Limit aspect ratio not lockable

When I set the Limit aspect ratio for one picture, I can lock it by clicking the lock icon or press a while in 'R-Mode'.

But I cannot set it as before to 'for all locked'. It is always after import in unlock Mode.

I not even can sync it. When I set one picture to locked, than select a second picture and use the sync function, than both pics are unlocked after this action.

Also I cannot save it into a preset.

I need this 'always locked' ratio after import!