APPS User´s manual (English) March 18, 2021 | No Comments Version Download 518 File Size 449.63 KB File Count 1 Create Date March 18, 2021 Last Updated May 30, 2022 Download Description This is the user manual for the smartphone application 'O2', which is used to display O2, lambda, AFR (Air Fuel Ratio)... data for shields 01S01V00, and 01S01V00.