(12.4.2-en) Display Power Management in IGEL OS 12
- Harald Saller
- Emese Pogany
This article shows how to configure energy-saving stages for the display in IGEL OS.
Changing the default settings may result in higher power consumption and shorter battery runtime.
Menu path: System > Power Options > Display > Power Management / Brightness Reduction
Power Management
Handle display power management
☑ The DPMS energy saving functions are enabled. (Default)
The display must support Display Power Management Signaling (DPMS).
On Battery / Plugged In
You can select time frames after which energy-saving modes get activated. The time frames are configured separately for On Battery and Plugged In use of the device. When Never is selected, the energy-saving mode is disabled.
The following energy-saving modes can be configured:
Standby Time
After this time frame the device goes to standby mode.Suspend Time
After this time frame the device goes to sleep mode.Off Time
After this time frame the device turns off.
Brightness Reduction
These settings are relevant for mobile devices resp. for devices with integrated display.
If a device is switched on but not used for some time, energy can be saved by brightness reduction. The values of the reduction are configured separately for On Battery and Plugged In use of the device.
On Battery / Plugged In
On inactivity reduce to
The percent value to which the brightness is reduced after a period of inactivity.
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Reduce after
The period of inactivity after which brightness is reduced. You can set the period between 10-120 seconds. Setting the value to 9 deactivates the reduction.