Asus U20A User Manual - Page 13

9 SPDIF Output Jack Combo This jack provides connection to SPDIF (Sony/Philips Digital Interface) compliant devices for digital audio output. Use this feature to turn the Notebook PC into a hi-fi home entertainment system. Headphone Output Jack The stereo headphone jack (1/8 inch) is used to connect the Notebook PC's audio out signal to amplified speakers or headphones. Using this jack automatically disables the built-in speakers. Rear Side 1 1 Battery Pack The battery pack is automatically charged when the Notebook PC is connected to an AC power source and maintains power to the Notebook PC when AC power is not connected. This allows use when moving temporarily between locations. Battery time varies by usage and by the specifications for this Notebook PC.The battery pack cannot be disassembled and must be purchased as a single unit. Notebook PC User Manual 13