Its a simple question

[Eshark]

ok asigned keys for mixture,oil radiator.But when I try to use them nothing happens.I have set up radiator and that worksprop pitch doesnot seem to work can't set it up to work in increments,same as radiator its either on full or shut.Is this how they work,there seems to be no fine adjustment.#
My axis are fine and trim axis is fine do not understand it at all