3 FFN-N-BA-e-13238 Operation ....................................................................................................... 238.1 Weighing .................................................................................................................................... 238.2 Taring......................................................................................................................................... 238.3 Weighing units switch-over ........................................................................................................ 248.4 Background illumination ............................................................................................................ 249 The menu ....................................................................................................... 259.1 Navigation in the menu .............................................................................................................. 259.2 Menu overview........................................................................................................................... 269.3 Set auto-OFF function ............................................................................................................... 279.4 Setting the Multi-Tare function................................................................................................... 2810 Error messages............................................................................................. 2911 Instant Help ................................................................................................... 3012 Service, maintenance, disposal................................................................... 3112.1 Cleaning..................................................................................................................................... 3112.2 Service, maintenance ................................................................................................................ 3112.3 Disposal ..................................................................................................................................... 3113 Declaration of –Conformity .......................................................................... 32