DOT400 Indicator is suitable for elevators with less than 32floors, each floor ... 3.1 Information content: When no inputs for all signals, specified contents display from right to left.3.2 Floor ... 6,7,8,9 “Black”)as displaying contents of low digit of the LCD.4.2 Factory default:Press F_KEY button to display ... F1. 4.7 Exit of programming Keep pressing F_KEY for 3s,it will exit, if there is no operation ...