Acer X221W Technical Information download pdf (Page 30)

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LED Definition

The system equips one dual color (blue/amber) led to indict system status and defined as

bellows:

LOGO:

When the monitor is power on, the LOGO will be showed in the center, and disappear slowly.

HOW TO OPTIMIZE THE DOS-MODE

Plug and play

Plug & play DDC2B feature

This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the

monitor to inform the host system of its identity and, depending on the level of DDC used, communicate

additional information about its display capabilities. The communication channel is defined in two levels, DDC2B.

The DDC2B is a bi-directional data channel based on the I

C protocol. The host can request EDID information

over the DDC2B channel.

System in power-off mode Dark

System in power-saving mode

Amber

System in normal operation mode Blue

System Status LED Color

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Acer X221W Technical Information Page 30