https://docs.emtronaustralia.com.au/transmission-control/tuning/data-logging/index.htmlThe TCM has a built-in data logger that records selected channels to eMMC memory. Logging Specs Max Capacity 8GB Max Channels 500 Max Frequency 1000 Hz Channels A maximum of 500 channels can be selected for logging. Each channel can be recorded at any of the following frequencies:Hugoen-us