jerem94000

Aahh ... thank you for this link. I didn't succeed to find any information on this subject. Indeed, To be able use more than 8 channels in the 8FG :...

> Get a hold to a scope or a logic analyzer. Could you please give me a link which shows me what is this scope ? Thank you :-)

Ah yes of course. I already used it ... 30 yeas ago, when I was in high school !! A bit expensive for me this test...

Finally... I solved the problem. I replaced pin10 by pin9 ... And now I can correctly activate trainer on the radio. So, it seems pin10 doesn't function correctly.