9 Machine type and model labelThe machine type and model label identifies your computer. When you contact Lenovo for help, the machinetype and model number and the system-unit serial number on the label are required to help supporttechnicians identify your computer.10 USB connectorOpen the USB connector cover to access the full-size USB connector. Use the full-size USB connectorto connect a compatible USB device, such as a USB mouse, USB keyboard, or USB memory key. See“Using the full-size USB connector” on page 38.If your tablet comes with a ThinkPad Tablet Keyboard Folio Case or you have purchased one, use thisconnector to connect the folio case. See “Using the ThinkPad Tablet Keyboard Folio Case” on page 46.11 SpeakerThe integrated speaker provides audio output for video and music playback.12 ThinkPad Tablet Pen storageIf your tablet is shipped with a ThinkPad Tablet Pen or you have purchased one, use the storage slot to store it.13 ThinkPad Tablet Pen string holesUse the holes to tether the ThinkPad Tablet Pen to your tablet to avoid losing it.14 Volume control buttonsPress the volume up or down button to adjust the tablet volume.15 Ambient light sensorThe ambient light sensor detects the brightness of the environment. The screen brightness automaticallyadjusts depending on the ambient light conditions detected by the built-in ambient light sensor.16 Front-facing cameraYour tablet has a 2-megapixel front-facing camera, which you can use to take pictures, create videos, ormake video calls in collaboration with Web applications. For more information, see “Using the cameras”on page 34.17 Multitouch screenTouch the screen to use the controls on the screen including icons, menu items, and the onscreen keyboard.For more information, see “Using the multitouch screen” on page 13.18 Home buttonPress the Home button to go to the main Home screen at any time.19 Back buttonPress the Back button to return to the previous screen, or to close a dialog box.20 Browser buttonPress the button to open the default browser.21 Screen rotation lock buttonPress the button to disable the screen auto-rotation function. Press again to enable it.Chapter 1. Product overview 3