Operating the OmniBook Checking the Status of the OmniBook Drive Status Icons. Keyboard Status Icons 2-15 Indicator Meaning Hard disk drive or plug-in drive. The OmniBook is accessing the hard disk drive or one of the plug-in accessory drives. Floppy disk drive. The OmniBook is accessing the floppy disk drive. PC Card. There is activity between the PC Card and the computer. Indicator Meaning Caps Lock. Caps Lock is active. Num Lock. Num Lock is active (Fn + F9). Keypad Lock. The built-in embedded keypad is active (Fn + F8). Num Lock must also be on for the numeric keys. Otherwise, cursor keys are active. Scroll Lock. Scroll Lock is active (Fn + F10).