this.nrOfScreens = nrOfScreens;
this.displayOptions = ph.getStealthDevice();
this.colorFormat = ph.getColorFormat();
this.initialized = false;
try {
stealth = new Stealth();
this.initialized = stealth.ping();
LOG.log(Level.INFO, "ping result: "+ this.initialized);
} catch (NoSerialPortFoundException e) {
LOG.log(Level.WARNING, "failed to initialize serial port!");
} catch (Throwable e) {