Here you get the opportunity to quickly and easily to one of you individually made suggestion for an elevator car.
The upper pane shows the categories, you should work through. Just click on the appropriate button.
Furthermore, You can mount the buttons at the bottom "NEXT", "BACK" to navigate.
When setting the size you always have a scroll bar available which is limited to the respective maximum and minimum values. There you can also click on the number above the bar on the right enter the exact value from the keyboard.
All of the configuration according to EN 81-1, EN 81-2