This article describes the programmable function key operation for iBook and the PowerBook (FireWire).

To set up a programmable function key, open the Keyboard control panel under the Apple menu. Or, if the keys have not been programmed yet, simply pressing one of them brings up a dialog box that leads you to the Keyboard control panel. Apple has preprogrammed F1 through F6 with such common control functions as screen brightness, speaker volume, and so on. F7 through F12 can be programmed for your personal choices.

To help you identify what the function keys were programmed to do, Apple includes with iBook a variety of durable stickers with preselected icons. Once the keys are programmed, you can select the stickers that will best remind you of the assigned functions.

Note: The stickers should not be placed on the keycap itself, rather above them on the iBook case. To remove the sticker, use a fingernail or other non-abrasive tool to remove them and avoid scratching the plastics.

The function keys F1 through F12 can be easily reset to have primary functionality. Simply open the Keyboard control panel and select Options. Then check the box that says Use F1 through F12 as Function keys.