Lenovo ThinkPad 380ED ThinkPad 380 and 380D User's Guide - Page 83

Decreasing LCD Brightness (TFT Model Only), Using the Battery Power-Management Function

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Using Power Management Decreasing LCD Brightness (TFT Model Only) 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 30. 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. Chapter 4. Using Battery Power 63

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Using Power Management
Decreasing LCD Brightness (TFT Model Only)
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 30.
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.
Chapter 4.
Using Battery Power
63