"tlarwa" wrote:

There is a ring on the side of the shifter that allows you to set the
shifter to friction or SIS, depending on how the ring is postioned.

It's in SIS. In friction mode, there are no clicks at all, of course.

"Ted Bennett" wrote
After removal and reinstallation[1], the shifters seem to have lost
their clicks in the middle three or four gears.

--
Ted Bennett