Display Power Management in IGEL OS 12

This article shows how to configure energy-saving stages for the display in IGEL OS.

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 screen 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

If a device is switched on but not used for some time, energy can also 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.

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.