Thanks, Harry. I now have this working. It's such a useful feature. I thought it may be helpful to other new users to explain the steps (on a Mac):

1. Export the lap or session in .vbo format from HLT to the Mac.
2. Export the overlaid video from its location on the iPhone (e.g. Photos) to the Mac ...

Sorry, where do I find these instructions, Harry? I have been exporting overlaid video in .vbo format using mail. The mail itself contains the following text, together with the .vbo file:


This mail contains the following export files, large files are compressed using gzip:

LapTimer-All-20170531 ...

Thanks, Harry. Time to upgrade!

Hi Harry,

Looking at the Lap2Lap comparison slide on your Train the Trainer document, it indicates a range of comparison views are available. I am presently running Petrolhead on an iPhone with no external GPS and no OBD2. I had expected to find line driven and yaw rate information from the iPhone ...

Hi Harry,

I have downloaded Racelogic Circuit Tools for MacOS and am having a couple of issues with it:

1. The software indicates "Video not available". I am using only the iPhone internal camera. The video is overlaid properly on HLT (3 lap session). I have exported the session data using the ...