Kev tig ntawm clockwise thiab anti-clockwise yog adjustable.
Xaiv tau cable: ib lub tub ntxhais lossis ob lub tub ntxhais
Lub log tsav tsheb xaiv tau: Punched lossis Toothed
Kev xaiv nres tsheb: DAN/DAB/DAG; 6.3V/12V/24V