Lenovo PC 300GL Using your Personal Computer - PC300GL - 6561, 6591 - Page 67

Power Management, Power Management Features

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Power Management Your computer comes with built-in energy-saving capabilities. You can view and change energy-saving settings using the Power Management menu in the Configuration/Setup Utility Program. This section describes the Power Management features in your computer and provides instructions for using these features. Attention: If a device, such as a monitor, does not have power-management capabilities, it can be damaged when exposed to a reduced-power state. Before you make energy-saving selections for your monitor, check the documentation that comes with your monitor to see if it supports Display Power Management Signaling (DPMS). Power Management Features With Power Management, the computer and monitor (if the monitor supports DPMS) can be set to go into a reduced-power state if they are inactive for a specified length of time. Time to Low Power: With this option, you can specify the amount of time that the computer must be inactive before Power Management options begin to take affect. You can select from 5 minutes to 1 hour. System Power: With this option, you can select On if you want the computer to remain on, or Off if you want the computer to shut down. Display: With this option, you can select one of the following reduced-power states: - Standby: In this mode, the screen is blanked, but the screen image is restored immediately when any activity is detected. - Suspend: In this mode, the monitor uses less power than in Standby mode. The screen is blanked, but the screen image is restored within a few seconds after any activity is detected. - OFF: In this mode, the monitor power is turned off. To restore power to the monitor, you must press the monitor power switch. On some monitors, you might have to press the power switch twice. If OFF is selected, you must specify the Time to Display 'off'. You can select 5 minutes to 1 hour. Note: Time to display off is the amount of time after the reduced-power state before the display enters the off state. Chapter 4. Configuring Your Computer 53

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Power Management
Your computer comes with built-in energy-saving capabilities.
You can view and
change energy-saving settings using the Power Management menu in the
Configuration/Setup Utility Program.
This section describes the Power
Management features in your computer and provides instructions for using these
features.
Attention:
If a device, such as a monitor, does not have power-management
capabilities, it can be damaged when exposed to a reduced-power state.
Before you
make energy-saving selections for your monitor, check the documentation that
comes with your monitor to see if it supports Display Power Management Signaling
(DPMS).
Power Management Features
With Power Management, the computer and monitor (if the monitor supports
DPMS) can be set to go into a reduced-power state if they are inactive for a
specified length of time.
±
Time to Low Power:
With this option, you can specify the amount of time that
the computer must be inactive before Power Management options begin to take
affect.
You can select from 5 minutes to 1 hour.
±
System Power:
With this option, you can select
On
if you want the computer
to remain on, or
Off
if you want the computer to shut down.
±
Display:
With this option, you can select one of the following reduced-power
states:
–
Standby:
In this mode, the screen is blanked, but the screen image is
restored
immediately
when any activity is detected.
–
Suspend:
In this mode, the monitor uses less power than in Standby mode.
The screen is blanked, but the screen image is restored
within a few seconds
after any activity is detected.
–
OFF:
In this mode, the monitor power is turned off.
To restore power to
the monitor, you must press the monitor power switch.
On some monitors,
you might have to press the power switch twice.
If
OFF
is selected, you must specify the
Time to Display 'off'
.
You can
select 5 minutes to 1 hour.
Note:
Time to display off is the amount of time after the reduced-power
state before the display enters the off state.
Chapter
4.
Configuring Your Computer
53