Laptop User Manual

Learning the Basics

Using the keyboard

Overlay keys

This section applies to the C640 series.

The keys with gray numbers and symbols on the front of them form

the numeric and cursor overlay. This overlay lets you enter numeric

data or control the cursor as you would using the 10-key keypad on

a desktop computer’s keyboard.

(Sample Illustration) Numeric and cursor control overlay

Using the overlay to type numeric data

This section applies to the C640 series.

The keys with the numbers on their right front are the numeric

overlay keys.

To turn the numeric overlay on, press

Fn and F11 simultaneously.

The numeric overlay light glows when the numeric overlay is on.

To disable the numeric overlay, hold down the

Fn key and press F11

again. The numeric overlay light goes out.

NOTE