Originally Posted by 1drummer:
conventional running?
is that like dcs running multiple trains like prototypical operation or is that running in circle on independent tracks?
More to the point, it refers to simple transformer-controlled operation, OR:
use of DCS's variable-voltage mode, where the control box (TIU) is used like a remote-controlled transformer handle (still needs an external transformer to power it) operated from the DCS remote.
In both instances you're subject to the limitations and work-arounds inherent in standard transformer operation.
DCS upgrades are a bit more involved than plug-and-play. Basically, everything is removed except for the motors, and the new circuit board replaces the original reverse unit. The complex part comes in where the new board also controls headlights, couplers, smoke unit (if so equipped), interior lights, etc. And if you're upgrading a steam loco, there may also be the necessity of taking a Dremel to the body shell to make room to mount a tether socket to the loco.
So, the upgrade can be accomplished by an end user with reasonable skills in electronics work (i.e. somewhat less than you described )--the downside is that there's no warranty on the board unless installed by a MTH-authorized tech (as they are trained and certified by MTH at their HQ)
---PCJ