Usage: R[Type][N].
Usage: R[Type][N]-[M].
Usage: [Repeat](R[Type][N]; R[Type][N]; ...).
[Type] is a buffer type that can take one of the following values: Q (constant Q), I (Increment), B (Bragg).
[N] is a number given to a buffer of interest. Alternatively, the user can use from and to numbers to specify a range of buffers to be run.
[Repeat] specifies how many times a given number of buffers will be executed. For example, 3(RI1-3; RI5) will repeat execution of increment buffers 1, 2, 3 and 5 three times.