Freezing results?

[gt]

Hello. I noticed that the same FET file generates different timetables every times. I believe it's quite normal.
Sometimes little adjustments are needed but then the new timetables are possibly very different from previous. I know I can lock every single activity but it takes time.
Is there a way to lock all activities in one shot and then unlock just the ones that need adjustments?
In other words I would like to modify just a few activities and then generate exactly the last timetable (except for the new modifications).
Thanks in advance

[Liviu Lalescu]

Hello!

You can lock/unlock more activities at once here:

- In timetable view days/time horizontal (multiple selection).
- Save data+timetable as.
- Advanced lock/unlock.

[Volker Dirr]

a second variant is using TiTiTo. see https://lalescu.ro/liviu/fet/forum/index.php?topic=4924.msg27375#msg27375