ENGLISH USER MANUAL8 909 6748 000(3)2010-03 A BA 451 - BA 451D - BA 531 - BA 531DCONTROL PANELBrush/pad-holder and vacuum system switch71.Brush/pad-holder and vacuum system switch warning light72.Vacuum system switch73.Vacuum system switch warning light74.Brush/pad-holder release switch75.Brush/pad-holder release switch warning light76.Detergent flow control switch (**)77.Detergent flow control switch warning light78.Hour counter (optional)79.Ignition key (0 - I) (*)80.Battery charge indicator81.Charged battery warning light (green)81a.Semi-discharged battery warning light (yellow)81b.Discharged battery warning light (red)81c.Washing water flow control switches82.Flow increase switch82a.Flow decrease switch82b.Washing water flow indicator82c.EcoFlex™ system switch (**)83.EcoFlex™ system switch led indicator (**):84.Led ON - EcoFlex™ system ON•Led flashing - EcoFlex™ system override•Detergent concentration level display (**)85.Only for(*) BA 451D and BA 531DOnly for machine with EcoFlex™ system (optional)(**)BA 451, BA 53171 72 7381a81b81c82a82c82b74798182BA 451D, BA 531D71 72 7381a81b81c82a82c82b74 75 76 84 83 78 777980818285S311328 S311329BATTERY CHARGER DATA INSPECTION WINDOW (optional)Electronic battery charger90.Lead (WET) or gel (GEL) battery selector91.Green warning light (the battery charger is on and batteries are charged)92.Yellow warning light (the battery charger is on and batteries are semi-discharged)93.Red warning light (the battery charger is on and it is charging the batteries)94.9493929190S311330