Mike the Esc needs to be put into 508_NoTiming. You need the LCD box connected to a laptop to change the software from boost to blinky. After that you only need the box to change the settings. If you want boost again you need to connect it back to a laptop. Even if you set boost and timing to zero it still does something to make it faster. People on the forum have tested the different software and the boost software and blinky are different at Zero timing.
FYI the new V3 speedos automatically go into blinky mode when timing is set at zero. Nice new feature on the newer speedos.
I can help you out as I always have my laptop with me at the track.