In order to switch from ACC & dEC to AC2 & dE2, configure rPS (Ramp switch ass.) in [1.7 APPLICATION FUNCT.] Menu to Logic input (LI).

For Example LI3.

ACC and dEC are enabled when the Logic input LI3 is set to 0.

AC2 and dE2 are enabled when the Logic input LI3 is set to 1.

Note:
The switch can be made during drive run state too.