Unfortunately, it is nearly impossible to make small incremental adjustments in intensity... without the precision of a cardio machine. (visualimpactfitness.com)
No more soft buttons for things with incremental adjustments, i.e. radio tuning and temperature controls, it takes too long! (autoweek.com)
They tend to grab a little too suddenly, making smooth, incremental adjustments overly tricky. (motoring.com.au)