Acer Aspire Z1620 Acer Aspire Z1620 Desktop Service Guide - Page 24

Using the Keyboard The keyboard is powered by one AAA battery. If battery power is low, the icon (Figure 1-6) will illuminate. Figure 1-6. Keyboard The keyboard has three lock keys which can be toggled on and off. (Table 1-6) Table 1-6. Keyboard Lock Keys Lock key Description Caps Lock When Caps Lock is on, all alphabetic characters typed are in uppercase. Num Lock When Num Lock is on, the embedded keypad is in numeric mode. The keys function as a calculator (complete with the arithmetic operators +, -, *, and /). Use this mode when doing a lot of numeric data entry. Scroll Lock When Scroll Lock is on, the screen moves one line up or down when the up or down arrow keys are pressed respectively. Scroll Lock does not work with some applications. The keyboard also contains a numeric keypad which can be toggled on and off by enabling or disabling the Num Lock key. Table 1-7 shows function with Num Lock key on and off. Table 1-7. Numeric Keypad Desired function Num Lock on Number keys on numeric Type numbers in a normal keypad manner. Num Lock off Navigate the screen by using Home, PgUp, PgDn, End, Ins, Del and arrow keys. 14