GeoCue 2013.1.45.1 added a Point Class list selection capability to the Terrasolid Project Settings to allow a user to select the PCT file to be used for the current project. This information is then passed to TerraScan projects or TerraSlave tasks when they are generated by GeoCue.
The Terrasolid Options within GeoCue are accessed by going to Setup –> Options –> LIDAR 1 CuePac and then selecting the Terrasolid tab: