Home › Forums › Products › Stompboxes › h9: AUX sw – program change question › Reply To: h9: AUX sw – program change question March 9, 2022 at 9:58 am #162739 joecozziModeratorEventide Staff You could be experiencing erratic behavior if the H9-2 & H9-3 aux switch settings under PEDAL > General Settings > Expression Jack is not set to “Aux Switch.” Also, if you have any mappings in PEDAL > Aux Switch Mappings that could be interfering.
