Hi Adrian, From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Sent: Sunday, 19 September 2021 13:07 > It's a heartbeat function as explained here [1]. Cool feature, thanks for letting me know :) Regards, Carlos Carlos Milán Figueredo | HispaMSX System Operator | http://www.hispamsx.org | telnet://bbs.hispamsx.org | https://calnus.com