In aggressive ALS setups the Manifold pressure sensor (Map1) will see large pulses or spikes in pressure. The Plenum Damping allows users to set a fix rate of change on the Map to filter out these pulses in the manifold and avoid any unwanted control [...]
The Start Calibration is purely a calibration area for setting up the ALS at the start of the Rally Stage. Ie if you wanted lots of boost available on the Start line you could set this map more aggressive then [...]