Character Return(0x0D) for denote the end of response
Example
Command
~01DMU
Response
!01
Description
This example set the 5-digits display to user mode in the I-8000 system at address 01h
So user can use the "~AADV","~AADPV" and "~AALPS" command to control the display and led of the I-8000 system
The response indicates the command is valid.