hat
●IR lwen opere pa voye yon siyal nan kontwòl a bay la destinataire IR via liy vi, ak siyal IR yo pa kapab vwayaje nan pas, se konsa IR kontwòl bezwen pou yo rive pou "wè" destinataire IR a ak pou pi si se pa pas ant yo.
eng
●IR remote operate by sending a signal from the remote control to the IR receiver via line-of-sight, and IR signals can't travel through obstructions, so IR remote control needs to be about to "see" the IR receiver and make sure there is no obstructions between them；