Press the Menu button.
Press F3.
Toggle between 2D, 3D, and CAN with the F2 and F4 buttons. Use 3D for Topcon 3D-MC.
F1 and F5 are used to zero out the VÖGELE Sonic Sensors on the left and right sides.
The highlighted yellow buttons are used for auto/manual for both VÖGELE and Topcon.