Asked about this in the translation thread, but open for wider discussion assuming the translation is correct.
Is he just saying the time machine is fixed, so can now time travel again without being locked into Trunks timeline at the locked in time differential and a fading connection.
Or is he saying they can freely travel now to pre-existing timelines.
There's sort of precedent for the latter as Zamas threatens to chase the Dragon Team back to the present with his time machine he stole from the kaioshin who confiscated it from the U12 guy. It's not presented as an empty threat or countered by the characters.
If he means they can travel to other timelines, presumably they need to travel to the same year as those timelines present right? Would they need to visit the present Age 796 of Cell and U12 guys timelines, 795 of the Double Trunks timeline, and 780 of the present and unseen timelines to not cause a paradox and split the timeline?
https://imgur.com/a/Blj9kfR