4.5. Digital Pen4.6. Function keysPress on of the following keys to perform the desired function.Note: if your software uses some of the function keys to perform dedicated functions, youcan perform the function by pressing “Fn” plus the desired function key.10F1 Mute or unmute your system.F2 Decreases the volume level.F3 Increases the volume level.F4Switches display output betweenyour display, external monitor (ifconnected) and both.F5 Decreases the display brightness.F6 Increases the display brightness.Opens the Settings screen.F7Play or Pause.F8F9 Push here to talk to Cortana,if available.Eraser button • With the button being pressed, thetip of your digital pen acts like an eraser and enablesyou to erase the content previously made on thetouch screen. This button may require the supportfrom your application.Barrel button • This button provides two function default:• Right click - Perform a touch on your desired itemor object with button being pressed.• Selecting item or objects - Press and old this buttonand drag your pen on the screen over the desireditems or objects to select item.