Easily on line refresh and upgrade firmware
efurbish the program on line, compile corresponding promotion program according to the protocol and command provided by customer,
customer connect keyboard controller through RS485 interface on the computer to update firmware.
Button settings, quickly and easily
Unique control code study function, the customer can revise the control code instruction voluntarily
Keyboard operation password on/off/lock function
Manifold communication mode, RS485,RS422,RS232
All parameters are set by key-press operation procedure, it is convenient and fast