Display DP C11 uart -Speed unlock

[Drako24]

Hello
I have a bafang DP C11 display. uart.
how to unlock this speedometer?.
I have besst tools 1.2.18 but I can only read HMI data. no changes possible.

 

[temon10]

Hello
I have a bafang DP C11 display. uart.
how to unlock this speedometer?.
I have besst tools 1.2.18 but I can only read HMI data. no changes possible. View attachment 109751 View attachment 109752

I have CAN version, but change speed limit from controller not display.