You will find the latest LONDINIUM R manual, v1.4, in the permanent file here; https://londiniumespresso.com/forum/permanent-file/509-pdf-owners-manuals#14100
We are in the process of having the paper copies of the user manual updated to v1.4 too, so if you are about to receive your LR please download a copy of v1.4 as there are significant changes over the previous version of this document