Font Size
Font size in POS4 is configurable in the Skin editor. Open the Skin editor by holding down the Shift key and right-clicking on the key symbol, then click Skin editor.
On the right side of the “Resolut Skin editor” window you can see an overview of fonts in each of the basic sections.
You can set the Default font on the top right. Below you can select an individual Section, for which you can set text properties such as size, color and the properties of other visual elements.