TA2 Atak hand programmer program is manufactured by using advanced European technology. The calibration and menu settings can be made by the authorized service by connecting the taximeter's adjustment unit with a connecting cable. At the same time, the authorized service can add units to the taximeter or install programs updated by Atak Taksimetre with the help of a computer (laptop) by connecting another connecting cable to the other side of the device. It has a quad keypad that can be used very easily by service personnel.