Switching Microphone on

Hi
in my web app i would like to switch the Microphones on,just noe i pop us the setting box,

is it possible to switch on the Microphone

private function checkMicrophoneAccess(event:FlexEvent):void {
this.removeEventListener(FlexEvent.SHOW, checkMicrophoneAccess);
var mic:Microphone = Microphone.getMicrophone();
mic.addEventListener(StatusEvent.STATUS, this.onMicStatus);
if (mic.muted) {
readingGroup.enabled = false;
Security.showSettings(SecurityPanel.PRIVACY);

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