>This is some kind of character code that positions data onto
>a FRM file. Does any know how this works? I know you need
>to setup some kind of an offset for X and Y coordinates.

IMHO, this is a printer code send to printer, If you can remember in days of dos programming, we use to send printer codes through escape character+... to give effects like bold, italics etc.

27 is the ascii code for escape..