Acer Aspire 4540 Acer Aspire 4540 Series Service Guide - Page 16

No. 7 8 Icon Item Palmrest Power Description Comfortable support area for your hands when you use the computer. Indicates the computer's power status. 9 10 11 12 +/- 13 P 14 Closed Front View Battery Click buttons (left, center* and right) Touchpad Touchpad toggle Volume Up/ Volume Down Programmable Key Backup Key Wireless LAN Communication button / Indicator Bluetooth Communication button/indicator Speakers Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. The left and right buttons function like the left and right mouse buttons. *The center button serves as Acer BioProtection fingerprint reader supporting Acer FingerNav 4-way control function (only for certain models). Touch-sensitive pointing device which functions like a computer mouse. Turns the internal touchpad on and off. Increase system volume/decrease system volume. User-Programmable Launches Acer Backup Management for threestep data backup. Enables/disables the wireless LAN function. Indicates the status of wireless LAN communication. Enables/disables the Bluetooth function. Indicates the status of Bluetooth communication. (only for certain models) Left and right speakers deliver stereo audio output. No. 1 Icon Item 6-in-1 card reader Description Accepts Secure Digital (SD), MultiMediaCard (MMC), MultiMediaCardplus™(MMCplus™), Memory Stick (MS), Memory Stick Pro (MS PRO), and xD-Picture Card. Note: Push to remove/install the card. Only one card can operate at any given time. 6 Chapter 1