Probleme controle Webcam hercules Classic Silver

Bonjour ,
J'ai acheté une webcam Hercules Classic Silver et j'ai fait un VI Labview 2009 qui me permet de visualiser une application dans une enceinte fermée en mode caméra avec gestion du son.Jusque là ,tout va bien.Le hic ,c'est que cette webcam possede 4 leds haute luminescence que l'on peut allumer ou éteindre avec l'application du constructeur.Sous labview,je ne sais comment faire pour cela.J'ai essayé avec le module Noeud de propriété IMAQdx "ActiveAttribute" mais je ne connais pas la chaine de caracteres à envoyer
Merci d'avance
Pièces jointes :
webcam4.vi ‏101 KB

Bonjour.
Je ne crains que ce ne soit pas si facile à faire. Pour ce qui est de récupérer l'image, cela est plus simple car il suffit simplement de lire les données image qui arrivent sur le port USB.Pour piloter l'allumage des LED, il faut peut être voir si le constructeur ne fournit de bibliothèque permettant de piloter l'instrument, ou éventuellement voir si vous ne pouvea pas piloter l'application de votre constructeur à partir de LabVIEW en utilisant les activeX.
Cordialement.

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