Much of the data here was builds on and borrows information from the Pulse Width Method document by Barry Gordon. You should read that
document and understand how to decode pulse width modulated codes. This document
covers decoding of RC5 phase modulated codes.
The Pronto learned hex code is a series of hexadecimal numbers. The first four of which have special meaning.
This document describes the format of learned IR codes as they are displayed in ProntoEdit program. It is assumed that the reader has a working familiarity with the Philips Pronto remote control and the ProntoEdit software system.