Waqtiga bandhigga waxaa lagu kaydiyaa kaadhka kantaroolka, laakiin wakhti ka dib, wakhtiga kaadhka xakamaynta iyo wakhtiga caadiga ah waxay noqon doonaan qalad waxayna u baahan yihiin in dib loo hagaajiyo gacanta. Haddii kaadhka xakamaynta uu ku xidhan yahay moduleka wakhtiga GPS-ka, wakhtiga kaadhka xakamaynta si toos ah ayaa loo sixi karaa wakhtiga dhabta ah iyada oo loo marayo calaamadaha dayax-gacmeedka.