1. LOP:
At each floor door elevator, there is a pair of buttons that users call the ladder to, it consists of two arrows pointing up and down stairs. When you press the up arrow button, you are required to come to the upper floor, when you want to go down, press the down arrow then the elevator will stop to take you to the lower floors.
Depending on the priority control program for people in elevator room or for elevator callers, the elevator will follow reasonable requirements.
Particularly on the ground floor, only the arrow button pointing up for guests who want to go to the upper floors, as well as on the top floor, there is only the down arrow button for guests who want to go down to the lower floors.
2. COP:
Depending on the number of floors needed, there are many buttons on the control panel in the elevator's chamber and are numbered according to each floor, separately the ground floor (the bottom floor) is denoted by G (Ground). So when visitors to the elevator room can customize the button to bring the number of floors to.
When the elevator goes down, it only receives signals for the lower floor to move, on the contrary, when the elevator goes up, it only receives signals for the higher floor to move. As for the guest signals, the controller will enter the memory to execute in the next route.
In addition, on the control panel in the elevator room, there are other buttons:
Two buttons of Open door and Close door are the two buttons that people in the elevator want to leave the elevator door closed or open when the elevator stops.
Push button when something goes wrong in the elevator room shaped like a bell to notify the security guards outside.
The button is a phone-shaped button for people in the elevator to contact outside protection when there is a request or incident.