 		self.pollingTimer = nil
 	}
 	
-	// MARK: Properties
+	// MARK: - Properties
 	
 	private(set) internal var serialPort: ORSSerialPort? {
 		willSet {

		case SetLED
	}
	
	// MARK: Private
	
	func pollingTimerFired(timer: NSTimer) {
		self.readTemperature()
		self.readLEDState()
	}
	
	// Sending Commands
	private func readTemperature() {
		let command = "$TEMP?;".dataUsingEncoding(NSASCIIStringEncoding)!
		let request = ORSSerialRequest(dataToSend: command,

		return LEDStateString.toInt()! != 0
	}
	
	// MARK: - ORSSerialPortDelegate
	
	func serialPortWasRemovedFromSystem(serialPort: ORSSerialPort) {
		self.serialPort = nil
