RE: what the heck is this?
Three manufactureres come to mind. K40, Rocky mountain radar (make mostly Jammers) and Beltronics. The different chirps are the different radar or laser bands it encounters. Most likelyl the switch is for sensitivity and or mutingl. If it is a rotary know, then that would be volume. All brands that have this type of system usually represents the best they have. Hope it helps.
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