Sony PCG-GRT290ZP Manual

The following information shows where the special buttons are located, and briefly describes their functionality. 

1 

Volume Down. The Volume Up and Down buttons control the audio output on your computer. 

2 

Volume Up. The Volume Up and Down buttons control the audio output on your computer. 

3 

Magnify. The Magnify button, located next to the computer's brightness button, works as a screen resolution

toggle button. By pressing it, you can alternate between different screen resolutions. 

4 

Brightness. The Brightness button, located between the Magnify and Power buttons, toggles brightness levels for

the computer's LCD screen. 

5 

Power. The Power button turns your computer on or off.