Nekes-d da$en igulen n usmal1, igulen-agi ad tnaf élin $ef wacêal deg ugrawal. Ad d-naf : - Asemlili n sin wawalen imazi$en ur netteki ara $er yiwen n uéar, mdy : tadist d tiddas ttudsen daw DS, amzun ttekin $er yiwen n uéar, wis sin d asemlili n wawalen imerwasen am ehdu d lehdiya ttudsn daw HD amzun ttekin $er yiwen n uéar, da$en d asemlili n wawalen amenzu d awal amazi$, wis sin d amerwas am mel d tmelli amzun kkan-d deg yiwen uéar.