PLU keyboard > [HTML Version](pluklavesnice.html) The PLU keyboard enables you (among other functions) to fast mark according to the preset [PLU codes](eanpluavazenykod.md). You can use it as an ordinary calculator as well. The functions of the PLU keyboard are the same as with the calculator in [Instant sale](okamzityprodej.md). It is therefore controlled in the same way. However, the PLU keyboard is used in [POS mode](mod-pokladny.md) **Catalog **or** Simplified**, while the calculator is used in **Instant sale **mode. To have the PLU keyboard icon (./images/clip0078.png) displayed on the [main screen of](hlavniobrazovkaauctovani.md#hlavni_obrazovka), you have to go to [Application settings](nastaveni-zobrazeni-plu-klavesnice.md) in the section **PLU keyboard**, check the option** Display PLU keyboard**. (./images/clip0253.png) top