Quickly Disabling Auto Power-Off DTX522K, DTX532K, DTX542K, DTX562K, To quickly disable the Auto Power-Off function, turn on the drum DTX500K, DTX520K, DTX530K, DTX540K, module while holding down the [ ] button. DTX550K, DTX560K, DTXP4STD (DTX- Settings PRESS IV STD SET), ...