My friend has just published Riedel SimplyLive Production Suite Flex manual, and I’ve only just started reading it.

Honestly, it already looks impressive. If you want to properly learn and understand Riedel SimplyLive, this is definitely something worth checking out. It’s clear, detailed, and created by someone who really knows the system inside out.

https://www.universityoftelevision.com/post/riedel-simplylive-production-suite-flex-manual

This manual is available for free ;)