User manual TOSHIBA SATELLITE A75-S231

[. . . ] Satellite A70/75 Series User's Guide If you need assistance: ® Toshiba Global Support Centre Calling within the United States (800) 457-7777 Calling from outside the United States (949) 859-4273 For more information, see "If Something Goes Wrong" on page 143 in this guide. Handling the cord on this product will expose you to lead, a chemical known to the State of California to cause birth defects or other reproductive harm. Wash hands after handling. PMAD00009011 08/04 2 Models: Satellite® A70/A75 Series ReWritable CD/DVD Drives The computer system you purchased may include a ReWritable CD and/or DVD drive(s), among the most advanced data storage technologies available. As with any new technology, you must read and follow all set-up and usage instructions in the applicable user guides and/or manuals enclosed. [. . . ] Check your remaining charge frequently if you are working in temperatures below 50 degrees Fahrenheit. The computer calculates the remaining battery charge based on your current rate of power use and other factors such as the age of the battery. Conserving battery power How long a fully charged battery lasts when you are using the computer depends on a number of factors, such as: How the computer is configured How much you use the display panel instead of an external monitor 112 Mobile Computing Monitoring battery power How much you use the hard disk and other drives Whether you use any optional devices to which the battery supplies power, such as a PC Card Where you are working--since operating time decreases at low temperatures There are various ways in which you can conserve power and extend the operating time of your battery: Enable Standby or Hibernation, which saves power when you turn off the computer and turn it back on again. Use Toshiba's power-saving options. These power-saving options control the way in which the computer is configured. By using them, you can greatly increase the length of time you can use the computer before you need to recharge the battery. Toshiba has combined these options into preset power usage modes. What to do when the battery runs low When the battery runs low you can: Plug the computer into an external power source and recharge the battery. Put the computer in Hibernate mode and replace the battery with a charged spare. Save your work and turn off the computer. If you do not manage to do any of these things before the battery completely runs out of power, the computer automatically enters Hibernate mode and turns itself off. Hibernate mode keeps track of where you were so, when you turn on the power again, you can continue where you left off. The computer stores the information on what you were doing until the battery runs out of power. If you have Hibernate mode enabled (the default), the computer copies the details of Mobile Computing Monitoring battery power 113 your open programs and files to the hard disk before shutting down. Setting battery alarms Your computer can be configured to warn you when the battery is running low. Each alarm can be set to alert you when a specified percentage of remaining battery power haw been reached. You can set how the warning occurs: sound an alarm, display a message, both, or none. You can also set the computer to enter Standby mode or Hibernate mode or to completely power down when the alarm goes off. To set an alarm: 1 2 3 Click Start, Control Panel, then Performance and Maintenance. Click the Toshiba Power Management icon. Click the Alarm tab and set the alarm, as desired. Sample Toshiba Power Management Alarm tab 114 Mobile Computing Changing the main battery Changing the main battery When your battery power is running low, you have two options--connect the computer to an AC power source or install a charged battery. When handling a battery, be careful not to drop it or shortcircuit its terminals. Also, do not drop, hit or otherwise impact the battery. Do not scratch or break the casing and do not twist or bend the battery pack. Do not remove the battery pack while the computer is in Standby mode. Data in memory will be lost. NOTE If your battery discharges fully, your information will be lost. Be sure to save your work often. Removing the battery from the computer 1 2 Save your work. [. . . ] telephone systems and direct-connect modems. The RJ-11 connector is a 6-wire connector. RJ-45 -- A connector used to attach computers to LANS (local area networks) and to link ISDN (Integrated Services Digital Network) devices to NT-1 (Network Terminator devices). Also called. 208 Glossary ROM (read-only memory) -- Non-volatile memory that can be read but not written to. [. . . ]