SMART SIGN includes 4 available modes for "OPEN", 1 available mode for "CLOSED". Switching and changing modes is done by using a thumbnail button located on the back panel of the plate. For the "OPEN" label, the available 4 modes are selected by pressing the button once. The selected mode is saved when the plate is switched off, the supply voltage is dropped or the "CLOSED" mode switches. To change the mode, press the thumbnail button again.