Calculates the H, K, and L for given angle values.
Usage: Instrument Action Orient HKL [A2] [A3] [A4] [A6] [SGL] [SGU]
[A2] is the angle value of A2.
[A3] is the angle value of A3.
[A4] is the angle value of A4.
[A6] is the angle value of A6.
[SGL] is the sample lower tilt value of SGL.
[SGU] is the sample upper tilt value of SGU.