388/xp8103 questions
The difference in programming is ease of programming ability with a few more features. The 8103 has 2 multi-point mixes, and 2 include mixes, which allows the trim of the master channel work on the slave channel also. It has 6 total mixes. It has a few other built in features added. Yes, all your receivers working with the 388 will also work with the 8103. Yes, you will be able to select between the 3 modulation types.