Put the Arm on top platform of the rover aligning two holes on the Arm base to the Rover upper platform 2x M5 fixing holes. See that one of the platform fixing holes is marked and out of grid.
Tighten the connection using 2x M5 screws and the screwdriver provided. Manually set the arm in an uppermost position to gain access to the holes.
Connect servo adapter to the left 9pin waterproof socket.
Enter the Rover interface (10.0.0.1 when connected to Turtle wifi) and click a menu button on the right.
Open 'manipulator' tab and set ranges of the axis according to the table below.
The values need to be re-set every time you open the interface on different device or clean your cookies.