63Oper a t ion12.This chapter gives an overview on the functions of your VectronPOS system and an introduction into the basic operating proce-dures. Your Vectron dealer has programmed your POS system tomeet your operating requirements. Some of your operating pro-cedures may therefore differ from those described in this manual.Your Vectron dealer will fully explain the functions installed foryou.NotesThe following operating instructions of the POS system•use the term „key“. The Vectron POS ColorTouch, POSVario and POS Mini with touch screen allow the applica-tion of the touch screen. „Key“ therefore refers to thecorresponding buttons of the touch screenAs of version 4.0 of the Vectron POS software the but-•tons on the touch screen display their functions mainlyby small pictographs, so-called icons. The icons contai-ned in the Vectron POS software and their meaning areexplained in the supplement.Si g n i n a n d o u t a t th e P OS sys te m12 .1 .The operator must sign in to the Vectron POS system inorder to enter PLUs or hold-buffers. Thus you can verify atany time which operator has made which entries. Differentusers can be vested with different authorizations, e.g. void.There are various possibilities to sign in or out at the Vect-ron POS system.