Working With Projects Underline characters (___) in the text define the position of variables. 4.4.1 Info texts You can add so-called info texts to the actual text messages. Info texts are only displayed on the screen when you press the button. When a message text is displayed that has an info text assigned to it, the LED above the button will automatically light up. To input info texts proceed as described in chapter 4.4. Text numbers 1000 and higher are error messages! 33