; LED settings
; 00 display off
; 01 1&2 Hex address, 3&4 Hex data : AADD
; 02 1&2 Slave address, 3='U', 4=BaudRate (shoulde be 5)
; 03 = 3.123 RF analog voltage
; 04 = 4.123 LV1 analog value
; 05 = 5.123 LV2 analog value
; 13 = VV.RR Version + Release
; 14 = CC.EE Number of Commands + Errors found
; 15 = 55.AA Number of 55 + AA commands recognised
