From the main SERVICE menu, place the light bar
over the vehicle that you want to set up or change
a service category for, then press 'enter'.  Then
select the service category, or choose the first
unused field to set up a new category.  Press enter
to get to the data entry screen.  Fill in each field
pressing enter for each field.  You may move between
the fields with the up/down arrow keys, or press
'escape' to return to the service category menu.
you may delete a service category by pressing F7
from the data entry screen.
