The temperature of the base of the unit will rise during normal operation and over time could result in discomfort or burns. . Do not use this device while walking. Listening to music with headphones or watching the LCD screen while walking may lead to an unexpected accident and result in personal injuries. . To prevent possible damage and risk of ignition to your tablet device during transportation, first attach any supplied connector covers and slot protectors in their appropriate locations, and secure the battery pack in the battery compartment. Wireless functionality . If radio interference with other devices occurs while using your tablet device, do not use the wireless functionality. Use of the wireless functionality may cause a malfunction of the devices, resulting in an accident. . In some situations or environments, the use of the wireless functionality might be restricted by the proprietor of the building or responsible representatives of the organization, for example on board airplanes, in hospitals or in any other environment where the risk of interference with other devices or services is perceived or identified as harmful. If you are uncertain about the policy applying to the use of wireless functionality in a specific organization or environment, you are encouraged to first ask for authorization prior to switching it on. Consult your physician or the manufacturer of personal medical devices (pacemakers, hearing aids, etc.) regarding any restrictions on the use of wireless functionality. . If using wireless functionality near a pacemaker, make sure it is at least 9 inches / 22 cm away from the pacemaker. . Due to the transmission and reception properties of wireless communications, data can occasionally be lost or delayed. This can be due to the variation in radio signal strength that results from changes in the characteristics of the radio transmission path. Sony will not be held responsible for damages of any kind resulting from the delays or errors in data transmitted or received via wireless functionality, or failure of wireless functionality to transmit or receive such data. . If the equipment does cause harmful interference to radio/TV reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: reorient or relocate the receiving antenna, increase the distance between the sender and the receiver, consult the dealer or an experienced radio/TV technician for help. Sony will not be responsible for any radio/TV interference nor for any other undesired effect. . If you urgently need to disable the wireless functionality, enable Airplane mode. Tap [Apps] - [Settings] - [Wireless & networks] - [Airplane mode]. The Airplane mode check box is selected. In case of emergency, shut down your tablet device. Wireless LAN Security Creating security settings for the Wireless LAN is extremely important. Sony assumes no responsibility for any security problems that may arise from the use of the Wireless LAN. Emergency Calls For models with the wireless WAN function only The embedded mobile broadband module does not support voice calls. Battery pack . Sony disclaims and shall assume no responsibility in case of any losses and damages arising from: . The use of non-genuine Sony battery packs or AC adapters with your tablet device. . The disassembly, alteration of, or tampering with any Sony battery pack. . Do not charge the battery pack in any way other than as described in Help guide or as designated by Sony in writing. Caution . Danger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer’s instructions. . The battery pack used in this device may present a fire or chemical burn hazard if mistreated. . Do not crush, disassemble, heat above 60°C (140°F) or incinerate. . Dispose of used batteries promptly and properly. . Keep away from children. . Do not short-circuit the metal terminals of the battery pack or wet them with any liquid, for example, water, coffee, or juice. . Do not handle damaged or leaking lithium-ion batteries. . In some areas the disposal of lithium-ion batteries in household or business waste may be prohibited. Please use the appropriate public collection system. Backup memory battery Your tablet device product is equipped with an internal backup memory battery that should not have to be replaced during the lifetime of the product. When the battery needs to be replaced, please contact an authorized Sony service/support center. AC adapter . It is highly recommended that you use a genuine Sony AC adapter supplied by Sony for your product. . This AC adapter is intended for use with the tablet device IT products only. . Do not place the AC adapter in contact with your skin. Remove the AC adapter away from your body if it becomes warm and causes discomfor...