Mat,
Sorry about the belated reply, I'm having internet problems.
This ought to be a once only procedure. However, if you shut down MT4 for quite a while (a few days, months ), then it will probably take a few minutes, when you next restart it, to'ch upward' whereas the RS indior collects the data which happened during the timeout. The longer currencies and timeframes that the indior is plotting, the more the procedure. Then it might be better to exit/restart MT4 and perform the cycling process Should you find it taking hours rather than minutes.
The...