Using Realforce software, Realforce R3 users can access the following settings and save their changes to the on-board memory. - APC (Actuation Point Changer) setting: Adjust the actuation point depth of each key by selecting from 0.8mm, 1.5mm, 2.2mm, or 3.0mm. - Heat map: Allows you to visually check the keys you use most often and adjust them using APC or other customizable settings. - Custom keymap function: Allows you to change the key assignments as desired. - Key layout switching function: Switch between two key layouts (A or B) on the fly depending on the application or OS. - ECO mode setting: Adjust the battery consumption when using Bluetooth. - Firmware update: You can update your Realforce Keyboard firmware by yourself via the software UI. - On-board memory: Allows you to save your custom settings to the keyboard itself for use in office environments where software cannot be installed on the PC.