Configurations***: | Triaxial | Biaxial | Uniaxial | Axes | Alignment** |
AC-73 or AC-73i* | X | X – Y – Z | H – H – V | ||
AC-72-H or AC-72i-H* | X | X – Y | H – H | ||
AC-72-HV or AC-72i-HV* | X | X – Z | H – V | ||
AC-71-H or AC-71i-H* | X | X | H | ||
AC-71-V or AC-71i-V* | X | Z | V |