[. . . ] In order to ensure your safety and the safety of your notebook, we ask that you carefully follow these safety precautions. CAUTION: Using your notebook for long periods of time, with the base resting directly on exposed skin, can cause injury, burns or discomfort from the heat buildup that is generated from the base of your portable computer. After removing the notebook from the box, please ensure that all packaging materials are kept out of the reach of small children as they can cause a potential choking hazard. The packaging materials should be safely stored away in the event that it may be used again for safe transportation of the notebook. [. . . ] If proof of purchase cannot be shown, then the warranty will be determined based on the date of manufacture. the limited warranty is only valid for ASUS branded or supplied hardware. In the event that a defect arises in materials or workmanship and proof is shown of this defect, ASUS will, through its authorized service provider or partner, repair the product at no extra charge, using new or refurbished replacement parts in order to fulfill the warranty obligations. If, during the warranty period, ASUS or its service provider is unable to repair the product, the product will be replaced with a comparable product that is new or refurbished. Federal Communications Commission Notice: This equipment has been tested and found to comply with the limits for a Class B digital service, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Any changes or modifications made to this equipment may void the user's authority to operate this equipment. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television 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. This chapter will show you the various ports and components of the EEE PC R051CX, and familiarizes you with the notebook. Certain parts of the notebook can be upgraded by the user while others are fixed and cannot be changed. Your computer has two types of power sources: A Lithium-Ion battery and an AC adapter. Connecting the Power Adapters The AC adapter provides power for operating your notebook PC as well as charging the battery. Your notebook will automatically switch from DC power to battery power. CAUTION: The Lithium-Ion battery does not ship with a precharge initially. You will need to connect the AC adapter to use your notebook PC at the first time. It is recommended that only the AC Adapter supplied with the EEE PC R051CX is used. Any other adapter could cause damage or malfunction and might result in injury. There is no "memory effect" in Lithium-Ion batteries; therefore you do not need to discharge the battery completely before recharging. The charge times will be significantly longer if your notebook PC is in use while the battery is charging. [. . . ] you also have the option to perform the double-click operation by tapping lightly on the Touchpad twice. Dragging: Dragging means pressing and holding the left button while moving the cursor. Press and hold the left button while moving the item to its new location and then release it. First, tap the Touchpad twice over the item you wish to move, making sure to leave your finger on the pad after the final tap. [. . . ]