttons have their meaning. Don’t forget to press “Calibrate” and trigger each switch once.
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You can find a tutorial video focused on technical conditions, and all other aspects of connecting expression pedals and switches to PROFILER or Remote at: http://www.kemper-amps.com/video