Safety precautions151Use caution when exposed to flashing lightsWhile using your device, leave some lights on in the room and do not hold•the screen too close to your eyes.Seizures or blackouts can occur when you are exposed to flashing lights•while watching videos or playing Flash-based games for extended periods. Ifyou feel any discomfort, stop using the device immediately.Reduce the risk of repetitive motion injuriesWhen you repetitively perform actions, such as pressing keys, drawingcharacters on a touch screen with your fingers, or playing games, you mayexperience occasional discomfort in your hands, neck, shoulders, or otherparts of your body. When using your device for extended periods, hold thedevice with a relaxed grip, press the keys lightly, and take frequent breaks. Ifyou continue to have discomfort during or after such use, stop use and see aphysician.Ensure maximum battery and charger lifeAvoid charging batteries for more than a week, as overcharging may shorten•battery life.Over time, unused batteries will discharge and must be recharged before•use.Disconnect chargers from power sources when not in use.•Use batteries only for their intended purposes.•Use manufacturer-approved batteries, chargers, accessories andsuppliesUsing generic batteries or chargers may shorten the life of your device or•cause the device to malfunction.Samsung cannot be responsible for the user’s safety when using accessories•or supplies that are not approved by Samsung.Do not bite or suck on the device or the batteryDoing so may damage the device or cause explosion.•If children use the device, make sure that they use the device properly.•