Which Groupset?

Nah, as hippy says that's the more traditional style, like he says, set limits, L can be done without the cable attached to make sure tension isn't affecting it, or just be careful, H should be with too much tension if anything, or pull on the cable if it's not internally routed, then set tension so that the trim gives you a bit of movement in both directions, newer old style ones need a fair amount of tension.