Firmware fix has been provided and working. Unfortunately, you won't be able to have automated setting AND the momentary switch at the same time. I thought it might be good to have is auto-change based on airspeed, but then use the momentary switch as an 'override' button (i.e. switch it back to climb). Doesn't work that way. The momentary switch will be the only way to change modes with the exception of the "vario priority" signal. The vario priority signeal will overrride the current setting and always change the mode to "vario".