In night-light mode the LED on the switch will turn ON when the switch is turned OFF. Change the top of the switch to OFF and the bottom of the switch to ON. Note: If you invert the switches and also install the product upside down, remember the load will now be controlled by the right, not the left switch. This dimmer will start dimming from its current level. Indicates how many levels the dimmer will change for each dimming step. This value indicates in 10 millisecond resolution, how often the dim level will change. For example, if you set this parameter to 1, then every 10ms the dim level will change. If you set it to 255, then every 2.55 seconds the dim level will change. Indicates how many levels the dimmer will change for each dimming step. This value indicates in 10 millisecond resolution, how often the dim level will change. For example, if you set this parameter to 1, then every 10ms the dim level will change. If you set it to 255, then every 2.55 seconds the dim level will change. Indicates how many levels the dimmer will change for each dimming step. This value indicates in 10 millisecond resolution, how often the dim level will change. For example, if you set this parameter to 1, then every 10ms the dim level will change. If you set it to 255, then every 2.55 seconds the dim level will change.