On PS5 using a BT keyboard the alternate tap level control is advanced with CTRL-r key combo, but while traction is controlled by R and F keys, CTRL-F does not reduce the tap level using the alternate control. Why this matters: on track posted, say, 95 kph, the speed selector can be used to reach 90 kph, but then by adjusting control settings, CTRL-r can be used to run at or near 95. The problem is that is, say, an up gradient becomes closer to level, or worse, a down gradient, only the PS controller can be used to reverse those earlier inputs accomplished with CTRL-r as there is no key mapping of that down toggle. As someone physically handicapped, that control is difficult to reach in both a timely and aborecise manner. This can spoil running one of our most challenging locomotives. The best example might be the one timetable service for BR 112 on the Ludwigsbahn, especially the second half of that run.
