User manual ACER EXTENSA 7230E

[. . . ] All correspondence concerning your unit should include the serial number, model number, and date of purchase. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopy, recording, or otherwise, without the prior written permission of Acer Incorporated. Extensa Notebook Computer Model___________Serial No. ____________Purchase Date_______________ Extensa is a trademark and a product of Acer Inc. , developed with Texas Instruments Inc. All other trademarks and registered trademarks are the property of their respective companies. [. . . ] When the computer is using AC power and you disconnect the AC adapter from the computer, it automatically dims the LCD backlight to save power. If you reconnect AC power to the computer, it automatically adjusts the LCD backlight to a brighter level. Hard Disk Standby Mode The hard disk enters standby mode when there are no disk read/write operations within the period of time determined by the HPM unit. In this state, the power supplied to the hard disk is reduced to a minimum. The hard disk returns to normal once the computer accesses it. Peripheral Standby Modes The peripheral connections in your computer also power down to save power if there is no activity within the period of time specified by the computer's HPM unit for these devices. These include audio, serial ports, floppy drive and parallel port. Standby Mode The computer consumes very low power in Standby mode. Data remain intact in the system memory until the battery is drained. 40 User's Guide Heuristic Power Management There is one necessary condition for the computer to enter Standby mode: u Heuristic Power Management must be set to [ENABLED]. There are four ways to enter Standby mode: u Pressing the Standby hot key Fn-F3 u If the waiting time determined by the computer's HPM unit elapses without any system activity u Closing the display cover u When the computer is about to enter Hibernation mode (e. g. , during a battery low condition), but the Hibernation file is invalid or not present Note: If the computer beeps but does not enter Standby mode after pressing the Standby hot key, it means the operating system will not allow the computer to enter the power-saving mode. The following signals indicate that the computer is in Standby mode: u The buzzer beeps u The Standby indicator lights Warning: Unstored data is lost when you turn off the computer power in Standby mode or when the battery is drained. To leave Standby mode and return to normal mode: u Press any key u Move the active pointing device (internal or external, PS/ 2 or serial) u Have the Resume Timer set and let it be matched u Open the display cover Chapter 2 Operating on Battery Power 41 Heuristic Power Management u Experience an incoming PC card modem event Hibernation Mode In Hibernation mode, all power shuts off (the computer does not consume any power). The computer saves all system information onto the hard disk before it enters Hibernation mode. Once you turn on the power, the computer restores this information and resumes where you left off upon leaving Hibernation mode. There are two necessary conditions for the computer to enter Hibernation mode: u The Hibernation file created by PhDISK must be present and valid. Click on OK and exit. 46 User's Guide External Keyboard External Keyboard This computer has a keyboard with full-sized keys and an embedded keypad. If you feel more comfortable using a desktop keyboard, you can install a PS/2-compatible external keyboard. To connect an external keyboard, plug the external keyboard into the PS/2 connector. Chapter 3 Peripherals and Options 47 External Keypad External Keypad You can also use a 17-key numeric keypad for numbersensitive data entry applications. To connect the keypad, plug the keypad connector into the PS/2 port. 48 User's Guide External Pointing Device External Pointing Device This computer accepts either a PS/2-compatible or serial mouse or similar pointing device. Note: When using an external mouse, you may choose to disable the internal touchpad by pressing Fn-F7. External PS/2 Mouse The built-in touchpad works alternately with an external PS/2 mouse which is hot-pluggable. To use a PS/2compatible mouse, simply plug it into the PS/2 port. Note: Enable the touchpad before connecting the PS/2 mouse. Chapter 3 Peripherals and Options 49 External Pointing Device External Serial Mouse If you use a serial mouse, plug it into the serial port. To enable the serial mouse, use the Add New Hardware tool in the Windows 95 Control Panel. 50 User's Guide Printer Printer This computer supports both serial and parallel printers. For a serial printer, plug the printer cable into a serial port. For a parallel printer, plug the printer cable into the parallel port. See your printer manual for operating instructions. Note: If the printer does not function, enter Setup and verify that the parallel port is enabled. See "Advanced" on page 89 for assistance. Chapter 3 Peripherals and Options 51 Audio Devices Audio Devices Audio devices are easy to connect with the audio ports accessible from the left rear side of the computer. You can plug in an external microphone or audio line-in device to the line-in/microphone-in jack. [. . . ] Press F2 (during POST) to enter the Setup Utility; then press Esc to exit and reconfigure the computer. Press F2 (during POST) to enter the Setup Utility; then press Esc to exit and reconfigure the computer. Contact your dealer or an authorized service center. Contact your dealer or an authorized service center. [. . . ]