Home › Forums › Products › Stompboxes › H90 – HotSwitch3 InstantFlanger Defect › Reply To: H90 – HotSwitch3 InstantFlanger Defect December 16, 2022 at 7:02 am #167758 bacoParticipant Eventide, the HotSwitch3 I used in the Instantflanger algorithm emits the sound of a whistle and locks the entire pedal, could you send an update to fix this please. Attachments:You must be logged in to view attached files.