LEDのオン・オフはこんな感じで

<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()">
	<mx:Script>
		<![CDATA[
			import gainer.Gainer;
		
			private var _gio:Gainer;
		
			public function init():void
			{
				_gio = new Gainer("localhost", 2000, Gainer.MODE1, true);
			}
		
			private function turnOn():void
			{
				_gio.turnOnLED();
			}
		
			private function turnOff():void
			{
				_gio.turnOffLED();
			}
		]]>
	</mx:Script>
	<mx:Button x="10" y="20" label="ON" click="turnOn()"/>
	<mx:Button x="74" y="20" label="OFF" click="turnOff()"/>
</mx:WindowedApplication>