App's functions: DiagnosisDisplay of the diagnostic message(s).Emailing the diagnostic message(s).Read-out of the trailer vehicle operating data(loading states, trips, diagnostic message)Display of the overall load of all the axles or theloads of individual axles. Display of tire pressures and temperatures aswell as sensor battery states. Display of the trailer vehicle inclinationDisplay of the wear conditions of the brakelinings of the trailer vehicleGeneration of permanent braking of the asphalttipper vehicle in front of the road finisher.(reverse monitoring system)ImmobilizerSwitch functions as per the vehiclemanufacturer's definition.Control of the ECAS functions (lifting/lowering)of the trailer vehicle.Lifting and lowering the lifting axleDisplay of the ongoing operating data of theTEBS system.Requirements for using the OptiLink™ app:Mobile terminal (smartphone or tablet) with the Android OS operating systemas from Version 4.1 (Jelly Bean).Trailer vehicle equipped with the OptiLink™ system.