Are you sure? When I have it in the 'up' position, AFT launches two flares( one from each container) and FWD launches one chaff. Just as described above.
With the switch in the middle, AFT will launch the selected program. In the example on the picture above, that would be PGM 5. FWD will pr default launch PGM 5 and the canopy button will launch PGM 6.