What's ATL on my Core Code transmitter?
 

It's set on 50%.

Should it be 100%?

Cheers!

ATL limits throttle travel in reverse range to reduce the amount of braking and or the reverse speed, it needs to be at 100% for programming of the esc, then you set it to your desired % to get the amount of brakes that's right for you.

hope this helps

Thank you.

I'm not sure if it would work on the kit esc from my Tamiya Mini M05 as it's pretty basic! It has reverse which is usefull in Mini racing!