Description

HH400 support interface type of RS232 and USB HID. Change cable and scan one of the following barcode to program your interface.

1. RS232 COM port
   Scan following barcode to program interface to RS232 COM Port with RS232 cable.
2. USB Keyboard port
   Scan following barcode to program interface to USB keyboard port with USB cable.

Enter/Change line setting 

1. Add Enter
2. Cancel Enter
3. Add change line
4. Cancel change line