The xTrigMK2LCA register class is used for loading LCA instruction files into the MK2 Trigger VXI module.
Attributes :-
-s    VXI slot number
-o    offset
-i    initial value
The WRITE operation supplies the path name of a file containing LCA instructions to be loaded into the Trigger
module.
The READ operation returns the path name of the file last loaded into the Trigger module.