TIC Liner 3000 with Communicator Electric System Description of function: To adjust the rotor height, the module A 20 actuates the solenoid coils according to the "Turning area function" programming or according to the operator's wish. Turning area function In the turning area function, the raising height and the time delay for raising and lowering of the front and rear rotor arms can be programmed. 12/03 Lin-11-el. 11a-3