Hi Dave

I still haven't solved the number 3 problem
Where should I place the DEC keyword in ? As I try to compile with DEC keyword in, MCS spits out compile errors.

I am using TLP-434 and RLP-434 modules.
With this in mind would you suggext I now start adding in manchester encoding ?
Should I be trying SERIN/OUT2, DEBUG and HSER first ? (these all worked well when the PIC's were wired together)

I see your lines of serin code pre-condition the receiver first, should i be sending more $55's ?

As always any help or suggestions,tips,tricks etc would be greatly appreciated.

Kind regards

Dennis