ScannerSettings will only work with a compatible Socket Bluetooth CHS 7 or CHS 8 barcode scanner. It is used to configure and test the scanner. Configuration options include configuring the applicable symbologies, defining a suffix or prefix and controlling the user feedback mechanisms (LED, beep, vibrate). The CHS line is Apple iOS certified for iPad, iPhone and iPod touch and sold separately. An iOS Version of 6.1 or higher is required.