PreSonus support is open from Monday through Friday from 9am to 5pm Central Standard Time. (CST) is six hours behind Coordinated Universal Time (UTC). Most responses are within 24 to 72 business hours of the original inquiry. According to our records, you submitted your inquiry July 8, 2017, 12:27 am (GMT -5). As this was submitted on Saturday, you can expect to a response from us in the next couple of days.