Carvin S400 manual Brings up the ECO menu as shown below

Button Description

Brings up the ECO menu as shown below:

ECO Menu

Off

Quick Mode

Power Saving

Work Mode

Select a mode before the ECO menu disappears. You can select a mode by pressing the arrow key. Whenever you press the ECO button, the setting always defaults to Off. The ECO mode will return to the default Off setting when AC power is connected, any power related setting is changed, the computer resumes from Sleep/Hibernation mode, or the computer is restarted.

Each ECO mode (Quick, Power Saving, or Work) is a combination of power settings that results in different power consumptions. (For information on configuring the ECO modes, see “ECO Tab” in Chapter 6.)

NOTE: The button works only when using battery power.

Toggles the sunlight-readable mode on or off.

In sunlight-readable mode, the LCD brightness is increased to the highest level. The mode automatically ends when the brightness setting is changed, the computer resumes from Sleep/Hibernation mode, or the computer is restarted.

Operating Your Computer 2-15