I only did a short stint at Lindholme for my Area Radar endorsement. As far as I recall, our watch manned the RSA most of the day, rather than close down when there was no traffic, as if (for instance) Border were closed, Newcastle would chuck the aircraft over without prior notification! I had one session where 3 called out of Newcastle within 5 minutes and had to sort out joining levels at POL for them. My mentor at the time took extended fag breaks and left me alone most of the time.