These lifts, A-F serves -1 to 9 and 20. First, you type in the destination with your mouse or touch, then you go to lift B. Press the door close button and the lift starts. Then you exit and goes back to the destination panel. These lifts were built in 2008.
Credit to @simprogrammer @ZZ9PluralZAlpha @HJ2127_1997 @Marb1 @Bingo_Bunny and Schindler
