Panasonic TH42PV500
Yamaha RX-V2600 receiver
Sony DVD recorder RDR 1010
Sony DVD recorder RDR 710
Mac PowePC 10.4.8 with FrontRow
TPS decoder
CanalPlus decoder

Good morning

I am a french user (low expertise)
I woulld like help for

=> how to find HEX Codes
=> how to enter the HEX codes in my project

=> how to find XMLCodes
=> how to enter the XML codes in my project

=> how to find PCF script instructions
=> how to enter the PCF script instructions in my project

another question is

=> how increase or decrease IR sent

Many thanks for detailed help for a low technician

Regards

1st question: Ask around, look on the internet and on this website.
2nd q: add a IR function in a device and pic Enter the Hex code

3,4,5,6 I don't know if it is even possible.

And you can't in- or decrease the IR length. You could try it by learning it from a source remote.