Lenovo ThinkPad 560 Thinkpad 560 User's Guide - Page 84

Decreasing LCD Brightness, Using the Battery Power-Management Function, Using Power Management

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Using Power Management Decreasing LCD Brightness Adjust the brightness control ( ) on the LCD to the lowest level possible that allows you to comfortably view the screen. This is an effective way of conserving battery power. Using the Battery Power-Management Function Note: When you install an operating system, you must install the ThinkPad Features program using the Utility Diskette. To install the ThinkPad Features program: Chapter 7. Your computer has the following built-in battery power-saving functions to save power when you use the battery pack or the AC Adapter: Operation modes. The operation modes control the processor speed or set timers for saving power. For more information about the operation modes, see 2 on page 31. Power-saving modes. The power-saving modes stop all tasks when the computer is not used for a specified time. When resuming normal operation from one of the modes, use the resume function to return to where you were when you entered that mode. Because the operating system is already loaded, the resume function is faster than turning the power on. The following are the three power-saving modes: Standby mode. You can enter standby mode for short idle times, such as when you are having a short conversation. Suspend mode. You can enter suspend mode for somewhat longer times when you are away from your computer. Hibernation mode. You can enter hibernation mode when you leave your office for the day. It takes more time to return to normal operation from suspend mode than to return from standby mode, but the computer does not use as much power. 66 IBM ThinkPad 560 User's Guide

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Using Power Management
Decreasing LCD Brightness
Adjust the brightness control (
) on the LCD to the lowest level
possible that allows you to comfortably view the screen.
This is an
effective way of conserving battery power.
Using the Battery Power-Management Function
To install the ThinkPad Features
program:
Chapter 7.
Note:
When you install an operating
system, you must install the
ThinkPad Features program using
the Utility Diskette.
Your computer has the following built-in battery power-saving
functions to save power when you use the battery pack or the AC
Adapter:
Operation modes.
The operation modes control the processor
speed or set timers for saving power.
For more information
about the operation modes, see
2
on page 31.
Power-saving modes.
The power-saving modes stop all tasks
when the computer is not used for a specified time.
When resuming normal operation from one of the modes, use
the
resume function
to return to where you were when you
entered that mode.
Because the operating system is already
loaded, the resume function is faster than turning the power on.
The following are the three power-saving modes:
Standby mode.
You can enter standby mode for short idle
times, such as when you are having a short conversation.
Suspend mode.
You can enter suspend mode for somewhat
longer times when you are away from your computer.
Hibernation mode.
You can enter hibernation mode when you
leave your office for the day.
It takes more time to return to normal operation from suspend mode
than to return from standby mode, but the computer does not use as
much power.
66
IBM ThinkPad 560 User's Guide