Un cycle horizontal désigne la durée nécessaire pour balayer une seule ligne de la gauche vers la droite de l'écran. Le nombre réciproque d'un cycle horizontal est désigné sous le nom de fréquence horizontale. La fréquence
horizontale est mesurée en kHz.
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Fréquence verticale
La répétition de la même image des dizaines de fois par seconde permet de visualiser des images naturelles. Cette fréquence de répétition s'appelle la «fréquence verticale» ou «fréquence de rafraîchissement» et est
mesurée en Hz.
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En raison de la nature même de l'écran, cet appareil ne peut être réglé que sur une seule résolution pour chaque taille d'écran afin de garantir une qualité d'image optimale. La définition d'une résolution autre que celle qui
est spécifiée peut entraîner une dégradation de la qualité d'image. Pour éviter ce problème, il est conseillé de sélectionner la résolution optimale indiquée pour votre produit.
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Certaines résolutions répertoriées dans le tableau ci-dessus peuvent s'avérer indisponibles en fonction des spécifications de carte graphique.
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