hi..........if you got a computer and go to-- dolphin mobility product reference library,,,,and scroll down to minivator stairlifts you will see the 1000 series and print of a installation manual which tells you how to set the dip switches for direction and speed also while your there print of a parts manual for the part number for 7/display unit....then put in stairlift spares on your computer........hope some of this will help you
IAN.......PORTSMOUTH
April 2011