h    toggle histogram preview

    e    toggle show object details (ephemerides & focal length)

    f    toggle focus help

    c    toggle crosshair display

    r    select red filter-channel

    g    select green filter-channel

    b    select blue filter-channel

    i    select IR filter-channel

    l    select L filter-channel

    1, 2, 3, 5, 8    toggle BOOST value

    Enter   start capture

    Esc      stop capture

    Page up / Page down    zoom / unzoom preview window

    Arrow keys (up / down)    increase / decrease Gain

    Arrow keys (left / right)    decrease / increase Exposure

    CTRL + Arrow keys    move quality box