(1) After the elevator is in place, it can open and close the door manually or automatically.(2) Ac motor is used to control lifting of the elevator car.(3) When the elevator stops at a certain floor and waits for passengers, press the external call button of the next floor to open the door and welcome passengers automatically.(4) Automatic door closing. When the elevator has completed all instructions in the cabin and there is no external call signal, the elevator should be able to close automatically.(5) Door opening button. Press the "Open" button on the control panel to open the elevator door during the opening and closing process or before the elevator starts after the door closes.(6) Each floor lobby is equipped with up and down call switches (only the top floor is equipped with up and down call switches, only the bottom floor is equipped with up and down call switches).(7) Direction indicator and current floor position indicator are installed inside and outside the elevator. There are two signs on each floor for cars and lobbies. One is the direction indicator light, used to indicate the running state up and down; The other is a display on the floor of the car. The decoder consists of a component connected to the vehicle position by a connecting circuit, and the component may continuously display the vehicle position at any time.(8) Internal command storage. When there are multiple floor selection commands on the car control panel, the elevator should be able to stop automatically according to the floor order and automatically determine the direction of operation.(9) Automatic positioning. When floor selection instructions on the car control panel are different from the direction of the elevator, the elevator should be able to automatically determine the direction of the elevator according to the preemption principle.(10) Call memory and stop forward. The elevator should remember the call signal outside the building when it is running, and the elevator should be able to respond to the running direction of the call meeting and stop one by one automatically.(11) Automatic reversing. When the elevator completes all instructions in the car, it should automatically change direction and respond to signals in the opposite direction.(12) The elevator is equipped with floor buttons, door and door closing buttons, alarm bells, electric fans and lighting.