Q: Does GSK 980TB2 has tool nose radius compensation function? Why it does not work while we input the instructions? Should I change any parameters?

A: Yes, set IT3 of CNC parameter No.2 as “1”.

GSK 980TB2 Specification:

http://www.cncmakers.com/cnc/controllers/CNC_Controllers_for_Lathes/Lathe_CNC_systems.html