Sony PCG-F640 manual Indicator, Combinations and Functions with the Fn Key, Light

VAIO Notebook User Guide

Indicator (continued)

Light On Off

Num Lock	The number keys in the
	numeric keypad are active.

The alphanumeric character keys in the keypad area are active.

Caps Lock	The letters appear in uppercase	Letters appear in lower
	as you type. The Shift key	case as you type (unless
	lowers the case of typed letters	you hold down the Shift
	when Caps Lock is on.	key).
Scroll Lock	The screen scrolls differently.	Information moves
	(Exactly how it scrolls depends	across the display
	on the specific application. It	normally.
	has no effect in many
	applications.)

Combinations and Functions with the Fn Key

Combinations/ Feature

Fn+ (ESC) System Suspend

Fn+ (F2) Display power source status

Fn+ (F3) Mute On/Off

Fn+ (F4) Speaker volume

Fn+ (F5) Brightness control

Fn+ (F6) Contrast control

Function

Puts the system into System Suspend mode, a power- management state. To return the system to the active state, press any key or press the power button on your computer.

Displays the power source status, as in the example below:

Using AC	Charging a
power	battery pack
Toggles the built-in speaker off and on.
Adjusts the built-in speaker volume.		➜ or ➜ .
To increase volume, press Fn+F4, then
To decrease volume, press Fn+F4, then		➜	or ➜.
Adjusts the brightness of the LCD.				➜ or ➜ .
To increase light intensity, press Fn+F5 and then
To decrease light intensity, press Fn+F5 and then					➜	or	➜.

Adjust the screen contrast.

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