The second settings is always a good idea to set. Only in case you miss some channels after restricting ECUs (to ECM), one should use ALL.
In case you still get drop outs, please create a log as described in the FAQ (Debugging OBD Connections).

- Harry


I tried changing this to ECM and it looks ...

Awesome, thanks for the info! I will hopefully have another event in a few weeks and will give these settings a try!

There are two expert settings you can test for cars not fully compatible:

1) Expert Settings ‣ OBD Tweaks ‣ Adaptive Timing ‣ Enabled (instead of Optimized)
2) Expert Settings ‣ OBD Tweaks ‣ ECUs Addresses ‣ ECM instead of ALL

Late LapTimer versions turn on a number of optimizations to get ...